[INFO] crate o2 0.1.0 is already in cache
[INFO] testing o2-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate o2 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate o2 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate o2 0.1.0
[INFO] finished tweaking crates.io crate o2 0.1.0
[INFO] tweaked toml for crates.io crate o2 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 84b67aff6bb67ef86e2be7ecfd489f1836e5c2317135c189c6ce0892d21cf3f9
[INFO] running `"docker" "start" "-a" "84b67aff6bb67ef86e2be7ecfd489f1836e5c2317135c189c6ce0892d21cf3f9"`
[INFO] [stderr]    Compiling o2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `"docker" "inspect" "84b67aff6bb67ef86e2be7ecfd489f1836e5c2317135c189c6ce0892d21cf3f9"`
[INFO] running `"docker" "rm" "-f" "84b67aff6bb67ef86e2be7ecfd489f1836e5c2317135c189c6ce0892d21cf3f9"`
[INFO] [stdout] 84b67aff6bb67ef86e2be7ecfd489f1836e5c2317135c189c6ce0892d21cf3f9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 344674e53bf170e262be0c1ffe8a554a27dc1a28d2586a30da37171741978d1e
[INFO] running `"docker" "start" "-a" "344674e53bf170e262be0c1ffe8a554a27dc1a28d2586a30da37171741978d1e"`
[INFO] [stderr]    Compiling o2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "344674e53bf170e262be0c1ffe8a554a27dc1a28d2586a30da37171741978d1e"`
[INFO] running `"docker" "rm" "-f" "344674e53bf170e262be0c1ffe8a554a27dc1a28d2586a30da37171741978d1e"`
[INFO] [stdout] 344674e53bf170e262be0c1ffe8a554a27dc1a28d2586a30da37171741978d1e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2687c7f307c662b411e8bcf9bb60f02b1e268ba751b331d3d8acc3b0ae33e47a
[INFO] running `"docker" "start" "-a" "2687c7f307c662b411e8bcf9bb60f02b1e268ba751b331d3d8acc3b0ae33e47a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/o2-b0f868372befd54d
[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 o2
[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" "2687c7f307c662b411e8bcf9bb60f02b1e268ba751b331d3d8acc3b0ae33e47a"`
[INFO] running `"docker" "rm" "-f" "2687c7f307c662b411e8bcf9bb60f02b1e268ba751b331d3d8acc3b0ae33e47a"`
[INFO] [stdout] 2687c7f307c662b411e8bcf9bb60f02b1e268ba751b331d3d8acc3b0ae33e47a