[INFO] fetching crate sodoku 0.0.1...
[INFO] checking sodoku-0.0.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate sodoku 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sodoku 0.0.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sodoku 0.0.1
[INFO] finished tweaking crates.io crate sodoku 0.0.1
[INFO] tweaked toml for crates.io crate sodoku 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate sodoku 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab6413f42a24490a3dc5458a880b8ce93902028ef5c0c260e1ca33b95d2198f8
[INFO] running `Command { std: "docker" "start" "-a" "ab6413f42a24490a3dc5458a880b8ce93902028ef5c0c260e1ca33b95d2198f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab6413f42a24490a3dc5458a880b8ce93902028ef5c0c260e1ca33b95d2198f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6413f42a24490a3dc5458a880b8ce93902028ef5c0c260e1ca33b95d2198f8", kill_on_drop: false }`
[INFO] [stdout] ab6413f42a24490a3dc5458a880b8ce93902028ef5c0c260e1ca33b95d2198f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12212600741292730c499c12931b1c9d36acb659daeebf0b4d2b2e725ff51e4
[INFO] running `Command { std: "docker" "start" "-a" "f12212600741292730c499c12931b1c9d36acb659daeebf0b4d2b2e725ff51e4", kill_on_drop: false }`
[INFO] [stderr]     Checking sodoku v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[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 [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f12212600741292730c499c12931b1c9d36acb659daeebf0b4d2b2e725ff51e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12212600741292730c499c12931b1c9d36acb659daeebf0b4d2b2e725ff51e4", kill_on_drop: false }`
[INFO] [stdout] f12212600741292730c499c12931b1c9d36acb659daeebf0b4d2b2e725ff51e4