[INFO] updating cached repository https://github.com/SteveBirtles/rust_for_polyglots
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dfc720c5b211fb49bc60e106ab8daace0a10d11
[INFO] testing SteveBirtles/rust_for_polyglots against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteveBirtles/rust_for_polyglots 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 git repo https://github.com/SteveBirtles/rust_for_polyglots
[INFO] finished tweaking git repo https://github.com/SteveBirtles/rust_for_polyglots
[INFO] tweaked toml for git repo https://github.com/SteveBirtles/rust_for_polyglots written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SteveBirtles/rust_for_polyglots already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] f61d13c9581579f8a74b063ccbfcfca5749e4468457ae0be3304e5c15723af09
[INFO] running `"docker" "start" "-a" "f61d13c9581579f8a74b063ccbfcfca5749e4468457ae0be3304e5c15723af09"`
[INFO] [stderr]    Compiling rust_for_polyglots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "f61d13c9581579f8a74b063ccbfcfca5749e4468457ae0be3304e5c15723af09"`
[INFO] running `"docker" "rm" "-f" "f61d13c9581579f8a74b063ccbfcfca5749e4468457ae0be3304e5c15723af09"`
[INFO] [stdout] f61d13c9581579f8a74b063ccbfcfca5749e4468457ae0be3304e5c15723af09
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 44a26b83fc191130296e8c95e4f912dc3f07943218ca1aeeada0a28b6abb9e82
[INFO] running `"docker" "start" "-a" "44a26b83fc191130296e8c95e4f912dc3f07943218ca1aeeada0a28b6abb9e82"`
[INFO] [stderr]    Compiling rust_for_polyglots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "44a26b83fc191130296e8c95e4f912dc3f07943218ca1aeeada0a28b6abb9e82"`
[INFO] running `"docker" "rm" "-f" "44a26b83fc191130296e8c95e4f912dc3f07943218ca1aeeada0a28b6abb9e82"`
[INFO] [stdout] 44a26b83fc191130296e8c95e4f912dc3f07943218ca1aeeada0a28b6abb9e82
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] aaefa1feb43c568b54a72e9bb60d1f5cc4de1a6e93db3a728a44adb2f88c7e72
[INFO] running `"docker" "start" "-a" "aaefa1feb43c568b54a72e9bb60d1f5cc4de1a6e93db3a728a44adb2f88c7e72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_for_polyglots-cca495625b2bd792
[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" "aaefa1feb43c568b54a72e9bb60d1f5cc4de1a6e93db3a728a44adb2f88c7e72"`
[INFO] running `"docker" "rm" "-f" "aaefa1feb43c568b54a72e9bb60d1f5cc4de1a6e93db3a728a44adb2f88c7e72"`
[INFO] [stdout] aaefa1feb43c568b54a72e9bb60d1f5cc4de1a6e93db3a728a44adb2f88c7e72