[INFO] cloning repository https://github.com/eggmund/fractal_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eggmund/fractal_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feggmund%2Ffractal_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feggmund%2Ffractal_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9418ca212538243d58e9d4710b544a8bf5ccee13
[INFO] checking eggmund/fractal_tree against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feggmund%2Ffractal_tree" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eggmund/fractal_tree on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eggmund/fractal_tree
[INFO] finished tweaking git repo https://github.com/eggmund/fractal_tree
[INFO] tweaked toml for git repo https://github.com/eggmund/fractal_tree written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/eggmund/fractal_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 009f8aadf7490e9f4db8b154e43e7c21077191a177140acaeec970bb913dfb87
[INFO] running `Command { std: "docker" "start" "-a" "009f8aadf7490e9f4db8b154e43e7c21077191a177140acaeec970bb913dfb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "009f8aadf7490e9f4db8b154e43e7c21077191a177140acaeec970bb913dfb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009f8aadf7490e9f4db8b154e43e7c21077191a177140acaeec970bb913dfb87", kill_on_drop: false }`
[INFO] [stdout] 009f8aadf7490e9f4db8b154e43e7c21077191a177140acaeec970bb913dfb87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 480b51e84900386d6166538fe6383f41e561bafa4baa81d43eb18decf8252e95
[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" "480b51e84900386d6166538fe6383f41e561bafa4baa81d43eb18decf8252e95", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking rand_chacha v0.2.1
[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 num-traits v0.1.43
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.15.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=61f30ac5f5ea7155 -C extra-filename=-61f30ac5f5ea7155 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-58aa9227c8b3902c.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-98285b08aa84c694.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6645bc1987e97f52.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-56eae46330807fb7.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "480b51e84900386d6166538fe6383f41e561bafa4baa81d43eb18decf8252e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480b51e84900386d6166538fe6383f41e561bafa4baa81d43eb18decf8252e95", kill_on_drop: false }`
[INFO] [stdout] 480b51e84900386d6166538fe6383f41e561bafa4baa81d43eb18decf8252e95