[INFO] cloning repository https://github.com/letheed/takuzu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/letheed/takuzu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletheed%2Ftakuzu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletheed%2Ftakuzu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b25ea530289fa91f943c62e3e1ec41af8e998d4a
[INFO] testing letheed/takuzu against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletheed%2Ftakuzu" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/letheed/takuzu on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-96/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/letheed/takuzu
[INFO] finished tweaking git repo https://github.com/letheed/takuzu
[INFO] tweaked toml for git repo https://github.com/letheed/takuzu written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/letheed/takuzu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53975d840ab5e485fcd2631153f2dcc8117eb11f6c38390c2e4a9b763b25ae9d
[INFO] running `Command { std: "docker" "start" "-a" "53975d840ab5e485fcd2631153f2dcc8117eb11f6c38390c2e4a9b763b25ae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53975d840ab5e485fcd2631153f2dcc8117eb11f6c38390c2e4a9b763b25ae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53975d840ab5e485fcd2631153f2dcc8117eb11f6c38390c2e4a9b763b25ae9d", kill_on_drop: false }`
[INFO] [stdout] 53975d840ab5e485fcd2631153f2dcc8117eb11f6c38390c2e4a9b763b25ae9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde4bac3dbc02fe075239a2875f52e25b1b5d6f54307bf32b49bb2708b3ddc61
[INFO] running `Command { std: "docker" "start" "-a" "fde4bac3dbc02fe075239a2875f52e25b1b5d6f54307bf32b49bb2708b3ddc61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling takuzu v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "fde4bac3dbc02fe075239a2875f52e25b1b5d6f54307bf32b49bb2708b3ddc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde4bac3dbc02fe075239a2875f52e25b1b5d6f54307bf32b49bb2708b3ddc61", kill_on_drop: false }`
[INFO] [stdout] fde4bac3dbc02fe075239a2875f52e25b1b5d6f54307bf32b49bb2708b3ddc61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c1373711a0e8df91030436bc52198a8f829039b7a6fd81371edce0ec46d51b
[INFO] running `Command { std: "docker" "start" "-a" "70c1373711a0e8df91030436bc52198a8f829039b7a6fd81371edce0ec46d51b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling takuzu v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "70c1373711a0e8df91030436bc52198a8f829039b7a6fd81371edce0ec46d51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c1373711a0e8df91030436bc52198a8f829039b7a6fd81371edce0ec46d51b", kill_on_drop: false }`
[INFO] [stdout] 70c1373711a0e8df91030436bc52198a8f829039b7a6fd81371edce0ec46d51b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a04bece6ef1b3413131e9f000a9e63d0314a5a376b18dd8cacc61fd8722ddab
[INFO] running `Command { std: "docker" "start" "-a" "0a04bece6ef1b3413131e9f000a9e63d0314a5a376b18dd8cacc61fd8722ddab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/takuzu-8e584c769e09db27)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/takuzu-3cf085bc029557ce)
[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] [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 tests/lib.rs (/opt/rustwide/target/debug/deps/lib-f755753ebf3e9da8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_grid_3 ... ok
[INFO] [stdout] test test_grid_1 ... ok
[INFO] [stdout] test test_grid_2 ... ok
[INFO] [stderr]    Doc-tests takuzu
[INFO] [stdout] test test_grid_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.09s
[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" "0a04bece6ef1b3413131e9f000a9e63d0314a5a376b18dd8cacc61fd8722ddab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a04bece6ef1b3413131e9f000a9e63d0314a5a376b18dd8cacc61fd8722ddab", kill_on_drop: false }`
[INFO] [stdout] 0a04bece6ef1b3413131e9f000a9e63d0314a5a376b18dd8cacc61fd8722ddab