[INFO] cloning repository https://github.com/padenot/promote-threaded-ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/padenot/promote-threaded-ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpadenot%2Fpromote-threaded-ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpadenot%2Fpromote-threaded-ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eb13bab03a8a0ba59b2cf7c99bbdc49727a0187
[INFO] checking padenot/promote-threaded-ml against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpadenot%2Fpromote-threaded-ml" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/padenot/promote-threaded-ml 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 git repo https://github.com/padenot/promote-threaded-ml
[INFO] finished tweaking git repo https://github.com/padenot/promote-threaded-ml
[INFO] tweaked toml for git repo https://github.com/padenot/promote-threaded-ml written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/padenot/promote-threaded-ml 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 libdbus-sys v0.2.4
[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] deda1a219ee98b22c6cabde729babb37f582db3303d91ede448251f873bb3f58
[INFO] running `Command { std: "docker" "start" "-a" "deda1a219ee98b22c6cabde729babb37f582db3303d91ede448251f873bb3f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deda1a219ee98b22c6cabde729babb37f582db3303d91ede448251f873bb3f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deda1a219ee98b22c6cabde729babb37f582db3303d91ede448251f873bb3f58", kill_on_drop: false }`
[INFO] [stdout] deda1a219ee98b22c6cabde729babb37f582db3303d91ede448251f873bb3f58
[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] a6318fd5338398cdd597097e00bac92ef65c30ca3c56040ad2f06f7d9ad64a07
[INFO] running `Command { std: "docker" "start" "-a" "a6318fd5338398cdd597097e00bac92ef65c30ca3c56040ad2f06f7d9ad64a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling libdbus-sys v0.2.4
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking audio_thread_priority v0.25.0 (/opt/rustwide/workdir/audio_thread_priority)
[INFO] [stdout] warning: field `thread_info` is never read
[INFO] [stdout]   --> audio_thread_priority/src/rt_linux.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct RtPriorityHandleInternal {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 74 |     thread_info: RtPriorityThreadInfoInternal,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[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]     Checking promote-threaded-ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "a6318fd5338398cdd597097e00bac92ef65c30ca3c56040ad2f06f7d9ad64a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6318fd5338398cdd597097e00bac92ef65c30ca3c56040ad2f06f7d9ad64a07", kill_on_drop: false }`
[INFO] [stdout] a6318fd5338398cdd597097e00bac92ef65c30ca3c56040ad2f06f7d9ad64a07