[INFO] crate pietro-test-crate 0.1.0 is already in cache
[INFO] extracting crate pietro-test-crate 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/pietro-test-crate/0.1.0
[INFO] extracting crate pietro-test-crate 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pietro-test-crate/0.1.0
[INFO] validating manifest of pietro-test-crate-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 pietro-test-crate-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 pietro-test-crate-0.1.0
[INFO] finished frobbing pietro-test-crate-0.1.0
[INFO] frobbed toml for pietro-test-crate-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pietro-test-crate/0.1.0/Cargo.toml
[INFO] started frobbing pietro-test-crate-0.1.0
[INFO] finished frobbing pietro-test-crate-0.1.0
[INFO] frobbed toml for pietro-test-crate-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pietro-test-crate/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pietro-test-crate-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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pietro-test-crate/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] 6feaccf23e6573264de3302e8c7bd472910ae36f8d63bfbd3217d22bcdf2bc62
[INFO] running `"docker" "start" "-a" "6feaccf23e6573264de3302e8c7bd472910ae36f8d63bfbd3217d22bcdf2bc62"`
[INFO] [stderr]    Compiling pietro-test-crate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "6feaccf23e6573264de3302e8c7bd472910ae36f8d63bfbd3217d22bcdf2bc62"`
[INFO] running `"docker" "rm" "-f" "6feaccf23e6573264de3302e8c7bd472910ae36f8d63bfbd3217d22bcdf2bc62"`
[INFO] [stdout] 6feaccf23e6573264de3302e8c7bd472910ae36f8d63bfbd3217d22bcdf2bc62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pietro-test-crate/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] 830f57db05b898ffc64127511f9426c8b53e9443bf6520f47f356b0cfc179a4e
[INFO] running `"docker" "start" "-a" "830f57db05b898ffc64127511f9426c8b53e9443bf6520f47f356b0cfc179a4e"`
[INFO] [stderr]    Compiling pietro-test-crate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "830f57db05b898ffc64127511f9426c8b53e9443bf6520f47f356b0cfc179a4e"`
[INFO] running `"docker" "rm" "-f" "830f57db05b898ffc64127511f9426c8b53e9443bf6520f47f356b0cfc179a4e"`
[INFO] [stdout] 830f57db05b898ffc64127511f9426c8b53e9443bf6520f47f356b0cfc179a4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pietro-test-crate/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] 5ada09339a964e14662f05e96f49f817c8f75199fb965a44aa098758b8e21e2d
[INFO] running `"docker" "start" "-a" "5ada09339a964e14662f05e96f49f817c8f75199fb965a44aa098758b8e21e2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pietro_test_crate-9dd35dc0aa811814
[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" "5ada09339a964e14662f05e96f49f817c8f75199fb965a44aa098758b8e21e2d"`
[INFO] running `"docker" "rm" "-f" "5ada09339a964e14662f05e96f49f817c8f75199fb965a44aa098758b8e21e2d"`
[INFO] [stdout] 5ada09339a964e14662f05e96f49f817c8f75199fb965a44aa098758b8e21e2d