[INFO] cloning repository https://github.com/Suns627/My-rust-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Suns627/My-rust-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuns627%2FMy-rust-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuns627%2FMy-rust-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3608daec1e8ff70e683eba729d5948f20df3aab5
[INFO] checking Suns627/My-rust-lib against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuns627%2FMy-rust-lib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Suns627/My-rust-lib
[INFO] finished tweaking git repo https://github.com/Suns627/My-rust-lib
[INFO] tweaked toml for git repo https://github.com/Suns627/My-rust-lib written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Suns627/My-rust-lib on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Suns627/My-rust-lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 383b5d3d2262ad70047a800057095f2bbb0f36820d26092ba17fd5beacef7944
[INFO] running `Command { std: "docker" "start" "-a" "383b5d3d2262ad70047a800057095f2bbb0f36820d26092ba17fd5beacef7944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383b5d3d2262ad70047a800057095f2bbb0f36820d26092ba17fd5beacef7944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383b5d3d2262ad70047a800057095f2bbb0f36820d26092ba17fd5beacef7944", kill_on_drop: false }`
[INFO] [stdout] 383b5d3d2262ad70047a800057095f2bbb0f36820d26092ba17fd5beacef7944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51d72492706f80dd6b00ceb15b62af7a7c320bbd2fca1f12425a115a672d8b84
[INFO] running `Command { std: "docker" "start" "-a" "51d72492706f80dd6b00ceb15b62af7a7c320bbd2fca1f12425a115a672d8b84", kill_on_drop: false }`
[INFO] [stderr]     Checking maths_function v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `side_length`
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let side_length = 2.0 * max_radius * (PI / num_sides as f64).sin();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_side_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `side_length`
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let side_length = 2.0 * max_radius * (PI / num_sides as f64).sin();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_side_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "51d72492706f80dd6b00ceb15b62af7a7c320bbd2fca1f12425a115a672d8b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d72492706f80dd6b00ceb15b62af7a7c320bbd2fca1f12425a115a672d8b84", kill_on_drop: false }`
[INFO] [stdout] 51d72492706f80dd6b00ceb15b62af7a7c320bbd2fca1f12425a115a672d8b84