[INFO] fetching crate seraphic 0.1.55...
[INFO] testing seraphic-0.1.55 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate seraphic 0.1.55 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate seraphic 0.1.55
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate seraphic 0.1.55
[INFO] tweaked toml for crates.io crate seraphic 0.1.55 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seraphic 0.1.55 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac0b5ed6ebcc1bdec5d2beaa9035880fa915bf8225f2ce77cb73eef1defc17b
[INFO] running `Command { std: "docker" "start" "-a" "eac0b5ed6ebcc1bdec5d2beaa9035880fa915bf8225f2ce77cb73eef1defc17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac0b5ed6ebcc1bdec5d2beaa9035880fa915bf8225f2ce77cb73eef1defc17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac0b5ed6ebcc1bdec5d2beaa9035880fa915bf8225f2ce77cb73eef1defc17b", kill_on_drop: false }`
[INFO] [stdout] eac0b5ed6ebcc1bdec5d2beaa9035880fa915bf8225f2ce77cb73eef1defc17b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc1384b72f3983974360c76b0d32fe2a329212ee5cc292f0d0e3ef512b7f461
[INFO] running `Command { std: "docker" "start" "-a" "0fc1384b72f3983974360c76b0d32fe2a329212ee5cc292f0d0e3ef512b7f461", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling seraphic-derive v0.1.52
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling seraphic v0.1.55 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "0fc1384b72f3983974360c76b0d32fe2a329212ee5cc292f0d0e3ef512b7f461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc1384b72f3983974360c76b0d32fe2a329212ee5cc292f0d0e3ef512b7f461", kill_on_drop: false }`
[INFO] [stdout] 0fc1384b72f3983974360c76b0d32fe2a329212ee5cc292f0d0e3ef512b7f461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e9851c1acd44acc3a483d0245d02562ca38a319b6af0e11c1fe06080b1ad61
[INFO] running `Command { std: "docker" "start" "-a" "b2e9851c1acd44acc3a483d0245d02562ca38a319b6af0e11c1fe06080b1ad61", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling seraphic v0.1.55 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> tests/lib/sync_io.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufReader, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "b2e9851c1acd44acc3a483d0245d02562ca38a319b6af0e11c1fe06080b1ad61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e9851c1acd44acc3a483d0245d02562ca38a319b6af0e11c1fe06080b1ad61", kill_on_drop: false }`
[INFO] [stdout] b2e9851c1acd44acc3a483d0245d02562ca38a319b6af0e11c1fe06080b1ad61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb841d0658c242a062d31070efd75970e2da27fbe4f28427cb3aef80cb49c3d7
[INFO] running `Command { std: "docker" "start" "-a" "fb841d0658c242a062d31070efd75970e2da27fbe4f28427cb3aef80cb49c3d7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> tests/lib/sync_io.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufReader, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `seraphic` (test "lib") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seraphic-66c5d9ee533bc183)
[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]      Running tests/lib/main.rs (/opt/rustwide/target/debug/deps/lib-17986c7c6ceac053)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test sync_io::test_tcp_packet_read_write ... ok
[INFO] [stdout] test async_io::test_async_tcp_packet_read_write ... ok
[INFO] [stdout] test serde_::message_serde ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests seraphic
[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" "fb841d0658c242a062d31070efd75970e2da27fbe4f28427cb3aef80cb49c3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb841d0658c242a062d31070efd75970e2da27fbe4f28427cb3aef80cb49c3d7", kill_on_drop: false }`
[INFO] [stdout] fb841d0658c242a062d31070efd75970e2da27fbe4f28427cb3aef80cb49c3d7