[INFO] cloning repository https://github.com/amatgil/FractalCarpets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amatgil/FractalCarpets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatgil%2FFractalCarpets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatgil%2FFractalCarpets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f1f309a277a672f14b673d66fba906e21a90758
[INFO] checking amatgil/FractalCarpets against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatgil%2FFractalCarpets" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amatgil/FractalCarpets on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amatgil/FractalCarpets
[INFO] finished tweaking git repo https://github.com/amatgil/FractalCarpets
[INFO] tweaked toml for git repo https://github.com/amatgil/FractalCarpets written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/amatgil/FractalCarpets 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking amatgil/FractalCarpets against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatgil%2FFractalCarpets" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amatgil/FractalCarpets on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amatgil/FractalCarpets
[INFO] finished tweaking git repo https://github.com/amatgil/FractalCarpets
[INFO] tweaked toml for git repo https://github.com/amatgil/FractalCarpets written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/amatgil/FractalCarpets 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932da1bd016bb7033773a4adb9edb11b0e313ab08247eeb75e23a24005698295
[INFO] running `Command { std: "docker" "start" "-a" "932da1bd016bb7033773a4adb9edb11b0e313ab08247eeb75e23a24005698295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932da1bd016bb7033773a4adb9edb11b0e313ab08247eeb75e23a24005698295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932da1bd016bb7033773a4adb9edb11b0e313ab08247eeb75e23a24005698295", kill_on_drop: false }`
[INFO] [stdout] 932da1bd016bb7033773a4adb9edb11b0e313ab08247eeb75e23a24005698295
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f360387fcd9494f7d1096ab42607b6243c4b5c5eee91b567716b8e0cb5cdc9a9
[INFO] running `Command { std: "docker" "start" "-a" "f360387fcd9494f7d1096ab42607b6243c4b5c5eee91b567716b8e0cb5cdc9a9", kill_on_drop: false }`
[INFO] [stderr]     Checking ppmitzador v0.1.0 (https://github.com/amatgil/ppmitzador#dd8d9b40)
[INFO] [stderr]     Checking jerusalem_carpet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `ox` in this scope
[INFO] [stdout]   --> src/main.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     go(&mut base, ox, oy, n, &gen);
[INFO] [stdout]    |                   ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `oy` in this scope
[INFO] [stdout]   --> src/main.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     go(&mut base, ox, oy, n, &gen);
[INFO] [stdout]    |                       ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ox` in this scope
[INFO] [stdout]   --> src/main.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     go(&mut base, ox, oy, n, &gen);
[INFO] [stdout]    |                   ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `oy` in this scope
[INFO] [stdout]   --> src/main.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     go(&mut base, ox, oy, n, &gen);
[INFO] [stdout]    |                       ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for y in oy..oy+d {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             for x in ox..ox+d {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/main.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn go(canvas: &mut ImagePBM, ox: usize, oy: usize, n: usize, gen: &ImagePBM) {
[INFO] [stdout]    |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:31:56
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn go(canvas: &mut ImagePBM, ox: usize, oy: usize, n: usize, gen: &ImagePBM) {
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jerusalem_carpet`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let jerusalem_carpet = Carpet {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jerusalem_carpet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for y in oy..oy+d {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             for x in ox..ox+d {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/main.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn go(canvas: &mut ImagePBM, ox: usize, oy: usize, n: usize, gen: &ImagePBM) {
[INFO] [stdout]    |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:31:56
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn go(canvas: &mut ImagePBM, ox: usize, oy: usize, n: usize, gen: &ImagePBM) {
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jerusalem_carpet`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let jerusalem_carpet = Carpet {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jerusalem_carpet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jerusalem_carpet` (bin "jerusalem_carpet") due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jerusalem_carpet` (bin "jerusalem_carpet" test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f360387fcd9494f7d1096ab42607b6243c4b5c5eee91b567716b8e0cb5cdc9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f360387fcd9494f7d1096ab42607b6243c4b5c5eee91b567716b8e0cb5cdc9a9", kill_on_drop: false }`
[INFO] [stdout] f360387fcd9494f7d1096ab42607b6243c4b5c5eee91b567716b8e0cb5cdc9a9