[INFO] cloning repository https://github.com/Xx-xXXxX/wacky_traits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xx-xXXxX/wacky_traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXx-xXXxX%2Fwacky_traits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXx-xXXxX%2Fwacky_traits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a47b6b71b1eb4679deb9039d9c324714347e9bee [INFO] checking Xx-xXXxX/wacky_traits/a47b6b71b1eb4679deb9039d9c324714347e9bee against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXx-xXXxX%2Fwacky_traits" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xx-xXXxX/wacky_traits on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xx-xXXxX/wacky_traits [INFO] finished tweaking git repo https://github.com/Xx-xXXxX/wacky_traits [INFO] tweaked toml for git repo https://github.com/Xx-xXXxX/wacky_traits written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Xx-xXXxX/wacky_traits 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0ab52b40f58feaa2f961e79fcf548d4e30cfe449a7f37a6692998432a2d41fb [INFO] running `Command { std: "docker" "start" "-a" "f0ab52b40f58feaa2f961e79fcf548d4e30cfe449a7f37a6692998432a2d41fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0ab52b40f58feaa2f961e79fcf548d4e30cfe449a7f37a6692998432a2d41fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0ab52b40f58feaa2f961e79fcf548d4e30cfe449a7f37a6692998432a2d41fb", kill_on_drop: false }` [INFO] [stdout] f0ab52b40f58feaa2f961e79fcf548d4e30cfe449a7f37a6692998432a2d41fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c882572e6ded0cec4c2ecf9b47f3fef07d3297c5a774c99af7347488a2f6aa9 [INFO] running `Command { std: "docker" "start" "-a" "7c882572e6ded0cec4c2ecf9b47f3fef07d3297c5a774c99af7347488a2f6aa9", kill_on_drop: false }` [INFO] [stderr] Checking wacky_traits v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/collectors.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | fn collect(mut self,value:Input,next:Next)->(>::Output,Self) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/collectors.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | fn collect(mut self,value:Input,next:Next)->(>::Output,Self) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "7c882572e6ded0cec4c2ecf9b47f3fef07d3297c5a774c99af7347488a2f6aa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c882572e6ded0cec4c2ecf9b47f3fef07d3297c5a774c99af7347488a2f6aa9", kill_on_drop: false }` [INFO] [stdout] 7c882572e6ded0cec4c2ecf9b47f3fef07d3297c5a774c99af7347488a2f6aa9