[INFO] cloning repository https://github.com/JohanLorenzo/rust-testing-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohanLorenzo/rust-testing-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanLorenzo%2Frust-testing-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanLorenzo%2Frust-testing-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 757bdbf3887f43db9771c20cb72dfc32aa8f4321
[INFO] testing JohanLorenzo/rust-testing-example against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanLorenzo%2Frust-testing-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohanLorenzo/rust-testing-example on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b4469229e2672b2bc1b0edb4fbab9af69f96a1b49d4b8e78ed86e8eb4c8730
[INFO] running `Command { std: "docker" "start" "-a" "e0b4469229e2672b2bc1b0edb4fbab9af69f96a1b49d4b8e78ed86e8eb4c8730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b4469229e2672b2bc1b0edb4fbab9af69f96a1b49d4b8e78ed86e8eb4c8730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b4469229e2672b2bc1b0edb4fbab9af69f96a1b49d4b8e78ed86e8eb4c8730", kill_on_drop: false }`
[INFO] [stdout] e0b4469229e2672b2bc1b0edb4fbab9af69f96a1b49d4b8e78ed86e8eb4c8730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0389da25d2b9b9014ea8681e018cd76df4694abb2d1b1c1f2216b8c255772b8
[INFO] running `Command { std: "docker" "start" "-a" "b0389da25d2b9b9014ea8681e018cd76df4694abb2d1b1c1f2216b8c255772b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-testing-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `unused_function`
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn unused_function() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.76s
[INFO] running `Command { std: "docker" "inspect" "b0389da25d2b9b9014ea8681e018cd76df4694abb2d1b1c1f2216b8c255772b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0389da25d2b9b9014ea8681e018cd76df4694abb2d1b1c1f2216b8c255772b8", kill_on_drop: false }`
[INFO] [stdout] b0389da25d2b9b9014ea8681e018cd76df4694abb2d1b1c1f2216b8c255772b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87014cd5f2642e125cf22fe5d5a5098c63940a0fbb9a7b5fe237411f26006ae
[INFO] running `Command { std: "docker" "start" "-a" "e87014cd5f2642e125cf22fe5d5a5098c63940a0fbb9a7b5fe237411f26006ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-testing-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `unused_function`
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn unused_function() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e87014cd5f2642e125cf22fe5d5a5098c63940a0fbb9a7b5fe237411f26006ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87014cd5f2642e125cf22fe5d5a5098c63940a0fbb9a7b5fe237411f26006ae", kill_on_drop: false }`
[INFO] [stdout] e87014cd5f2642e125cf22fe5d5a5098c63940a0fbb9a7b5fe237411f26006ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1f413af851fceca0fece6f5455762938c9f0bd0f26f55935d5a31a98810e6c9
[INFO] running `Command { std: "docker" "start" "-a" "c1f413af851fceca0fece6f5455762938c9f0bd0f26f55935d5a31a98810e6c9", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `unused_function`
[INFO] [stderr]  --> src/main.rs:7:4
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_testing_example-b10f7267eaf4328f)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1f413af851fceca0fece6f5455762938c9f0bd0f26f55935d5a31a98810e6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f413af851fceca0fece6f5455762938c9f0bd0f26f55935d5a31a98810e6c9", kill_on_drop: false }`
[INFO] [stdout] c1f413af851fceca0fece6f5455762938c9f0bd0f26f55935d5a31a98810e6c9