[INFO] fetching crate convert-byte-size-string 1.1.2...
[INFO] checking convert-byte-size-string-1.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate convert-byte-size-string 1.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate convert-byte-size-string 1.1.2
[INFO] finished tweaking crates.io crate convert-byte-size-string 1.1.2
[INFO] tweaked toml for crates.io crate convert-byte-size-string 1.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate convert-byte-size-string 1.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19eb15ad994e33c36bd7dd6b9f8f8cbb0b5b985336b09d2def2843168b25c926
[INFO] running `Command { std: "docker" "start" "-a" "19eb15ad994e33c36bd7dd6b9f8f8cbb0b5b985336b09d2def2843168b25c926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19eb15ad994e33c36bd7dd6b9f8f8cbb0b5b985336b09d2def2843168b25c926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19eb15ad994e33c36bd7dd6b9f8f8cbb0b5b985336b09d2def2843168b25c926", kill_on_drop: false }`
[INFO] [stdout] 19eb15ad994e33c36bd7dd6b9f8f8cbb0b5b985336b09d2def2843168b25c926
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c9aaa51c8132c54932eb01090c8c1c9e4559689168dc971c366c19ec51339f
[INFO] running `Command { std: "docker" "start" "-a" "f6c9aaa51c8132c54932eb01090c8c1c9e4559689168dc971c366c19ec51339f", kill_on_drop: false }`
[INFO] [stderr]     Checking convert-byte-size-string v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:131:54
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Err(ConversionError::InputInvalid(_)) => (return),
[INFO] [stdout]     |                                                      ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -             Err(ConversionError::InputInvalid(_)) => (return),
[INFO] [stdout] 131 +             Err(ConversionError::InputInvalid(_)) => return,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f6c9aaa51c8132c54932eb01090c8c1c9e4559689168dc971c366c19ec51339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c9aaa51c8132c54932eb01090c8c1c9e4559689168dc971c366c19ec51339f", kill_on_drop: false }`
[INFO] [stdout] f6c9aaa51c8132c54932eb01090c8c1c9e4559689168dc971c366c19ec51339f