[INFO] updating cached repository https://github.com/robertohuertasm/rust-a-gentle-introduction
[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] 7e36dbf2139c284f68e110fefd1edc88dec8e3ab
[INFO] testing robertohuertasm/rust-a-gentle-introduction against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-a-gentle-introduction" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertohuertasm/rust-a-gentle-introduction 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/robertohuertasm/rust-a-gentle-introduction
[INFO] finished tweaking git repo https://github.com/robertohuertasm/rust-a-gentle-introduction
[INFO] tweaked toml for git repo https://github.com/robertohuertasm/rust-a-gentle-introduction written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/robertohuertasm/rust-a-gentle-introduction 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 1d3e1a4559c021f8991e1b4bd23d26e4a303041b160ee84957b77c0734223b07
[INFO] running `"docker" "start" "-a" "1d3e1a4559c021f8991e1b4bd23d26e4a303041b160ee84957b77c0734223b07"`
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling gentle_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `"docker" "inspect" "1d3e1a4559c021f8991e1b4bd23d26e4a303041b160ee84957b77c0734223b07"`
[INFO] running `"docker" "rm" "-f" "1d3e1a4559c021f8991e1b4bd23d26e4a303041b160ee84957b77c0734223b07"`
[INFO] [stdout] 1d3e1a4559c021f8991e1b4bd23d26e4a303041b160ee84957b77c0734223b07
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] a8579cafe716f9c694571cc59ce5c01d3e6b9cb56e1c698ed6e9eb19d699ccb3
[INFO] running `"docker" "start" "-a" "a8579cafe716f9c694571cc59ce5c01d3e6b9cb56e1c698ed6e9eb19d699ccb3"`
[INFO] [stderr]    Compiling gentle_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "a8579cafe716f9c694571cc59ce5c01d3e6b9cb56e1c698ed6e9eb19d699ccb3"`
[INFO] running `"docker" "rm" "-f" "a8579cafe716f9c694571cc59ce5c01d3e6b9cb56e1c698ed6e9eb19d699ccb3"`
[INFO] [stdout] a8579cafe716f9c694571cc59ce5c01d3e6b9cb56e1c698ed6e9eb19d699ccb3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 4b3dd27926bd63f46166d373999c1901bdc6fe8bd9a83ab4650f487a6314fdd2
[INFO] running `"docker" "start" "-a" "4b3dd27926bd63f46166d373999c1901bdc6fe8bd9a83ab4650f487a6314fdd2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gentle_intro-082cfa702b316884
[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" "4b3dd27926bd63f46166d373999c1901bdc6fe8bd9a83ab4650f487a6314fdd2"`
[INFO] running `"docker" "rm" "-f" "4b3dd27926bd63f46166d373999c1901bdc6fe8bd9a83ab4650f487a6314fdd2"`
[INFO] [stdout] 4b3dd27926bd63f46166d373999c1901bdc6fe8bd9a83ab4650f487a6314fdd2