[INFO] fetching crate external_sort 0.1.2...
[INFO] testing external_sort-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate external_sort 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate external_sort 0.1.2
[INFO] finished tweaking crates.io crate external_sort 0.1.2
[INFO] tweaked toml for crates.io crate external_sort 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate external_sort 0.1.2 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 25 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.9.2)
[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] c4900df29e0049e92c479bf2c2dab978b179dd8824585f650393019ad9da9353
[INFO] running `Command { std: "docker" "start" "-a" "c4900df29e0049e92c479bf2c2dab978b179dd8824585f650393019ad9da9353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4900df29e0049e92c479bf2c2dab978b179dd8824585f650393019ad9da9353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4900df29e0049e92c479bf2c2dab978b179dd8824585f650393019ad9da9353", kill_on_drop: false }`
[INFO] [stdout] c4900df29e0049e92c479bf2c2dab978b179dd8824585f650393019ad9da9353
[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] 3d5ea5c2ad1356680b1d32db8cd47e8b261d3600e62ab2fc6d64579cac5891f3
[INFO] running `Command { std: "docker" "start" "-a" "3d5ea5c2ad1356680b1d32db8cd47e8b261d3600e62ab2fc6d64579cac5891f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling external_sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "3d5ea5c2ad1356680b1d32db8cd47e8b261d3600e62ab2fc6d64579cac5891f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5ea5c2ad1356680b1d32db8cd47e8b261d3600e62ab2fc6d64579cac5891f3", kill_on_drop: false }`
[INFO] [stdout] 3d5ea5c2ad1356680b1d32db8cd47e8b261d3600e62ab2fc6d64579cac5891f3
[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] 00d21bd46bc6789efb7421ed9cd8de52d08be2a5fc0ef2b7b8c2a745e79218d3
[INFO] running `Command { std: "docker" "start" "-a" "00d21bd46bc6789efb7421ed9cd8de52d08be2a5fc0ef2b7b8c2a745e79218d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling external_sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "00d21bd46bc6789efb7421ed9cd8de52d08be2a5fc0ef2b7b8c2a745e79218d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d21bd46bc6789efb7421ed9cd8de52d08be2a5fc0ef2b7b8c2a745e79218d3", kill_on_drop: false }`
[INFO] [stdout] 00d21bd46bc6789efb7421ed9cd8de52d08be2a5fc0ef2b7b8c2a745e79218d3
[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] 127051a7900a8aeda0d06016550c9e9d5f96524412e4770d648d3e897f79bd45
[INFO] running `Command { std: "docker" "start" "-a" "127051a7900a8aeda0d06016550c9e9d5f96524412e4770d648d3e897f79bd45", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/external_sort-6b2a26b5e44f6900)
[INFO] [stderr]      Running tests/external_sort.rs (/opt/rustwide/target/debug/deps/external_sort-19dfc81f67e459ef)
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test large_buff ... ok
[INFO] [stdout] test reverse ... ok
[INFO] [stdout] test sort ... ok
[INFO] [stdout] test reuse ... ok
[INFO] [stdout] test zero_buff ... ok
[INFO] [stdout] test handle_fail ... ok
[INFO] [stdout] test large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests external_sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/external_sort.rs - external_sort::ExternalSorter (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "127051a7900a8aeda0d06016550c9e9d5f96524412e4770d648d3e897f79bd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127051a7900a8aeda0d06016550c9e9d5f96524412e4770d648d3e897f79bd45", kill_on_drop: false }`
[INFO] [stdout] 127051a7900a8aeda0d06016550c9e9d5f96524412e4770d648d3e897f79bd45