[INFO] fetching crate merging-iterator 1.3.0... [INFO] testing merging-iterator-1.3.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate merging-iterator 1.3.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate merging-iterator 1.3.0 [INFO] finished tweaking crates.io crate merging-iterator 1.3.0 [INFO] tweaked toml for crates.io crate merging-iterator 1.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate merging-iterator 1.3.0 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding proptest v0.9.6 (available: v1.8.0) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] 1e6ff150b13c3b19b61ff0ad138324604d6207a47e9b624c936cc31448b9f020 [INFO] running `Command { std: "docker" "start" "-a" "1e6ff150b13c3b19b61ff0ad138324604d6207a47e9b624c936cc31448b9f020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e6ff150b13c3b19b61ff0ad138324604d6207a47e9b624c936cc31448b9f020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e6ff150b13c3b19b61ff0ad138324604d6207a47e9b624c936cc31448b9f020", kill_on_drop: false }` [INFO] [stdout] 1e6ff150b13c3b19b61ff0ad138324604d6207a47e9b624c936cc31448b9f020 [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] 9c5c4451ac2c188382509cfbf551bdbdbcbee70b668d11864c64e02778dc5698 [INFO] running `Command { std: "docker" "start" "-a" "9c5c4451ac2c188382509cfbf551bdbdbcbee70b668d11864c64e02778dc5698", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling merging-iterator v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "9c5c4451ac2c188382509cfbf551bdbdbcbee70b668d11864c64e02778dc5698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c5c4451ac2c188382509cfbf551bdbdbcbee70b668d11864c64e02778dc5698", kill_on_drop: false }` [INFO] [stdout] 9c5c4451ac2c188382509cfbf551bdbdbcbee70b668d11864c64e02778dc5698 [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] 41db0795f3384f05e49815f6dfdfdc0e285cc329ca32d7c11dbf9a12f4ef90cc [INFO] running `Command { std: "docker" "start" "-a" "41db0795f3384f05e49815f6dfdfdc0e285cc329ca32d7c11dbf9a12f4ef90cc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling merging-iterator v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 11.11s [INFO] running `Command { std: "docker" "inspect" "41db0795f3384f05e49815f6dfdfdc0e285cc329ca32d7c11dbf9a12f4ef90cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41db0795f3384f05e49815f6dfdfdc0e285cc329ca32d7c11dbf9a12f4ef90cc", kill_on_drop: false }` [INFO] [stdout] 41db0795f3384f05e49815f6dfdfdc0e285cc329ca32d7c11dbf9a12f4ef90cc [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] 8e37c4e7f8f00472d82ae0a840a7f28e708bf14f0c800271fb041ab6a9103b0d [INFO] running `Command { std: "docker" "start" "-a" "8e37c4e7f8f00472d82ae0a840a7f28e708bf14f0c800271fb041ab6a9103b0d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merging_iterator-236ef3a4b7e703c0) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::test_merge_sorted_iterators ... ok [INFO] [stdout] test tests::test_merge_unord ... ok [INFO] [stdout] test tests::test_multiple_iterators ... ok [INFO] [stdout] test tests::test_is_sorted_property_for_multiple_iterators ... ok [INFO] [stderr] Doc-tests merging_iterator [INFO] [stdout] test tests::test_is_sorted_property ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - MergeIter::new (line 47) ... ok [INFO] [stdout] test src/lib.rs - MergeIter::with_custom_ordering (line 79) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8e37c4e7f8f00472d82ae0a840a7f28e708bf14f0c800271fb041ab6a9103b0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e37c4e7f8f00472d82ae0a840a7f28e708bf14f0c800271fb041ab6a9103b0d", kill_on_drop: false }` [INFO] [stdout] 8e37c4e7f8f00472d82ae0a840a7f28e708bf14f0c800271fb041ab6a9103b0d