[INFO] cloning repository https://github.com/dfschwabe/hellorust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfschwabe/hellorust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfschwabe%2Fhellorust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfschwabe%2Fhellorust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0436db2e93b85e14062da6423489601fbda73f8e
[INFO] testing dfschwabe/hellorust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfschwabe%2Fhellorust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dfschwabe/hellorust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dfschwabe/hellorust
[INFO] finished tweaking git repo https://github.com/dfschwabe/hellorust
[INFO] tweaked toml for git repo https://github.com/dfschwabe/hellorust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dfschwabe/hellorust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c563b3abd7d87639500f96688c9a2b7031dfe54f7928ea83a471f0a39e2806a2
[INFO] running `Command { std: "docker" "start" "-a" "c563b3abd7d87639500f96688c9a2b7031dfe54f7928ea83a471f0a39e2806a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c563b3abd7d87639500f96688c9a2b7031dfe54f7928ea83a471f0a39e2806a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c563b3abd7d87639500f96688c9a2b7031dfe54f7928ea83a471f0a39e2806a2", kill_on_drop: false }`
[INFO] [stdout] c563b3abd7d87639500f96688c9a2b7031dfe54f7928ea83a471f0a39e2806a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55e45c54e98dc9be93a14b7b0cc2e59989291fe02537a93352bafba2a10bdca
[INFO] running `Command { std: "docker" "start" "-a" "b55e45c54e98dc9be93a14b7b0cc2e59989291fe02537a93352bafba2a10bdca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling hellorust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.36s
[INFO] running `Command { std: "docker" "inspect" "b55e45c54e98dc9be93a14b7b0cc2e59989291fe02537a93352bafba2a10bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55e45c54e98dc9be93a14b7b0cc2e59989291fe02537a93352bafba2a10bdca", kill_on_drop: false }`
[INFO] [stdout] b55e45c54e98dc9be93a14b7b0cc2e59989291fe02537a93352bafba2a10bdca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 211fc97e8173bb595d3833a73a1d92f71b23fde8e131077afefb73f58936eeff
[INFO] running `Command { std: "docker" "start" "-a" "211fc97e8173bb595d3833a73a1d92f71b23fde8e131077afefb73f58936eeff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling mockall_derive v0.6.0
[INFO] [stderr]    Compiling mockall v0.6.0
[INFO] [stderr]    Compiling hellorust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]  --> src/shapes.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg_attr(test, mockall::automock)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]   = note: this warning originates in the attribute macro `mockall::automock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]  --> src/shapes.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg_attr(test, mockall::automock)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]   = note: this warning originates in the attribute macro `mockall::automock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.16s
[INFO] running `Command { std: "docker" "inspect" "211fc97e8173bb595d3833a73a1d92f71b23fde8e131077afefb73f58936eeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211fc97e8173bb595d3833a73a1d92f71b23fde8e131077afefb73f58936eeff", kill_on_drop: false }`
[INFO] [stdout] 211fc97e8173bb595d3833a73a1d92f71b23fde8e131077afefb73f58936eeff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 937c6e5b194dbbedcbc552f9100b2546a4bc1fa1a845fdea91624b5ceceeda39
[INFO] running `Command { std: "docker" "start" "-a" "937c6e5b194dbbedcbc552f9100b2546a4bc1fa1a845fdea91624b5ceceeda39", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout] running 4 tests
[INFO] [stderr]  --> src/shapes.rs:5:18
[INFO] [stdout] test shapes::tests::test_area ... ok
[INFO] [stderr]   |
[INFO] [stdout] test shapes::tests::area_doesnt_overflow ... ok
[INFO] [stderr] 5 | #[cfg_attr(test, mockall::automock)]
[INFO] [stdout] test shapes::tests::test_spec ... ok
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] test formatter::tests::test_format ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]   = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stderr]   = note: this warning originates in the attribute macro `mockall::automock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]  --> src/shapes.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[cfg_attr(test, mockall::automock)]
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]   = note: this warning originates in the attribute macro `mockall::automock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `hellorust` (bin "hellorust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hellorust-7cd9d658eeae1f18)
[INFO] running `Command { std: "docker" "inspect" "937c6e5b194dbbedcbc552f9100b2546a4bc1fa1a845fdea91624b5ceceeda39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937c6e5b194dbbedcbc552f9100b2546a4bc1fa1a845fdea91624b5ceceeda39", kill_on_drop: false }`
[INFO] [stdout] 937c6e5b194dbbedcbc552f9100b2546a4bc1fa1a845fdea91624b5ceceeda39