[INFO] fetching crate netsim-embed-nat 0.4.2...
[INFO] testing netsim-embed-nat-0.4.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate netsim-embed-nat 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate netsim-embed-nat 0.4.2
[INFO] finished tweaking crates.io crate netsim-embed-nat 0.4.2
[INFO] tweaked toml for crates.io crate netsim-embed-nat 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netsim-embed-nat 0.4.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10c89669b60ce1657f65edd64897524b52345cdffafd1021866d3c809dfaaa74
[INFO] running `Command { std: "docker" "start" "-a" "10c89669b60ce1657f65edd64897524b52345cdffafd1021866d3c809dfaaa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10c89669b60ce1657f65edd64897524b52345cdffafd1021866d3c809dfaaa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c89669b60ce1657f65edd64897524b52345cdffafd1021866d3c809dfaaa74", kill_on_drop: false }`
[INFO] [stdout] 10c89669b60ce1657f65edd64897524b52345cdffafd1021866d3c809dfaaa74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa784e2d2a99a0eb50ec1ec757d02b39d5c639ac8ac68ca38809f8a1b4fdb1f
[INFO] running `Command { std: "docker" "start" "-a" "2fa784e2d2a99a0eb50ec1ec757d02b39d5c639ac8ac68ca38809f8a1b4fdb1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling piper v0.2.5
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling libpacket-core v0.1.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.14.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling libpacket-derive v0.1.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling libpacket v0.1.2
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling netsim-embed-core v0.4.3
[INFO] [stderr]    Compiling netsim-embed-nat v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.19s
[INFO] running `Command { std: "docker" "inspect" "2fa784e2d2a99a0eb50ec1ec757d02b39d5c639ac8ac68ca38809f8a1b4fdb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa784e2d2a99a0eb50ec1ec757d02b39d5c639ac8ac68ca38809f8a1b4fdb1f", kill_on_drop: false }`
[INFO] [stdout] 2fa784e2d2a99a0eb50ec1ec757d02b39d5c639ac8ac68ca38809f8a1b4fdb1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1b01681538b5f9f5b0af6fe4d31cef72236b8a93b50289037a5caf5d186bea3
[INFO] running `Command { std: "docker" "start" "-a" "d1b01681538b5f9f5b0af6fe4d31cef72236b8a93b50289037a5caf5d186bea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling netsim-embed-nat v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "d1b01681538b5f9f5b0af6fe4d31cef72236b8a93b50289037a5caf5d186bea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b01681538b5f9f5b0af6fe4d31cef72236b8a93b50289037a5caf5d186bea3", kill_on_drop: false }`
[INFO] [stdout] d1b01681538b5f9f5b0af6fe4d31cef72236b8a93b50289037a5caf5d186bea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef8382b6dd34c7557df04f0d7611741adf70bbad0af75a0e905b89cec5727c73
[INFO] running `Command { std: "docker" "start" "-a" "ef8382b6dd34c7557df04f0d7611741adf70bbad0af75a0e905b89cec5727c73", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/netsim_embed_nat-e82c5da2aa5242a5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]    Doc-tests netsim_embed_nat
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "ef8382b6dd34c7557df04f0d7611741adf70bbad0af75a0e905b89cec5727c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8382b6dd34c7557df04f0d7611741adf70bbad0af75a0e905b89cec5727c73", kill_on_drop: false }`
[INFO] [stdout] ef8382b6dd34c7557df04f0d7611741adf70bbad0af75a0e905b89cec5727c73
