[INFO] fetching crate leftwm-core 0.5.4...
[INFO] checking leftwm-core-0.5.4 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate leftwm-core 0.5.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate leftwm-core 0.5.4
[INFO] finished tweaking crates.io crate leftwm-core 0.5.4
[INFO] tweaked toml for crates.io crate leftwm-core 0.5.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leftwm-core 0.5.4 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate leftwm-core 0.5.4 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3f85b450a5deb5c90ab3e674c7ab01e077b849335312bf5591db29090dc8b81
[INFO] running `Command { std: "docker" "start" "-a" "a3f85b450a5deb5c90ab3e674c7ab01e077b849335312bf5591db29090dc8b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f85b450a5deb5c90ab3e674c7ab01e077b849335312bf5591db29090dc8b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f85b450a5deb5c90ab3e674c7ab01e077b849335312bf5591db29090dc8b81", kill_on_drop: false }`
[INFO] [stdout] a3f85b450a5deb5c90ab3e674c7ab01e077b849335312bf5591db29090dc8b81
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940fbd549e1ee04eef4de27fbf5b0074c840b6c2069ed4e090559098ee14d6a8
[INFO] running `Command { std: "docker" "start" "-a" "940fbd549e1ee04eef4de27fbf5b0074c840b6c2069ed4e090559098ee14d6a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking getrandom v0.3.1
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking tempfile v3.16.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking leftwm-layouts v0.9.1
[INFO] [stderr]     Checking leftwm-core v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> src/event_loop.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> src/event_loop.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ParseLayoutError` is never constructed
[INFO] [stdout]   --> src/layouts.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ParseLayoutError(String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leftwm-core` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `ParseLayoutError` is never constructed
[INFO] [stdout]   --> src/layouts.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ParseLayoutError(String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leftwm-core` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "940fbd549e1ee04eef4de27fbf5b0074c840b6c2069ed4e090559098ee14d6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940fbd549e1ee04eef4de27fbf5b0074c840b6c2069ed4e090559098ee14d6a8", kill_on_drop: false }`
[INFO] [stdout] 940fbd549e1ee04eef4de27fbf5b0074c840b6c2069ed4e090559098ee14d6a8
