[INFO] crate c3po 0.0.0 is already in cache
[INFO] extracting crate c3po 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/c3po/0.0.0
[INFO] extracting crate c3po 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/c3po/0.0.0
[INFO] validating manifest of c3po-0.0.0 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 c3po-0.0.0 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 c3po-0.0.0
[INFO] finished frobbing c3po-0.0.0
[INFO] frobbed toml for c3po-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/c3po/0.0.0/Cargo.toml
[INFO] started frobbing c3po-0.0.0
[INFO] finished frobbing c3po-0.0.0
[INFO] frobbed toml for c3po-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/c3po/0.0.0/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 c3po-0.0.0 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/c3po/0.0.0:/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] a691ac6c7ee32c32aef5440aae4673d08feed683237f277b037ccb053d2f09e1
[INFO] running `"docker" "start" "-a" "a691ac6c7ee32c32aef5440aae4673d08feed683237f277b037ccb053d2f09e1"`
[INFO] [stderr]    Compiling c3po v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "a691ac6c7ee32c32aef5440aae4673d08feed683237f277b037ccb053d2f09e1"`
[INFO] running `"docker" "rm" "-f" "a691ac6c7ee32c32aef5440aae4673d08feed683237f277b037ccb053d2f09e1"`
[INFO] [stdout] a691ac6c7ee32c32aef5440aae4673d08feed683237f277b037ccb053d2f09e1
[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/c3po/0.0.0:/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] 410a7f454671624457103aa50b501e413f7290e4e6125e8868c2733441a73d31
[INFO] running `"docker" "start" "-a" "410a7f454671624457103aa50b501e413f7290e4e6125e8868c2733441a73d31"`
[INFO] [stderr]    Compiling c3po v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "410a7f454671624457103aa50b501e413f7290e4e6125e8868c2733441a73d31"`
[INFO] running `"docker" "rm" "-f" "410a7f454671624457103aa50b501e413f7290e4e6125e8868c2733441a73d31"`
[INFO] [stdout] 410a7f454671624457103aa50b501e413f7290e4e6125e8868c2733441a73d31
[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/c3po/0.0.0:/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] 5f9793a8f095e065b5e1e2f03805f4ec8777ecff9bc743553001dcddd5cc938a
[INFO] running `"docker" "start" "-a" "5f9793a8f095e065b5e1e2f03805f4ec8777ecff9bc743553001dcddd5cc938a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c3po-32336b6e437f1350
[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 c3po
[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" "5f9793a8f095e065b5e1e2f03805f4ec8777ecff9bc743553001dcddd5cc938a"`
[INFO] running `"docker" "rm" "-f" "5f9793a8f095e065b5e1e2f03805f4ec8777ecff9bc743553001dcddd5cc938a"`
[INFO] [stdout] 5f9793a8f095e065b5e1e2f03805f4ec8777ecff9bc743553001dcddd5cc938a