[INFO] cloning repository https://github.com/ffjanp/sudoku_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffjanp/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffjanp%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffjanp%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5129652558878ae06295ea3b7cf9317f731f6c9 [INFO] testing ffjanp/sudoku_solver against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffjanp%2Fsudoku_solver" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ffjanp/sudoku_solver on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ffjanp/sudoku_solver [INFO] finished tweaking git repo https://github.com/ffjanp/sudoku_solver [INFO] tweaked toml for git repo https://github.com/ffjanp/sudoku_solver written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ffjanp/sudoku_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e2b536220b3bd0a40527d6ceda675e48adfb84ecb738f3b2fc86ad5def48873 [INFO] running `Command { std: "docker" "start" "-a" "4e2b536220b3bd0a40527d6ceda675e48adfb84ecb738f3b2fc86ad5def48873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e2b536220b3bd0a40527d6ceda675e48adfb84ecb738f3b2fc86ad5def48873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e2b536220b3bd0a40527d6ceda675e48adfb84ecb738f3b2fc86ad5def48873", kill_on_drop: false }` [INFO] [stdout] 4e2b536220b3bd0a40527d6ceda675e48adfb84ecb738f3b2fc86ad5def48873 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9c10e4acf78fd56854ad76209c64d734ae7ad3a2e04d6fe8e78654971435922 [INFO] running `Command { std: "docker" "start" "-a" "b9c10e4acf78fd56854ad76209c64d734ae7ad3a2e04d6fe8e78654971435922", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling find_transaction v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | let mut possible = self.check(x,y); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "b9c10e4acf78fd56854ad76209c64d734ae7ad3a2e04d6fe8e78654971435922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9c10e4acf78fd56854ad76209c64d734ae7ad3a2e04d6fe8e78654971435922", kill_on_drop: false }` [INFO] [stdout] b9c10e4acf78fd56854ad76209c64d734ae7ad3a2e04d6fe8e78654971435922 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d88092a4f3e2eec89eb908289026ba01a0529e3606ab9c6c1e31c8cf433763e [INFO] running `Command { std: "docker" "start" "-a" "9d88092a4f3e2eec89eb908289026ba01a0529e3606ab9c6c1e31c8cf433763e", kill_on_drop: false }` [INFO] [stderr] Compiling find_transaction v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | let mut possible = self.check(x,y); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "9d88092a4f3e2eec89eb908289026ba01a0529e3606ab9c6c1e31c8cf433763e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d88092a4f3e2eec89eb908289026ba01a0529e3606ab9c6c1e31c8cf433763e", kill_on_drop: false }` [INFO] [stdout] 9d88092a4f3e2eec89eb908289026ba01a0529e3606ab9c6c1e31c8cf433763e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] afa8cda157676ab94aa5da807fce99bd0b4a8c166a2beb0a479ea20a9a6fdbab [INFO] running `Command { std: "docker" "start" "-a" "afa8cda157676ab94aa5da807fce99bd0b4a8c166a2beb0a479ea20a9a6fdbab", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:72:25 [INFO] [stderr] | [INFO] [stderr] 72 | let mut possible = self.check(x,y); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `find_transaction` (bin "find_transaction" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/find_transaction-7be35244416a13b5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "afa8cda157676ab94aa5da807fce99bd0b4a8c166a2beb0a479ea20a9a6fdbab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afa8cda157676ab94aa5da807fce99bd0b4a8c166a2beb0a479ea20a9a6fdbab", kill_on_drop: false }` [INFO] [stdout] afa8cda157676ab94aa5da807fce99bd0b4a8c166a2beb0a479ea20a9a6fdbab