[INFO] updating cached repository https://github.com/MROS/carbonbond
[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] ecc73e37b33bd9f5be95665e3eac71c6a00c46b5
[INFO] checking MROS/carbonbond against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMROS%2Fcarbonbond" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MROS/carbonbond on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MROS/carbonbond
[INFO] finished tweaking git repo https://github.com/MROS/carbonbond
[INFO] tweaked toml for git repo https://github.com/MROS/carbonbond written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MROS/carbonbond already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 2839264d4b5abf98199d343a0341a6a007be1196d5322a51f190fb9be36c3d94
[INFO] running `"docker" "start" "-a" "2839264d4b5abf98199d343a0341a6a007be1196d5322a51f190fb9be36c3d94"`
[INFO] [stderr]     Checking spin v0.5.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]     Checking actix-service v0.4.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking blake2b_simd v0.5.7
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling v_escape_derive v0.5.5
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling juniper_codegen v0.13.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rust-argon2 v0.5.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling bytes v0.4.12
[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-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=c2e298109da18804 -C extra-filename=-c2e298109da18804 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-4de5084193cf9f4c.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-163e72d01e78f5e0.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1b471eebb3112d37.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-03c6b4f857da99c1.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 `"docker" "inspect" "2839264d4b5abf98199d343a0341a6a007be1196d5322a51f190fb9be36c3d94"`
[INFO] running `"docker" "rm" "-f" "2839264d4b5abf98199d343a0341a6a007be1196d5322a51f190fb9be36c3d94"`
[INFO] [stdout] 2839264d4b5abf98199d343a0341a6a007be1196d5322a51f190fb9be36c3d94