[INFO] cloning repository https://github.com/beersonthewall/ellers_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beersonthewall/ellers_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeersonthewall%2Fellers_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeersonthewall%2Fellers_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ef848662eb51e715ce70fc2b8dbbef664cb6f71
[INFO] testing beersonthewall/ellers_rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeersonthewall%2Fellers_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beersonthewall/ellers_rs 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/beersonthewall/ellers_rs
[INFO] finished tweaking git repo https://github.com/beersonthewall/ellers_rs
[INFO] tweaked toml for git repo https://github.com/beersonthewall/ellers_rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/beersonthewall/ellers_rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2dc032656cf4ab2977afdcf502c182b2ca7427f09debacfcb970aa3692a43f69
[INFO] running `Command { std: "docker" "start" "-a" "2dc032656cf4ab2977afdcf502c182b2ca7427f09debacfcb970aa3692a43f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc032656cf4ab2977afdcf502c182b2ca7427f09debacfcb970aa3692a43f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc032656cf4ab2977afdcf502c182b2ca7427f09debacfcb970aa3692a43f69", kill_on_drop: false }`
[INFO] [stdout] 2dc032656cf4ab2977afdcf502c182b2ca7427f09debacfcb970aa3692a43f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b58485fa89e147b85b02dbdf59a39b7290f6dbd6ab46157fc8ff284c723f0d09
[INFO] running `Command { std: "docker" "start" "-a" "b58485fa89e147b85b02dbdf59a39b7290f6dbd6ab46157fc8ff284c723f0d09", 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 v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling ellers_rs v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "b58485fa89e147b85b02dbdf59a39b7290f6dbd6ab46157fc8ff284c723f0d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58485fa89e147b85b02dbdf59a39b7290f6dbd6ab46157fc8ff284c723f0d09", kill_on_drop: false }`
[INFO] [stdout] b58485fa89e147b85b02dbdf59a39b7290f6dbd6ab46157fc8ff284c723f0d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 36aa7a2ec8ad583a8e610e79dd61b79c41d1ac2b1d3ec044f126fc4d2d062736
[INFO] running `Command { std: "docker" "start" "-a" "36aa7a2ec8ad583a8e610e79dd61b79c41d1ac2b1d3ec044f126fc4d2d062736", kill_on_drop: false }`
[INFO] [stderr]    Compiling ellers_rs v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/maze.rs:461:20
[INFO] [stdout]     |
[INFO] [stdout] 461 |         let maze = MazeBuilder::new(WIDTH);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ ----- supplied 1 argument
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected 2 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/maze.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn new(width: usize, iterations: usize) -> MazeBuilder {
[INFO] [stdout]     |            ^^^ ------------  -----------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/maze.rs:480:30
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let maze_bldr = &mut MazeBuilder::new(WIDTH);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^ ----- supplied 1 argument
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              expected 2 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/maze.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn new(width: usize, iterations: usize) -> MazeBuilder {
[INFO] [stdout]     |            ^^^ ------------  -----------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ellers_rs` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "36aa7a2ec8ad583a8e610e79dd61b79c41d1ac2b1d3ec044f126fc4d2d062736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36aa7a2ec8ad583a8e610e79dd61b79c41d1ac2b1d3ec044f126fc4d2d062736", kill_on_drop: false }`
[INFO] [stdout] 36aa7a2ec8ad583a8e610e79dd61b79c41d1ac2b1d3ec044f126fc4d2d062736