[INFO] cloning repository https://github.com/AlxGDev/chanmarkov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlxGDev/chanmarkov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlxGDev%2Fchanmarkov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlxGDev%2Fchanmarkov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4285947f4f3d8f163969133beb730f98102bdb5f
[INFO] testing AlxGDev/chanmarkov against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlxGDev%2Fchanmarkov" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlxGDev/chanmarkov on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlxGDev/chanmarkov
[INFO] finished tweaking git repo https://github.com/AlxGDev/chanmarkov
[INFO] tweaked toml for git repo https://github.com/AlxGDev/chanmarkov written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AlxGDev/chanmarkov already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.3
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.0-alpha.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.5.0-alpha.5
[INFO] [stderr]   Downloaded synstructure v0.10.0
[INFO] [stderr]   Downloaded arc-swap v0.3.4
[INFO] [stderr]   Downloaded signal-hook v0.1.5
[INFO] [stderr]   Downloaded actix v0.7.5
[INFO] [stderr]   Downloaded hyper v0.12.13
[INFO] [stderr]   Downloaded syn v0.15.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] df06775633ec26b3469bb2ab826c15186340e331637a6c62fc8a7bbf2d4a22cb
[INFO] running `Command { std: "docker" "start" "-a" "df06775633ec26b3469bb2ab826c15186340e331637a6c62fc8a7bbf2d4a22cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df06775633ec26b3469bb2ab826c15186340e331637a6c62fc8a7bbf2d4a22cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df06775633ec26b3469bb2ab826c15186340e331637a6c62fc8a7bbf2d4a22cb", kill_on_drop: false }`
[INFO] [stdout] df06775633ec26b3469bb2ab826c15186340e331637a6c62fc8a7bbf2d4a22cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12617602a2325b86f01fbd72bc957df00a631204a39f670003f23f1e4d5eebb5
[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" "12617602a2325b86f01fbd72bc957df00a631204a39f670003f23f1e4d5eebb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling arc-swap v0.3.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling actix-web v0.7.13
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.1.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling markovchain v0.1.0 (/opt/rustwide/workdir/markovchain)
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling flate2 v1.0.4
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling env_logger v0.5.13
[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-0.5.6/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=fb8f4286fca3b56d -C extra-filename=-fb8f4286fca3b56d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-944af7ca7193e5f9.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" "12617602a2325b86f01fbd72bc957df00a631204a39f670003f23f1e4d5eebb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12617602a2325b86f01fbd72bc957df00a631204a39f670003f23f1e4d5eebb5", kill_on_drop: false }`
[INFO] [stdout] 12617602a2325b86f01fbd72bc957df00a631204a39f670003f23f1e4d5eebb5