[INFO] fetching crate mergle 0.6.0...
[INFO] testing mergle-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mergle 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mergle 0.6.0
[INFO] finished tweaking crates.io crate mergle 0.6.0
[INFO] tweaked toml for crates.io crate mergle 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mergle 0.6.0 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] crate crates.io crate mergle 0.6.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6d332f3a881a5d015f0c1de0f3d773d607704bdcedd0d0e459faaf0dd0e2d229
[INFO] running `Command { std: "docker" "start" "-a" "6d332f3a881a5d015f0c1de0f3d773d607704bdcedd0d0e459faaf0dd0e2d229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d332f3a881a5d015f0c1de0f3d773d607704bdcedd0d0e459faaf0dd0e2d229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d332f3a881a5d015f0c1de0f3d773d607704bdcedd0d0e459faaf0dd0e2d229", kill_on_drop: false }`
[INFO] [stdout] 6d332f3a881a5d015f0c1de0f3d773d607704bdcedd0d0e459faaf0dd0e2d229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] af327cbebf059508e3a14aedad1d549c638574ea92d9bacf32d7440b3f749f78
[INFO] running `Command { std: "docker" "start" "-a" "af327cbebf059508e3a14aedad1d549c638574ea92d9bacf32d7440b3f749f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling bromberg_sl2 v0.7.0
[INFO] [stderr]    Compiling mergle v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "af327cbebf059508e3a14aedad1d549c638574ea92d9bacf32d7440b3f749f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af327cbebf059508e3a14aedad1d549c638574ea92d9bacf32d7440b3f749f78", kill_on_drop: false }`
[INFO] [stdout] af327cbebf059508e3a14aedad1d549c638574ea92d9bacf32d7440b3f749f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 24ac2aec168cc255778114d592bfc9ad983b99ea564d48ed30e5a37d770afede
[INFO] running `Command { std: "docker" "start" "-a" "24ac2aec168cc255778114d592bfc9ad983b99ea564d48ed30e5a37d770afede", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling mergle v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "24ac2aec168cc255778114d592bfc9ad983b99ea564d48ed30e5a37d770afede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ac2aec168cc255778114d592bfc9ad983b99ea564d48ed30e5a37d770afede", kill_on_drop: false }`
[INFO] [stdout] 24ac2aec168cc255778114d592bfc9ad983b99ea564d48ed30e5a37d770afede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e5822976719b87999970cf25047061e56a97ebda349ef105bfce9fd74266b62d
[INFO] running `Command { std: "docker" "start" "-a" "e5822976719b87999970cf25047061e56a97ebda349ef105bfce9fd74266b62d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mergle-eaaa39c14c2f6ce7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::ord_regression_2 ... ok
[INFO] [stdout] test test::ord_regression ... ok
[INFO] [stdout] test test::test_pop ... ok
[INFO] [stdout] test test::test_eq ... ok
[INFO] [stdout] test test::test_ord ... 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 mergle
[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" "e5822976719b87999970cf25047061e56a97ebda349ef105bfce9fd74266b62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5822976719b87999970cf25047061e56a97ebda349ef105bfce9fd74266b62d", kill_on_drop: false }`
[INFO] [stdout] e5822976719b87999970cf25047061e56a97ebda349ef105bfce9fd74266b62d