[INFO] cloning repository https://github.com/ypc2e55orj/maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ypc2e55orj/maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc269de9789cf53c359aaa57517c8752da74c18e
[INFO] testing ypc2e55orj/maze against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ypc2e55orj/maze on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ypc2e55orj/maze
[INFO] finished tweaking git repo https://github.com/ypc2e55orj/maze
[INFO] tweaked toml for git repo https://github.com/ypc2e55orj/maze written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/ypc2e55orj/maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cefa67a8061084eed1a0981fc0484f309620d344ea2e38e3e6f554a17be3b6e
[INFO] running `Command { std: "docker" "start" "-a" "5cefa67a8061084eed1a0981fc0484f309620d344ea2e38e3e6f554a17be3b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cefa67a8061084eed1a0981fc0484f309620d344ea2e38e3e6f554a17be3b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cefa67a8061084eed1a0981fc0484f309620d344ea2e38e3e6f554a17be3b6e", kill_on_drop: false }`
[INFO] [stdout] 5cefa67a8061084eed1a0981fc0484f309620d344ea2e38e3e6f554a17be3b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec663fde8e63c2d1ad7cba08504f2f0536fdefcd1fe424a99207967b797ee0c8
[INFO] running `Command { std: "docker" "start" "-a" "ec663fde8e63c2d1ad7cba08504f2f0536fdefcd1fe424a99207967b797ee0c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_wall` is never read
[INFO] [stdout]    --> src/main.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut is_wall = false;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `wall_coords` is never read
[INFO] [stdout]    --> src/main.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let mut wall_coords: Coords = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "ec663fde8e63c2d1ad7cba08504f2f0536fdefcd1fe424a99207967b797ee0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec663fde8e63c2d1ad7cba08504f2f0536fdefcd1fe424a99207967b797ee0c8", kill_on_drop: false }`
[INFO] [stdout] ec663fde8e63c2d1ad7cba08504f2f0536fdefcd1fe424a99207967b797ee0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34f7ddde534455be21b53cb493f7e72b082b08f52743cddd6b68d54ca700cf9
[INFO] running `Command { std: "docker" "start" "-a" "f34f7ddde534455be21b53cb493f7e72b082b08f52743cddd6b68d54ca700cf9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_wall` is never read
[INFO] [stdout]    --> src/main.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut is_wall = false;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `wall_coords` is never read
[INFO] [stdout]    --> src/main.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let mut wall_coords: Coords = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "f34f7ddde534455be21b53cb493f7e72b082b08f52743cddd6b68d54ca700cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34f7ddde534455be21b53cb493f7e72b082b08f52743cddd6b68d54ca700cf9", kill_on_drop: false }`
[INFO] [stdout] f34f7ddde534455be21b53cb493f7e72b082b08f52743cddd6b68d54ca700cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f87222f4973ec2035b31f256bfb03720e109a176afb8fdeaf989cffd6133a87
[INFO] running `Command { std: "docker" "start" "-a" "8f87222f4973ec2035b31f256bfb03720e109a176afb8fdeaf989cffd6133a87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `is_wall` is never read
[INFO] [stderr]    --> src/main.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 let mut is_wall = false;
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wall_coords` is never read
[INFO] [stderr]    --> src/main.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let mut wall_coords: Coords = vec![];
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `maze` (bin "maze" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.72s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maze-b89565697b65c5f1)
[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" "8f87222f4973ec2035b31f256bfb03720e109a176afb8fdeaf989cffd6133a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f87222f4973ec2035b31f256bfb03720e109a176afb8fdeaf989cffd6133a87", kill_on_drop: false }`
[INFO] [stdout] 8f87222f4973ec2035b31f256bfb03720e109a176afb8fdeaf989cffd6133a87