[INFO] cloning repository https://github.com/octalsrc/r-maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/octalsrc/r-maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctalsrc%2Fr-maze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctalsrc%2Fr-maze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c41b92bd7764ce0c14d90a848fdd61bc54e2fbf
[INFO] testing octalsrc/r-maze against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foctalsrc%2Fr-maze" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/octalsrc/r-maze on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/octalsrc/r-maze
[INFO] finished tweaking git repo https://github.com/octalsrc/r-maze
[INFO] tweaked toml for git repo https://github.com/octalsrc/r-maze written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/octalsrc/r-maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.3.1
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded piston-texture v0.6.0
[INFO] [stderr]   Downloaded gfx_core v0.8.3
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.5
[INFO] [stderr]   Downloaded piston-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded gfx_gl v0.5.0
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded rusttype v0.8.2
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded piston-float v1.0.0
[INFO] [stderr]   Downloaded gl_generator v0.10.0
[INFO] [stderr]   Downloaded gl v0.11.0
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded gl_generator v0.13.1
[INFO] [stderr]   Downloaded gleam v0.6.19
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded gfx v0.17.1
[INFO] [stderr]   Downloaded draw_state v0.8.0
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.61.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.46.0
[INFO] [stderr]   Downloaded pistoncore-window v0.41.0
[INFO] [stderr]   Downloaded piston v0.46.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.32.0
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded winit v0.18.1
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded piston-gfx_texture v0.36.0
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded shader_version v0.6.0
[INFO] [stderr]   Downloaded pistoncore-input v0.26.0
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded glutin v0.19.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.59.0
[INFO] [stderr]   Downloaded piston_window v0.96.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8f9e6419183653e3b603a4b40c08aafdd95e3599e65a0c0d852672921af309c
[INFO] running `Command { std: "docker" "start" "-a" "c8f9e6419183653e3b603a4b40c08aafdd95e3599e65a0c0d852672921af309c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8f9e6419183653e3b603a4b40c08aafdd95e3599e65a0c0d852672921af309c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f9e6419183653e3b603a4b40c08aafdd95e3599e65a0c0d852672921af309c", kill_on_drop: false }`
[INFO] [stdout] c8f9e6419183653e3b603a4b40c08aafdd95e3599e65a0c0d852672921af309c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd04b54244696d5931a526b29f166b0506f699ac2670a4d6b65c466c1d0d55f3
[INFO] running `Command { std: "docker" "start" "-a" "cd04b54244696d5931a526b29f166b0506f699ac2670a4d6b65c466c1d0d55f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling piston-graphics_api_version v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling r-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling shader_version v0.6.0
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.32.0
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling pistoncore-input v0.26.0
[INFO] [stderr]    Compiling pistoncore-window v0.41.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.46.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.36.0
[INFO] [stderr]    Compiling piston v0.46.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.61.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.59.0
[INFO] [stderr]    Compiling piston_window v0.96.0
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |         if let Some(args) = e.render_args() {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "cd04b54244696d5931a526b29f166b0506f699ac2670a4d6b65c466c1d0d55f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd04b54244696d5931a526b29f166b0506f699ac2670a4d6b65c466c1d0d55f3", kill_on_drop: false }`
[INFO] [stdout] cd04b54244696d5931a526b29f166b0506f699ac2670a4d6b65c466c1d0d55f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ce8d8a1c3b861617f0cce29251eb445f6544e333a634d690cfaa694d39a02e
[INFO] running `Command { std: "docker" "start" "-a" "e4ce8d8a1c3b861617f0cce29251eb445f6544e333a634d690cfaa694d39a02e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling r-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |         if let Some(args) = e.render_args() {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "e4ce8d8a1c3b861617f0cce29251eb445f6544e333a634d690cfaa694d39a02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ce8d8a1c3b861617f0cce29251eb445f6544e333a634d690cfaa694d39a02e", kill_on_drop: false }`
[INFO] [stdout] e4ce8d8a1c3b861617f0cce29251eb445f6544e333a634d690cfaa694d39a02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d1016566426fb061606f55ecb8592fe53850dd7406973553fd296ba8987eee1
[INFO] running `Command { std: "docker" "start" "-a" "5d1016566426fb061606f55ecb8592fe53850dd7406973553fd296ba8987eee1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/main.rs:320:21
[INFO] [stderr]     |
[INFO] [stderr] 320 |         if let Some(args) = e.render_args() {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `r-maze` (bin "r-maze" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r_maze-a7c715182a542cb2)
[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" "5d1016566426fb061606f55ecb8592fe53850dd7406973553fd296ba8987eee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1016566426fb061606f55ecb8592fe53850dd7406973553fd296ba8987eee1", kill_on_drop: false }`
[INFO] [stdout] 5d1016566426fb061606f55ecb8592fe53850dd7406973553fd296ba8987eee1