[INFO] cloning repository https://github.com/muneeb-i-khan/Maze-Generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muneeb-i-khan/Maze-Generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuneeb-i-khan%2FMaze-Generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuneeb-i-khan%2FMaze-Generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4755f5a160d4f724cfaefc8c42a964bca1a9475
[INFO] checking muneeb-i-khan/Maze-Generator against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuneeb-i-khan%2FMaze-Generator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/muneeb-i-khan/Maze-Generator
[INFO] finished tweaking git repo https://github.com/muneeb-i-khan/Maze-Generator
[INFO] tweaked toml for git repo https://github.com/muneeb-i-khan/Maze-Generator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/muneeb-i-khan/Maze-Generator on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/muneeb-i-khan/Maze-Generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking muneeb-i-khan/Maze-Generator against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuneeb-i-khan%2FMaze-Generator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/muneeb-i-khan/Maze-Generator
[INFO] finished tweaking git repo https://github.com/muneeb-i-khan/Maze-Generator
[INFO] tweaked toml for git repo https://github.com/muneeb-i-khan/Maze-Generator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/muneeb-i-khan/Maze-Generator on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/muneeb-i-khan/Maze-Generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caac4cb12671c4bed1f21453cf2ac8f26247599acd55e704a24beedb645e9e3b
[INFO] running `Command { std: "docker" "start" "-a" "caac4cb12671c4bed1f21453cf2ac8f26247599acd55e704a24beedb645e9e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caac4cb12671c4bed1f21453cf2ac8f26247599acd55e704a24beedb645e9e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caac4cb12671c4bed1f21453cf2ac8f26247599acd55e704a24beedb645e9e3b", kill_on_drop: false }`
[INFO] [stdout] caac4cb12671c4bed1f21453cf2ac8f26247599acd55e704a24beedb645e9e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d85d3e0d62be4bf612f482b604634682d610ce761d456b5e23101dc5c4c575
[INFO] running `Command { std: "docker" "start" "-a" "55d85d3e0d62be4bf612f482b604634682d610ce761d456b5e23101dc5c4c575", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `curr_pos_x` and `curr_pos_y` are never read
[INFO] [stdout]  --> src/backend/maze.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Maze {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub maze: Vec<Vec<Cell>>,
[INFO] [stdout] 4 |     pub curr_pos_x: u32,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 5 |     pub curr_pos_y: u32,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos_x` and `pos_y` are never read
[INFO] [stdout]  --> src/backend/cell.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Cell {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub pos_x: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 4 |     pub pos_y: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `curr_pos_x` and `curr_pos_y` are never read
[INFO] [stdout]  --> src/backend/maze.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Maze {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub maze: Vec<Vec<Cell>>,
[INFO] [stdout] 4 |     pub curr_pos_x: u32,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 5 |     pub curr_pos_y: u32,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos_x` and `pos_y` are never read
[INFO] [stdout]  --> src/backend/cell.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Cell {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub pos_x: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 4 |     pub pos_y: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "55d85d3e0d62be4bf612f482b604634682d610ce761d456b5e23101dc5c4c575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d85d3e0d62be4bf612f482b604634682d610ce761d456b5e23101dc5c4c575", kill_on_drop: false }`
[INFO] [stdout] 55d85d3e0d62be4bf612f482b604634682d610ce761d456b5e23101dc5c4c575