[INFO] fetching crate mouce 0.2.43...
[INFO] checking mouce-0.2.43 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mouce 0.2.43 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mouce 0.2.43 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mouce 0.2.43
[INFO] finished tweaking crates.io crate mouce 0.2.43
[INFO] tweaked toml for crates.io crate mouce 0.2.43 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate mouce 0.2.43 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87ebf62d5f5befc5b939d179ebcfe64fd5094ce340fb438140360786eebc67b0
[INFO] running `Command { std: "docker" "start" "-a" "87ebf62d5f5befc5b939d179ebcfe64fd5094ce340fb438140360786eebc67b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87ebf62d5f5befc5b939d179ebcfe64fd5094ce340fb438140360786eebc67b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ebf62d5f5befc5b939d179ebcfe64fd5094ce340fb438140360786eebc67b0", kill_on_drop: false }`
[INFO] [stdout] 87ebf62d5f5befc5b939d179ebcfe64fd5094ce340fb438140360786eebc67b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b987e5bb72787fb96ae1a30626a65c3a1be1de527dfc9b914d50f1f8f11e4e3f
[INFO] running `Command { std: "docker" "start" "-a" "b987e5bb72787fb96ae1a30626a65c3a1be1de527dfc9b914d50f1f8f11e4e3f", kill_on_drop: false }`
[INFO] [stderr]     Checking mouce v0.2.43 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `XEvent` is never constructed
[INFO] [stdout]    --> src/nix/x11.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | struct XEvent {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XButtonEvent` is never constructed
[INFO] [stdout]    --> src/nix/x11.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | struct XButtonEvent {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XEvent` is never constructed
[INFO] [stdout]    --> src/nix/x11.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | struct XEvent {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XButtonEvent` is never constructed
[INFO] [stdout]    --> src/nix/x11.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | struct XButtonEvent {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b987e5bb72787fb96ae1a30626a65c3a1be1de527dfc9b914d50f1f8f11e4e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b987e5bb72787fb96ae1a30626a65c3a1be1de527dfc9b914d50f1f8f11e4e3f", kill_on_drop: false }`
[INFO] [stdout] b987e5bb72787fb96ae1a30626a65c3a1be1de527dfc9b914d50f1f8f11e4e3f