[INFO] cloning repository https://github.com/acim/tcp-mailbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acim/tcp-mailbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facim%2Ftcp-mailbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facim%2Ftcp-mailbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 534217447371de0a4416b29b8418e012a751a56c
[INFO] testing acim/tcp-mailbox 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%2Facim%2Ftcp-mailbox" "/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/acim/tcp-mailbox 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/acim/tcp-mailbox
[INFO] finished tweaking git repo https://github.com/acim/tcp-mailbox
[INFO] tweaked toml for git repo https://github.com/acim/tcp-mailbox written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/acim/tcp-mailbox 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] 49b66d69e0a62729d036a869c27d9eabda156b8da695bde0ad6b1a37931a5ad9
[INFO] running `Command { std: "docker" "start" "-a" "49b66d69e0a62729d036a869c27d9eabda156b8da695bde0ad6b1a37931a5ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b66d69e0a62729d036a869c27d9eabda156b8da695bde0ad6b1a37931a5ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b66d69e0a62729d036a869c27d9eabda156b8da695bde0ad6b1a37931a5ad9", kill_on_drop: false }`
[INFO] [stdout] 49b66d69e0a62729d036a869c27d9eabda156b8da695bde0ad6b1a37931a5ad9
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6c3a71c7999495a5c58597ab3d4d11137f8db9e14339726a403c16b36d090e0
[INFO] running `Command { std: "docker" "start" "-a" "e6c3a71c7999495a5c58597ab3d4d11137f8db9e14339726a403c16b36d090e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-mailbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "e6c3a71c7999495a5c58597ab3d4d11137f8db9e14339726a403c16b36d090e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c3a71c7999495a5c58597ab3d4d11137f8db9e14339726a403c16b36d090e0", kill_on_drop: false }`
[INFO] [stdout] e6c3a71c7999495a5c58597ab3d4d11137f8db9e14339726a403c16b36d090e0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aae1aaa4f297b7a1183c6d5d540b6ff5a2bc9fd7015c2d1accad3b4ffb8fc56c
[INFO] running `Command { std: "docker" "start" "-a" "aae1aaa4f297b7a1183c6d5d540b6ff5a2bc9fd7015c2d1accad3b4ffb8fc56c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-mailbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp_mailbox-e69b64610b90970f)
[INFO] running `Command { std: "docker" "inspect" "aae1aaa4f297b7a1183c6d5d540b6ff5a2bc9fd7015c2d1accad3b4ffb8fc56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae1aaa4f297b7a1183c6d5d540b6ff5a2bc9fd7015c2d1accad3b4ffb8fc56c", kill_on_drop: false }`
[INFO] [stdout] aae1aaa4f297b7a1183c6d5d540b6ff5a2bc9fd7015c2d1accad3b4ffb8fc56c
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba4d4c29c2781fd88f47633b2fd5eb287db24341114fe29a1b8a1d0068a52abd
[INFO] running `Command { std: "docker" "start" "-a" "ba4d4c29c2781fd88f47633b2fd5eb287db24341114fe29a1b8a1d0068a52abd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp_mailbox-e69b64610b90970f)
[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" "ba4d4c29c2781fd88f47633b2fd5eb287db24341114fe29a1b8a1d0068a52abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4d4c29c2781fd88f47633b2fd5eb287db24341114fe29a1b8a1d0068a52abd", kill_on_drop: false }`
[INFO] [stdout] ba4d4c29c2781fd88f47633b2fd5eb287db24341114fe29a1b8a1d0068a52abd