[INFO] cloning repository https://github.com/willholl4nd/rustmazecreator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willholl4nd/rustmazecreator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillholl4nd%2Frustmazecreator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillholl4nd%2Frustmazecreator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 089b1eecf9bc38c42c04179725b24dbcd5fe1a5f
[INFO] checking willholl4nd/rustmazecreator against master#06194cadcd0948a7100b46737f61e82b8c00d632 for pr-117967-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillholl4nd%2Frustmazecreator" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files: 100% (8/8)
Updating files: 100% (8/8), done.
[INFO] validating manifest of git repo https://github.com/willholl4nd/rustmazecreator on toolchain 06194cadcd0948a7100b46737f61e82b8c00d632
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+06194cadcd0948a7100b46737f61e82b8c00d632" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willholl4nd/rustmazecreator
[INFO] finished tweaking git repo https://github.com/willholl4nd/rustmazecreator
[INFO] tweaked toml for git repo https://github.com/willholl4nd/rustmazecreator written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/willholl4nd/rustmazecreator 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" "+06194cadcd0948a7100b46737f61e82b8c00d632" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+06194cadcd0948a7100b46737f61e82b8c00d632" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b60d9fdef3ce06134faf747d5a6a70be64e4e90c08dff1d48c0ffbeaa301f2
[INFO] running `Command { std: "docker" "start" "-a" "e2b60d9fdef3ce06134faf747d5a6a70be64e4e90c08dff1d48c0ffbeaa301f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b60d9fdef3ce06134faf747d5a6a70be64e4e90c08dff1d48c0ffbeaa301f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b60d9fdef3ce06134faf747d5a6a70be64e4e90c08dff1d48c0ffbeaa301f2", kill_on_drop: false }`
[INFO] [stdout] e2b60d9fdef3ce06134faf747d5a6a70be64e4e90c08dff1d48c0ffbeaa301f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+06194cadcd0948a7100b46737f61e82b8c00d632" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cd29f7d6ec5e397f78db2a9f74aa2e77c66586128ebf4bfa801643225b5f8c7
[INFO] running `Command { std: "docker" "start" "-a" "0cd29f7d6ec5e397f78db2a9f74aa2e77c66586128ebf4bfa801643225b5f8c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.5.0
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking rustmazecreator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `path_color` and `background_color` are never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Grid {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     path_color: Rgb<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     background_color: Rgb<u8>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path_color` and `background_color` are never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Grid {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     path_color: Rgb<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     background_color: Rgb<u8>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         img.save("maze.png");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = img.save("maze.png");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         img.save("maze.png");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = img.save("maze.png");
[INFO] [stdout]    |         +++++++
[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` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "0cd29f7d6ec5e397f78db2a9f74aa2e77c66586128ebf4bfa801643225b5f8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd29f7d6ec5e397f78db2a9f74aa2e77c66586128ebf4bfa801643225b5f8c7", kill_on_drop: false }`
[INFO] [stdout] 0cd29f7d6ec5e397f78db2a9f74aa2e77c66586128ebf4bfa801643225b5f8c7
[INFO] checking willholl4nd/rustmazecreator against try#6e8eb3d1ba265821f8cc640134ce012d1ff211d8 for pr-117967-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillholl4nd%2Frustmazecreator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files: 100% (8/8)
Updating files: 100% (8/8), done.
[INFO] validating manifest of git repo https://github.com/willholl4nd/rustmazecreator on toolchain 6e8eb3d1ba265821f8cc640134ce012d1ff211d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willholl4nd/rustmazecreator
[INFO] finished tweaking git repo https://github.com/willholl4nd/rustmazecreator
[INFO] tweaked toml for git repo https://github.com/willholl4nd/rustmazecreator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/willholl4nd/rustmazecreator 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" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aba4ebc81c564ba7ff2ededc70a5a12d71324c675a134a5c782c358a92211ed8
[INFO] running `Command { std: "docker" "start" "-a" "aba4ebc81c564ba7ff2ededc70a5a12d71324c675a134a5c782c358a92211ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba4ebc81c564ba7ff2ededc70a5a12d71324c675a134a5c782c358a92211ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba4ebc81c564ba7ff2ededc70a5a12d71324c675a134a5c782c358a92211ed8", kill_on_drop: false }`
[INFO] [stdout] aba4ebc81c564ba7ff2ededc70a5a12d71324c675a134a5c782c358a92211ed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6e8eb3d1ba265821f8cc640134ce012d1ff211d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0f99d1beb2ab8820d9fff8ec3fa4987de866a2cfe866474517ff390ed8b9ac
[INFO] running `Command { std: "docker" "start" "-a" "cb0f99d1beb2ab8820d9fff8ec3fa4987de866a2cfe866474517ff390ed8b9ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] running `Command { std: "docker" "inspect" "cb0f99d1beb2ab8820d9fff8ec3fa4987de866a2cfe866474517ff390ed8b9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0f99d1beb2ab8820d9fff8ec3fa4987de866a2cfe866474517ff390ed8b9ac", kill_on_drop: false }`
[INFO] [stdout] cb0f99d1beb2ab8820d9fff8ec3fa4987de866a2cfe866474517ff390ed8b9ac