[INFO] fetching crate etcommon-bigint 0.2.10...
[INFO] testing etcommon-bigint-0.2.10 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate etcommon-bigint 0.2.10 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate etcommon-bigint 0.2.10
[INFO] finished tweaking crates.io crate etcommon-bigint 0.2.10
[INFO] tweaked toml for crates.io crate etcommon-bigint 0.2.10 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate etcommon-bigint 0.2.10 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3653e39ae60798d988aeffa813fd88ad1087f95036f53308b01d1ef1f4500765
[INFO] running `Command { std: "docker" "start" "-a" "3653e39ae60798d988aeffa813fd88ad1087f95036f53308b01d1ef1f4500765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3653e39ae60798d988aeffa813fd88ad1087f95036f53308b01d1ef1f4500765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3653e39ae60798d988aeffa813fd88ad1087f95036f53308b01d1ef1f4500765", kill_on_drop: false }`
[INFO] [stdout] 3653e39ae60798d988aeffa813fd88ad1087f95036f53308b01d1ef1f4500765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90764d877c8fd5998ae1bc2e453e9b25449012dba7e0c3f212aa1daec4d1b60a
[INFO] running `Command { std: "docker" "start" "-a" "90764d877c8fd5998ae1bc2e453e9b25449012dba7e0c3f212aa1daec4d1b60a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling etcommon-hexutil v0.2.4
[INFO] [stderr]    Compiling elastic-array-plus v0.10.0
[INFO] [stderr]    Compiling etcommon-rlp v0.2.5
[INFO] [stderr]    Compiling etcommon-bigint v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(asm_available, feature(asm))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]   --> src/uint/mod.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]   --> src/uint/mod.rs:98:11
[INFO] [stdout]    |
[INFO] [stdout] 98 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:202:11
[INFO] [stdout]     |
[INFO] [stdout] 202 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:276:11
[INFO] [stdout]     |
[INFO] [stdout] 276 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:396:15
[INFO] [stdout]     |
[INFO] [stdout] 396 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]     --> src/uint/mod.rs:1210:15
[INFO] [stdout]      |
[INFO] [stdout] 1210 |     #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]      |               ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]     --> src/uint/mod.rs:1349:19
[INFO] [stdout]      |
[INFO] [stdout] 1349 |     #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 483 | impl_hash!(H32, 4);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 484 | impl_hash!(H64, 8);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 | impl_hash!(H128, 16);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 486 | impl_hash!(H160, 20);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 487 | impl_hash!(H256, 32);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | impl_hash!(H264, 33);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 489 | impl_hash!(H512, 64);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 490 | impl_hash!(H520, 65);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 491 | impl_hash!(H1024, 128);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 492 | impl_hash!(H2048, 256);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlainHasher` is never constructed
[INFO] [stdout]    --> src/hash/mod.rs:500:12
[INFO] [stdout]     |
[INFO] [stdout] 500 | pub struct PlainHasher {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H256FastMap` is never used
[INFO] [stdout]    --> src/hash/mod.rs:541:10
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H256FastSet` is never used
[INFO] [stdout]    --> src/hash/mod.rs:544:10
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:483:1
[INFO] [stdout]     |
[INFO] [stdout] 483 | impl_hash!(H32, 4);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:29
[INFO] [stdout]     |
[INFO] [stdout]   2 |         unused_comparisons, unused_must_use,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 483 | let _ = impl_hash!(H32, 4);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:484:1
[INFO] [stdout]     |
[INFO] [stdout] 484 | impl_hash!(H64, 8);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 484 | let _ = impl_hash!(H64, 8);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl_hash!(H128, 16);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 | let _ = impl_hash!(H128, 16);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:486:1
[INFO] [stdout]     |
[INFO] [stdout] 486 | impl_hash!(H160, 20);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 486 | let _ = impl_hash!(H160, 20);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:487:1
[INFO] [stdout]     |
