[INFO] fetching crate tcp-test 0.1.0...
[INFO] testing tcp-test-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tcp-test 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tcp-test 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcp-test 0.1.0
[INFO] finished tweaking crates.io crate tcp-test 0.1.0
[INFO] tweaked toml for crates.io crate tcp-test 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44a474260c183940c2f342d41991dc0e700360b8e3a9c18a93ff33110f909809
[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" "44a474260c183940c2f342d41991dc0e700360b8e3a9c18a93ff33110f909809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44a474260c183940c2f342d41991dc0e700360b8e3a9c18a93ff33110f909809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a474260c183940c2f342d41991dc0e700360b8e3a9c18a93ff33110f909809", kill_on_drop: false }`
[INFO] [stdout] 44a474260c183940c2f342d41991dc0e700360b8e3a9c18a93ff33110f909809
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a055c8fe8c38bd29629eab7acfc58be92c3d183cb79e1d0672a8538465ffd544
[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" "a055c8fe8c38bd29629eab7acfc58be92c3d183cb79e1d0672a8538465ffd544", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a055c8fe8c38bd29629eab7acfc58be92c3d183cb79e1d0672a8538465ffd544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a055c8fe8c38bd29629eab7acfc58be92c3d183cb79e1d0672a8538465ffd544", kill_on_drop: false }`
[INFO] [stdout] a055c8fe8c38bd29629eab7acfc58be92c3d183cb79e1d0672a8538465ffd544
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b718576b02dbcb4ed609ec9f89756360bb8a1f854bb3254be65d7a86cfda2fc7
[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" "b718576b02dbcb4ed609ec9f89756360bb8a1f854bb3254be65d7a86cfda2fc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "b718576b02dbcb4ed609ec9f89756360bb8a1f854bb3254be65d7a86cfda2fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b718576b02dbcb4ed609ec9f89756360bb8a1f854bb3254be65d7a86cfda2fc7", kill_on_drop: false }`
[INFO] [stdout] b718576b02dbcb4ed609ec9f89756360bb8a1f854bb3254be65d7a86cfda2fc7
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b28d70108172bf9d47adf8d2a8f88937cccd149ad803c54d04a1a4f03c5ba94
[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" "1b28d70108172bf9d47adf8d2a8f88937cccd149ad803c54d04a1a4f03c5ba94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_test-514f890cd2ea8f26)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::read_assert_ok ... ok
[INFO] [stdout] test tests::channel_2 ... ok
[INFO] [stdout] test tests::channel_3 ... ok
[INFO] [stdout] test tests::channel_0 ... ok
[INFO] [stdout] test tests::resolve_ok ... ok
[INFO] [stdout] test tests::channel_4 ... ok
[INFO] [stdout] test tests::channel_1 ... ok
[INFO] [stdout] test tests::resolve_err - should panic ... ok
[INFO] [stdout] test tests::read_assert_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mass_channel.rs (/opt/rustwide/target/debug/deps/mass_channel-fe9e64a00574adc4)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test channel_1 ... ok
[INFO] [stdout] test channel_2 ... ok
[INFO] [stdout] test channel_0 ... ok
[INFO] [stdout] test channel_3 ... ok
[INFO] [stdout] test channel_6 ... ok
[INFO] [stdout] test channel_7 ... ok
[INFO] [stdout] test channel_8 ... ok
[INFO] [stdout] test channel_4 ... ok
[INFO] [stdout] test channel_5 ... ok
[INFO] [stdout] test channel_9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcp-test
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - channel_on (line 158) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - channel (line 117) ... ok
[INFO] [stdout] test src/lib.rs - read_assert (line 224) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b28d70108172bf9d47adf8d2a8f88937cccd149ad803c54d04a1a4f03c5ba94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b28d70108172bf9d47adf8d2a8f88937cccd149ad803c54d04a1a4f03c5ba94", kill_on_drop: false }`
[INFO] [stdout] 1b28d70108172bf9d47adf8d2a8f88937cccd149ad803c54d04a1a4f03c5ba94