[INFO] fetching crate gotcha_core 0.1.9...
[INFO] checking gotcha_core-0.1.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gotcha_core 0.1.9 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gotcha_core 0.1.9 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 gotcha_core 0.1.9
[INFO] finished tweaking crates.io crate gotcha_core 0.1.9
[INFO] tweaked toml for crates.io crate gotcha_core 0.1.9 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d998c0ce0e3798e73ea7b6f6081746a1cff4da7de8005099d0b5d57992a0df48
[INFO] running `Command { std: "docker" "start" "-a" "d998c0ce0e3798e73ea7b6f6081746a1cff4da7de8005099d0b5d57992a0df48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d998c0ce0e3798e73ea7b6f6081746a1cff4da7de8005099d0b5d57992a0df48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d998c0ce0e3798e73ea7b6f6081746a1cff4da7de8005099d0b5d57992a0df48", kill_on_drop: false }`
[INFO] [stdout] d998c0ce0e3798e73ea7b6f6081746a1cff4da7de8005099d0b5d57992a0df48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3a26ed7ec168e3941d2d8af9c825d25b453d851cc567e8b385d1d8b2b1c4e56b
[INFO] running `Command { std: "docker" "start" "-a" "3a26ed7ec168e3941d2d8af9c825d25b453d851cc567e8b385d1d8b2b1c4e56b", kill_on_drop: false }`
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[INFO] [stderr]     Checking gotcha_core v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/lib.rs:172:80
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn build_param(name: String, _in: ParameterIn, required: bool, schema: Schema, description: Option<String>) -> Parameter {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/lib.rs:172:80
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn build_param(name: String, _in: ParameterIn, required: bool, schema: Schema, description: Option<String>) -> Parameter {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "3a26ed7ec168e3941d2d8af9c825d25b453d851cc567e8b385d1d8b2b1c4e56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a26ed7ec168e3941d2d8af9c825d25b453d851cc567e8b385d1d8b2b1c4e56b", kill_on_drop: false }`
[INFO] [stdout] 3a26ed7ec168e3941d2d8af9c825d25b453d851cc567e8b385d1d8b2b1c4e56b