[INFO] updating cached repository https://github.com/learn-rust/guessing-game
[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] 9f7e85a12f889c3961e4288a46a2420ed97e738b
[INFO] testing learn-rust/guessing-game against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust%2Fguessing-game" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learn-rust/guessing-game on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/learn-rust/guessing-game
[INFO] finished tweaking git repo https://github.com/learn-rust/guessing-game
[INFO] tweaked toml for git repo https://github.com/learn-rust/guessing-game written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-rust/guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 0554f37bd3bb52ac868145ff8439256c245e0136eb47a0ab06a393f0330a0e89
[INFO] running `"docker" "start" "-a" "0554f37bd3bb52ac868145ff8439256c245e0136eb47a0ab06a393f0330a0e89"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "0554f37bd3bb52ac868145ff8439256c245e0136eb47a0ab06a393f0330a0e89"`
[INFO] running `"docker" "rm" "-f" "0554f37bd3bb52ac868145ff8439256c245e0136eb47a0ab06a393f0330a0e89"`
[INFO] [stdout] 0554f37bd3bb52ac868145ff8439256c245e0136eb47a0ab06a393f0330a0e89
[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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 95bc58f36dcd6d291945e977804f3608074806e5f6ffcfffc197391f248e8a78
[INFO] running `"docker" "start" "-a" "95bc58f36dcd6d291945e977804f3608074806e5f6ffcfffc197391f248e8a78"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "95bc58f36dcd6d291945e977804f3608074806e5f6ffcfffc197391f248e8a78"`
[INFO] running `"docker" "rm" "-f" "95bc58f36dcd6d291945e977804f3608074806e5f6ffcfffc197391f248e8a78"`
[INFO] [stdout] 95bc58f36dcd6d291945e977804f3608074806e5f6ffcfffc197391f248e8a78
[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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 6b7345c7825ef926f4479b9a99f213e725e022e98d7f57dc9b7c4e93ee054f6e
[INFO] running `"docker" "start" "-a" "6b7345c7825ef926f4479b9a99f213e725e022e98d7f57dc9b7c4e93ee054f6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guessing_game-345250a4f18dd32e
[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" "6b7345c7825ef926f4479b9a99f213e725e022e98d7f57dc9b7c4e93ee054f6e"`
[INFO] running `"docker" "rm" "-f" "6b7345c7825ef926f4479b9a99f213e725e022e98d7f57dc9b7c4e93ee054f6e"`
[INFO] [stdout] 6b7345c7825ef926f4479b9a99f213e725e022e98d7f57dc9b7c4e93ee054f6e