[INFO] fetching crate mycelium-bitfield 0.1.5...
[INFO] testing mycelium-bitfield-0.1.5 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mycelium-bitfield 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mycelium-bitfield 0.1.5
[INFO] finished tweaking crates.io crate mycelium-bitfield 0.1.5
[INFO] tweaked toml for crates.io crate mycelium-bitfield 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mycelium-bitfield 0.1.5 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 421c60cdfaa56748c1d7ae0521e145611c2efc9bc1bfe58cf8351dfbd972c29f
[INFO] running `Command { std: "docker" "start" "-a" "421c60cdfaa56748c1d7ae0521e145611c2efc9bc1bfe58cf8351dfbd972c29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "421c60cdfaa56748c1d7ae0521e145611c2efc9bc1bfe58cf8351dfbd972c29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421c60cdfaa56748c1d7ae0521e145611c2efc9bc1bfe58cf8351dfbd972c29f", kill_on_drop: false }`
[INFO] [stdout] 421c60cdfaa56748c1d7ae0521e145611c2efc9bc1bfe58cf8351dfbd972c29f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 278fd0c0afb1d6300fd3048941dc60ccb9bad2d35b56c505541376303180ddd3
[INFO] running `Command { std: "docker" "start" "-a" "278fd0c0afb1d6300fd3048941dc60ccb9bad2d35b56c505541376303180ddd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mycelium-bitfield v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `trace_macros`
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(trace_macros, feature(trace_macros))]
[INFO] [stdout]   |             ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `trace_macros`
[INFO] [stdout]   --> src/lib.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(any(test, docsrs, trace_macros))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `loom`
[INFO] [stdout]     --> src/pack.rs:1081:21
[INFO] [stdout]      |
[INFO] [stdout] 1081 | #[cfg(all(test, not(loom)))]
[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(loom)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "278fd0c0afb1d6300fd3048941dc60ccb9bad2d35b56c505541376303180ddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278fd0c0afb1d6300fd3048941dc60ccb9bad2d35b56c505541376303180ddd3", kill_on_drop: false }`
[INFO] [stdout] 278fd0c0afb1d6300fd3048941dc60ccb9bad2d35b56c505541376303180ddd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975e75ca383c3cd5b01e4992c0db76b120e93e1de0dc696ebda685529229086e
[INFO] running `Command { std: "docker" "start" "-a" "975e75ca383c3cd5b01e4992c0db76b120e93e1de0dc696ebda685529229086e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stdout] warning: unexpected `cfg` condition name: `trace_macros`
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(trace_macros, feature(trace_macros))]
[INFO] [stdout]   |             ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `trace_macros`
[INFO] [stdout]   --> src/lib.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(any(test, docsrs, trace_macros))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `loom`
[INFO] [stdout]     --> src/pack.rs:1081:21
[INFO] [stdout]      |
[INFO] [stdout] 1081 | #[cfg(all(test, not(loom)))]
[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(loom)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling mycelium-bitfield v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `trace_macros`
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(trace_macros, feature(trace_macros))]
[INFO] [stdout]   |             ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `trace_macros`
[INFO] [stdout]   --> src/lib.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(any(test, docsrs, trace_macros))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `loom`
[INFO] [stdout]     --> src/pack.rs:1081:21
[INFO] [stdout]      |
[INFO] [stdout] 1081 | #[cfg(all(test, not(loom)))]
[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(loom)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `trace_macros`
[INFO] [stdout]  --> src/example.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(trace_macros)]
[INFO] [stdout]   |       ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `trace_macros`
[INFO] [stdout]  --> src/example.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(trace_macros)]
[INFO] [stdout]   |       ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
[INFO] [stdout]    --> src/bitfield.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |           #[automatically_derived]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 | /     bitfield! {
[INFO] [stdout] 849 | |         #[allow(dead_code)]
[INFO] [stdout] 850 | |         struct TestBitfield<u32> {
[INFO] [stdout] 851 | |             const HELLO = 4;
[INFO] [stdout] ...   |
[INFO] [stdout] 859 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[automatically_derived]` can only be applied to trait impl blocks
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitfield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
[INFO] [stdout]    --> src/bitfield.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |           #[automatically_derived]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 861 | /     bitfield! {
[INFO] [stdout] 862 | |         /// This is only here to ensure it compiles...