[INFO] [stdout] 487 | impl_hash!(H256, 32);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 487 | let _ = impl_hash!(H256, 32);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:488:1
[INFO] [stdout]     |
[INFO] [stdout] 488 | impl_hash!(H264, 33);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 488 | let _ = impl_hash!(H264, 33);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:489:1
[INFO] [stdout]     |
[INFO] [stdout] 489 | impl_hash!(H512, 64);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 | let _ = impl_hash!(H512, 64);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:490:1
[INFO] [stdout]     |
[INFO] [stdout] 490 | impl_hash!(H520, 65);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 490 | let _ = impl_hash!(H520, 65);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:491:1
[INFO] [stdout]     |
[INFO] [stdout] 491 | impl_hash!(H1024, 128);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 491 | let _ = impl_hash!(H1024, 128);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:492:1
[INFO] [stdout]     |
[INFO] [stdout] 492 | impl_hash!(H2048, 256);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 | let _ = impl_hash!(H2048, 256);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/hash/mod.rs:524:18
[INFO] [stdout]     |
[INFO] [stdout] 524 |         unsafe { mem::transmute(self.prefix) }
[INFO] [stdout]     |                  --------------^^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "90764d877c8fd5998ae1bc2e453e9b25449012dba7e0c3f212aa1daec4d1b60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90764d877c8fd5998ae1bc2e453e9b25449012dba7e0c3f212aa1daec4d1b60a", kill_on_drop: false }`
[INFO] [stdout] 90764d877c8fd5998ae1bc2e453e9b25449012dba7e0c3f212aa1daec4d1b60a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17fc6b5d65f17dcef0df28f79616dc2fa83f30670283a804d6f11f2c287c2b2c
[INFO] running `Command { std: "docker" "start" "-a" "17fc6b5d65f17dcef0df28f79616dc2fa83f30670283a804d6f11f2c287c2b2c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(asm_available, feature(asm))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]   --> src/uint/mod.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]   --> src/uint/mod.rs:98:11
[INFO] [stdout]    |
[INFO] [stdout] 98 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:202:11
[INFO] [stdout]     |
[INFO] [stdout] 202 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:276:11
[INFO] [stdout]     |
[INFO] [stdout] 276 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:396:15
[INFO] [stdout]     |
[INFO] [stdout] 396 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]     --> src/uint/mod.rs:1210:15
[INFO] [stdout]      |
[INFO] [stdout] 1210 |     #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]      |               ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]     --> src/uint/mod.rs:1349:19
[INFO] [stdout]      |
[INFO] [stdout] 1349 |     #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 483 | impl_hash!(H32, 4);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 484 | impl_hash!(H64, 8);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 | impl_hash!(H128, 16);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 486 | impl_hash!(H160, 20);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 487 | impl_hash!(H256, 32);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | impl_hash!(H264, 33);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 489 | impl_hash!(H512, 64);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 490 | impl_hash!(H520, 65);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 491 | impl_hash!(H1024, 128);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 492 | impl_hash!(H2048, 256);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlainHasher` is never constructed
[INFO] [stdout]    --> src/hash/mod.rs:500:12
[INFO] [stdout]     |
[INFO] [stdout] 500 | pub struct PlainHasher {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H256FastMap` is never used
[INFO] [stdout]    --> src/hash/mod.rs:541:10
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H256FastSet` is never used
[INFO] [stdout]    --> src/hash/mod.rs:544:10
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:483:1
[INFO] [stdout]     |
[INFO] [stdout] 483 | impl_hash!(H32, 4);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:29
[INFO] [stdout]     |
[INFO] [stdout]   2 |         unused_comparisons, unused_must_use,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 483 | let _ = impl_hash!(H32, 4);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:484:1
[INFO] [stdout]     |
[INFO] [stdout] 484 | impl_hash!(H64, 8);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 484 | let _ = impl_hash!(H64, 8);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl_hash!(H128, 16);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 | let _ = impl_hash!(H128, 16);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:486:1
