[INFO] cloning repository https://github.com/akfarrington/sudoku-solver-seed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akfarrington/sudoku-solver-seed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakfarrington%2Fsudoku-solver-seed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakfarrington%2Fsudoku-solver-seed'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] beac7f6a67cb89395de3d2a5bfede5271574f2ab [INFO] building akfarrington/sudoku-solver-seed against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakfarrington%2Fsudoku-solver-seed" "/workspace/builds/worker-34/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/akfarrington/sudoku-solver-seed on toolchain 222c5724ecc922fe67815f428c19f82c129d9386 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/akfarrington/sudoku-solver-seed [INFO] finished tweaking git repo https://github.com/akfarrington/sudoku-solver-seed [INFO] tweaked toml for git repo https://github.com/akfarrington/sudoku-solver-seed written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate git repo https://github.com/akfarrington/sudoku-solver-seed already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enclose v1.1.8 [INFO] [stderr] Downloaded dbg v1.0.4 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded pulldown-cmark v0.8.0 [INFO] [stderr] Downloaded futures-io v0.3.13 [INFO] [stderr] Downloaded futures-executor v0.3.13 [INFO] [stderr] Downloaded const_fn v0.4.6 [INFO] [stderr] Downloaded wasm-bindgen-test v0.3.23 [INFO] [stderr] Downloaded gloo-events v0.1.1 [INFO] [stderr] Downloaded seed v0.8.0 [INFO] [stderr] Downloaded gloo-file v0.1.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.23 [INFO] [stderr] Downloaded futures-macro v0.3.13 [INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.23 [INFO] [stderr] Downloaded futures v0.3.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78e060576859ab48ebc0a1442656e9d0ecd8f4393f459eec9818910ccf25b43c [INFO] running `Command { std: "docker" "start" "-a" "78e060576859ab48ebc0a1442656e9d0ecd8f4393f459eec9818910ccf25b43c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78e060576859ab48ebc0a1442656e9d0ecd8f4393f459eec9818910ccf25b43c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e060576859ab48ebc0a1442656e9d0ecd8f4393f459eec9818910ccf25b43c", kill_on_drop: false }` [INFO] [stdout] 78e060576859ab48ebc0a1442656e9d0ecd8f4393f459eec9818910ccf25b43c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 621ace1d09626aeca4001642b1b83fc7f2fbcb810b8ec6a82f64e42760b241eb [INFO] running `Command { std: "docker" "start" "-a" "621ace1d09626aeca4001642b1b83fc7f2fbcb810b8ec6a82f64e42760b241eb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.73 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bumpalo v3.6.1 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling wasm-bindgen v0.2.73 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling const_fn v0.4.6 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling futures-io v0.3.13 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling enclose v1.1.8 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.26 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling cookie v0.14.4 [INFO] [stderr] Compiling seed v0.8.0 [INFO] [stderr] Compiling dbg v1.0.4 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.73 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.73 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.73 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling futures-executor v0.3.13 [INFO] [stderr] Compiling futures v0.3.13 [INFO] [stderr] Compiling js-sys v0.3.50 [INFO] [stderr] Compiling console_error_panic_hook v0.1.6 [INFO] [stderr] Compiling web-sys v0.3.50 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.23 [INFO] [stderr] Compiling gloo-events v0.1.1 [INFO] [stderr] Compiling gloo-timers v0.2.1 [INFO] [stderr] Compiling gloo-file v0.1.0 [INFO] [stderr] Compiling sudoku-solver-seed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `index` [INFO] [stdout] --> src/lib.rs:194:5 [INFO] [stdout] | [INFO] [stdout] 194 | index: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `LittleBox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:191:10 [INFO] [stdout] | [INFO] [stdout] 191 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.21s [INFO] running `Command { std: "docker" "inspect" "621ace1d09626aeca4001642b1b83fc7f2fbcb810b8ec6a82f64e42760b241eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "621ace1d09626aeca4001642b1b83fc7f2fbcb810b8ec6a82f64e42760b241eb", kill_on_drop: false }` [INFO] [stdout] 621ace1d09626aeca4001642b1b83fc7f2fbcb810b8ec6a82f64e42760b241eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 477fce97111c2c8085e48a21b656036b6422d45a39c86b38539e3cc58894c9eb [INFO] running `Command { std: "docker" "start" "-a" "477fce97111c2c8085e48a21b656036b6422d45a39c86b38539e3cc58894c9eb", kill_on_drop: false }` [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.23 [INFO] [stderr] Compiling wasm-bindgen-test v0.3.23 [INFO] [stderr] Compiling sudoku-solver-seed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `index` [INFO] [stdout] --> src/lib.rs:194:5 [INFO] [stdout] | [INFO] [stdout] 194 | index: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `LittleBox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:191:10 [INFO] [stdout] | [INFO] [stdout] 191 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.23s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_solver_seed-106e15c8f2b7da09) [INFO] running `Command { std: "docker" "inspect" "477fce97111c2c8085e48a21b656036b6422d45a39c86b38539e3cc58894c9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "477fce97111c2c8085e48a21b656036b6422d45a39c86b38539e3cc58894c9eb", kill_on_drop: false }` [INFO] [stdout] 477fce97111c2c8085e48a21b656036b6422d45a39c86b38539e3cc58894c9eb