[INFO] updating cached repository https://github.com/mverleg/mwe_ws_rs_connectivity_issues
[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] 127da580bfd15593bdb18bdfcaf0119cbd565f6c
[INFO] checking mverleg/mwe_ws_rs_connectivity_issues against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fmwe_ws_rs_connectivity_issues" "/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/mverleg/mwe_ws_rs_connectivity_issues on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mverleg/mwe_ws_rs_connectivity_issues
[INFO] finished tweaking git repo https://github.com/mverleg/mwe_ws_rs_connectivity_issues
[INFO] tweaked toml for git repo https://github.com/mverleg/mwe_ws_rs_connectivity_issues written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mverleg/mwe_ws_rs_connectivity_issues already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] af2357eb049f83b64873a7546af1dcdb51d2703c7a9c56e0107db591e7f16f6a
[INFO] running `"docker" "start" "-a" "af2357eb049f83b64873a7546af1dcdb51d2703c7a9c56e0107db591e7f16f6a"`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]     Checking debug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.90s
[INFO] running `"docker" "inspect" "af2357eb049f83b64873a7546af1dcdb51d2703c7a9c56e0107db591e7f16f6a"`
[INFO] running `"docker" "rm" "-f" "af2357eb049f83b64873a7546af1dcdb51d2703c7a9c56e0107db591e7f16f6a"`
[INFO] [stdout] af2357eb049f83b64873a7546af1dcdb51d2703c7a9c56e0107db591e7f16f6a