[INFO] cloning repository https://github.com/dbeck/tcp-echo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbeck/tcp-echo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbeck%2Ftcp-echo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbeck%2Ftcp-echo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb4c07335482d0063fba3f0cc7d41d32a46f510b
[INFO] testing dbeck/tcp-echo-rs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbeck%2Ftcp-echo-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbeck/tcp-echo-rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbeck/tcp-echo-rs
[INFO] finished tweaking git repo https://github.com/dbeck/tcp-echo-rs
[INFO] tweaked toml for git repo https://github.com/dbeck/tcp-echo-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dbeck/tcp-echo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded lossyq v0.1.19
[INFO] [stderr]   Downloaded acto-rs v0.4.0
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded mio v0.6.0
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 2f33278b6dde9f2f5866be938d68805f1fa9bab1b0f565b714c450846c922b4e
[INFO] running `Command { std: "docker" "start" "-a" "2f33278b6dde9f2f5866be938d68805f1fa9bab1b0f565b714c450846c922b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f33278b6dde9f2f5866be938d68805f1fa9bab1b0f565b714c450846c922b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f33278b6dde9f2f5866be938d68805f1fa9bab1b0f565b714c450846c922b4e", kill_on_drop: false }`
[INFO] [stdout] 2f33278b6dde9f2f5866be938d68805f1fa9bab1b0f565b714c450846c922b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744d4a5a71cbd2a1cb5a88d1429ccf08bc80fb02049e81376f54f86ddb344562
[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" "744d4a5a71cbd2a1cb5a88d1429ccf08bc80fb02049e81376f54f86ddb344562", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lossyq v0.1.19
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling acto-rs v0.4.0
[INFO] [stderr]    Compiling mio v0.6.0
[INFO] [stderr]    Compiling tcp-echo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `channel_id`
[INFO] [stdout]   --> src/handle_parsed.rs:12:59
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let &mut ChannelWrapper::ConnectedReceiver(ref mut channel_id,
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "744d4a5a71cbd2a1cb5a88d1429ccf08bc80fb02049e81376f54f86ddb344562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744d4a5a71cbd2a1cb5a88d1429ccf08bc80fb02049e81376f54f86ddb344562", kill_on_drop: false }`
[INFO] [stdout] 744d4a5a71cbd2a1cb5a88d1429ccf08bc80fb02049e81376f54f86ddb344562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 451ff01c5b1f46cf237d92eb6d01087290768963c9ad0a9f11ec4bacc5c6c80e
[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" "451ff01c5b1f46cf237d92eb6d01087290768963c9ad0a9f11ec4bacc5c6c80e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-echo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `channel_id`
[INFO] [stdout]   --> src/handle_parsed.rs:12:59
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let &mut ChannelWrapper::ConnectedReceiver(ref mut channel_id,
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "451ff01c5b1f46cf237d92eb6d01087290768963c9ad0a9f11ec4bacc5c6c80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451ff01c5b1f46cf237d92eb6d01087290768963c9ad0a9f11ec4bacc5c6c80e", kill_on_drop: false }`
[INFO] [stdout] 451ff01c5b1f46cf237d92eb6d01087290768963c9ad0a9f11ec4bacc5c6c80e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f865444ac1ab2aa9a0b1eacd1ff7e61ada7689abeb63c723234b1aebb63c631
[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" "2f865444ac1ab2aa9a0b1eacd1ff7e61ada7689abeb63c723234b1aebb63c631", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `channel_id`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/handle_parsed.rs:12:59
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 12 |     if let &mut ChannelWrapper::ConnectedReceiver(ref mut channel_id,
[INFO] [stdout] 
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-echo` (bin "tcp-echo" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_echo-c21902c01ac30b5f)
[INFO] running `Command { std: "docker" "inspect" "2f865444ac1ab2aa9a0b1eacd1ff7e61ada7689abeb63c723234b1aebb63c631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f865444ac1ab2aa9a0b1eacd1ff7e61ada7689abeb63c723234b1aebb63c631", kill_on_drop: false }`
[INFO] [stdout] 2f865444ac1ab2aa9a0b1eacd1ff7e61ada7689abeb63c723234b1aebb63c631