[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 1.38.0 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-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohanLorenzo/rust-testing-example 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/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-0/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" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] c4a8e298c347b78f35c0e13e22470b61be893bc1b1f5c2eab76518a5e5a06643
[INFO] running `"docker" "start" "-a" "c4a8e298c347b78f35c0e13e22470b61be893bc1b1f5c2eab76518a5e5a06643"`
[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" "c4a8e298c347b78f35c0e13e22470b61be893bc1b1f5c2eab76518a5e5a06643"`
[INFO] running `"docker" "rm" "-f" "c4a8e298c347b78f35c0e13e22470b61be893bc1b1f5c2eab76518a5e5a06643"`
[INFO] [stdout] c4a8e298c347b78f35c0e13e22470b61be893bc1b1f5c2eab76518a5e5a06643
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] d4db6ed4b487ce3c11c2ea258a15b67c0b349f6baf2e0c93ece16e10ca7f857d
[INFO] running `"docker" "start" "-a" "d4db6ed4b487ce3c11c2ea258a15b67c0b349f6baf2e0c93ece16e10ca7f857d"`
[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 0.39s
[INFO] running `"docker" "inspect" "d4db6ed4b487ce3c11c2ea258a15b67c0b349f6baf2e0c93ece16e10ca7f857d"`
[INFO] running `"docker" "rm" "-f" "d4db6ed4b487ce3c11c2ea258a15b67c0b349f6baf2e0c93ece16e10ca7f857d"`
[INFO] [stdout] d4db6ed4b487ce3c11c2ea258a15b67c0b349f6baf2e0c93ece16e10ca7f857d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 096f3ddf71bafbe0da9a861a7fe878d167439682c1647fa93533a332e0343c7c
[INFO] running `"docker" "start" "-a" "096f3ddf71bafbe0da9a861a7fe878d167439682c1647fa93533a332e0343c7c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_testing_example-73f779b1496ead5a
[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" "096f3ddf71bafbe0da9a861a7fe878d167439682c1647fa93533a332e0343c7c"`
[INFO] running `"docker" "rm" "-f" "096f3ddf71bafbe0da9a861a7fe878d167439682c1647fa93533a332e0343c7c"`
[INFO] [stdout] 096f3ddf71bafbe0da9a861a7fe878d167439682c1647fa93533a332e0343c7c