[INFO] cloning repository https://github.com/d-dorazio/gerrymandering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d-dorazio/gerrymandering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-dorazio%2Fgerrymandering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-dorazio%2Fgerrymandering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b27924c781b680b0fdbbcac6c85aea88756152f
[INFO] testing d-dorazio/gerrymandering against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-dorazio%2Fgerrymandering" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d-dorazio/gerrymandering on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d-dorazio/gerrymandering
[INFO] finished tweaking git repo https://github.com/d-dorazio/gerrymandering
[INFO] tweaked toml for git repo https://github.com/d-dorazio/gerrymandering written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/d-dorazio/gerrymandering already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d2ebdecd0c45a5c1b801b6e643667ac43d1bd65d1efc2ac6adf5c32128baded
[INFO] running `Command { std: "docker" "start" "-a" "3d2ebdecd0c45a5c1b801b6e643667ac43d1bd65d1efc2ac6adf5c32128baded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2ebdecd0c45a5c1b801b6e643667ac43d1bd65d1efc2ac6adf5c32128baded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2ebdecd0c45a5c1b801b6e643667ac43d1bd65d1efc2ac6adf5c32128baded", kill_on_drop: false }`
[INFO] [stdout] 3d2ebdecd0c45a5c1b801b6e643667ac43d1bd65d1efc2ac6adf5c32128baded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 830cb2aa55acd9ca9e97c4d3608891e23f14041fa8e84b53cfa17842a7495a6c
[INFO] running `Command { std: "docker" "start" "-a" "830cb2aa55acd9ca9e97c4d3608891e23f14041fa8e84b53cfa17842a7495a6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling gerrymandering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "830cb2aa55acd9ca9e97c4d3608891e23f14041fa8e84b53cfa17842a7495a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830cb2aa55acd9ca9e97c4d3608891e23f14041fa8e84b53cfa17842a7495a6c", kill_on_drop: false }`
[INFO] [stdout] 830cb2aa55acd9ca9e97c4d3608891e23f14041fa8e84b53cfa17842a7495a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a663536778ca71a37fdf7fde7f4bda9d20d59803a2387c59c789efc61db0c4ad
[INFO] running `Command { std: "docker" "start" "-a" "a663536778ca71a37fdf7fde7f4bda9d20d59803a2387c59c789efc61db0c4ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling gerrymandering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.12s
[INFO] running `Command { std: "docker" "inspect" "a663536778ca71a37fdf7fde7f4bda9d20d59803a2387c59c789efc61db0c4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a663536778ca71a37fdf7fde7f4bda9d20d59803a2387c59c789efc61db0c4ad", kill_on_drop: false }`
[INFO] [stdout] a663536778ca71a37fdf7fde7f4bda9d20d59803a2387c59c789efc61db0c4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e31daa9be077d76f2737dcb842705167e66fafb46e1b6de210c9d062da2f0f8
[INFO] running `Command { std: "docker" "start" "-a" "1e31daa9be077d76f2737dcb842705167e66fafb46e1b6de210c9d062da2f0f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gerrymandering-92f3f5f356b0bf0d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test all_clusters::tests::test_all_possible_clusters_of_2x2 ... ok
[INFO] [stdout] test all_clusters::tests::test_all_possible_clusters_of_3x3 ... ok
[INFO] [stdout] test all_clusters::tests::test_all_possible_clusters_of_0 ... ok
[INFO] [stdout] test all_clusters::tests::test_all_possible_clusters_of_1 ... ok
[INFO] [stdout] test all_clusters::tests::test_all_possible_clusters_of_size ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gerrymandering-b21af676f08a5410)
[INFO] [stdout] test all_clusters::tests::test_no_duplicate_clusters ... ok
[INFO] [stderr]    Doc-tests gerrymandering
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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] [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" "1e31daa9be077d76f2737dcb842705167e66fafb46e1b6de210c9d062da2f0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e31daa9be077d76f2737dcb842705167e66fafb46e1b6de210c9d062da2f0f8", kill_on_drop: false }`
[INFO] [stdout] 1e31daa9be077d76f2737dcb842705167e66fafb46e1b6de210c9d062da2f0f8