[INFO] cloning repository https://github.com/povilasb/lanns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/povilasb/lanns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpovilasb%2Flanns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpovilasb%2Flanns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf987102f42c9af0a3dce03c8e8be9221d4b4754
[INFO] building povilasb/lanns against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpovilasb%2Flanns" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/povilasb/lanns on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/povilasb/lanns
[INFO] finished tweaking git repo https://github.com/povilasb/lanns
[INFO] tweaked toml for git repo https://github.com/povilasb/lanns written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/povilasb/lanns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/povilasb/hostman`
[INFO] [stderr]     Updating git submodule `https://github.com/libredrop/peer-discovery`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] [stderr]   Downloaded self_update v0.8.0
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] [stderr]   Downloaded hosts-parser v0.1.0
[INFO] [stderr]   Downloaded err-derive v0.3.0
[INFO] [stderr]   Downloaded zip v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d231a5f770968d9469b8cb9be0c98e33af0e330f75067c3fefec5299fe518c6
[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" "1d231a5f770968d9469b8cb9be0c98e33af0e330f75067c3fefec5299fe518c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d231a5f770968d9469b8cb9be0c98e33af0e330f75067c3fefec5299fe518c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d231a5f770968d9469b8cb9be0c98e33af0e330f75067c3fefec5299fe518c6", kill_on_drop: false }`
[INFO] [stdout] 1d231a5f770968d9469b8cb9be0c98e33af0e330f75067c3fefec5299fe518c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06caa473321cc73401d3a2056816aa19a92318ffae32480a10fcd93b0f95e3f9
[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" "06caa473321cc73401d3a2056816aa19a92318ffae32480a10fcd93b0f95e3f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling self_update v0.8.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling futures-timer v0.4.0
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/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 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=87e9a0bf275eee12 -C extra-filename=-87e9a0bf275eee12 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "06caa473321cc73401d3a2056816aa19a92318ffae32480a10fcd93b0f95e3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06caa473321cc73401d3a2056816aa19a92318ffae32480a10fcd93b0f95e3f9", kill_on_drop: false }`
[INFO] [stdout] 06caa473321cc73401d3a2056816aa19a92318ffae32480a10fcd93b0f95e3f9
