[INFO] updating cached repository https://github.com/plumenator/failure-learn
[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] aa2196d9aa6e6ddda13d8e78c2b56925ff46c641
[INFO] testing plumenator/failure-learn against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Ffailure-learn" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plumenator/failure-learn 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/plumenator/failure-learn
[INFO] finished tweaking git repo https://github.com/plumenator/failure-learn
[INFO] tweaked toml for git repo https://github.com/plumenator/failure-learn written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/plumenator/failure-learn 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 9f51aace65c35eda07eb5c70451eab4a5a43597a85e4583b83b6f75bc34be9a0
[INFO] running `"docker" "start" "-a" "9f51aace65c35eda07eb5c70451eab4a5a43597a85e4583b83b6f75bc34be9a0"`
[INFO] [stderr]    Compiling failure-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate matches;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "9f51aace65c35eda07eb5c70451eab4a5a43597a85e4583b83b6f75bc34be9a0"`
[INFO] running `"docker" "rm" "-f" "9f51aace65c35eda07eb5c70451eab4a5a43597a85e4583b83b6f75bc34be9a0"`
[INFO] [stdout] 9f51aace65c35eda07eb5c70451eab4a5a43597a85e4583b83b6f75bc34be9a0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] c0c55b9a5b5a88944ddef1d667be0107f1029eae31307710659f736c64f84ded
[INFO] running `"docker" "start" "-a" "c0c55b9a5b5a88944ddef1d667be0107f1029eae31307710659f736c64f84ded"`
[INFO] [stderr]    Compiling failure-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "c0c55b9a5b5a88944ddef1d667be0107f1029eae31307710659f736c64f84ded"`
[INFO] running `"docker" "rm" "-f" "c0c55b9a5b5a88944ddef1d667be0107f1029eae31307710659f736c64f84ded"`
[INFO] [stdout] c0c55b9a5b5a88944ddef1d667be0107f1029eae31307710659f736c64f84ded
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 50e922a2bb35fa1686d1ac2065f9ac9fe727e9bad0946f9a7192d73c422a2a37
[INFO] running `"docker" "start" "-a" "50e922a2bb35fa1686d1ac2065f9ac9fe727e9bad0946f9a7192d73c422a2a37"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/failure_learn-88ceff8e5ad40a2d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test invalid_path ... ok
[INFO] [stdout] test invalid_toml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "50e922a2bb35fa1686d1ac2065f9ac9fe727e9bad0946f9a7192d73c422a2a37"`
[INFO] running `"docker" "rm" "-f" "50e922a2bb35fa1686d1ac2065f9ac9fe727e9bad0946f9a7192d73c422a2a37"`
[INFO] [stdout] 50e922a2bb35fa1686d1ac2065f9ac9fe727e9bad0946f9a7192d73c422a2a37