[INFO] fetching crate uk-bot 0.0.1...
[INFO] building uk-bot-0.0.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate uk-bot 0.0.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uk-bot 0.0.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1a8dc48e533169bd1578e303ab527665b4a46346eb4a25d3de7cba4b0974b8c
[INFO] running `Command { std: "docker" "start" "-a" "b1a8dc48e533169bd1578e303ab527665b4a46346eb4a25d3de7cba4b0974b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1a8dc48e533169bd1578e303ab527665b4a46346eb4a25d3de7cba4b0974b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a8dc48e533169bd1578e303ab527665b4a46346eb4a25d3de7cba4b0974b8c", kill_on_drop: false }`
[INFO] [stdout] b1a8dc48e533169bd1578e303ab527665b4a46346eb4a25d3de7cba4b0974b8c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194c6de926db699216223acbc98c20177745b8e0dd1a1ffa2be5b68c29705366
[INFO] running `Command { std: "docker" "start" "-a" "194c6de926db699216223acbc98c20177745b8e0dd1a1ffa2be5b68c29705366", 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" "194c6de926db699216223acbc98c20177745b8e0dd1a1ffa2be5b68c29705366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194c6de926db699216223acbc98c20177745b8e0dd1a1ffa2be5b68c29705366", kill_on_drop: false }`
[INFO] [stdout] 194c6de926db699216223acbc98c20177745b8e0dd1a1ffa2be5b68c29705366