[INFO] cloning repository https://github.com/keenangraham/fractals-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keenangraham/fractals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeenangraham%2Ffractals-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeenangraham%2Ffractals-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad4ee242c3945f56fa615153a6b8f86e05fa1aed
[INFO] checking keenangraham/fractals-rust against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeenangraham%2Ffractals-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keenangraham/fractals-rust on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keenangraham/fractals-rust
[INFO] finished tweaking git repo https://github.com/keenangraham/fractals-rust
[INFO] tweaked toml for git repo https://github.com/keenangraham/fractals-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/keenangraham/fractals-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston2d-graphics v0.32.0
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded pistoncore-input v0.28.0
[INFO] [stderr]   Downloaded stb_truetype v0.3.0
[INFO] [stderr]   Downloaded rusttype v0.8.0
[INFO] [stderr]   Downloaded piston v0.48.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.36.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.48.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.61.0
[INFO] [stderr]   Downloaded pistoncore-window v0.43.0
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.61.0
[INFO] [stderr]   Downloaded piston_window v0.98.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652ca16f45d76fd56eed9bef0f6b50b81ced934e8df087a0b1604b3122f87a49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "652ca16f45d76fd56eed9bef0f6b50b81ced934e8df087a0b1604b3122f87a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652ca16f45d76fd56eed9bef0f6b50b81ced934e8df087a0b1604b3122f87a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652ca16f45d76fd56eed9bef0f6b50b81ced934e8df087a0b1604b3122f87a49", kill_on_drop: false }`
[INFO] [stdout] 652ca16f45d76fd56eed9bef0f6b50b81ced934e8df087a0b1604b3122f87a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdafd2bc2ce2be9748c8020a4d56d2817b39186115b738c6393e7025ea1348a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbdafd2bc2ce2be9748c8020a4d56d2817b39186115b738c6393e7025ea1348a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking piston2d-graphics v0.32.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking piston-gfx_texture v0.36.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.61.0
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking pistoncore-window v0.43.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.48.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.61.0
[INFO] [stderr]     Checking piston v0.48.0
[INFO] [stderr]     Checking piston_window v0.98.0
[INFO] [stderr]     Checking fractals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.56s
[INFO] running `Command { std: "docker" "inspect" "bbdafd2bc2ce2be9748c8020a4d56d2817b39186115b738c6393e7025ea1348a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdafd2bc2ce2be9748c8020a4d56d2817b39186115b738c6393e7025ea1348a", kill_on_drop: false }`
[INFO] [stdout] bbdafd2bc2ce2be9748c8020a4d56d2817b39186115b738c6393e7025ea1348a