[INFO] cloning repository https://github.com/suguni/maze-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suguni/maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 133b9c4e2bba62a48ea5a0f583861ed96b223a5a
[INFO] testing suguni/maze-rs 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%2Fsuguni%2Fmaze-rs" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suguni/maze-rs 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/suguni/maze-rs
[INFO] finished tweaking git repo https://github.com/suguni/maze-rs
[INFO] tweaked toml for git repo https://github.com/suguni/maze-rs written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/suguni/maze-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] d0b20cfaaf596d2c5d51c7341505695d08afd906b67bcca678e094dfd2b97a56
[INFO] running `Command { std: "docker" "start" "-a" "d0b20cfaaf596d2c5d51c7341505695d08afd906b67bcca678e094dfd2b97a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b20cfaaf596d2c5d51c7341505695d08afd906b67bcca678e094dfd2b97a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b20cfaaf596d2c5d51c7341505695d08afd906b67bcca678e094dfd2b97a56", kill_on_drop: false }`
[INFO] [stdout] d0b20cfaaf596d2c5d51c7341505695d08afd906b67bcca678e094dfd2b97a56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] b3a94652e8d03c2a3646fc7d44841c0f3b20059117107bc7ee3aeb0cdf0b65cb
[INFO] running `Command { std: "docker" "start" "-a" "b3a94652e8d03c2a3646fc7d44841c0f3b20059117107bc7ee3aeb0cdf0b65cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stdout] warning: unused import: `svg`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use svg;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling maze-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `line`
[INFO] [stdout]  --> src/export_svg.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn line<U>(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_svg`
[INFO] [stdout]   --> src/export_svg.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `links`
[INFO] [stdout]   --> src/grid.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn links(&self) -> std::slice::Iter<'_, Weak<RefCell<GridCell>>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neighbor`
[INFO] [stdout]   --> src/grid.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn neighbor(&self, dir: Dir) -> &Option<Weak<RefCell<GridCell>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "b3a94652e8d03c2a3646fc7d44841c0f3b20059117107bc7ee3aeb0cdf0b65cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a94652e8d03c2a3646fc7d44841c0f3b20059117107bc7ee3aeb0cdf0b65cb", kill_on_drop: false }`
[INFO] [stdout] b3a94652e8d03c2a3646fc7d44841c0f3b20059117107bc7ee3aeb0cdf0b65cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 2cbacf9bc066b7803b5041f295d658ee5d4eeb1328fe6e2af3b6944ed7bddeb4
[INFO] running `Command { std: "docker" "start" "-a" "2cbacf9bc066b7803b5041f295d658ee5d4eeb1328fe6e2af3b6944ed7bddeb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maze-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `svg`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use svg;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line`
[INFO] [stdout]  --> src/export_svg.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn line<U>(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_svg`
[INFO] [stdout]   --> src/export_svg.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neighbor`
[INFO] [stdout]   --> src/grid.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn neighbor(&self, dir: Dir) -> &Option<Weak<RefCell<GridCell>>> {
[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 43.57s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_rs-0f8fa7b4df8537c4)
[INFO] [stderr]   Executable unittests src/bin/svg.rs (/opt/rustwide/target/debug/deps/svg-7c823d29ebb60da6)
[INFO] running `Command { std: "docker" "inspect" "2cbacf9bc066b7803b5041f295d658ee5d4eeb1328fe6e2af3b6944ed7bddeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbacf9bc066b7803b5041f295d658ee5d4eeb1328fe6e2af3b6944ed7bddeb4", kill_on_drop: false }`
[INFO] [stdout] 2cbacf9bc066b7803b5041f295d658ee5d4eeb1328fe6e2af3b6944ed7bddeb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 1a33e50226882e23e561f1acb164c5c67f8769d38239ca5f2aa2cebf5b3be3f9
[INFO] running `Command { std: "docker" "start" "-a" "1a33e50226882e23e561f1acb164c5c67f8769d38239ca5f2aa2cebf5b3be3f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `svg`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use svg;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line`
[INFO] [stderr]  --> src/export_svg.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn line<U>(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_svg`
[INFO] [stderr]   --> src/export_svg.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `neighbor`
[INFO] [stderr]   --> src/grid.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn neighbor(&self, dir: Dir) -> &Option<Weak<RefCell<GridCell>>> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `maze-rs` (bin "maze-rs" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.78s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_rs-0f8fa7b4df8537c4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test grid::test_links ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/svg.rs (/opt/rustwide/target/debug/deps/svg-7c823d29ebb60da6)
[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" "1a33e50226882e23e561f1acb164c5c67f8769d38239ca5f2aa2cebf5b3be3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a33e50226882e23e561f1acb164c5c67f8769d38239ca5f2aa2cebf5b3be3f9", kill_on_drop: false }`
[INFO] [stdout] 1a33e50226882e23e561f1acb164c5c67f8769d38239ca5f2aa2cebf5b3be3f9