[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyc%2FAldous-Broder" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyc/Aldous-Broder on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-50/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" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 415de53b802cdb3e66efb78de496715e780e1c90d2329efe3e2b13ec50aa42af
[INFO] running `Command { std: "docker" "start" "-a" "415de53b802cdb3e66efb78de496715e780e1c90d2329efe3e2b13ec50aa42af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415de53b802cdb3e66efb78de496715e780e1c90d2329efe3e2b13ec50aa42af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415de53b802cdb3e66efb78de496715e780e1c90d2329efe3e2b13ec50aa42af", kill_on_drop: false }`
[INFO] [stdout] 415de53b802cdb3e66efb78de496715e780e1c90d2329efe3e2b13ec50aa42af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec66e120a921bfaf3b4ee4b9c9201bb6e46934ed5e48633285bc5e0a9cf31f1
[INFO] running `Command { std: "docker" "start" "-a" "8ec66e120a921bfaf3b4ee4b9c9201bb6e46934ed5e48633285bc5e0a9cf31f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.8
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling rand v0.3.14
[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]    |                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 - const NORTH : u8 = (1<<3);
[INFO] [stdout] 14 + const NORTH : u8 = 1<<3;
[INFO] [stdout]    | 
[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]    |                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - const SOUTH : u8 = (1<<2);
[INFO] [stdout] 15 + const SOUTH : u8 = 1<<2;
[INFO] [stdout]    | 
[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]    |                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 - const EAST  : u8 = (1<<1);
[INFO] [stdout] 16 + const EAST  : u8 = 1<<1;
[INFO] [stdout]    | 
[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]     |                                                                             ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; (GRID_SIZE)];
[INFO] [stdout] 180 +     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; GRID_SIZE];
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "8ec66e120a921bfaf3b4ee4b9c9201bb6e46934ed5e48633285bc5e0a9cf31f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec66e120a921bfaf3b4ee4b9c9201bb6e46934ed5e48633285bc5e0a9cf31f1", kill_on_drop: false }`
[INFO] [stdout] 8ec66e120a921bfaf3b4ee4b9c9201bb6e46934ed5e48633285bc5e0a9cf31f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be85dd02258ba06030995568154997dcb30462d591614b6c673d6178c9d3310
[INFO] running `Command { std: "docker" "start" "-a" "6be85dd02258ba06030995568154997dcb30462d591614b6c673d6178c9d3310", 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]    |                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 - const NORTH : u8 = (1<<3);
[INFO] [stdout] 14 + const NORTH : u8 = 1<<3;
[INFO] [stdout]    | 
[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]    |                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - const SOUTH : u8 = (1<<2);
[INFO] [stdout] 15 + const SOUTH : u8 = 1<<2;
[INFO] [stdout]    | 
[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]    |                    ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 - const EAST  : u8 = (1<<1);
[INFO] [stdout] 16 + const EAST  : u8 = 1<<1;
[INFO] [stdout]    | 
[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]     |                                                                             ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; (GRID_SIZE)];
[INFO] [stdout] 180 +     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; GRID_SIZE];
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/aldous_broder-32c90f3e3d2d4a2c)
[INFO] running `Command { std: "docker" "inspect" "6be85dd02258ba06030995568154997dcb30462d591614b6c673d6178c9d3310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be85dd02258ba06030995568154997dcb30462d591614b6c673d6178c9d3310", kill_on_drop: false }`
[INFO] [stdout] 6be85dd02258ba06030995568154997dcb30462d591614b6c673d6178c9d3310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca112c286af454a029f85116ca588dd5f6ce3cefea252c267fecc1f95164b4fc
[INFO] running `Command { std: "docker" "start" "-a" "ca112c286af454a029f85116ca588dd5f6ce3cefea252c267fecc1f95164b4fc", 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]    |                    ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 14 - const NORTH : u8 = (1<<3);
[INFO] [stderr] 14 + const NORTH : u8 = 1<<3;
[INFO] [stderr]    | 
[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]    |                    ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 15 - const SOUTH : u8 = (1<<2);
[INFO] [stderr] 15 + const SOUTH : u8 = 1<<2;
[INFO] [stderr]    | 
[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]    |                    ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 - const EAST  : u8 = (1<<1);
[INFO] [stderr] 16 + const EAST  : u8 = 1<<1;
[INFO] [stderr]    | 
[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]     |                                                                             ^         ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; (GRID_SIZE)];
[INFO] [stderr] 180 +     let mut cell = vec![Cell{visited:false, carve:(NORTH|SOUTH|EAST|WEST)}; GRID_SIZE];
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `aldous-broder` (bin "aldous-broder" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aldous_broder-32c90f3e3d2d4a2c)
[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" "ca112c286af454a029f85116ca588dd5f6ce3cefea252c267fecc1f95164b4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca112c286af454a029f85116ca588dd5f6ce3cefea252c267fecc1f95164b4fc", kill_on_drop: false }`
[INFO] [stdout] ca112c286af454a029f85116ca588dd5f6ce3cefea252c267fecc1f95164b4fc