[INFO] cloning repository https://github.com/vitiral/artifact
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitiral/artifact" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitiral%2Fartifact", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitiral%2Fartifact'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b46103a2f8a4012b4f0555fbcf3cc151c93a6af
[INFO] checking vitiral/artifact against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitiral%2Fartifact" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitiral/artifact on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitiral/artifact
[INFO] finished tweaking git repo https://github.com/vitiral/artifact
[INFO] tweaked toml for git repo https://github.com/vitiral/artifact written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vitiral/artifact already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61e2ea048628b286c68b6adc06584725b5743f7290cfac6733a648bb3a684e9d
[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" "61e2ea048628b286c68b6adc06584725b5743f7290cfac6733a648bb3a684e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e2ea048628b286c68b6adc06584725b5743f7290cfac6733a648bb3a684e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e2ea048628b286c68b6adc06584725b5743f7290cfac6733a648bb3a684e9d", kill_on_drop: false }`
[INFO] [stdout] 61e2ea048628b286c68b6adc06584725b5743f7290cfac6733a648bb3a684e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4639908c08d40d08db7270663277a9381f2c83bc9ee30d48177871becdf55c
[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" "9e4639908c08d40d08db7270663277a9381f2c83bc9ee30d48177871becdf55c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking expect_macro v0.2.1
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]     Checking taken v0.1.1
[INFO] [stderr]     Checking shellexpand v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.16
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling stdweb v0.4.14
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mustache v0.8.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking libflate v0.1.20
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling configure_derive v0.1.1
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tabwriter v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]     Checking error-chain v0.10.0
[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-0.11.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=121ce2c12348b56d -C extra-filename=-121ce2c12348b56d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-44e95351d5c34c9b.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-f5e17ae785639b51.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b2bba38458f6d13b.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-119da90aa4f28a40.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" "9e4639908c08d40d08db7270663277a9381f2c83bc9ee30d48177871becdf55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4639908c08d40d08db7270663277a9381f2c83bc9ee30d48177871becdf55c", kill_on_drop: false }`
[INFO] [stdout] 9e4639908c08d40d08db7270663277a9381f2c83bc9ee30d48177871becdf55c