[INFO] cloning repository https://github.com/aljo242/rust_crash_course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aljo242/rust_crash_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faljo242%2Frust_crash_course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faljo242%2Frust_crash_course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 062271f1374af93ed748d8063c26e711acf6cd1d
[INFO] testing aljo242/rust_crash_course against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faljo242%2Frust_crash_course" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aljo242/rust_crash_course 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] started tweaking git repo https://github.com/aljo242/rust_crash_course
[INFO] finished tweaking git repo https://github.com/aljo242/rust_crash_course
[INFO] tweaked toml for git repo https://github.com/aljo242/rust_crash_course written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/aljo242/rust_crash_course 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d3e26c081056b5360d2562cea0409e9635b66c9bb0eb2bf7ac8159052515703e
[INFO] running `Command { std: "docker" "start" "-a" "d3e26c081056b5360d2562cea0409e9635b66c9bb0eb2bf7ac8159052515703e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e26c081056b5360d2562cea0409e9635b66c9bb0eb2bf7ac8159052515703e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e26c081056b5360d2562cea0409e9635b66c9bb0eb2bf7ac8159052515703e", kill_on_drop: false }`
[INFO] [stdout] d3e26c081056b5360d2562cea0409e9635b66c9bb0eb2bf7ac8159052515703e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cc83e5a01c8af1465fcd7787bbbc890af70db0c4fc2caecce30eea6d6051d3e2
[INFO] running `Command { std: "docker" "start" "-a" "cc83e5a01c8af1465fcd7787bbbc890af70db0c4fc2caecce30eea6d6051d3e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p_from_tup`
[INFO] [stdout]   --> src/structs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let p_from_tup = p.to_tuple();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_from_tup`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.88s
[INFO] running `Command { std: "docker" "inspect" "cc83e5a01c8af1465fcd7787bbbc890af70db0c4fc2caecce30eea6d6051d3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc83e5a01c8af1465fcd7787bbbc890af70db0c4fc2caecce30eea6d6051d3e2", kill_on_drop: false }`
[INFO] [stdout] cc83e5a01c8af1465fcd7787bbbc890af70db0c4fc2caecce30eea6d6051d3e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1d15357043a4168eb5c2b12e326906fbf0006a7b49603293850c412896e1f5fc
[INFO] running `Command { std: "docker" "start" "-a" "1d15357043a4168eb5c2b12e326906fbf0006a7b49603293850c412896e1f5fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p_from_tup`
[INFO] [stdout]   --> src/structs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let p_from_tup = p.to_tuple();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_from_tup`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "1d15357043a4168eb5c2b12e326906fbf0006a7b49603293850c412896e1f5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d15357043a4168eb5c2b12e326906fbf0006a7b49603293850c412896e1f5fc", kill_on_drop: false }`
[INFO] [stdout] 1d15357043a4168eb5c2b12e326906fbf0006a7b49603293850c412896e1f5fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f618024dfd0c8dfde7dd18618177e69e4fb2786cc2645c4dd39061bb629936ff
[INFO] running `Command { std: "docker" "start" "-a" "f618024dfd0c8dfde7dd18618177e69e4fb2786cc2645c4dd39061bb629936ff", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `p_from_tup`
[INFO] [stderr]   --> src/structs.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let p_from_tup = p.to_tuple();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_from_tup`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_crash_course` (bin "rust_crash_course" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-5fcf7e61fe854d11)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f618024dfd0c8dfde7dd18618177e69e4fb2786cc2645c4dd39061bb629936ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f618024dfd0c8dfde7dd18618177e69e4fb2786cc2645c4dd39061bb629936ff", kill_on_drop: false }`
[INFO] [stdout] f618024dfd0c8dfde7dd18618177e69e4fb2786cc2645c4dd39061bb629936ff