[INFO] fetching crate twoten 0.2.1...
[INFO] testing twoten-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate twoten 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate twoten 0.2.1
[INFO] finished tweaking crates.io crate twoten 0.2.1
[INFO] tweaked toml for crates.io crate twoten 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twoten 0.2.1 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]     Blocking waiting for file lock on package cache
[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-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed4f573bb302a4d82315594652c84a338b9f46bce6ae12ddcd9a5f8e97b49ee
[INFO] running `Command { std: "docker" "start" "-a" "aed4f573bb302a4d82315594652c84a338b9f46bce6ae12ddcd9a5f8e97b49ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed4f573bb302a4d82315594652c84a338b9f46bce6ae12ddcd9a5f8e97b49ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed4f573bb302a4d82315594652c84a338b9f46bce6ae12ddcd9a5f8e97b49ee", kill_on_drop: false }`
[INFO] [stdout] aed4f573bb302a4d82315594652c84a338b9f46bce6ae12ddcd9a5f8e97b49ee
[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=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] 9fbb3a949669ddd74692ffd22be2bf48b7fb472f80827385c59fdc909f684789
[INFO] running `Command { std: "docker" "start" "-a" "9fbb3a949669ddd74692ffd22be2bf48b7fb472f80827385c59fdc909f684789", kill_on_drop: false }`
[INFO] [stderr]    Compiling twoten v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "9fbb3a949669ddd74692ffd22be2bf48b7fb472f80827385c59fdc909f684789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbb3a949669ddd74692ffd22be2bf48b7fb472f80827385c59fdc909f684789", kill_on_drop: false }`
[INFO] [stdout] 9fbb3a949669ddd74692ffd22be2bf48b7fb472f80827385c59fdc909f684789
[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=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] 3176768821c24ded03c2a07c72aab373089c2c50a653cdb6db0728646698286a
[INFO] running `Command { std: "docker" "start" "-a" "3176768821c24ded03c2a07c72aab373089c2c50a653cdb6db0728646698286a", kill_on_drop: false }`
[INFO] [stderr]    Compiling twoten v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3176768821c24ded03c2a07c72aab373089c2c50a653cdb6db0728646698286a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3176768821c24ded03c2a07c72aab373089c2c50a653cdb6db0728646698286a", kill_on_drop: false }`
[INFO] [stdout] 3176768821c24ded03c2a07c72aab373089c2c50a653cdb6db0728646698286a
[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=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] 3a692f3337c3fa0f33ab29654c8cbd6c3d2ab3a8774f32bd33500d4aa183d89a
[INFO] running `Command { std: "docker" "start" "-a" "3a692f3337c3fa0f33ab29654c8cbd6c3d2ab3a8774f32bd33500d4aa183d89a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/twoten-53a2e04c913be982)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::smoke ... ok
[INFO] [stdout] test test::exhaustive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twoten
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - twoten_buf (line 73) ... ok
[INFO] [stdout] test src/lib.rs - twoten (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a692f3337c3fa0f33ab29654c8cbd6c3d2ab3a8774f32bd33500d4aa183d89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a692f3337c3fa0f33ab29654c8cbd6c3d2ab3a8774f32bd33500d4aa183d89a", kill_on_drop: false }`
[INFO] [stdout] 3a692f3337c3fa0f33ab29654c8cbd6c3d2ab3a8774f32bd33500d4aa183d89a