[INFO] crate poseidon 0.1.0 is already in cache
[INFO] extracting crate poseidon 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/poseidon/0.1.0
[INFO] extracting crate poseidon 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/poseidon/0.1.0
[INFO] validating manifest of poseidon-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 poseidon-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 poseidon-0.1.0
[INFO] finished frobbing poseidon-0.1.0
[INFO] frobbed toml for poseidon-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/poseidon/0.1.0/Cargo.toml
[INFO] started frobbing poseidon-0.1.0
[INFO] finished frobbing poseidon-0.1.0
[INFO] frobbed toml for poseidon-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/poseidon/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] [stderr]     Blocking waiting for file lock on package cache
[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 poseidon-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/poseidon/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] e7992d0eaaf041f3f935781264d4973bdfe340dd6c2288224e98072e2016865a
[INFO] running `"docker" "start" "-a" "e7992d0eaaf041f3f935781264d4973bdfe340dd6c2288224e98072e2016865a"`
[INFO] [stderr]    Compiling poseidon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "e7992d0eaaf041f3f935781264d4973bdfe340dd6c2288224e98072e2016865a"`
[INFO] running `"docker" "rm" "-f" "e7992d0eaaf041f3f935781264d4973bdfe340dd6c2288224e98072e2016865a"`
[INFO] [stdout] e7992d0eaaf041f3f935781264d4973bdfe340dd6c2288224e98072e2016865a
[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/poseidon/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] 3769191b889372725fb3615e7654983910623899a99052a3ec71c60672e91f23
[INFO] running `"docker" "start" "-a" "3769191b889372725fb3615e7654983910623899a99052a3ec71c60672e91f23"`
[INFO] [stderr]    Compiling poseidon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "3769191b889372725fb3615e7654983910623899a99052a3ec71c60672e91f23"`
[INFO] running `"docker" "rm" "-f" "3769191b889372725fb3615e7654983910623899a99052a3ec71c60672e91f23"`
[INFO] [stdout] 3769191b889372725fb3615e7654983910623899a99052a3ec71c60672e91f23
[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/poseidon/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] 21d2afa2124c8fd2bb8f62693f85ce6f8a230d208fa9294fa1c3daf81954dc80
[INFO] running `"docker" "start" "-a" "21d2afa2124c8fd2bb8f62693f85ce6f8a230d208fa9294fa1c3daf81954dc80"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/poseidon-23cedc3ff4dd0fc3
[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" "21d2afa2124c8fd2bb8f62693f85ce6f8a230d208fa9294fa1c3daf81954dc80"`
[INFO] running `"docker" "rm" "-f" "21d2afa2124c8fd2bb8f62693f85ce6f8a230d208fa9294fa1c3daf81954dc80"`
[INFO] [stdout] 21d2afa2124c8fd2bb8f62693f85ce6f8a230d208fa9294fa1c3daf81954dc80