[INFO] [stdout]     |
[INFO] [stdout] 486 | impl_hash!(H160, 20);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 486 | let _ = impl_hash!(H160, 20);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:487:1
[INFO] [stdout]     |
[INFO] [stdout] 487 | impl_hash!(H256, 32);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 487 | let _ = impl_hash!(H256, 32);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:488:1
[INFO] [stdout]     |
[INFO] [stdout] 488 | impl_hash!(H264, 33);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 488 | let _ = impl_hash!(H264, 33);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:489:1
[INFO] [stdout]     |
[INFO] [stdout] 489 | impl_hash!(H512, 64);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 | let _ = impl_hash!(H512, 64);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling etcommon-bigint v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:490:1
[INFO] [stdout]     |
[INFO] [stdout] 490 | impl_hash!(H520, 65);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 490 | let _ = impl_hash!(H520, 65);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:491:1
[INFO] [stdout]     |
[INFO] [stdout] 491 | impl_hash!(H1024, 128);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 491 | let _ = impl_hash!(H1024, 128);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:492:1
[INFO] [stdout]     |
[INFO] [stdout] 492 | impl_hash!(H2048, 256);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 | let _ = impl_hash!(H2048, 256);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/hash/mod.rs:524:18
[INFO] [stdout]     |
[INFO] [stdout] 524 |         unsafe { mem::transmute(self.prefix) }
[INFO] [stdout]     |                  --------------^^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(asm_available, feature(asm))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]   --> src/uint/mod.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]   --> src/uint/mod.rs:98:11
[INFO] [stdout]    |
[INFO] [stdout] 98 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:202:11
[INFO] [stdout]     |
[INFO] [stdout] 202 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:276:11
[INFO] [stdout]     |
[INFO] [stdout] 276 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]    --> src/uint/mod.rs:396:15
[INFO] [stdout]     |
[INFO] [stdout] 396 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[INFO] [stdout]      | ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]     --> src/uint/mod.rs:1210:15
[INFO] [stdout]      |
[INFO] [stdout] 1210 |     #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stdout]      |               ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stdout]     --> src/uint/mod.rs:1349:19
[INFO] [stdout]      |
[INFO] [stdout] 1349 |     #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/uint/tests.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 | #[cfg_attr(feature = "dev", allow(eq_op))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/uint/tests.rs:939:12
[INFO] [stdout]     |
[INFO] [stdout] 939 | #[cfg_attr(feature = "dev", allow(cyclomatic_complexity))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 483 | impl_hash!(H32, 4);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 484 | impl_hash!(H64, 8);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 | impl_hash!(H128, 16);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 486 | impl_hash!(H160, 20);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 487 | impl_hash!(H256, 32);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | impl_hash!(H264, 33);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 489 | impl_hash!(H512, 64);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 490 | impl_hash!(H520, 65);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 491 | impl_hash!(H1024, 128);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 492 | impl_hash!(H2048, 256);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `dev`
[INFO] [stdout]    --> src/hash/mod.rs:558:16
[INFO] [stdout]     |
[INFO] [stdout] 558 |     #[cfg_attr(feature="dev", allow(eq_op))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stdout]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H256FastMap` is never used
[INFO] [stdout]    --> src/hash/mod.rs:541:10
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H256FastSet` is never used
[INFO] [stdout]    --> src/hash/mod.rs:544:10
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:483:1
[INFO] [stdout]     |
[INFO] [stdout] 483 | impl_hash!(H32, 4);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:29
[INFO] [stdout]     |
