[INFO] fetching crate penrose_ui 0.3.4...
[INFO] checking penrose_ui-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate penrose_ui 0.3.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate penrose_ui 0.3.4 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 penrose_ui 0.3.4
[INFO] finished tweaking crates.io crate penrose_ui 0.3.4
[INFO] tweaked toml for crates.io crate penrose_ui 0.3.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate penrose_ui 0.3.4 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.8.1
[INFO] [stderr]   Downloaded const-cstr v0.3.0
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v4.0.1
[INFO] [stderr]   Downloaded penrose_keysyms v0.3.4
[INFO] [stderr]   Downloaded rustversion v1.0.13
[INFO] [stderr]   Downloaded gethostname v0.3.0
[INFO] [stderr]   Downloaded penrose v0.3.4
[INFO] [stderr]   Downloaded serde v1.0.169
[INFO] [stderr]   Downloaded x11rb v0.12.0
[INFO] [stderr]   Downloaded x11rb-protocol v0.12.0
[INFO] [stderr]   Downloaded syn v2.0.24
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aaafc82b1d4fe19b612aefa0fdb9034254bb26bf0fc7f48aee487ee8429ec2b1
[INFO] running `Command { std: "docker" "start" "-a" "aaafc82b1d4fe19b612aefa0fdb9034254bb26bf0fc7f48aee487ee8429ec2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaafc82b1d4fe19b612aefa0fdb9034254bb26bf0fc7f48aee487ee8429ec2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaafc82b1d4fe19b612aefa0fdb9034254bb26bf0fc7f48aee487ee8429ec2b1", kill_on_drop: false }`
[INFO] [stdout] aaafc82b1d4fe19b612aefa0fdb9034254bb26bf0fc7f48aee487ee8429ec2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ec73e5622b8a09966d89df007d7b498ccf2f6d3b6913781a2a7113dad510db8e
[INFO] running `Command { std: "docker" "start" "-a" "ec73e5622b8a09966d89df007d7b498ccf2f6d3b6913781a2a7113dad510db8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustversion v1.0.13
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.169
[INFO] [stderr]    Compiling x11rb v0.12.0
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v4.0.1
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling syn v2.0.24
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking gethostname v0.3.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking x11rb-protocol v0.12.0
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking penrose_keysyms v0.3.4
[INFO] [stderr]     Checking penrose v0.3.4
[INFO] [stderr]     Checking penrose_ui v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.59s
[INFO] running `Command { std: "docker" "inspect" "ec73e5622b8a09966d89df007d7b498ccf2f6d3b6913781a2a7113dad510db8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec73e5622b8a09966d89df007d7b498ccf2f6d3b6913781a2a7113dad510db8e", kill_on_drop: false }`
[INFO] [stdout] ec73e5622b8a09966d89df007d7b498ccf2f6d3b6913781a2a7113dad510db8e