[INFO] updating cached repository https://github.com/XX/madcars
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ff4828d439055a28a07837ef23312ef7dd1b520
[INFO] checking XX/madcars against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXX%2Fmadcars" "/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/XX/madcars on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/XX/madcars
[INFO] finished tweaking git repo https://github.com/XX/madcars
[INFO] tweaked toml for git repo https://github.com/XX/madcars written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/XX/madcars already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 48102ef1b354069a9b72dc66032db1841f9b899dbfa57341cf9cec1556ebe7d7
[INFO] running `"docker" "start" "-a" "48102ef1b354069a9b72dc66032db1841f9b899dbfa57341cf9cec1556ebe7d7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking dds-rs v0.4.0
[INFO] [stderr]     Checking wavefront_obj v5.0.0
[INFO] [stderr]     Checking ticketed_lock v0.1.0
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]     Checking gfx_core v0.6.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]    Compiling gl_generator v0.5.3
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking specs v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]     Checking imagefmt v4.0.0
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]     Checking serde_yaml v0.6.2
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking genmesh v0.4.3
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking gfx_device_gl v0.13.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking gfx_window_glutin v0.14.0
[INFO] [stderr]     Checking amethyst_renderer v0.4.3 (https://github.com/amethyst/amethyst.git?branch=develop#a247def6)
[INFO] [stderr]     Checking amethyst v0.4.3 (https://github.com/amethyst/amethyst.git?branch=develop#a247def6)
[INFO] [stderr]     Checking madcars v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "48102ef1b354069a9b72dc66032db1841f9b899dbfa57341cf9cec1556ebe7d7"`
[INFO] running `"docker" "rm" "-f" "48102ef1b354069a9b72dc66032db1841f9b899dbfa57341cf9cec1556ebe7d7"`
[INFO] [stdout] 48102ef1b354069a9b72dc66032db1841f9b899dbfa57341cf9cec1556ebe7d7