[INFO] fetching crate uk-bot 0.0.1...
[INFO] testing uk-bot-0.0.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate uk-bot 0.0.1 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uk-bot 0.0.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d16313734f30ab8dc5acd2efaca893ff8f777d534d509ad9ad7e84e86531047d
[INFO] running `Command { std: "docker" "start" "-a" "d16313734f30ab8dc5acd2efaca893ff8f777d534d509ad9ad7e84e86531047d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d16313734f30ab8dc5acd2efaca893ff8f777d534d509ad9ad7e84e86531047d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16313734f30ab8dc5acd2efaca893ff8f777d534d509ad9ad7e84e86531047d", kill_on_drop: false }`
[INFO] [stdout] d16313734f30ab8dc5acd2efaca893ff8f777d534d509ad9ad7e84e86531047d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f6eb4f1a3ec0e6381b346e36036fcdb25886a2492a07fedd7838ec0f7aff908
[INFO] running `Command { std: "docker" "start" "-a" "2f6eb4f1a3ec0e6381b346e36036fcdb25886a2492a07fedd7838ec0f7aff908", 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" "2f6eb4f1a3ec0e6381b346e36036fcdb25886a2492a07fedd7838ec0f7aff908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6eb4f1a3ec0e6381b346e36036fcdb25886a2492a07fedd7838ec0f7aff908", kill_on_drop: false }`
[INFO] [stdout] 2f6eb4f1a3ec0e6381b346e36036fcdb25886a2492a07fedd7838ec0f7aff908