[INFO] [stdout]   2 |         unused_comparisons, unused_must_use,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 483 | let _ = impl_hash!(H32, 4);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:484:1
[INFO] [stdout]     |
[INFO] [stdout] 484 | impl_hash!(H64, 8);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 484 | let _ = impl_hash!(H64, 8);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl_hash!(H128, 16);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 | let _ = impl_hash!(H128, 16);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:486:1
[INFO] [stdout]     |
[INFO] [stdout] 486 | impl_hash!(H160, 20);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 486 | let _ = impl_hash!(H160, 20);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:487:1
[INFO] [stdout]     |
[INFO] [stdout] 487 | impl_hash!(H256, 32);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 487 | let _ = impl_hash!(H256, 32);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:488:1
[INFO] [stdout]     |
[INFO] [stdout] 488 | impl_hash!(H264, 33);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 488 | let _ = impl_hash!(H264, 33);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:489:1
[INFO] [stdout]     |
[INFO] [stdout] 489 | impl_hash!(H512, 64);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 | let _ = impl_hash!(H512, 64);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:490:1
[INFO] [stdout]     |
[INFO] [stdout] 490 | impl_hash!(H520, 65);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 490 | let _ = impl_hash!(H520, 65);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:491:1
[INFO] [stdout]     |
[INFO] [stdout] 491 | impl_hash!(H1024, 128);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 491 | let _ = impl_hash!(H1024, 128);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/hash/mod.rs:492:1
[INFO] [stdout]     |
[INFO] [stdout] 492 | impl_hash!(H2048, 256);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 | let _ = impl_hash!(H2048, 256);
[INFO] [stdout]     | +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/hash/mod.rs:524:18
[INFO] [stdout]     |
[INFO] [stdout] 524 |         unsafe { mem::transmute(self.prefix) }
[INFO] [stdout]     |                  --------------^^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "17fc6b5d65f17dcef0df28f79616dc2fa83f30670283a804d6f11f2c287c2b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fc6b5d65f17dcef0df28f79616dc2fa83f30670283a804d6f11f2c287c2b2c", kill_on_drop: false }`
[INFO] [stdout] 17fc6b5d65f17dcef0df28f79616dc2fa83f30670283a804d6f11f2c287c2b2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53c709094c48f41ae8d73fd26d947963c8c817bf96542599c27d55cc26971964
[INFO] running `Command { std: "docker" "start" "-a" "53c709094c48f41ae8d73fd26d947963c8c817bf96542599c27d55cc26971964", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]  --> src/lib.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(asm_available, feature(asm))]
[INFO] [stderr]   |             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]   --> src/uint/mod.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]   --> src/uint/mod.rs:98:11
[INFO] [stderr]    |
[INFO] [stderr] 98 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]    --> src/uint/mod.rs:174:15
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stderr]     |               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]    --> src/uint/mod.rs:202:11
[INFO] [stderr]     |
[INFO] [stderr] 202 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stderr]     |           ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]    --> src/uint/mod.rs:276:11
[INFO] [stderr]     |
[INFO] [stderr] 276 | #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stderr]     |           ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]    --> src/uint/mod.rs:396:15
[INFO] [stderr]     |
[INFO] [stderr] 396 | #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stderr]     |               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1183 | construct_uint!(U512, 8);
[INFO] [stderr]      | ------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1183 | construct_uint!(U512, 8);
[INFO] [stderr]      | ------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1184 | construct_uint!(U256, 4);
[INFO] [stderr]      | ------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1184 | construct_uint!(U256, 4);
[INFO] [stderr]      | ------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1185 | construct_uint!(U128, 2);
[INFO] [stderr]      | ------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1185 | construct_uint!(U128, 2);
[INFO] [stderr]      | ------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]     --> src/uint/mod.rs:1210:15
[INFO] [stderr]      |
[INFO] [stderr] 1210 |     #[cfg(all(asm_available, target_arch="x86_64"))]