[INFO] [stdout] 863 | |         #[allow(dead_code)]
[INFO] [stdout] 864 | |         struct TestBitfieldHuge<u128> {
[INFO] [stdout] ...   |
[INFO] [stdout] 874 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[automatically_derived]` can only be applied to trait impl blocks
[INFO] [stdout]     = note: this warning originates in the macro `bitfield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
[INFO] [stdout]    --> src/bitfield.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |           #[automatically_derived]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/example/example_bitfield.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | / bitfield! {
[INFO] [stdout]   7 | |     /// An example bitfield type.
[INFO] [stdout]   8 | |     ///
[INFO] [stdout]   9 | |     /// This type was generated by the following [`bitfield!`]
[INFO] [stdout] ...   |
[INFO] [stdout]  51 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[automatically_derived]` can only be applied to trait impl blocks
[INFO] [stdout]     = note: this warning originates in the macro `bitfield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "975e75ca383c3cd5b01e4992c0db76b120e93e1de0dc696ebda685529229086e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975e75ca383c3cd5b01e4992c0db76b120e93e1de0dc696ebda685529229086e", kill_on_drop: false }`
[INFO] [stdout] 975e75ca383c3cd5b01e4992c0db76b120e93e1de0dc696ebda685529229086e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b97e514c1d39576c9cbe8a3ccd5a2b38abcef21ee42c29c75e17720ace53ee9
[INFO] running `Command { std: "docker" "start" "-a" "2b97e514c1d39576c9cbe8a3ccd5a2b38abcef21ee42c29c75e17720ace53ee9", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `trace_macros`
[INFO] [stderr]  --> src/lib.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(trace_macros, feature(trace_macros))]
[INFO] [stderr]   |             ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `trace_macros`
[INFO] [stderr]   --> src/lib.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[cfg(any(test, docsrs, trace_macros))]
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `loom`
[INFO] [stderr]     --> src/pack.rs:1081:21
[INFO] [stderr]      |
[INFO] [stderr] 1081 | #[cfg(all(test, not(loom)))]
[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(loom)'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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: `mycelium-bitfield` (lib) generated 3 warnings
[INFO] [stderr] warning: unexpected `cfg` condition name: `trace_macros`
[INFO] [stderr]  --> src/example.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[cfg(trace_macros)]
[INFO] [stderr]   |       ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `trace_macros`
[INFO] [stderr]  --> src/example.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[cfg(trace_macros)]
[INFO] [stderr]   |       ^^^^^^^^^^^^ help: there is a config with a similar name: `proc_macro`
[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(trace_macros)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(trace_macros)");` 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: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
[INFO] [stderr]    --> src/bitfield.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |           #[automatically_derived]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 848 | /     bitfield! {
[INFO] [stderr] 849 | |         #[allow(dead_code)]
[INFO] [stderr] 850 | |         struct TestBitfield<u32> {
[INFO] [stderr] 851 | |             const HELLO = 4;
[INFO] [stderr] ...   |
[INFO] [stderr] 859 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[automatically_derived]` can only be applied to trait impl blocks
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `bitfield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
[INFO] [stderr]    --> src/bitfield.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |           #[automatically_derived]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 861 | /     bitfield! {
[INFO] [stderr] 862 | |         /// This is only here to ensure it compiles...
[INFO] [stderr] 863 | |         #[allow(dead_code)]
[INFO] [stderr] 864 | |         struct TestBitfieldHuge<u128> {
[INFO] [stderr] ...   |
[INFO] [stderr] 874 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[automatically_derived]` can only be applied to trait impl blocks
[INFO] [stderr]     = note: this warning originates in the macro `bitfield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
[INFO] [stderr]    --> src/bitfield.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |           #[automatically_derived]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/example/example_bitfield.rs:6:1
[INFO] [stderr]     |
[INFO] [stderr]   6 | / bitfield! {
[INFO] [stderr]   7 | |     /// An example bitfield type.
