[INFO] crate tower-layer 0.1.0 is already in cache
[INFO] extracting crate tower-layer 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tower-layer/0.1.0
[INFO] extracting crate tower-layer 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-layer/0.1.0
[INFO] validating manifest of tower-layer-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tower-layer-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tower-layer-0.1.0
[INFO] finished frobbing tower-layer-0.1.0
[INFO] frobbed toml for tower-layer-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tower-layer/0.1.0/Cargo.toml
[INFO] started frobbing tower-layer-0.1.0
[INFO] finished frobbing tower-layer-0.1.0
[INFO] frobbed toml for tower-layer-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-layer/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tower-layer-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-layer/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 13d3890d67dcd8b86453c0f24cbd0eaf7fafde868983729f2d443f05c247bc96
[INFO] running `"docker" "start" "-a" "13d3890d67dcd8b86453c0f24cbd0eaf7fafde868983729f2d443f05c247bc96"`
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling tower-layer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "13d3890d67dcd8b86453c0f24cbd0eaf7fafde868983729f2d443f05c247bc96"`
[INFO] running `"docker" "rm" "-f" "13d3890d67dcd8b86453c0f24cbd0eaf7fafde868983729f2d443f05c247bc96"`
[INFO] [stdout] 13d3890d67dcd8b86453c0f24cbd0eaf7fafde868983729f2d443f05c247bc96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-layer/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 12d3df83a8a39c8777f9335c065535f1cf0c1457f2b9c14307901a1e5b22884d
[INFO] running `"docker" "start" "-a" "12d3df83a8a39c8777f9335c065535f1cf0c1457f2b9c14307901a1e5b22884d"`
[INFO] [stderr]    Compiling tower-layer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "12d3df83a8a39c8777f9335c065535f1cf0c1457f2b9c14307901a1e5b22884d"`
[INFO] running `"docker" "rm" "-f" "12d3df83a8a39c8777f9335c065535f1cf0c1457f2b9c14307901a1e5b22884d"`
[INFO] [stdout] 12d3df83a8a39c8777f9335c065535f1cf0c1457f2b9c14307901a1e5b22884d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-layer/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 093e217d4b8ca6eb1800556308bae7bd12e837c8c8050ad13d7966c9f2ff61e4
[INFO] running `"docker" "start" "-a" "093e217d4b8ca6eb1800556308bae7bd12e837c8c8050ad13d7966c9f2ff61e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_layer-99360a85043b4eca
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tower-layer
[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 1 test
[INFO] [stdout] test src/lib.rs - Layer (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "093e217d4b8ca6eb1800556308bae7bd12e837c8c8050ad13d7966c9f2ff61e4"`
[INFO] running `"docker" "rm" "-f" "093e217d4b8ca6eb1800556308bae7bd12e837c8c8050ad13d7966c9f2ff61e4"`
[INFO] [stdout] 093e217d4b8ca6eb1800556308bae7bd12e837c8c8050ad13d7966c9f2ff61e4