[INFO] crate optra 0.2.1 is already in cache
[INFO] extracting crate optra 0.2.1 into work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/reg/optra/0.2.1
[INFO] extracting crate optra 0.2.1 into work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/optra/0.2.1
[INFO] validating manifest of optra-0.2.1 on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of optra-0.2.1 on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing optra-0.2.1
[INFO] finished frobbing optra-0.2.1
[INFO] frobbed toml for optra-0.2.1 written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/reg/optra/0.2.1/Cargo.toml
[INFO] started frobbing optra-0.2.1
[INFO] finished frobbing optra-0.2.1
[INFO] frobbed toml for optra-0.2.1 written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/optra/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking optra-0.2.1 against master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a for pr-57609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-3/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/reg/optra/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" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bf39dcfd0a1a2b87a15c1f84380eefac19627f0a0e987a13ab0f7f9df6c31ba4
[INFO] running `"docker" "start" "-a" "bf39dcfd0a1a2b87a15c1f84380eefac19627f0a0e987a13ab0f7f9df6c31ba4"`
[INFO] [stderr]     Checking rdiff v0.1.2
[INFO] [stderr]     Checking optra v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/engine.rs:780:5
[INFO] [stderr]     |
[INFO] [stderr] 780 | /     macro_rules! create_list {
[INFO] [stderr] 781 | |         ( $( $x:expr ),* ) => {
[INFO] [stderr] 782 | |             {
[INFO] [stderr] 783 | |                 vec![$($x,)*].into_iter().collect::<LinkedList<_> >()
[INFO] [stderr] 784 | |             }
[INFO] [stderr] 785 | |         };
[INFO] [stderr] 786 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `"docker" "inspect" "bf39dcfd0a1a2b87a15c1f84380eefac19627f0a0e987a13ab0f7f9df6c31ba4"`
[INFO] running `"docker" "rm" "-f" "bf39dcfd0a1a2b87a15c1f84380eefac19627f0a0e987a13ab0f7f9df6c31ba4"`
[INFO] [stdout] bf39dcfd0a1a2b87a15c1f84380eefac19627f0a0e987a13ab0f7f9df6c31ba4