[INFO] crate amigo 0.3.1 is already in cache
[INFO] extracting crate amigo 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/amigo/0.3.1
[INFO] extracting crate amigo 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/amigo/0.3.1
[INFO] validating manifest of amigo-0.3.1 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 amigo-0.3.1 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 amigo-0.3.1
[INFO] finished frobbing amigo-0.3.1
[INFO] frobbed toml for amigo-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/amigo/0.3.1/Cargo.toml
[INFO] started frobbing amigo-0.3.1
[INFO] finished frobbing amigo-0.3.1
[INFO] frobbed toml for amigo-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/amigo/0.3.1/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing amigo-0.3.1 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/amigo/0.3.1:/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=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] 1791d9b378b6c8cfef8ce452e49248a3370bb9c3c995dee7b204fabfd3d29433
[INFO] running `"docker" "start" "-a" "1791d9b378b6c8cfef8ce452e49248a3370bb9c3c995dee7b204fabfd3d29433"`
[INFO] [stderr]    Compiling amigo v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "1791d9b378b6c8cfef8ce452e49248a3370bb9c3c995dee7b204fabfd3d29433"`
[INFO] running `"docker" "rm" "-f" "1791d9b378b6c8cfef8ce452e49248a3370bb9c3c995dee7b204fabfd3d29433"`
[INFO] [stdout] 1791d9b378b6c8cfef8ce452e49248a3370bb9c3c995dee7b204fabfd3d29433
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/amigo/0.3.1:/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=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] 8bf3931e39a33e84f1202113ad7690a13908938285738b7cfa6531a45d61a3e6
[INFO] running `"docker" "start" "-a" "8bf3931e39a33e84f1202113ad7690a13908938285738b7cfa6531a45d61a3e6"`
[INFO] [stderr]    Compiling amigo v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "8bf3931e39a33e84f1202113ad7690a13908938285738b7cfa6531a45d61a3e6"`
[INFO] running `"docker" "rm" "-f" "8bf3931e39a33e84f1202113ad7690a13908938285738b7cfa6531a45d61a3e6"`
[INFO] [stdout] 8bf3931e39a33e84f1202113ad7690a13908938285738b7cfa6531a45d61a3e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/amigo/0.3.1:/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=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] 70b483021fc38e29b8a7784d286dcfa01caf6e5c0a27febd310c0c1428c857e8
[INFO] running `"docker" "start" "-a" "70b483021fc38e29b8a7784d286dcfa01caf6e5c0a27febd310c0c1428c857e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/amigo-bc866141a6837147
[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" "70b483021fc38e29b8a7784d286dcfa01caf6e5c0a27febd310c0c1428c857e8"`
[INFO] running `"docker" "rm" "-f" "70b483021fc38e29b8a7784d286dcfa01caf6e5c0a27febd310c0c1428c857e8"`
[INFO] [stdout] 70b483021fc38e29b8a7784d286dcfa01caf6e5c0a27febd310c0c1428c857e8