[INFO] fetching crate sfo-split 0.1.7...
[INFO] testing sfo-split-0.1.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sfo-split 0.1.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sfo-split 0.1.7
[INFO] finished tweaking crates.io crate sfo-split 0.1.7
[INFO] tweaked toml for crates.io crate sfo-split 0.1.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sfo-split 0.1.7 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] crate crates.io crate sfo-split 0.1.7 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e8540cf15a752bf3df3d6c465523d442b7717ff8c467d2942092e70d30f9539d
[INFO] running `Command { std: "docker" "start" "-a" "e8540cf15a752bf3df3d6c465523d442b7717ff8c467d2942092e70d30f9539d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8540cf15a752bf3df3d6c465523d442b7717ff8c467d2942092e70d30f9539d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8540cf15a752bf3df3d6c465523d442b7717ff8c467d2942092e70d30f9539d", kill_on_drop: false }`
[INFO] [stdout] e8540cf15a752bf3df3d6c465523d442b7717ff8c467d2942092e70d30f9539d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e6e202607eee48c0066ce9ed52336aa3ffe4053fd58ce814aeec415c87e038d5
[INFO] running `Command { std: "docker" "start" "-a" "e6e202607eee48c0066ce9ed52336aa3ffe4053fd58ce814aeec415c87e038d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfo-split v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/splittable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/splittable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/splittable.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e6e202607eee48c0066ce9ed52336aa3ffe4053fd58ce814aeec415c87e038d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e202607eee48c0066ce9ed52336aa3ffe4053fd58ce814aeec415c87e038d5", kill_on_drop: false }`
[INFO] [stdout] e6e202607eee48c0066ce9ed52336aa3ffe4053fd58ce814aeec415c87e038d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f19e3cd892f70df8aaaf29bad5cc9e1560bc870202ad43ccbbe4d064364cb96e
[INFO] running `Command { std: "docker" "start" "-a" "f19e3cd892f70df8aaaf29bad5cc9e1560bc870202ad43ccbbe4d064364cb96e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfo-split v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/splittable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/splittable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/splittable.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/splittable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/splittable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/splittable.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f19e3cd892f70df8aaaf29bad5cc9e1560bc870202ad43ccbbe4d064364cb96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19e3cd892f70df8aaaf29bad5cc9e1560bc870202ad43ccbbe4d064364cb96e", kill_on_drop: false }`
[INFO] [stdout] f19e3cd892f70df8aaaf29bad5cc9e1560bc870202ad43ccbbe4d064364cb96e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 602989490cd9eea803d2b65c266a86c3587d10f11a68da63bc7b107671ae590c
[INFO] running `Command { std: "docker" "start" "-a" "602989490cd9eea803d2b65c266a86c3587d10f11a68da63bc7b107671ae590c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/splittable.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]  --> src/splittable.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::pin::Pin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context` and `Poll`
[INFO] [stderr]  --> src/splittable.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::task::{Context, Poll};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sfo-split` (lib) generated 3 warnings (run `cargo fix --lib -p sfo-split` to apply 3 suggestions)
[INFO] [stderr] warning: `sfo-split` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sfo_split-d18c9c9388ed1536)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test split::tests::test_halves_from_different_streams_are_not_paired ... ok
[INFO] [stdout] test split::tests::test_with_lock_functionality ... ok
[INFO] [stdout] test splittable::tests::test ... ok
[INFO] [stdout] test split::tests::test_split_creates_paired_halves ... ok
[INFO] [stdout] test split::tests::test_unsplit_panics_when_halves_are_not_paired - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sfo_split
[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" "602989490cd9eea803d2b65c266a86c3587d10f11a68da63bc7b107671ae590c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602989490cd9eea803d2b65c266a86c3587d10f11a68da63bc7b107671ae590c", kill_on_drop: false }`
[INFO] [stdout] 602989490cd9eea803d2b65c266a86c3587d10f11a68da63bc7b107671ae590c