[INFO] cloning repository https://github.com/lloydganal/rust-echo-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lloydganal/rust-echo-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flloydganal%2Frust-echo-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flloydganal%2Frust-echo-protocol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56a12a18bb6069517c7e48b80fc0fe8c80924de0
[INFO] checking lloydganal/rust-echo-protocol against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flloydganal%2Frust-echo-protocol" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lloydganal/rust-echo-protocol on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lloydganal/rust-echo-protocol
[INFO] finished tweaking git repo https://github.com/lloydganal/rust-echo-protocol
[INFO] tweaked toml for git repo https://github.com/lloydganal/rust-echo-protocol written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/lloydganal/rust-echo-protocol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c390eb8be916e341b3ea941de9a0866da457af42047d55f33b53b6d77be6a48f
[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" "c390eb8be916e341b3ea941de9a0866da457af42047d55f33b53b6d77be6a48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c390eb8be916e341b3ea941de9a0866da457af42047d55f33b53b6d77be6a48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c390eb8be916e341b3ea941de9a0866da457af42047d55f33b53b6d77be6a48f", kill_on_drop: false }`
[INFO] [stdout] c390eb8be916e341b3ea941de9a0866da457af42047d55f33b53b6d77be6a48f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85de1d19ca3e52eb769ad2f313653c9a8b7f44aaf05076aa42d6c56bbb91b0ef
[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" "85de1d19ca3e52eb769ad2f313653c9a8b7f44aaf05076aa42d6c56bbb91b0ef", kill_on_drop: false }`
[INFO] [stderr]     Checking echo-protocol v0.1.0 (/opt/rustwide/workdir/echo-protocol)
[INFO] [stderr]     Checking echo-client v0.1.0 (/opt/rustwide/workdir/echo-client)
[INFO] [stderr]     Checking echo-server v0.1.0 (/opt/rustwide/workdir/echo-server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "85de1d19ca3e52eb769ad2f313653c9a8b7f44aaf05076aa42d6c56bbb91b0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85de1d19ca3e52eb769ad2f313653c9a8b7f44aaf05076aa42d6c56bbb91b0ef", kill_on_drop: false }`
[INFO] [stdout] 85de1d19ca3e52eb769ad2f313653c9a8b7f44aaf05076aa42d6c56bbb91b0ef