[INFO] fetching crate uk-bot 0.0.1...
[INFO] building uk-bot-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate uk-bot 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate uk-bot 0.0.1
[INFO] finished tweaking crates.io crate uk-bot 0.0.1
[INFO] tweaked toml for crates.io crate uk-bot 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uk-bot 0.0.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc8b4dc700f63bb65e51e6af21b29f4ba426f12afe562bbd6e317828599d322
[INFO] running `Command { std: "docker" "start" "-a" "0fc8b4dc700f63bb65e51e6af21b29f4ba426f12afe562bbd6e317828599d322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc8b4dc700f63bb65e51e6af21b29f4ba426f12afe562bbd6e317828599d322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc8b4dc700f63bb65e51e6af21b29f4ba426f12afe562bbd6e317828599d322", kill_on_drop: false }`
[INFO] [stdout] 0fc8b4dc700f63bb65e51e6af21b29f4ba426f12afe562bbd6e317828599d322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 526c223dc6016a55670ba04a199991df1eed03c308e18ce665c677fcbb7c025b
[INFO] running `Command { std: "docker" "start" "-a" "526c223dc6016a55670ba04a199991df1eed03c308e18ce665c677fcbb7c025b", kill_on_drop: false }`
[INFO] [stderr]    Compiling uk-bot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown lint: `question_mark_macro_sep`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![deny(question_mark_macro_sep)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unknown_lints)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uk-bot` (bin "uk-bot") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "526c223dc6016a55670ba04a199991df1eed03c308e18ce665c677fcbb7c025b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526c223dc6016a55670ba04a199991df1eed03c308e18ce665c677fcbb7c025b", kill_on_drop: false }`
[INFO] [stdout] 526c223dc6016a55670ba04a199991df1eed03c308e18ce665c677fcbb7c025b