[INFO] cloning repository https://github.com/dralley/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/dralley/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a89c12817a7b1a8c14875ba133f55fca3d7f536d [INFO] testing dralley/sudoku-solver against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver" "/workspace/builds/worker-104/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dralley/sudoku-solver on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dralley/sudoku-solver [INFO] finished tweaking git repo https://github.com/dralley/sudoku-solver [INFO] tweaked toml for git repo https://github.com/dralley/sudoku-solver written to /workspace/builds/worker-104/source/Cargo.toml [INFO] crate git repo https://github.com/dralley/sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00eb8e70d67b5a05ab582ca8cbc45b38b74ac4473d4a1e5c1afe83d50a5adae0 [INFO] running `Command { std: "docker" "start" "-a" "00eb8e70d67b5a05ab582ca8cbc45b38b74ac4473d4a1e5c1afe83d50a5adae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00eb8e70d67b5a05ab582ca8cbc45b38b74ac4473d4a1e5c1afe83d50a5adae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00eb8e70d67b5a05ab582ca8cbc45b38b74ac4473d4a1e5c1afe83d50a5adae0", kill_on_drop: false }` [INFO] [stdout] 00eb8e70d67b5a05ab582ca8cbc45b38b74ac4473d4a1e5c1afe83d50a5adae0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b055cf58c03c90095bd1b0e4251be08f5d9c997a99a648c3dca2cd87ed663378 [INFO] running `Command { std: "docker" "start" "-a" "b055cf58c03c90095bd1b0e4251be08f5d9c997a99a648c3dca2cd87ed663378", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.43 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling varisat-formula v0.2.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.5 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling vec_mut_scan v0.1.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling leb128 v0.2.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.10 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling backtrace v0.3.34 [INFO] [stderr] Compiling sudoku v0.7.0 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling partial_ref_derive v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling partial_ref v0.3.1 [INFO] [stderr] Compiling varisat-internal-proof v0.2.1 [INFO] [stderr] Compiling varisat-dimacs v0.2.1 [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Compiling varisat-checker v0.2.1 [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.02s [INFO] running `Command { std: "docker" "inspect" "b055cf58c03c90095bd1b0e4251be08f5d9c997a99a648c3dca2cd87ed663378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b055cf58c03c90095bd1b0e4251be08f5d9c997a99a648c3dca2cd87ed663378", kill_on_drop: false }` [INFO] [stdout] b055cf58c03c90095bd1b0e4251be08f5d9c997a99a648c3dca2cd87ed663378 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aba9170c1672d9a6312713f085de972d951d047bef9320408f63f68b5ed12ec8 [INFO] running `Command { std: "docker" "start" "-a" "aba9170c1672d9a6312713f085de972d951d047bef9320408f63f68b5ed12ec8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.29s [INFO] running `Command { std: "docker" "inspect" "aba9170c1672d9a6312713f085de972d951d047bef9320408f63f68b5ed12ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aba9170c1672d9a6312713f085de972d951d047bef9320408f63f68b5ed12ec8", kill_on_drop: false }` [INFO] [stdout] aba9170c1672d9a6312713f085de972d951d047bef9320408f63f68b5ed12ec8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eff2e9cee554320c9a97f0de2476be8fecadccd2259b73eb31493e7d8aa6df1d [INFO] running `Command { std: "docker" "start" "-a" "eff2e9cee554320c9a97f0de2476be8fecadccd2259b73eb31493e7d8aa6df1d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-f8718f54e89ce0f0) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-d378ecb88f82a4d8) [INFO] [stdout] [INFO] [stderr] Running tests/sudoku_solver.rs (/opt/rustwide/target/debug/deps/sudoku_solver-c16f6a4977f4eb8f) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests sudoku-solver [INFO] [stdout] test test_top95 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.12s [INFO] [stdout] [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" "eff2e9cee554320c9a97f0de2476be8fecadccd2259b73eb31493e7d8aa6df1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eff2e9cee554320c9a97f0de2476be8fecadccd2259b73eb31493e7d8aa6df1d", kill_on_drop: false }` [INFO] [stdout] eff2e9cee554320c9a97f0de2476be8fecadccd2259b73eb31493e7d8aa6df1d