[INFO] cloning repository https://github.com/Kazetsukai/rust-net-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kazetsukai/rust-net-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazetsukai%2Frust-net-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazetsukai%2Frust-net-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 546422dd8f68d3a0783bd928c73ee95658aa1edd
[INFO] checking Kazetsukai/rust-net-test against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazetsukai%2Frust-net-test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kazetsukai/rust-net-test on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kazetsukai/rust-net-test
[INFO] finished tweaking git repo https://github.com/Kazetsukai/rust-net-test
[INFO] tweaked toml for git repo https://github.com/Kazetsukai/rust-net-test written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Kazetsukai/rust-net-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_cursor v0.3.1
[INFO] [stderr]   Downloaded crossterm_input v0.4.1
[INFO] [stderr]   Downloaded crossterm_terminal v0.3.1
[INFO] [stderr]   Downloaded crossterm_screen v0.3.1
[INFO] [stderr]   Downloaded crossterm_utils v0.3.1
[INFO] [stderr]   Downloaded crossterm v0.11.1
[INFO] [stderr]   Downloaded rand_pcg v0.2.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8cba27548c4faa7d271cee09b2092f556a6f29004932a028c2cda6b845751ab
[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" "a8cba27548c4faa7d271cee09b2092f556a6f29004932a028c2cda6b845751ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8cba27548c4faa7d271cee09b2092f556a6f29004932a028c2cda6b845751ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cba27548c4faa7d271cee09b2092f556a6f29004932a028c2cda6b845751ab", kill_on_drop: false }`
[INFO] [stdout] a8cba27548c4faa7d271cee09b2092f556a6f29004932a028c2cda6b845751ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00c2d000ce94b0d1dc1b7f769d329bab771af493ed5d72d7420b4053f814129a
[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" "00c2d000ce94b0d1dc1b7f769d329bab771af493ed5d72d7420b4053f814129a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crc v1.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossterm_utils v0.3.1
[INFO] [stderr]     Checking crossterm_cursor v0.3.1
[INFO] [stderr]     Checking crossterm_screen v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossterm_input v0.4.1
[INFO] [stderr]     Checking crossterm_terminal v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking crossterm v0.11.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking laminar v0.3.2
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking stepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.95s
[INFO] running `Command { std: "docker" "inspect" "00c2d000ce94b0d1dc1b7f769d329bab771af493ed5d72d7420b4053f814129a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c2d000ce94b0d1dc1b7f769d329bab771af493ed5d72d7420b4053f814129a", kill_on_drop: false }`
[INFO] [stdout] 00c2d000ce94b0d1dc1b7f769d329bab771af493ed5d72d7420b4053f814129a