[INFO] cloning repository https://github.com/MarcusKlik/rust_template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcusKlik/rust_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusKlik%2Frust_template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusKlik%2Frust_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74286674d61ea4bd460899b4aa25e529efd107e2
[INFO] testing MarcusKlik/rust_template against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcusKlik%2Frust_template" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcusKlik/rust_template on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcusKlik/rust_template
[INFO] finished tweaking git repo https://github.com/MarcusKlik/rust_template
[INFO] tweaked toml for git repo https://github.com/MarcusKlik/rust_template written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcusKlik/rust_template already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 303bb3196c883632a8f85f25c36b051293910203928e0b9a026fa9241428cd8d
[INFO] running `Command { std: "docker" "start" "-a" "303bb3196c883632a8f85f25c36b051293910203928e0b9a026fa9241428cd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "303bb3196c883632a8f85f25c36b051293910203928e0b9a026fa9241428cd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303bb3196c883632a8f85f25c36b051293910203928e0b9a026fa9241428cd8d", kill_on_drop: false }`
[INFO] [stdout] 303bb3196c883632a8f85f25c36b051293910203928e0b9a026fa9241428cd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a6d6f5f6361ade391ebe4159c825438ba43d0b2868a0f5c53857b0cc2eba434
[INFO] running `Command { std: "docker" "start" "-a" "8a6d6f5f6361ade391ebe4159c825438ba43d0b2868a0f5c53857b0cc2eba434", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/multiple_threads.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let result = res.join();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a6d6f5f6361ade391ebe4159c825438ba43d0b2868a0f5c53857b0cc2eba434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6d6f5f6361ade391ebe4159c825438ba43d0b2868a0f5c53857b0cc2eba434", kill_on_drop: false }`
[INFO] [stdout] 8a6d6f5f6361ade391ebe4159c825438ba43d0b2868a0f5c53857b0cc2eba434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf3acb4cbd81924fc792edf55d71af941155eb2bf50a7dfc6dd91b395d09788
[INFO] running `Command { std: "docker" "start" "-a" "ddf3acb4cbd81924fc792edf55d71af941155eb2bf50a7dfc6dd91b395d09788", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/multiple_threads.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let result = res.join();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddf3acb4cbd81924fc792edf55d71af941155eb2bf50a7dfc6dd91b395d09788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf3acb4cbd81924fc792edf55d71af941155eb2bf50a7dfc6dd91b395d09788", kill_on_drop: false }`
[INFO] [stdout] ddf3acb4cbd81924fc792edf55d71af941155eb2bf50a7dfc6dd91b395d09788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69f47917d0767ecfe8beb8a66aca9429b4f96efffd170f349dcff3c35e5e4f4e
[INFO] running `Command { std: "docker" "start" "-a" "69f47917d0767ecfe8beb8a66aca9429b4f96efffd170f349dcff3c35e5e4f4e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/multiple_threads.rs:18:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 18 |     let result = res.join();
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_template` (bin "rust_template" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_template-0a7a65d4db0ad96d)
[INFO] running `Command { std: "docker" "inspect" "69f47917d0767ecfe8beb8a66aca9429b4f96efffd170f349dcff3c35e5e4f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f47917d0767ecfe8beb8a66aca9429b4f96efffd170f349dcff3c35e5e4f4e", kill_on_drop: false }`
[INFO] [stdout] 69f47917d0767ecfe8beb8a66aca9429b4f96efffd170f349dcff3c35e5e4f4e