[INFO] crate specs-visitor 0.3.0 is already in cache
[INFO] extracting crate specs-visitor 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/specs-visitor/0.3.0
[INFO] extracting crate specs-visitor 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/specs-visitor/0.3.0
[INFO] validating manifest of specs-visitor-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of specs-visitor-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing specs-visitor-0.3.0
[INFO] finished frobbing specs-visitor-0.3.0
[INFO] frobbed toml for specs-visitor-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/specs-visitor/0.3.0/Cargo.toml
[INFO] started frobbing specs-visitor-0.3.0
[INFO] finished frobbing specs-visitor-0.3.0
[INFO] frobbed toml for specs-visitor-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/specs-visitor/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing specs-visitor-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/specs-visitor/0.3.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d735d13d923adcd7675253e867e1f83dfbe3f86a136f41ef8e51fa3a81ee324b
[INFO] running `"docker" "start" "-a" "d735d13d923adcd7675253e867e1f83dfbe3f86a136f41ef8e51fa3a81ee324b"`
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling specs-visitor v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.20s
[INFO] running `"docker" "inspect" "d735d13d923adcd7675253e867e1f83dfbe3f86a136f41ef8e51fa3a81ee324b"`
[INFO] running `"docker" "rm" "-f" "d735d13d923adcd7675253e867e1f83dfbe3f86a136f41ef8e51fa3a81ee324b"`
[INFO] [stdout] d735d13d923adcd7675253e867e1f83dfbe3f86a136f41ef8e51fa3a81ee324b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/specs-visitor/0.3.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7f9c25cd9a7e3ead7a7b5f663fcf5ff84e26ed1ad8a784149d32c081eb47392e
[INFO] running `"docker" "start" "-a" "7f9c25cd9a7e3ead7a7b5f663fcf5ff84e26ed1ad8a784149d32c081eb47392e"`
[INFO] [stderr]    Compiling specs-visitor v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "7f9c25cd9a7e3ead7a7b5f663fcf5ff84e26ed1ad8a784149d32c081eb47392e"`
[INFO] running `"docker" "rm" "-f" "7f9c25cd9a7e3ead7a7b5f663fcf5ff84e26ed1ad8a784149d32c081eb47392e"`
[INFO] [stdout] 7f9c25cd9a7e3ead7a7b5f663fcf5ff84e26ed1ad8a784149d32c081eb47392e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/specs-visitor/0.3.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7d2d2421fbc6a16190dc794423b355c378d574440998979a2dbca850514c38f5
[INFO] running `"docker" "start" "-a" "7d2d2421fbc6a16190dc794423b355c378d574440998979a2dbca850514c38f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/specs_visitor-a5623361e486eb11
[INFO] [stderr]    Doc-tests specs-visitor
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7d2d2421fbc6a16190dc794423b355c378d574440998979a2dbca850514c38f5"`
[INFO] running `"docker" "rm" "-f" "7d2d2421fbc6a16190dc794423b355c378d574440998979a2dbca850514c38f5"`
[INFO] [stdout] 7d2d2421fbc6a16190dc794423b355c378d574440998979a2dbca850514c38f5