[INFO] cloning repository https://github.com/the-minimal-blockchain/tmb-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the-minimal-blockchain/tmb-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-minimal-blockchain%2Ftmb-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-minimal-blockchain%2Ftmb-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae1f87e652187d6bfdcfe9ea94a17e025ba889fa
[INFO] testing the-minimal-blockchain/tmb-rust against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-minimal-blockchain%2Ftmb-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/the-minimal-blockchain/tmb-rust
[INFO] finished tweaking git repo https://github.com/the-minimal-blockchain/tmb-rust
[INFO] tweaked toml for git repo https://github.com/the-minimal-blockchain/tmb-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/the-minimal-blockchain/tmb-rust on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/the-minimal-blockchain/tmb-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e608a764841da32eb0276c585163e377709be9e7404ebd63bf7051c9e2c2007d
[INFO] running `Command { std: "docker" "start" "-a" "e608a764841da32eb0276c585163e377709be9e7404ebd63bf7051c9e2c2007d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e608a764841da32eb0276c585163e377709be9e7404ebd63bf7051c9e2c2007d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e608a764841da32eb0276c585163e377709be9e7404ebd63bf7051c9e2c2007d", kill_on_drop: false }`
[INFO] [stdout] e608a764841da32eb0276c585163e377709be9e7404ebd63bf7051c9e2c2007d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afbbbb9cba10d285cb030d1831380f62ec8c790df391f95ecbd72cfe61988f5
[INFO] running `Command { std: "docker" "start" "-a" "7afbbbb9cba10d285cb030d1831380f62ec8c790df391f95ecbd72cfe61988f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tmb-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn tcp_server() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_client` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn tcp_client() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "7afbbbb9cba10d285cb030d1831380f62ec8c790df391f95ecbd72cfe61988f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afbbbb9cba10d285cb030d1831380f62ec8c790df391f95ecbd72cfe61988f5", kill_on_drop: false }`
[INFO] [stdout] 7afbbbb9cba10d285cb030d1831380f62ec8c790df391f95ecbd72cfe61988f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81b272ca155c6f3d51e3e029151ed93841e1f17a5890136fb392a08c86f3424
[INFO] running `Command { std: "docker" "start" "-a" "b81b272ca155c6f3d51e3e029151ed93841e1f17a5890136fb392a08c86f3424", kill_on_drop: false }`
[INFO] [stderr]    Compiling tmb-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "b81b272ca155c6f3d51e3e029151ed93841e1f17a5890136fb392a08c86f3424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81b272ca155c6f3d51e3e029151ed93841e1f17a5890136fb392a08c86f3424", kill_on_drop: false }`
[INFO] [stdout] b81b272ca155c6f3d51e3e029151ed93841e1f17a5890136fb392a08c86f3424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb2c3d92f2f9a7c22651a8d532da04535307f0b48807294af0c33be27ffcef5d
[INFO] running `Command { std: "docker" "start" "-a" "eb2c3d92f2f9a7c22651a8d532da04535307f0b48807294af0c33be27ffcef5d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tmb_rust-da4ded3cef4ab47d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::tcp_client_test ... ok
[INFO] [stdout] test tests::tcp_server_test has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "eb2c3d92f2f9a7c22651a8d532da04535307f0b48807294af0c33be27ffcef5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2c3d92f2f9a7c22651a8d532da04535307f0b48807294af0c33be27ffcef5d", kill_on_drop: false }`
[INFO] [stdout] eb2c3d92f2f9a7c22651a8d532da04535307f0b48807294af0c33be27ffcef5d
