[INFO] updating cached repository https://github.com/adamdecaf/learn-rust
[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] e73348f8feca5e7bb683f783ed3b22aa4400986a
[INFO] testing adamdecaf/learn-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamdecaf%2Flearn-rust" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamdecaf/learn-rust 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/adamdecaf/learn-rust
[INFO] finished tweaking git repo https://github.com/adamdecaf/learn-rust
[INFO] tweaked toml for git repo https://github.com/adamdecaf/learn-rust written to work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/adamdecaf/learn-rust 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] [stderr] warning: path `/big/crater/work/builds/worker-11/source/src/hello_world.rs` was erroneously implicitly accepted for binary `hello_world`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/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] 10f9647ddb621e2b1cebf415bfd7358b40debfde67713b1ca14a4a9ae1a841ac
[INFO] running `"docker" "start" "-a" "10f9647ddb621e2b1cebf415bfd7358b40debfde67713b1ca14a4a9ae1a841ac"`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/hello_world.rs` was erroneously implicitly accepted for binary `hello_world`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "10f9647ddb621e2b1cebf415bfd7358b40debfde67713b1ca14a4a9ae1a841ac"`
[INFO] running `"docker" "rm" "-f" "10f9647ddb621e2b1cebf415bfd7358b40debfde67713b1ca14a4a9ae1a841ac"`
[INFO] [stdout] 10f9647ddb621e2b1cebf415bfd7358b40debfde67713b1ca14a4a9ae1a841ac
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/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] aec6d2406f089bfdb113b58899346b933c0b38344ce621d40d4cd87083665eaa
[INFO] running `"docker" "start" "-a" "aec6d2406f089bfdb113b58899346b933c0b38344ce621d40d4cd87083665eaa"`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/hello_world.rs` was erroneously implicitly accepted for binary `hello_world`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "aec6d2406f089bfdb113b58899346b933c0b38344ce621d40d4cd87083665eaa"`
[INFO] running `"docker" "rm" "-f" "aec6d2406f089bfdb113b58899346b933c0b38344ce621d40d4cd87083665eaa"`
[INFO] [stdout] aec6d2406f089bfdb113b58899346b933c0b38344ce621d40d4cd87083665eaa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/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] d96e1af2d69837d9936c47caef6b487be822ca6948e0c30f36a2209feae4724f
[INFO] running `"docker" "start" "-a" "d96e1af2d69837d9936c47caef6b487be822ca6948e0c30f36a2209feae4724f"`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/hello_world.rs` was erroneously implicitly accepted for binary `hello_world`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_world-732531b8cdbc8756
[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" "d96e1af2d69837d9936c47caef6b487be822ca6948e0c30f36a2209feae4724f"`
[INFO] running `"docker" "rm" "-f" "d96e1af2d69837d9936c47caef6b487be822ca6948e0c30f36a2209feae4724f"`
[INFO] [stdout] d96e1af2d69837d9936c47caef6b487be822ca6948e0c30f36a2209feae4724f