[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] checking ypc2e55orj/maze against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ypc2e55orj/maze on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-96/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed7f7d2fece1818860e374504ad8e8c64c925b3b0dee836644353a0ea091f44
[INFO] running `Command { std: "docker" "start" "-a" "aed7f7d2fece1818860e374504ad8e8c64c925b3b0dee836644353a0ea091f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed7f7d2fece1818860e374504ad8e8c64c925b3b0dee836644353a0ea091f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed7f7d2fece1818860e374504ad8e8c64c925b3b0dee836644353a0ea091f44", kill_on_drop: false }`
[INFO] [stdout] aed7f7d2fece1818860e374504ad8e8c64c925b3b0dee836644353a0ea091f44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c390b06957b5ddfa2e3189f56608a43b64cf0e9156060e49bde04ef3b74834a9
[INFO] running `Command { std: "docker" "start" "-a" "c390b06957b5ddfa2e3189f56608a43b64cf0e9156060e49bde04ef3b74834a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "c390b06957b5ddfa2e3189f56608a43b64cf0e9156060e49bde04ef3b74834a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c390b06957b5ddfa2e3189f56608a43b64cf0e9156060e49bde04ef3b74834a9", kill_on_drop: false }`
[INFO] [stdout] c390b06957b5ddfa2e3189f56608a43b64cf0e9156060e49bde04ef3b74834a9