[INFO] cloning repository https://github.com/cultofmetatron/mirrormaze_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cultofmetatron/mirrormaze_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcultofmetatron%2Fmirrormaze_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcultofmetatron%2Fmirrormaze_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c4e94472dac994ebc0f06fdfa99cbdf39be1bfd
[INFO] testing cultofmetatron/mirrormaze_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcultofmetatron%2Fmirrormaze_rust" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cultofmetatron/mirrormaze_rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cultofmetatron/mirrormaze_rust
[INFO] finished tweaking git repo https://github.com/cultofmetatron/mirrormaze_rust
[INFO] tweaked toml for git repo https://github.com/cultofmetatron/mirrormaze_rust written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/cultofmetatron/mirrormaze_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bloom v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a1c8d11a8fe4912b7db0991ce009e9fe1a71ca7d32a3f73c555260c0e909d7a
[INFO] running `Command { std: "docker" "start" "-a" "8a1c8d11a8fe4912b7db0991ce009e9fe1a71ca7d32a3f73c555260c0e909d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a1c8d11a8fe4912b7db0991ce009e9fe1a71ca7d32a3f73c555260c0e909d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1c8d11a8fe4912b7db0991ce009e9fe1a71ca7d32a3f73c555260c0e909d7a", kill_on_drop: false }`
[INFO] [stdout] 8a1c8d11a8fe4912b7db0991ce009e9fe1a71ca7d32a3f73c555260c0e909d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8a3a7d643f0934e466765d5d19b31c74598db87e0a42e776648af262ff61c37
[INFO] running `Command { std: "docker" "start" "-a" "c8a3a7d643f0934e466765d5d19b31c74598db87e0a42e776648af262ff61c37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bloom v0.2.0
[INFO] [stderr]    Compiling mirrormaze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]    --> src/main.rs:205:18
[INFO] [stdout]     |
[INFO] [stdout] 205 |             Some(coordinates) => true,
[INFO] [stdout]     |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.14s
[INFO] running `Command { std: "docker" "inspect" "c8a3a7d643f0934e466765d5d19b31c74598db87e0a42e776648af262ff61c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a3a7d643f0934e466765d5d19b31c74598db87e0a42e776648af262ff61c37", kill_on_drop: false }`
[INFO] [stdout] c8a3a7d643f0934e466765d5d19b31c74598db87e0a42e776648af262ff61c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e43b366cd5620b3eb111a43b295f276427e3043d1d0a8e49a813319f199b12
[INFO] running `Command { std: "docker" "start" "-a" "55e43b366cd5620b3eb111a43b295f276427e3043d1d0a8e49a813319f199b12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mirrormaze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]    --> src/main.rs:205:18
[INFO] [stdout]     |
[INFO] [stdout] 205 |             Some(coordinates) => true,
[INFO] [stdout]     |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "55e43b366cd5620b3eb111a43b295f276427e3043d1d0a8e49a813319f199b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e43b366cd5620b3eb111a43b295f276427e3043d1d0a8e49a813319f199b12", kill_on_drop: false }`
[INFO] [stdout] 55e43b366cd5620b3eb111a43b295f276427e3043d1d0a8e49a813319f199b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d173393b9810be052a32cf6ae41fe0a7bb837c24a574104133fed29606c3d66b
[INFO] running `Command { std: "docker" "start" "-a" "d173393b9810be052a32cf6ae41fe0a7bb837c24a574104133fed29606c3d66b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `coordinates`
[INFO] [stderr]    --> src/main.rs:205:18
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Some(coordinates) => true,
[INFO] [stderr]     |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mirrormaze` (bin "mirrormaze" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mirrormaze-7ed6555bc8e6cc65)
[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" "d173393b9810be052a32cf6ae41fe0a7bb837c24a574104133fed29606c3d66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d173393b9810be052a32cf6ae41fe0a7bb837c24a574104133fed29606c3d66b", kill_on_drop: false }`
[INFO] [stdout] d173393b9810be052a32cf6ae41fe0a7bb837c24a574104133fed29606c3d66b