[INFO] fetching crate backspace 0.1.0...
[INFO] checking backspace-0.1.0 against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] extracting crate backspace 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate backspace 0.1.0
[INFO] finished tweaking crates.io crate backspace 0.1.0
[INFO] tweaked toml for crates.io crate backspace 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate backspace 0.1.0 on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backspace 0.1.0 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132
[INFO] running `Command { std: "docker" "start" "458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking cfg-if v1.0.3
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[INFO] [stderr]     Checking smallvec v1.15.1
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[INFO] [stderr]    Compiling cc v1.2.41
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[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling wayland-client v0.31.11
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking polylane v0.12.0
[INFO] [stderr]     Checking backspace-common v0.1.0
[INFO] [stderr]     Checking wayland-protocols-wlr v0.3.9
[INFO] [stderr]     Checking wayland-protocols-plasma v0.3.9
[INFO] [stderr]     Checking sctk-adwaita v0.10.1
[INFO] [stderr]     Checking x11rb v0.13.2
[INFO] [stderr]     Checking wgpu-core-deps-windows-linux-android v27.0.0
[INFO] [stderr]     Checking backspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `app_id` is never read
[INFO] [stdout]   --> src/engine/engine/mod.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 31 |     /// The application identifier.
[INFO] [stdout] 32 |     pub(super) app_id: Box<str>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Engine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/engine/graphics/mod.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Init(InitGraphics),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Graphics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Init(InitGraphics),
[INFO] [stdout] 35 +     Init(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `window` is never read
[INFO] [stdout]   --> src/engine/init_graphics/mod.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(super) struct InitGraphics {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 31 |     /// The main window.
[INFO] [stdout] 32 |     window: Window,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InitGraphics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `app_id` is never read
[INFO] [stdout]   --> src/engine/engine/mod.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 31 |     /// The application identifier.
[INFO] [stdout] 32 |     pub(super) app_id: Box<str>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Engine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/engine/graphics/mod.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Init(InitGraphics),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Graphics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Init(InitGraphics),
[INFO] [stdout] 35 +     Init(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `window` is never read
[INFO] [stdout]   --> src/engine/init_graphics/mod.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(super) struct InitGraphics {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 31 |     /// The main window.
[INFO] [stdout] 32 |     window: Window,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InitGraphics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132", kill_on_drop: false }`
[INFO] [stdout] 458d5a09ea45e9dbcaea4a22e37ef56afd4c37d708ec463a342cc1b009617132
