[INFO] cloning repository https://github.com/Miksu82/sudoku-solver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Miksu82/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiksu82%2Fsudoku-solver"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiksu82%2Fsudoku-solver'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9dd00479f14b8ec753062cfd48111e7fa9383a1
[INFO] testing Miksu82/sudoku-solver against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiksu82%2Fsudoku-solver" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Miksu82/sudoku-solver on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Miksu82/sudoku-solver
[INFO] finished tweaking git repo https://github.com/Miksu82/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/Miksu82/sudoku-solver written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Miksu82/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-test v0.2.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69b7aa44225a59ead6ce897c52329e335b29c8bf2709d5d9a64c14c3bf5db08e
[INFO] running `"docker" "start" "-a" "69b7aa44225a59ead6ce897c52329e335b29c8bf2709d5d9a64c14c3bf5db08e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]    Compiling array-init v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.2
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "69b7aa44225a59ead6ce897c52329e335b29c8bf2709d5d9a64c14c3bf5db08e"`
[INFO] running `"docker" "rm" "-f" "69b7aa44225a59ead6ce897c52329e335b29c8bf2709d5d9a64c14c3bf5db08e"`
[INFO] [stdout] 69b7aa44225a59ead6ce897c52329e335b29c8bf2709d5d9a64c14c3bf5db08e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ae4785d9016f59f9b682e951c19a8c15d4b6e0b18f3e092677043f70a374582
[INFO] running `"docker" "start" "-a" "4ae4785d9016f59f9b682e951c19a8c15d4b6e0b18f3e092677043f70a374582"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling time-test v0.2.1
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `"docker" "inspect" "4ae4785d9016f59f9b682e951c19a8c15d4b6e0b18f3e092677043f70a374582"`
[INFO] running `"docker" "rm" "-f" "4ae4785d9016f59f9b682e951c19a8c15d4b6e0b18f3e092677043f70a374582"`
[INFO] [stdout] 4ae4785d9016f59f9b682e951c19a8c15d4b6e0b18f3e092677043f70a374582
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6990d956b6fb3cc3dea47d74bf10d9492bc54331d0007cba39cc4518bceb0c0
[INFO] running `"docker" "start" "-a" "f6990d956b6fb3cc3dea47d74bf10d9492bc54331d0007cba39cc4518bceb0c0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-9f64433dc557b13b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sudoku::solver::tests::test_solve ... ok
[INFO] [stdout] test sudoku::solver::tests::test_may_take_long_time_to_solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] (took PT0.038326596S) (took PT0.293666898S) 
[INFO] running `"docker" "inspect" "f6990d956b6fb3cc3dea47d74bf10d9492bc54331d0007cba39cc4518bceb0c0"`
[INFO] running `"docker" "rm" "-f" "f6990d956b6fb3cc3dea47d74bf10d9492bc54331d0007cba39cc4518bceb0c0"`
[INFO] [stdout] f6990d956b6fb3cc3dea47d74bf10d9492bc54331d0007cba39cc4518bceb0c0