[INFO] crate tower-discover 0.1.0 is already in cache
[INFO] extracting crate tower-discover 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tower-discover/0.1.0
[INFO] extracting crate tower-discover 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-discover/0.1.0
[INFO] validating manifest of tower-discover-0.1.0 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 tower-discover-0.1.0 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 tower-discover-0.1.0
[INFO] finished frobbing tower-discover-0.1.0
[INFO] frobbed toml for tower-discover-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tower-discover/0.1.0/Cargo.toml
[INFO] started frobbing tower-discover-0.1.0
[INFO] finished frobbing tower-discover-0.1.0
[INFO] frobbed toml for tower-discover-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-discover/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tower-discover-0.1.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-discover/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 10e26eb2e07dad19290074953fdad3f88a2e001495b0711c950235e32345979a
[INFO] running `"docker" "start" "-a" "10e26eb2e07dad19290074953fdad3f88a2e001495b0711c950235e32345979a"`
[INFO] [stderr]    Compiling tower-discover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "10e26eb2e07dad19290074953fdad3f88a2e001495b0711c950235e32345979a"`
[INFO] running `"docker" "rm" "-f" "10e26eb2e07dad19290074953fdad3f88a2e001495b0711c950235e32345979a"`
[INFO] [stdout] 10e26eb2e07dad19290074953fdad3f88a2e001495b0711c950235e32345979a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-discover/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b54b0c1eceb93db8536c46f15b355a41b34401ade7eda577ba1323242fae16d
[INFO] running `"docker" "start" "-a" "2b54b0c1eceb93db8536c46f15b355a41b34401ade7eda577ba1323242fae16d"`
[INFO] [stderr]    Compiling tower-discover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "2b54b0c1eceb93db8536c46f15b355a41b34401ade7eda577ba1323242fae16d"`
[INFO] running `"docker" "rm" "-f" "2b54b0c1eceb93db8536c46f15b355a41b34401ade7eda577ba1323242fae16d"`
[INFO] [stdout] 2b54b0c1eceb93db8536c46f15b355a41b34401ade7eda577ba1323242fae16d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-discover/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 67cde899280088b22484f271105cc352a51c247ea095a0312eec590a535999c7
[INFO] running `"docker" "start" "-a" "67cde899280088b22484f271105cc352a51c247ea095a0312eec590a535999c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_discover-0e74b4fa9c208f89
[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] [stderr]    Doc-tests tower-discover
[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" "67cde899280088b22484f271105cc352a51c247ea095a0312eec590a535999c7"`
[INFO] running `"docker" "rm" "-f" "67cde899280088b22484f271105cc352a51c247ea095a0312eec590a535999c7"`
[INFO] [stdout] 67cde899280088b22484f271105cc352a51c247ea095a0312eec590a535999c7