[INFO] cloning repository https://github.com/saranblock3/maze-solver-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saranblock3/maze-solver-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaranblock3%2Fmaze-solver-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaranblock3%2Fmaze-solver-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d437929ce5c93347782cda1a705a131eb2b0128
[INFO] testing saranblock3/maze-solver-rs against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaranblock3%2Fmaze-solver-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saranblock3/maze-solver-rs on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saranblock3/maze-solver-rs
[INFO] finished tweaking git repo https://github.com/saranblock3/maze-solver-rs
[INFO] tweaked toml for git repo https://github.com/saranblock3/maze-solver-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saranblock3/maze-solver-rs 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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "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
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing saranblock3/maze-solver-rs against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaranblock3%2Fmaze-solver-rs" "/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/saranblock3/maze-solver-rs on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saranblock3/maze-solver-rs
[INFO] finished tweaking git repo https://github.com/saranblock3/maze-solver-rs
[INFO] tweaked toml for git repo https://github.com/saranblock3/maze-solver-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/saranblock3/maze-solver-rs 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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 364eefd548d5bdd116be080e7168ca3308406dbeb5949ad761cbacb8aa1990f2
[INFO] running `Command { std: "docker" "start" "-a" "364eefd548d5bdd116be080e7168ca3308406dbeb5949ad761cbacb8aa1990f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "364eefd548d5bdd116be080e7168ca3308406dbeb5949ad761cbacb8aa1990f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364eefd548d5bdd116be080e7168ca3308406dbeb5949ad761cbacb8aa1990f2", kill_on_drop: false }`
[INFO] [stdout] 364eefd548d5bdd116be080e7168ca3308406dbeb5949ad761cbacb8aa1990f2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e966f1304c9eba1e22168579e7ccd809b1250e906ab4d45146598d2e32c511df
[INFO] running `Command { std: "docker" "start" "-a" "e966f1304c9eba1e22168579e7ccd809b1250e906ab4d45146598d2e32c511df", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.7.0
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling maze-solver-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `time::Instant`
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^^              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     time::Instant,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `image::Pixel::from_channels`: Use the constructor of the pixel, for example `Rgba([r,g,b,a])` or `Pixel::from_slice`
[INFO] [stdout]   --> src/main.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let pixel = Rgba::from_channels(0, 255, 0, 255);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_cost`
[INFO] [stdout]    --> src/main.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let path_cost = distance_from_start + distance_to_end;
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_cost`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.75s
[INFO] running `Command { std: "docker" "inspect" "e966f1304c9eba1e22168579e7ccd809b1250e906ab4d45146598d2e32c511df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e966f1304c9eba1e22168579e7ccd809b1250e906ab4d45146598d2e32c511df", kill_on_drop: false }`
[INFO] [stdout] e966f1304c9eba1e22168579e7ccd809b1250e906ab4d45146598d2e32c511df
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5cc9f4f4f430d55ea130674409eb30ee320c404b4f336f05a139ed10c390c6
[INFO] running `Command { std: "docker" "start" "-a" "1f5cc9f4f4f430d55ea130674409eb30ee320c404b4f336f05a139ed10c390c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze-solver-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `time::Instant`
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^^              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     time::Instant,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `image::Pixel::from_channels`: Use the constructor of the pixel, for example `Rgba([r,g,b,a])` or `Pixel::from_slice`
[INFO] [stdout]   --> src/main.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let pixel = Rgba::from_channels(0, 255, 0, 255);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_cost`
[INFO] [stdout]    --> src/main.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let path_cost = distance_from_start + distance_to_end;
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_cost`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "1f5cc9f4f4f430d55ea130674409eb30ee320c404b4f336f05a139ed10c390c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5cc9f4f4f430d55ea130674409eb30ee320c404b4f336f05a139ed10c390c6", kill_on_drop: false }`
[INFO] [stdout] 1f5cc9f4f4f430d55ea130674409eb30ee320c404b4f336f05a139ed10c390c6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 694d23cf0d9aee638485e10f398e465b2d199218fa68b701bdbea6a2ec98c9d4
[INFO] running `Command { std: "docker" "start" "-a" "694d23cf0d9aee638485e10f398e465b2d199218fa68b701bdbea6a2ec98c9d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `time::Instant`
[INFO] [stderr]  --> src/main.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet},
[INFO] [stderr]   |                   ^^^^^^^^  ^^^^^^^^              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 5 |     time::Instant,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `image::Pixel::from_channels`: Use the constructor of the pixel, for example `Rgba([r,g,b,a])` or `Pixel::from_slice`
[INFO] [stderr]   --> src/main.rs:73:31
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let pixel = Rgba::from_channels(0, 255, 0, 255);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path_cost`
[INFO] [stderr]    --> src/main.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 let path_cost = distance_from_start + distance_to_end;
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_cost`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maze-solver-rs` (bin "maze-solver-rs" test) generated 3 warnings (run `cargo fix --bin "maze-solver-rs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_solver_rs-10530af7fdc954be)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "694d23cf0d9aee638485e10f398e465b2d199218fa68b701bdbea6a2ec98c9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694d23cf0d9aee638485e10f398e465b2d199218fa68b701bdbea6a2ec98c9d4", kill_on_drop: false }`
[INFO] [stdout] 694d23cf0d9aee638485e10f398e465b2d199218fa68b701bdbea6a2ec98c9d4