[INFO] updating cached repository https://github.com/JohanLorenzo/rust-testing-example
[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] 757bdbf3887f43db9771c20cb72dfc32aa8f4321
[INFO] testing JohanLorenzo/rust-testing-example against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanLorenzo%2Frust-testing-example" "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/JohanLorenzo/rust-testing-example 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/JohanLorenzo/rust-testing-example
[INFO] finished tweaking git repo https://github.com/JohanLorenzo/rust-testing-example
[INFO] tweaked toml for git repo https://github.com/JohanLorenzo/rust-testing-example written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JohanLorenzo/rust-testing-example 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]     Blocking waiting for file lock on package cache
[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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 69eeb991797c85ca9519f82a42239d5b8943a3b7a3ce18459596ee61aa4866c6
[INFO] running `"docker" "start" "-a" "69eeb991797c85ca9519f82a42239d5b8943a3b7a3ce18459596ee61aa4866c6"`
[INFO] [stderr]    Compiling rust-testing-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `unused_function`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn unused_function() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "69eeb991797c85ca9519f82a42239d5b8943a3b7a3ce18459596ee61aa4866c6"`
[INFO] running `"docker" "rm" "-f" "69eeb991797c85ca9519f82a42239d5b8943a3b7a3ce18459596ee61aa4866c6"`
[INFO] [stdout] 69eeb991797c85ca9519f82a42239d5b8943a3b7a3ce18459596ee61aa4866c6
[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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba7e17b30bc7db4680abfeccdc67d96906d91020f6e30459150abe1419b3f47c
[INFO] running `"docker" "start" "-a" "ba7e17b30bc7db4680abfeccdc67d96906d91020f6e30459150abe1419b3f47c"`
[INFO] [stderr]    Compiling rust-testing-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `unused_function`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn unused_function() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "ba7e17b30bc7db4680abfeccdc67d96906d91020f6e30459150abe1419b3f47c"`
[INFO] running `"docker" "rm" "-f" "ba7e17b30bc7db4680abfeccdc67d96906d91020f6e30459150abe1419b3f47c"`
[INFO] [stdout] ba7e17b30bc7db4680abfeccdc67d96906d91020f6e30459150abe1419b3f47c
[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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 5686e706508cda7ae41bbbd9e69654ed4a75a6a1ccd730a86cc01e0cf1db8069
[INFO] running `"docker" "start" "-a" "5686e706508cda7ae41bbbd9e69654ed4a75a6a1ccd730a86cc01e0cf1db8069"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_testing_example-cdf3caa10e4cd8aa
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_should_add_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5686e706508cda7ae41bbbd9e69654ed4a75a6a1ccd730a86cc01e0cf1db8069"`
[INFO] running `"docker" "rm" "-f" "5686e706508cda7ae41bbbd9e69654ed4a75a6a1ccd730a86cc01e0cf1db8069"`
[INFO] [stdout] 5686e706508cda7ae41bbbd9e69654ed4a75a6a1ccd730a86cc01e0cf1db8069