[INFO] fetching crate umcan 0.2.0...
[INFO] checking umcan-0.2.0 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate umcan 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate umcan 0.2.0
[INFO] finished tweaking crates.io crate umcan 0.2.0
[INFO] tweaked toml for crates.io crate umcan 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate umcan 0.2.0 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate umcan 0.2.0 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binrw_derive v0.11.2
[INFO] [stderr]   Downloaded byte_conv v0.1.1
[INFO] [stderr]   Downloaded binrw v0.11.2
[INFO] [stderr]   Downloaded embedded-can v0.4.1
[INFO] [stderr]   Downloaded socketcan v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b7ab1a566959a419df7177374cebd8e19710fbdb72b80f569c13e8e98b7e2e
[INFO] running `Command { std: "docker" "start" "-a" "90b7ab1a566959a419df7177374cebd8e19710fbdb72b80f569c13e8e98b7e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b7ab1a566959a419df7177374cebd8e19710fbdb72b80f569c13e8e98b7e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b7ab1a566959a419df7177374cebd8e19710fbdb72b80f569c13e8e98b7e2e", kill_on_drop: false }`
[INFO] [stdout] 90b7ab1a566959a419df7177374cebd8e19710fbdb72b80f569c13e8e98b7e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 814f2c3e7762ab8c9c91302bcbf2874726f2377a1f20f7dd6f710c053dce4405
[INFO] running `Command { std: "docker" "start" "-a" "814f2c3e7762ab8c9c91302bcbf2874726f2377a1f20f7dd6f710c053dce4405", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling binrw_derive v0.11.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling binrw v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking byte_conv v0.1.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.4
[INFO] [stderr]     Checking socketcan v2.0.0
[INFO] [stderr]     Checking umcan v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     #[br(map(|x: u8| ((x as i16) - 50)))]
[INFO] [stdout]    |                      ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     #[br(map(|x: u8| ((x as i16) - 50)))]
[INFO] [stdout] 16 +     #[br(map(|x: u8| (x as i16) - 50))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     #[br(map(|x: u8| ((x as i16) - 50)))]
[INFO] [stdout]    |                      ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     #[br(map(|x: u8| ((x as i16) - 50)))]
[INFO] [stdout] 16 +     #[br(map(|x: u8| (x as i16) - 50))]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.34s
[INFO] running `Command { std: "docker" "inspect" "814f2c3e7762ab8c9c91302bcbf2874726f2377a1f20f7dd6f710c053dce4405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814f2c3e7762ab8c9c91302bcbf2874726f2377a1f20f7dd6f710c053dce4405", kill_on_drop: false }`
[INFO] [stdout] 814f2c3e7762ab8c9c91302bcbf2874726f2377a1f20f7dd6f710c053dce4405