[INFO] crate optra 0.2.1 is already in cache
[INFO] extracting crate optra 0.2.1 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/optra/0.2.1
[INFO] extracting crate optra 0.2.1 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/optra/0.2.1
[INFO] validating manifest of optra-0.2.1 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of optra-0.2.1 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-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-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/optra/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking optra-0.2.1 against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-1/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d71afbbc9cd1516ad620471999819810513deedcf9d95c07d48a4761e6a4d491
[INFO] running `"docker" "start" "-a" "d71afbbc9cd1516ad620471999819810513deedcf9d95c07d48a4761e6a4d491"`
[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 2.42s
[INFO] running `"docker" "inspect" "d71afbbc9cd1516ad620471999819810513deedcf9d95c07d48a4761e6a4d491"`
[INFO] running `"docker" "rm" "-f" "d71afbbc9cd1516ad620471999819810513deedcf9d95c07d48a4761e6a4d491"`
[INFO] [stdout] d71afbbc9cd1516ad620471999819810513deedcf9d95c07d48a4761e6a4d491