[INFO] updating cached repository https://github.com/fzzzy/send-rust-websocket
[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] fbc9f51a8f3526188cedfae8339d7219865df945
[INFO] checking fzzzy/send-rust-websocket against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzzzy%2Fsend-rust-websocket" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fzzzy/send-rust-websocket on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fzzzy/send-rust-websocket
[INFO] finished tweaking git repo https://github.com/fzzzy/send-rust-websocket
[INFO] tweaked toml for git repo https://github.com/fzzzy/send-rust-websocket written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fzzzy/send-rust-websocket already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 3f107e2f6c30abd42ccfdb1f9f7025631d2c97da677dcbbfb93b602ed09c5e3a
[INFO] running `"docker" "start" "-a" "3f107e2f6c30abd42ccfdb1f9f7025631d2c97da677dcbbfb93b602ed09c5e3a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling actix-web v0.7.17
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking websocket v0.22.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking send-rust-websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `"docker" "inspect" "3f107e2f6c30abd42ccfdb1f9f7025631d2c97da677dcbbfb93b602ed09c5e3a"`
[INFO] running `"docker" "rm" "-f" "3f107e2f6c30abd42ccfdb1f9f7025631d2c97da677dcbbfb93b602ed09c5e3a"`
[INFO] [stdout] 3f107e2f6c30abd42ccfdb1f9f7025631d2c97da677dcbbfb93b602ed09c5e3a