[INFO] cloning repository https://github.com/imstar15/rust_tcp_server_riw3478
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imstar15/rust_tcp_server_riw3478" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimstar15%2Frust_tcp_server_riw3478", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimstar15%2Frust_tcp_server_riw3478'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 526a5a4a43224e2d0cceb81b9a1119cf291ea75b
[INFO] testing imstar15/rust_tcp_server_riw3478 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimstar15%2Frust_tcp_server_riw3478" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imstar15/rust_tcp_server_riw3478 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imstar15/rust_tcp_server_riw3478
[INFO] finished tweaking git repo https://github.com/imstar15/rust_tcp_server_riw3478
[INFO] tweaked toml for git repo https://github.com/imstar15/rust_tcp_server_riw3478 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/imstar15/rust_tcp_server_riw3478 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c11e26f8e02f5ce78325eaee5661e1ec3f80c15d45c03dd357b881fe4b1a1bd8
[INFO] running `Command { std: "docker" "start" "-a" "c11e26f8e02f5ce78325eaee5661e1ec3f80c15d45c03dd357b881fe4b1a1bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c11e26f8e02f5ce78325eaee5661e1ec3f80c15d45c03dd357b881fe4b1a1bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11e26f8e02f5ce78325eaee5661e1ec3f80c15d45c03dd357b881fe4b1a1bd8", kill_on_drop: false }`
[INFO] [stdout] c11e26f8e02f5ce78325eaee5661e1ec3f80c15d45c03dd357b881fe4b1a1bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4c3cd31f2d1dae069292d05311e1f2489fbd08e46d8c43e87b9ece8119ac73
[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" "cb4c3cd31f2d1dae069292d05311e1f2489fbd08e46d8c43e87b9ece8119ac73", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "cb4c3cd31f2d1dae069292d05311e1f2489fbd08e46d8c43e87b9ece8119ac73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4c3cd31f2d1dae069292d05311e1f2489fbd08e46d8c43e87b9ece8119ac73", kill_on_drop: false }`
[INFO] [stdout] cb4c3cd31f2d1dae069292d05311e1f2489fbd08e46d8c43e87b9ece8119ac73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6334c4cccf585088989487766cc5e02e5d58d93e62e4bf21e74088fa7af8e864
[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" "6334c4cccf585088989487766cc5e02e5d58d93e62e4bf21e74088fa7af8e864", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_server-092647d14fa531a5)
[INFO] running `Command { std: "docker" "inspect" "6334c4cccf585088989487766cc5e02e5d58d93e62e4bf21e74088fa7af8e864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6334c4cccf585088989487766cc5e02e5d58d93e62e4bf21e74088fa7af8e864", kill_on_drop: false }`
[INFO] [stdout] 6334c4cccf585088989487766cc5e02e5d58d93e62e4bf21e74088fa7af8e864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b38977d3cfa21ec2a52dcd33a3f6d609612c7b5eb733cac50e51b5da2e3b334f
[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" "b38977d3cfa21ec2a52dcd33a3f6d609612c7b5eb733cac50e51b5da2e3b334f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_server-092647d14fa531a5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b38977d3cfa21ec2a52dcd33a3f6d609612c7b5eb733cac50e51b5da2e3b334f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38977d3cfa21ec2a52dcd33a3f6d609612c7b5eb733cac50e51b5da2e3b334f", kill_on_drop: false }`
[INFO] [stdout] b38977d3cfa21ec2a52dcd33a3f6d609612c7b5eb733cac50e51b5da2e3b334f