[INFO] cloning repository https://github.com/tyc/Aldous-Broder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyc/Aldous-Broder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyc%2FAldous-Broder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyc%2FAldous-Broder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d388db5a521d6c31c8c8962938d753f4b55f1cc7
[INFO] testing tyc/Aldous-Broder against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyc%2FAldous-Broder" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyc/Aldous-Broder on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyc/Aldous-Broder
[INFO] finished tweaking git repo https://github.com/tyc/Aldous-Broder
[INFO] tweaked toml for git repo https://github.com/tyc/Aldous-Broder written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tyc/Aldous-Broder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a261fb826e3b1f20b44477be3963a31c04a9710e1e308864367b125a78ba73ee
[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" "a261fb826e3b1f20b44477be3963a31c04a9710e1e308864367b125a78ba73ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a261fb826e3b1f20b44477be3963a31c04a9710e1e308864367b125a78ba73ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a261fb826e3b1f20b44477be3963a31c04a9710e1e308864367b125a78ba73ee", kill_on_drop: false }`
[INFO] [stdout] a261fb826e3b1f20b44477be3963a31c04a9710e1e308864367b125a78ba73ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 184d4926052048ddae54ab8c19d8b715970ce578ada61266af097909c11dc6a4
[INFO] running `Command { std: "docker" "start" "-a" "184d4926052048ddae54ab8c19d8b715970ce578ada61266af097909c11dc6a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling aldous-broder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NORTH : u8 = (1<<3);
[INFO] [stdout]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | const SOUTH : u8 = (1<<2);
[INFO] [stdout]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | const EAST  : u8 = (1<<1);
[INFO] [stdout]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:180:74
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; (GRID_SIZE)];
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "184d4926052048ddae54ab8c19d8b715970ce578ada61266af097909c11dc6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184d4926052048ddae54ab8c19d8b715970ce578ada61266af097909c11dc6a4", kill_on_drop: false }`
[INFO] [stdout] 184d4926052048ddae54ab8c19d8b715970ce578ada61266af097909c11dc6a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09043f5fb3e0277d0026a2b0f31d07d2727dadb3257e98982574476e7bb00180
[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" "09043f5fb3e0277d0026a2b0f31d07d2727dadb3257e98982574476e7bb00180", kill_on_drop: false }`
[INFO] [stderr]    Compiling aldous-broder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NORTH : u8 = (1<<3);
[INFO] [stdout]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | const SOUTH : u8 = (1<<2);
[INFO] [stdout]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | const EAST  : u8 = (1<<1);
[INFO] [stdout]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:180:74
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; (GRID_SIZE)];
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "09043f5fb3e0277d0026a2b0f31d07d2727dadb3257e98982574476e7bb00180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09043f5fb3e0277d0026a2b0f31d07d2727dadb3257e98982574476e7bb00180", kill_on_drop: false }`
[INFO] [stdout] 09043f5fb3e0277d0026a2b0f31d07d2727dadb3257e98982574476e7bb00180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb38b9aa6a74264d00f7910818ab12ed25f6ffaf614a4af47db4a54cae9c7119
[INFO] running `Command { std: "docker" "start" "-a" "cb38b9aa6a74264d00f7910818ab12ed25f6ffaf614a4af47db4a54cae9c7119", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | const NORTH : u8 = (1<<3);
[INFO] [stderr]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | const SOUTH : u8 = (1<<2);
[INFO] [stderr]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | const EAST  : u8 = (1<<1);
[INFO] [stderr]    |                    ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:180:74
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; (GRID_SIZE)];
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aldous_broder-189dd1934e13b06b
[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" "cb38b9aa6a74264d00f7910818ab12ed25f6ffaf614a4af47db4a54cae9c7119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb38b9aa6a74264d00f7910818ab12ed25f6ffaf614a4af47db4a54cae9c7119", kill_on_drop: false }`
[INFO] [stdout] cb38b9aa6a74264d00f7910818ab12ed25f6ffaf614a4af47db4a54cae9c7119