[INFO] updating cached repository https://github.com/12101111/nettest
[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] [stderr] From https://github.com/12101111/nettest
[INFO] [stderr]  * [new branch]      quic       -> quic
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1b164f442866056533b76b95911481de958e278
[INFO] checking 12101111/nettest against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F12101111%2Fnettest" "/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/12101111/nettest on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/12101111/nettest
[INFO] finished tweaking git repo https://github.com/12101111/nettest
[INFO] tweaked toml for git repo https://github.com/12101111/nettest written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/12101111/nettest already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 43ce0e63fb25022f91596ecb648d11fecef1e21c67ebfb327684ad08f2f67a10
[INFO] running `"docker" "start" "-a" "43ce0e63fb25022f91596ecb648d11fecef1e21c67ebfb327684ad08f2f67a10"`
[INFO] [stderr]     Checking rand_core v0.5.1 (https://github.com/rust-random/rand.git#0c864518)
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking socket2 v0.3.11 (https://github.com/alexcrichton/socket2-rs.git#8a55a007)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand v0.7.3 (https://github.com/rust-random/rand.git#0c864518)
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking ureq v0.12.0
[INFO] [stderr]     Checking nettest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.65s
[INFO] running `"docker" "inspect" "43ce0e63fb25022f91596ecb648d11fecef1e21c67ebfb327684ad08f2f67a10"`
[INFO] running `"docker" "rm" "-f" "43ce0e63fb25022f91596ecb648d11fecef1e21c67ebfb327684ad08f2f67a10"`
[INFO] [stdout] 43ce0e63fb25022f91596ecb648d11fecef1e21c67ebfb327684ad08f2f67a10