[INFO] cloning repository https://github.com/NattapongSiri/permutator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NattapongSiri/permutator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fpermutator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fpermutator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c192343f507182fc4634e8ea6695f781a5688f16
[INFO] checking NattapongSiri/permutator against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fpermutator" "/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/NattapongSiri/permutator on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NattapongSiri/permutator
[INFO] finished tweaking git repo https://github.com/NattapongSiri/permutator
[INFO] tweaked toml for git repo https://github.com/NattapongSiri/permutator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/NattapongSiri/permutator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5b1ad7e38c15ad54156d7b30ae1e16a85d33e3ab357ee5b373484642bff465
[INFO] running `Command { std: "docker" "start" "-a" "9a5b1ad7e38c15ad54156d7b30ae1e16a85d33e3ab357ee5b373484642bff465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5b1ad7e38c15ad54156d7b30ae1e16a85d33e3ab357ee5b373484642bff465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5b1ad7e38c15ad54156d7b30ae1e16a85d33e3ab357ee5b373484642bff465", kill_on_drop: false }`
[INFO] [stdout] 9a5b1ad7e38c15ad54156d7b30ae1e16a85d33e3ab357ee5b373484642bff465
[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=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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c058be7e2e1cb52cf8d1e0cd0f922fe75d7e1d1d7bcd2e22f1d6fce5ad04eb75
[INFO] running `Command { std: "docker" "start" "-a" "c058be7e2e1cb52cf8d1e0cd0f922fe75d7e1d1d7bcd2e22f1d6fce5ad04eb75", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking permutator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/lib.rs:2292:6
[INFO] [stdout]      |
[INFO] [stdout] 2292 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/lib.rs:2292:6
[INFO] [stdout]      |
[INFO] [stdout] 2292 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/copy/mod.rs:3047:5
[INFO] [stdout]      |
[INFO] [stdout] 3047 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/copy/mod.rs:3157:5
[INFO] [stdout]      |
[INFO] [stdout] 3157 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/copy/mod.rs:3280:5
[INFO] [stdout]      |
[INFO] [stdout] 3280 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/lib.rs:3747:5
[INFO] [stdout]      |
[INFO] [stdout] 3747 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/lib.rs:3856:5
[INFO] [stdout]      |
[INFO] [stdout] 3856 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/lib.rs:3978:5
[INFO] [stdout]      |
[INFO] [stdout] 3978 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/copy/mod.rs:3047:5
[INFO] [stdout]      |
[INFO] [stdout] 3047 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/copy/mod.rs:3157:5
[INFO] [stdout]      |
[INFO] [stdout] 3157 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/copy/mod.rs:3280:5
[INFO] [stdout]      |
[INFO] [stdout] 3280 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/lib.rs:3747:5
[INFO] [stdout]      |
[INFO] [stdout] 3747 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/lib.rs:3856:5
[INFO] [stdout]      |
[INFO] [stdout] 3856 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]     --> src/lib.rs:3978:5
[INFO] [stdout]      |
[INFO] [stdout] 3978 |     i : usize, // slot index being mutate.
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "c058be7e2e1cb52cf8d1e0cd0f922fe75d7e1d1d7bcd2e22f1d6fce5ad04eb75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c058be7e2e1cb52cf8d1e0cd0f922fe75d7e1d1d7bcd2e22f1d6fce5ad04eb75", kill_on_drop: false }`
[INFO] [stdout] c058be7e2e1cb52cf8d1e0cd0f922fe75d7e1d1d7bcd2e22f1d6fce5ad04eb75