[INFO] crate bitfield-register 0.2.1 is already in cache
[INFO] extracting crate bitfield-register 0.2.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/bitfield-register/0.2.1
[INFO] extracting crate bitfield-register 0.2.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/bitfield-register/0.2.1
[INFO] validating manifest of bitfield-register-0.2.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitfield-register-0.2.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bitfield-register-0.2.1
[INFO] finished frobbing bitfield-register-0.2.1
[INFO] frobbed toml for bitfield-register-0.2.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/bitfield-register/0.2.1/Cargo.toml
[INFO] started frobbing bitfield-register-0.2.1
[INFO] finished frobbing bitfield-register-0.2.1
[INFO] frobbed toml for bitfield-register-0.2.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/bitfield-register/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitfield-register-0.2.1 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/bitfield-register/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 726e2e8e0bafefc354fbc40026175862f6fe4e1f752d50f4e498e4c3b36e23f3
[INFO] running `"docker" "start" "-a" "726e2e8e0bafefc354fbc40026175862f6fe4e1f752d50f4e498e4c3b36e23f3"`
[INFO] [stderr]    Compiling bitfield-register-macro v0.2.1
[INFO] [stderr]     Checking bitfield-register v0.2.1 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `"docker" "inspect" "726e2e8e0bafefc354fbc40026175862f6fe4e1f752d50f4e498e4c3b36e23f3"`
[INFO] running `"docker" "rm" "-f" "726e2e8e0bafefc354fbc40026175862f6fe4e1f752d50f4e498e4c3b36e23f3"`
[INFO] [stdout] 726e2e8e0bafefc354fbc40026175862f6fe4e1f752d50f4e498e4c3b36e23f3