[INFO] fetching crate virtual-net 0.601.0-rc.5...
[INFO] building virtual-net-0.601.0-rc.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate virtual-net 0.601.0-rc.5 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate virtual-net 0.601.0-rc.5
[INFO] finished tweaking crates.io crate virtual-net 0.601.0-rc.5
[INFO] tweaked toml for crates.io crate virtual-net 0.601.0-rc.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtual-net 0.601.0-rc.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virtual-net 0.601.0-rc.5 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d49b348115503cd15601458589461c231f3273c79d8f68fc5c07cb8df2ff2e5
[INFO] running `Command { std: "docker" "start" "-a" "2d49b348115503cd15601458589461c231f3273c79d8f68fc5c07cb8df2ff2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d49b348115503cd15601458589461c231f3273c79d8f68fc5c07cb8df2ff2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d49b348115503cd15601458589461c231f3273c79d8f68fc5c07cb8df2ff2e5", kill_on_drop: false }`
[INFO] [stdout] 2d49b348115503cd15601458589461c231f3273c79d8f68fc5c07cb8df2ff2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a8c276e287d1397f1cff8dd5737b4131ef89ab833cf5a454dd16c35ee8b5a37
[INFO] running `Command { std: "docker" "start" "-a" "7a8c276e287d1397f1cff8dd5737b4131ef89ab833cf5a454dd16c35ee8b5a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling iprange v0.6.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling smoltcp v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.5.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling tungstenite v0.24.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling virtual-mio v0.601.0-rc.5
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-tungstenite v0.24.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling tokio-serde v0.9.0
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling hyper-tungstenite v0.13.0
[INFO] [stderr]    Compiling virtual-net v0.601.0-rc.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FailOnWrite` is never constructed
[INFO] [stdout]   --> src/rx_tx.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct FailOnWrite {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.26s
[INFO] running `Command { std: "docker" "inspect" "7a8c276e287d1397f1cff8dd5737b4131ef89ab833cf5a454dd16c35ee8b5a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8c276e287d1397f1cff8dd5737b4131ef89ab833cf5a454dd16c35ee8b5a37", kill_on_drop: false }`
[INFO] [stdout] 7a8c276e287d1397f1cff8dd5737b4131ef89ab833cf5a454dd16c35ee8b5a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc760afb702739e4e708aec047acecef71291082a40dd6eb66dfd398d6b74552
[INFO] running `Command { std: "docker" "start" "-a" "bc760afb702739e4e708aec047acecef71291082a40dd6eb66dfd398d6b74552", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling tungstenite v0.24.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling virtual-mio v0.601.0-rc.5
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tracing-test v0.2.5
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-tungstenite v0.24.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling hyper-tungstenite v0.13.0
[INFO] [stderr]    Compiling virtual-net v0.601.0-rc.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FailOnWrite` is never constructed
[INFO] [stdout]   --> src/rx_tx.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct FailOnWrite {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FailOnWrite` is never constructed
[INFO] [stdout]   --> src/rx_tx.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct FailOnWrite {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.38s
[INFO] running `Command { std: "docker" "inspect" "bc760afb702739e4e708aec047acecef71291082a40dd6eb66dfd398d6b74552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc760afb702739e4e708aec047acecef71291082a40dd6eb66dfd398d6b74552", kill_on_drop: false }`
[INFO] [stdout] bc760afb702739e4e708aec047acecef71291082a40dd6eb66dfd398d6b74552