[INFO] fetching crate mazinator 0.1.2...
[INFO] testing mazinator-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mazinator 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mazinator 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mazinator 0.1.2
[INFO] finished tweaking crates.io crate mazinator 0.1.2
[INFO] tweaked toml for crates.io crate mazinator 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mazinator 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ad3b8de35cefa5639724fc9574980183f6e98482b8afe4bfd15cc3fa63f1d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9ad3b8de35cefa5639724fc9574980183f6e98482b8afe4bfd15cc3fa63f1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ad3b8de35cefa5639724fc9574980183f6e98482b8afe4bfd15cc3fa63f1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ad3b8de35cefa5639724fc9574980183f6e98482b8afe4bfd15cc3fa63f1d3", kill_on_drop: false }`
[INFO] [stdout] a9ad3b8de35cefa5639724fc9574980183f6e98482b8afe4bfd15cc3fa63f1d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9024a4b71d62444d6871cc0b90822f9d96ca608f3329fb690d1c7f9b2b9848c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9024a4b71d62444d6871cc0b90822f9d96ca608f3329fb690d1c7f9b2b9848c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mazinator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "9024a4b71d62444d6871cc0b90822f9d96ca608f3329fb690d1c7f9b2b9848c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9024a4b71d62444d6871cc0b90822f9d96ca608f3329fb690d1c7f9b2b9848c2", kill_on_drop: false }`
[INFO] [stdout] 9024a4b71d62444d6871cc0b90822f9d96ca608f3329fb690d1c7f9b2b9848c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8efd837575aec8be29b816331fc5db065ab0050f33a65366927cf2fe73e3bcfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8efd837575aec8be29b816331fc5db065ab0050f33a65366927cf2fe73e3bcfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling mazinator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "8efd837575aec8be29b816331fc5db065ab0050f33a65366927cf2fe73e3bcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efd837575aec8be29b816331fc5db065ab0050f33a65366927cf2fe73e3bcfc", kill_on_drop: false }`
[INFO] [stdout] 8efd837575aec8be29b816331fc5db065ab0050f33a65366927cf2fe73e3bcfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3200595d3b2acb5d4fadd44e27584ea2703cad2dc419e6cbd03a85fbf0b4eb7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3200595d3b2acb5d4fadd44e27584ea2703cad2dc419e6cbd03a85fbf0b4eb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazinator-bcfbf09a26d08eee
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test structure::matrix::matrix_tests::get_correct_neighbours ... ok
[INFO] [stdout] test structure::wall::wall_tests::remove_wall_correctly ... ok
[INFO] [stdout] test structure::matrix::matrix_tests::put_correct_value ... ok
[INFO] [stdout] test algo::dfs::dfs_test::visited_all_cells ... ok
[INFO] [stdout] test structure::matrix::matrix_tests::get_correct_index ... ok
[INFO] [stdout] test structure::wall::wall_tests::constructed_correct_walls ... ok
[INFO] [stdout] test algo::bfs::bfs_test::visited_all_cells ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazinator-90c25ec23bc350c3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mazinator
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3200595d3b2acb5d4fadd44e27584ea2703cad2dc419e6cbd03a85fbf0b4eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3200595d3b2acb5d4fadd44e27584ea2703cad2dc419e6cbd03a85fbf0b4eb7", kill_on_drop: false }`
[INFO] [stdout] e3200595d3b2acb5d4fadd44e27584ea2703cad2dc419e6cbd03a85fbf0b4eb7