[INFO] fetching crate tuix_widgets 0.2.0...
[INFO] checking tuix_widgets-0.2.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate tuix_widgets 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tuix_widgets 0.2.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuix_widgets 0.2.0
[INFO] finished tweaking crates.io crate tuix_widgets 0.2.0
[INFO] tweaked toml for crates.io crate tuix_widgets 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 40f7fd4d38a0ca1f68d2082d48393417e5a7814db01b5fcd48f04454134c6c8f
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[INFO] running `Command { std: "docker" "inspect" "40f7fd4d38a0ca1f68d2082d48393417e5a7814db01b5fcd48f04454134c6c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f7fd4d38a0ca1f68d2082d48393417e5a7814db01b5fcd48f04454134c6c8f", kill_on_drop: false }`
[INFO] [stdout] 40f7fd4d38a0ca1f68d2082d48393417e5a7814db01b5fcd48f04454134c6c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60bbd9bcbca53996aa622275fa394038e251a0de1c2d53543a8cb5a09a9a0c68
[INFO] running `Command { std: "docker" "start" "-a" "60bbd9bcbca53996aa622275fa394038e251a0de1c2d53543a8cb5a09a9a0c68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] warning: field `span_recip` is never read
[INFO] [stdout]   --> src/audio_widgets/normalized_map.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct GenericMap {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     span_recip: f32, // Small optimization to avoid division operations.
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericMap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span_recip` is never read
[INFO] [stdout]   --> src/audio_widgets/normalized_map.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct GenericMap {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     span_recip: f32, // Small optimization to avoid division operations.
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericMap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.96s
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[INFO] running `Command { std: "docker" "rm" "-f" "60bbd9bcbca53996aa622275fa394038e251a0de1c2d53543a8cb5a09a9a0c68", kill_on_drop: false }`
[INFO] [stdout] 60bbd9bcbca53996aa622275fa394038e251a0de1c2d53543a8cb5a09a9a0c68