[INFO] cloning repository https://github.com/milomilo33/maze-escape-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milomilo33/maze-escape-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilomilo33%2Fmaze-escape-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilomilo33%2Fmaze-escape-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 885e75600e3e7e9ac080b38083056e297c94fc85 [INFO] checking milomilo33/maze-escape-rust against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilomilo33%2Fmaze-escape-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/milomilo33/maze-escape-rust on toolchain a7fc463dd8fbeca800d4b3efc501069502cffe64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/milomilo33/maze-escape-rust [INFO] finished tweaking git repo https://github.com/milomilo33/maze-escape-rust [INFO] tweaked toml for git repo https://github.com/milomilo33/maze-escape-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/milomilo33/maze-escape-rust 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" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array2d v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c03666ddf256874a770ceb670a939dcbe35b02e79a825c829a822f7ce1c375b6 [INFO] running `Command { std: "docker" "start" "-a" "c03666ddf256874a770ceb670a939dcbe35b02e79a825c829a822f7ce1c375b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c03666ddf256874a770ceb670a939dcbe35b02e79a825c829a822f7ce1c375b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c03666ddf256874a770ceb670a939dcbe35b02e79a825c829a822f7ce1c375b6", kill_on_drop: false }` [INFO] [stdout] c03666ddf256874a770ceb670a939dcbe35b02e79a825c829a822f7ce1c375b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d57a9acc85c1b44ca3873a1402ccf9c8d6530a809318cde6784be5f38f05422 [INFO] running `Command { std: "docker" "start" "-a" "5d57a9acc85c1b44ca3873a1402ccf9c8d6530a809318cde6784be5f38f05422", kill_on_drop: false }` [INFO] [stderr] Checking array2d v0.3.0 [INFO] [stderr] Checking maze-escape-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/main.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use array2d::{Array2D, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{ self, BufRead, BufReader }; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/main.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use array2d::{Array2D, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{ self, BufRead, BufReader }; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:29 [INFO] [stdout] | [INFO] [stdout] 75 | let mut maze_cell = maze_table.get_mut(row_iter, col_iter).unwrap(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:29 [INFO] [stdout] | [INFO] [stdout] 75 | let mut maze_cell = maze_table.get_mut(row_iter, col_iter).unwrap(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | let mut neighbour_position: (usize, usize); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | let mut neighbour_position: (usize, usize); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/maze_escape_rust-a8f6ac577214092d.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/maze-escape-rust-a8f6ac577214092d/dep-bin-maze-escape-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] running `Command { std: "docker" "inspect" "5d57a9acc85c1b44ca3873a1402ccf9c8d6530a809318cde6784be5f38f05422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d57a9acc85c1b44ca3873a1402ccf9c8d6530a809318cde6784be5f38f05422", kill_on_drop: false }` [INFO] [stdout] 5d57a9acc85c1b44ca3873a1402ccf9c8d6530a809318cde6784be5f38f05422