[INFO] crate bitfield-register 0.2.1 is already in cache
[INFO] checking bitfield-register-0.2.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate bitfield-register 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate bitfield-register 0.2.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bitfield-register 0.2.1
[INFO] finished tweaking crates.io crate bitfield-register 0.2.1
[INFO] tweaked toml for crates.io crate bitfield-register 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ee0aefe2fc132d98bc9588970a62b694b5d24853eaded2e35e47d967432af828
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ee0aefe2fc132d98bc9588970a62b694b5d24853eaded2e35e47d967432af828"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling bitfield-register-macro v0.2.1
[INFO] [stderr]     Checking bitfield-register v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `FromBitfield`, `IntoBitfield`
[INFO] [stderr]    --> src/lib.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |     use super::{FromBitfield, IntoBitfield};
[INFO] [stderr]     |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     macro_rules! test_into {
[INFO] [stderr] 110 | |         ($value:expr, $expected_array:expr, $array_len:expr) => (
[INFO] [stderr] 111 | |             let array: [u8;$array_len] = $value.into_bitfield();
[INFO] [stderr] 112 | |             assert_eq!(
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |         )
[INFO] [stderr] 117 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 | /     macro_rules! test_from {
[INFO] [stderr] 120 | |         ($value_type:ty, $array_len:expr, $array:expr, $expected_value:expr) => (
[INFO] [stderr] 121 | |             assert_eq!(
[INFO] [stderr] 122 | |                 <$value_type as FromBitfield<[u8;$array_len]>>::from_bitfield($array),
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |         )
[INFO] [stderr] 126 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `"docker" "inspect" "ee0aefe2fc132d98bc9588970a62b694b5d24853eaded2e35e47d967432af828"`
[INFO] running `"docker" "rm" "-f" "ee0aefe2fc132d98bc9588970a62b694b5d24853eaded2e35e47d967432af828"`
[INFO] [stdout] ee0aefe2fc132d98bc9588970a62b694b5d24853eaded2e35e47d967432af828