[INFO] fetching crate etcommon-bigint 0.2.10...
[INFO] checking etcommon-bigint-0.2.10 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate etcommon-bigint 0.2.10 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate etcommon-bigint 0.2.10 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e189157e1b7451cced50161d0a2559f8ef1b8965584bc681f8701d0c6f22af56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e189157e1b7451cced50161d0a2559f8ef1b8965584bc681f8701d0c6f22af56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e189157e1b7451cced50161d0a2559f8ef1b8965584bc681f8701d0c6f22af56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e189157e1b7451cced50161d0a2559f8ef1b8965584bc681f8701d0c6f22af56", kill_on_drop: false }`
[INFO] [stdout] e189157e1b7451cced50161d0a2559f8ef1b8965584bc681f8701d0c6f22af56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09877ddc427885516a92ff6311c27c96d3de9e0d609ddc2527de254074fb19ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09877ddc427885516a92ff6311c27c96d3de9e0d609ddc2527de254074fb19ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking elastic-array-plus v0.10.0
[INFO] [stderr]     Checking etcommon-hexutil v0.2.4
[INFO] [stderr]     Checking etcommon-rlp v0.2.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking etcommon-bigint v0.2.10 (/opt/rustwide/workdir)
[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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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] 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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastMap`
[INFO] [stdout]    --> src/hash/mod.rs:541:1
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastSet`
[INFO] [stdout]    --> src/hash/mod.rs:544:1
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastMap`
[INFO] [stdout]    --> src/hash/mod.rs:541:1
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastSet`
[INFO] [stdout]    --> src/hash/mod.rs:544:1
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `Command { std: "docker" "inspect" "09877ddc427885516a92ff6311c27c96d3de9e0d609ddc2527de254074fb19ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09877ddc427885516a92ff6311c27c96d3de9e0d609ddc2527de254074fb19ec", kill_on_drop: false }`
[INFO] [stdout] 09877ddc427885516a92ff6311c27c96d3de9e0d609ddc2527de254074fb19ec