[INFO] [stderr]   8 | |     ///
[INFO] [stderr]   9 | |     /// This type was generated by the following [`bitfield!`]
[INFO] [stderr] ...   |
[INFO] [stderr]  51 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[automatically_derived]` can only be applied to trait impl blocks
[INFO] [stderr]     = note: this warning originates in the macro `bitfield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `mycelium-bitfield` (lib test) generated 8 warnings (3 duplicates) (run `cargo fix --lib -p mycelium-bitfield --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mycelium_bitfield-c7df39f7987de942)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test bitfield::tests::macro_bitfield_valid ... ok
[INFO] [stdout] test from_bits::tests::enum_min_variant ... ok
[INFO] [stdout] test from_bits::tests::enum_max_variant ... ok
[INFO] [stdout] test from_bits::tests::enum_roundtrips ... ok
[INFO] [stdout] test bitfield::tests::test_bitfield_format ... ok
[INFO] [stdout] test from_bits::tests::enum_invalid ... ok
[INFO] [stdout] test from_bits::tests::enum_needed_bits ... ok
[INFO] [stdout] test pack::tests::pack_from_src_range_64 ... ok
[INFO] [stdout] test pack::tests::pack_from_src_range_8 ... ok
[INFO] [stdout] test pack::tests::pack_from_src_range_128 ... ok
[INFO] [stdout] test pack::tests::pack_from_src_range_32 ... ok
[INFO] [stdout] test pack::tests::pack_unpack_8 ... ok
[INFO] [stdout] test pack::tests::pack_methods_16 ... ok
[INFO] [stdout] test pack::tests::pack_methods_128 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_zeroed_128 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_zeroed_64 ... ok
[INFO] [stdout] test pack::tests::pack_methods_8 ... ok
[INFO] [stdout] test pack::tests::pack_unpack_32 ... ok
[INFO] [stdout] test pack::tests::pack_unpack_16 ... ok
[INFO] [stdout] test pack::tests::pack_methods_64 ... ok
[INFO] [stdout] test pack::tests::pack_methods_32 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_arbitrary_64 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_arbitrary_32 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_zeroed_8 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_arbitrary_128 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_arbitrary_8 ... ok
[INFO] [stdout] test pack::tests::pack_from_src_range_16 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_arbitrary_16 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_zeroed_32 ... ok
[INFO] [stdout] test pack::tests::pair_least_sig_zeroed_16 ... ok
[INFO] [stdout] test pack::tests::pack_unpack_128 ... ok
[INFO] [stderr]    Doc-tests mycelium_bitfield
[INFO] [stdout] test pack::tests::pack_unpack_64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test src/pack.rs - pack::Pack128<T,F>::set_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack128<T,F>::set_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack128<T,F>::unset_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack128<T,F>::unset_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack16<T,F>::set_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack16<T,F>::set_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack16<T,F>::unset_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack16<T,F>::unset_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack32<T,F>::set_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack32<T,F>::set_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack32<T,F>::unset_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack32<T,F>::unset_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack64<T,F>::set_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack64<T,F>::set_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack64<T,F>::unset_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack64<T,F>::unset_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack8<T,F>::set_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack8<T,F>::set_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack8<T,F>::unset_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::Pack8<T,F>::unset_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::PackUsize<T,F>::set_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::PackUsize<T,F>::set_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::PackUsize<T,F>::unset_all (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack::PackUsize<T,F>::unset_all_in (line 1075) ... ignored
[INFO] [stdout] test src/pack.rs - pack (line 96) ... ok
[INFO] [stdout] test src/lib.rs - (line 132) ... ok
[INFO] [stdout] test src/from_bits.rs - from_bits::enum_from_bits (line 103) - compile fail ... ok
[INFO] [stdout] test src/pack.rs - pack (line 23) ... ok
[INFO] [stdout] test src/pack.rs - pack (line 113) ... ok
[INFO] [stdout] test src/lib.rs - (line 168) ... ok
[INFO] [stdout] test src/pack.rs - pack (line 77) ... ok
[INFO] [stdout] test src/from_bits.rs - from_bits::enum_from_bits (line 72) ... ok
[INFO] [stdout] test src/bitfield.rs - bitfield::bitfield (line 145) ... ok
[INFO] [stdout] test src/pack.rs - pack (line 58) ... ok
[INFO] [stdout] test src/bitfield.rs - bitfield::bitfield (line 238) - compile fail ... ok
[INFO] [stdout] test src/bitfield.rs - bitfield::bitfield (line 99) ... ok
[INFO] [stdout] test src/pack.rs - pack (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 227) ... ok
[INFO] [stdout] test src/bitfield.rs - bitfield::bitfield (line 274) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 24 ignored; 0 measured; 0 filtered out; finished in 1.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b97e514c1d39576c9cbe8a3ccd5a2b38abcef21ee42c29c75e17720ace53ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b97e514c1d39576c9cbe8a3ccd5a2b38abcef21ee42c29c75e17720ace53ee9", kill_on_drop: false }`
[INFO] [stdout] 2b97e514c1d39576c9cbe8a3ccd5a2b38abcef21ee42c29c75e17720ace53ee9