[INFO] cloning repository https://github.com/Starrah/homework-polygon-clipping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Starrah/homework-polygon-clipping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStarrah%2Fhomework-polygon-clipping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStarrah%2Fhomework-polygon-clipping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba64c7bd98a537fc9db81f7e79297f6fc7c428b9
[INFO] checking Starrah/homework-polygon-clipping against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStarrah%2Fhomework-polygon-clipping" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Starrah/homework-polygon-clipping on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Starrah/homework-polygon-clipping
[INFO] finished tweaking git repo https://github.com/Starrah/homework-polygon-clipping
[INFO] tweaked toml for git repo https://github.com/Starrah/homework-polygon-clipping written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/Starrah/homework-polygon-clipping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 wayland-scanner v0.28.6
[INFO] [stderr]   Downloaded wayland-sys v0.28.6
[INFO] [stderr]   Downloaded wayland-cursor v0.28.6
[INFO] [stderr]   Downloaded wayland-commons v0.28.6
[INFO] [stderr]   Downloaded wayland-protocols v0.28.6
[INFO] [stderr]   Downloaded wayland-egl v0.28.6
[INFO] [stderr]   Downloaded xcursor v0.3.4
[INFO] [stderr]   Downloaded minimal-lexical v0.1.4
[INFO] [stderr]   Downloaded glium v0.30.2
[INFO] [stderr]   Downloaded wayland-client v0.28.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4b1e9474f78220e3b95c8e6bb725ad1d9a4f8a14b99f21dade325a1afa7455f
[INFO] running `Command { std: "docker" "start" "-a" "e4b1e9474f78220e3b95c8e6bb725ad1d9a4f8a14b99f21dade325a1afa7455f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4b1e9474f78220e3b95c8e6bb725ad1d9a4f8a14b99f21dade325a1afa7455f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b1e9474f78220e3b95c8e6bb725ad1d9a4f8a14b99f21dade325a1afa7455f", kill_on_drop: false }`
[INFO] [stdout] e4b1e9474f78220e3b95c8e6bb725ad1d9a4f8a14b99f21dade325a1afa7455f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 237136425d595c146959c1aede53c28527fd847749ce05300dc0dd1edc7b8e7f
[INFO] running `Command { std: "docker" "start" "-a" "237136425d595c146959c1aede53c28527fd847749ce05300dc0dd1edc7b8e7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glium v0.30.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking glutin v0.27.0
[INFO] [stderr]     Checking cg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "237136425d595c146959c1aede53c28527fd847749ce05300dc0dd1edc7b8e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237136425d595c146959c1aede53c28527fd847749ce05300dc0dd1edc7b8e7f", kill_on_drop: false }`
[INFO] [stdout] 237136425d595c146959c1aede53c28527fd847749ce05300dc0dd1edc7b8e7f