[INFO] cloning repository https://github.com/kupyasa/flappy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kupyasa/flappy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupyasa%2Fflappy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupyasa%2Fflappy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c2d886c448562185bfa87c498bdbf0d5980ef36
[INFO] checking kupyasa/flappy against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupyasa%2Fflappy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kupyasa/flappy on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kupyasa/flappy
[INFO] finished tweaking git repo https://github.com/kupyasa/flappy
[INFO] tweaked toml for git repo https://github.com/kupyasa/flappy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kupyasa/flappy 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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.183
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded winnow v0.5.14
[INFO] [stderr]   Downloaded serde_derive v1.0.183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78601870a6c5c7503da06cc1b36827023fdc985f1d18643d928c038546584af1
[INFO] running `Command { std: "docker" "start" "-a" "78601870a6c5c7503da06cc1b36827023fdc985f1d18643d928c038546584af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78601870a6c5c7503da06cc1b36827023fdc985f1d18643d928c038546584af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78601870a6c5c7503da06cc1b36827023fdc985f1d18643d928c038546584af1", kill_on_drop: false }`
[INFO] [stdout] 78601870a6c5c7503da06cc1b36827023fdc985f1d18643d928c038546584af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37c2683cc18723fcc0e73767fa9da1c0fecb49832c5cd225dd0b98b37017efa
[INFO] running `Command { std: "docker" "start" "-a" "c37c2683cc18723fcc0e73767fa9da1c0fecb49832c5cd225dd0b98b37017efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking crossfont v0.5.1
[INFO] [stderr]     Checking sctk-adwaita v0.4.3
[INFO] [stderr]     Checking winit v0.27.5
[INFO] [stderr]     Checking glutin v0.29.1
[INFO] [stderr]     Checking bracket-terminal v0.8.7
[INFO] [stderr]     Checking bracket-lib v0.8.7
[INFO] [stderr]     Checking flappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `Command { std: "docker" "inspect" "c37c2683cc18723fcc0e73767fa9da1c0fecb49832c5cd225dd0b98b37017efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37c2683cc18723fcc0e73767fa9da1c0fecb49832c5cd225dd0b98b37017efa", kill_on_drop: false }`
[INFO] [stdout] c37c2683cc18723fcc0e73767fa9da1c0fecb49832c5cd225dd0b98b37017efa