[INFO] [stderr]      |               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `asm_available`
[INFO] [stderr]     --> src/uint/mod.rs:1349:19
[INFO] [stderr]      |
[INFO] [stderr] 1349 |     #[cfg(not(all(asm_available, target_arch="x86_64")))]
[INFO] [stderr]      |                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(asm_available)'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(asm_available)");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 483 | impl_hash!(H32, 4);
[INFO] [stderr]     | ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 484 | impl_hash!(H64, 8);
[INFO] [stderr]     | ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 485 | impl_hash!(H128, 16);
[INFO] [stderr]     | -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 486 | impl_hash!(H160, 20);
[INFO] [stderr]     | -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 487 | impl_hash!(H256, 32);
[INFO] [stderr]     | -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 488 | impl_hash!(H264, 33);
[INFO] [stderr]     | -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 489 | impl_hash!(H512, 64);
[INFO] [stderr]     | -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 490 | impl_hash!(H520, 65);
[INFO] [stderr]     | -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 491 | impl_hash!(H1024, 128);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         #[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 492 | impl_hash!(H2048, 256);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `impl_hash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PlainHasher` is never constructed
[INFO] [stderr]    --> src/hash/mod.rs:500:12
[INFO] [stderr]     |
[INFO] [stderr] 500 | pub struct PlainHasher {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `H256FastMap` is never used
[INFO] [stderr]    --> src/hash/mod.rs:541:10
[INFO] [stderr]     |
[INFO] [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `H256FastSet` is never used
[INFO] [stderr]    --> src/hash/mod.rs:544:10
[INFO] [stderr]     |
[INFO] [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:483:1
[INFO] [stderr]     |
[INFO] [stderr] 483 | impl_hash!(H32, 4);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:29
[INFO] [stderr]     |
[INFO] [stderr]   2 |         unused_comparisons, unused_must_use,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 483 | let _ = impl_hash!(H32, 4);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:484:1
[INFO] [stderr]     |
[INFO] [stderr] 484 | impl_hash!(H64, 8);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 484 | let _ = impl_hash!(H64, 8);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:485:1
[INFO] [stderr]     |
[INFO] [stderr] 485 | impl_hash!(H128, 16);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 485 | let _ = impl_hash!(H128, 16);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:486:1
[INFO] [stderr]     |
[INFO] [stderr] 486 | impl_hash!(H160, 20);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 486 | let _ = impl_hash!(H160, 20);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:487:1
[INFO] [stderr]     |
[INFO] [stderr] 487 | impl_hash!(H256, 32);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 487 | let _ = impl_hash!(H256, 32);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:488:1
[INFO] [stderr]     |
[INFO] [stderr] 488 | impl_hash!(H264, 33);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 488 | let _ = impl_hash!(H264, 33);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:489:1
[INFO] [stderr]     |
[INFO] [stderr] 489 | impl_hash!(H512, 64);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 489 | let _ = impl_hash!(H512, 64);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:490:1
[INFO] [stderr]     |
[INFO] [stderr] 490 | impl_hash!(H520, 65);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 490 | let _ = impl_hash!(H520, 65);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:491:1
[INFO] [stderr]     |
[INFO] [stderr] 491 | impl_hash!(H1024, 128);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 491 | let _ = impl_hash!(H1024, 128);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `finish` that must be used
[INFO] [stderr]    --> src/hash/mod.rs:492:1
[INFO] [stderr]     |
[INFO] [stderr] 492 | impl_hash!(H2048, 256);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 492 | let _ = impl_hash!(H2048, 256);
[INFO] [stderr]     | +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/hash/mod.rs:524:18
[INFO] [stderr]     |
[INFO] [stderr] 524 |         unsafe { mem::transmute(self.prefix) }
[INFO] [stderr]     |                  --------------^^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/uint/tests.rs:185:12
[INFO] [stderr]     |
