[INFO] cloning repository https://github.com/anonychun/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/anonychun/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanonychun%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanonychun%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 956d7dc2b396d4f6c05f8e641ca2cb80bb6f4d9c
[INFO] testing anonychun/sudoku-solver against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanonychun%2Fsudoku-solver" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anonychun/sudoku-solver on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anonychun/sudoku-solver
[INFO] finished tweaking git repo https://github.com/anonychun/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/anonychun/sudoku-solver written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/anonychun/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba04e0ad2ce2e53f0c67d75c16f0b403efc4b551e10a105772f36ec58648e306
[INFO] running `Command { std: "docker" "start" "-a" "ba04e0ad2ce2e53f0c67d75c16f0b403efc4b551e10a105772f36ec58648e306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba04e0ad2ce2e53f0c67d75c16f0b403efc4b551e10a105772f36ec58648e306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba04e0ad2ce2e53f0c67d75c16f0b403efc4b551e10a105772f36ec58648e306", kill_on_drop: false }`
[INFO] [stdout] ba04e0ad2ce2e53f0c67d75c16f0b403efc4b551e10a105772f36ec58648e306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbc75eec1d0e0cd89fd9d3c5dd4df6859a56cdd891780f80f98a0b7a03d95e0
[INFO] running `Command { std: "docker" "start" "-a" "7bbc75eec1d0e0cd89fd9d3c5dd4df6859a56cdd891780f80f98a0b7a03d95e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "7bbc75eec1d0e0cd89fd9d3c5dd4df6859a56cdd891780f80f98a0b7a03d95e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbc75eec1d0e0cd89fd9d3c5dd4df6859a56cdd891780f80f98a0b7a03d95e0", kill_on_drop: false }`
[INFO] [stdout] 7bbc75eec1d0e0cd89fd9d3c5dd4df6859a56cdd891780f80f98a0b7a03d95e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b0146ca7edda208b4f4234a036afaf0e516c833addda2c896b4e15699ed4bca
[INFO] running `Command { std: "docker" "start" "-a" "7b0146ca7edda208b4f4234a036afaf0e516c833addda2c896b4e15699ed4bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7b0146ca7edda208b4f4234a036afaf0e516c833addda2c896b4e15699ed4bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0146ca7edda208b4f4234a036afaf0e516c833addda2c896b4e15699ed4bca", kill_on_drop: false }`
[INFO] [stdout] 7b0146ca7edda208b4f4234a036afaf0e516c833addda2c896b4e15699ed4bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c7a06aaf19249b82873be829e864446d71e3d7d114ec05ef87b2a84fac724a0
[INFO] running `Command { std: "docker" "start" "-a" "8c7a06aaf19249b82873be829e864446d71e3d7d114ec05ef87b2a84fac724a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-729004f296a84c90)
[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" "8c7a06aaf19249b82873be829e864446d71e3d7d114ec05ef87b2a84fac724a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7a06aaf19249b82873be829e864446d71e3d7d114ec05ef87b2a84fac724a0", kill_on_drop: false }`
[INFO] [stdout] 8c7a06aaf19249b82873be829e864446d71e3d7d114ec05ef87b2a84fac724a0