[INFO] cloning repository https://github.com/pietgeursen/mandlebrot-gtk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pietgeursen/mandlebrot-gtk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietgeursen%2Fmandlebrot-gtk"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietgeursen%2Fmandlebrot-gtk'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1bec4133d238560ec47bc6968f4a2c5a12abd134
[INFO] checking pietgeursen/mandlebrot-gtk against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietgeursen%2Fmandlebrot-gtk" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pietgeursen/mandlebrot-gtk on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pietgeursen/mandlebrot-gtk
[INFO] finished tweaking git repo https://github.com/pietgeursen/mandlebrot-gtk
[INFO] tweaked toml for git repo https://github.com/pietgeursen/mandlebrot-gtk written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/pietgeursen/mandlebrot-gtk already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35ba2a85ae22af1b4950817430918732ec1a0be40a975e312c852f2fea013703
[INFO] running `"docker" "start" "-a" "35ba2a85ae22af1b4950817430918732ec1a0be40a975e312c852f2fea013703"`
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.0
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling gtk v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking glib v0.9.1
[INFO] [stderr]     Checking gio v0.8.0
[INFO] [stderr]     Checking cairo-rs v0.8.0
[INFO] [stderr]     Checking pango v0.8.0
[INFO] [stderr]     Checking atk v0.8.0
[INFO] [stderr]     Checking mandlebrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `"docker" "inspect" "35ba2a85ae22af1b4950817430918732ec1a0be40a975e312c852f2fea013703"`
[INFO] running `"docker" "rm" "-f" "35ba2a85ae22af1b4950817430918732ec1a0be40a975e312c852f2fea013703"`
[INFO] [stdout] 35ba2a85ae22af1b4950817430918732ec1a0be40a975e312c852f2fea013703