[INFO] [stderr] 185 | #[cfg_attr(feature = "dev", allow(eq_op))]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/uint/tests.rs:939:12
[INFO] [stderr]     |
[INFO] [stderr] 939 | #[cfg_attr(feature = "dev", allow(cyclomatic_complexity))]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `dev`
[INFO] [stderr]    --> src/hash/mod.rs:558:16
[INFO] [stderr]     |
[INFO] [stderr] 558 |     #[cfg_attr(feature="dev", allow(eq_op))]
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `etcommon-hexutil`, `etcommon-rlp`, `heapsize`, `heapsizeof`, `libc`, `rand`, `rlp`, `rust_arithmetic`, `std`, `string`, and `x64asm_arithmetic`
[INFO] [stderr]     = help: consider adding `dev` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `H256FastMap` is never used
[INFO] [stderr]    --> src/hash/mod.rs:541:10
[INFO] [stderr]     |
[INFO] [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `etcommon-bigint` (lib) generated 39 warnings (run `cargo fix --lib -p etcommon-bigint` to apply 1 suggestion)
[INFO] [stderr] warning: `etcommon-bigint` (lib test) generated 41 warnings (37 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bigint-fc08254d3cc23033)
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test hash::tests::from_and_to_address ... ok
[INFO] [stdout] test hash::tests::from_and_to_u256 ... ok
[INFO] [stdout] test hash::tests::from_and_to_u64 ... ok
[INFO] [stdout] test hash::tests::from_str ... ok
[INFO] [stdout] test hash::tests::from_u64 ... ok
[INFO] [stdout] test hash::tests::hash ... ok
[INFO] [stdout] test hash::tests::hash_bitor ... ok
[INFO] [stdout] test uint::tests::display_uint_zero ... ok
[INFO] [stdout] test mi256::tests::sdiv ... ok
[INFO] [stdout] test m256::tests::sub ... ok
[INFO] [stdout] test mi256::tests::m256 ... ok
[INFO] [stdout] test uint::tests::big_endian ... ok
[INFO] [stdout] test uint::tests::u256_mul ... ok
[INFO] [stdout] test hash::tests::hasher_alignment ... ok
[INFO] [stdout] test uint::tests::display_uint ... ok
[INFO] [stdout] test uint::tests::little_endian ... ok
[INFO] [stdout] test uint::tests::u256_multi_adds ... ok
[INFO] [stdout] test uint::tests::u256_multi_muls ... ok
[INFO] [stdout] test uint::tests::u256_multi_carry_all ... ok
[INFO] [stdout] test uint::tests::u256_multi_full_mul ... ok
[INFO] [stdout] test uint::tests::u256_multi_muls_overflow ... ok
[INFO] [stdout] test uint::tests::u256_multi_subs ... ok
[INFO] [stdout] test uint::tests::uint128_add_overflow_panic ... ignored
[INFO] [stdout] test uint::tests::u256_multi_muls2 ... ok
[INFO] [stdout] test uint::tests::u512_multi_adds ... ok
[INFO] [stdout] test uint::tests::uint128_add ... ok
[INFO] [stdout] test uint::tests::u512_multi_subs ... ok
[INFO] [stdout] test uint::tests::uint128_add_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_arithmetic_test ... ok
[INFO] [stdout] test uint::tests::uint256_bits_test ... ok
[INFO] [stdout] test uint::tests::uint256_comp_test ... ok
[INFO] [stdout] test uint::tests::uint256_div ... ok
[INFO] [stdout] test uint::tests::uint256_extreme_bitshift_test ... ok
[INFO] [stdout] test uint::tests::uint256_from ... ok
[INFO] [stdout] test uint::tests::uint256_mul ... ok
[INFO] [stdout] test uint::tests::uint256_mul1 ... ok
[INFO] [stdout] test uint::tests::uint256_mul2 ... ok
[INFO] [stdout] test uint::tests::uint256_mul32 ... ok
[INFO] [stdout] test uint::tests::uint256_mul_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_overflowing_mul ... ok
[INFO] [stdout] test uint::tests::uint256_exp10 ... ok
[INFO] [stdout] test uint::tests::uint256_overflowing_pow ... ok
[INFO] [stdout] test uint::tests::uint256_from_dec_str ... ok
[INFO] [stdout] test uint::tests::uint256_pow ... ok
[INFO] [stdout] test uint::tests::uint256_shl ... ok
[INFO] [stdout] test uint::tests::uint256_rem ... ok
[INFO] [stdout] test uint::tests::uint256_shl_words ... ok
[INFO] [stdout] test uint::tests::uint256_sub_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_to ... ok
[INFO] [stdout] test uint::tests::uint256_simple_mul ... ok
[INFO] [stdout] test uint::tests::uint512_mul ... ok
[INFO] [stdout] test uint::tests::u256_div ... ok
[INFO] [stdout] test uint::tests::uint128_mul ... ok
[INFO] [stdout] test uint::tests::example ... ok
[INFO] [stdout] test uint::tests::uint256_mul_overflow_panic - should panic ... ok
[INFO] [stdout] test uint::tests::uint256_sub_overflow_panic - should panic ... ok
[INFO] [stdout] test uint::tests::uint256_pow_overflow_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bigint
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53c709094c48f41ae8d73fd26d947963c8c817bf96542599c27d55cc26971964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c709094c48f41ae8d73fd26d947963c8c817bf96542599c27d55cc26971964", kill_on_drop: false }`
[INFO] [stdout] 53c709094c48f41ae8d73fd26d947963c8c817bf96542599c27d55cc26971964
