[INFO] cloning repository https://github.com/Kreyren/LearnRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kreyren/LearnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreyren%2FLearnRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreyren%2FLearnRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6f1a680161c416bf7d94cae5c6a9b6995c436cb
[INFO] checking Kreyren/LearnRust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreyren%2FLearnRust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kreyren/LearnRust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kreyren/LearnRust
[INFO] finished tweaking git repo https://github.com/Kreyren/LearnRust
[INFO] tweaked toml for git repo https://github.com/Kreyren/LearnRust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Kreyren/LearnRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded pistoncore-input v0.28.0
[INFO] [stderr]   Downloaded shader_version v0.6.0
[INFO] [stderr]   Downloaded wayland-sys v0.21.13
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded piston-gfx_texture v0.40.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.35.0
[INFO] [stderr]   Downloaded gfx_gl v0.6.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.49.0
[INFO] [stderr]   Downloaded image v0.22.3
[INFO] [stderr]   Downloaded piston v0.49.0
[INFO] [stderr]   Downloaded gl_generator v0.10.0
[INFO] [stderr]   Downloaded gfx v0.18.2
[INFO] [stderr]   Downloaded wayland-scanner v0.21.13
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.2
[INFO] [stderr]   Downloaded wayland-protocols v0.21.13
[INFO] [stderr]   Downloaded wayland-commons v0.21.13
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded gleam v0.6.19
[INFO] [stderr]   Downloaded wayland-client v0.21.13
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.6
[INFO] [stderr]   Downloaded piston-float v1.0.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.66.0
[INFO] [stderr]   Downloaded winit v0.19.5
[INFO] [stderr]   Downloaded gfx_core v0.9.2
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded glutin v0.21.2
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded gl v0.11.0
[INFO] [stderr]   Downloaded pistoncore-window v0.44.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.63.0
[INFO] [stderr]   Downloaded piston_window v0.105.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e33aa69dacba7bf7616c0f9a6bccf841a53b6a866419a7305f540b5d7226e98
[INFO] running `Command { std: "docker" "start" "-a" "2e33aa69dacba7bf7616c0f9a6bccf841a53b6a866419a7305f540b5d7226e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e33aa69dacba7bf7616c0f9a6bccf841a53b6a866419a7305f540b5d7226e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e33aa69dacba7bf7616c0f9a6bccf841a53b6a866419a7305f540b5d7226e98", kill_on_drop: false }`
[INFO] [stdout] 2e33aa69dacba7bf7616c0f9a6bccf841a53b6a866419a7305f540b5d7226e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206802bfcf0cebc702cb624e826a02999ab98dde6a2f910c04b79d45ad8b0cb1
[INFO] running `Command { std: "docker" "start" "-a" "206802bfcf0cebc702cb624e826a02999ab98dde6a2f910c04b79d45ad8b0cb1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking piston-gfx_texture v0.40.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.66.0
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston_window v0.105.0
[INFO] [stderr]     Checking learnrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.36s
[INFO] running `Command { std: "docker" "inspect" "206802bfcf0cebc702cb624e826a02999ab98dde6a2f910c04b79d45ad8b0cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206802bfcf0cebc702cb624e826a02999ab98dde6a2f910c04b79d45ad8b0cb1", kill_on_drop: false }`
[INFO] [stdout] 206802bfcf0cebc702cb624e826a02999ab98dde6a2f910c04b79d45ad8b0cb1