[INFO] fetching crate hash-chain 0.3.2...
[INFO] testing hash-chain-0.3.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hash-chain 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate hash-chain 0.3.2
[INFO] finished tweaking crates.io crate hash-chain 0.3.2
[INFO] tweaked toml for crates.io crate hash-chain 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hash-chain 0.3.2 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 10 packages to latest compatible versions
[INFO] [stderr]       Adding im-rc v14.3.0 (available: v15.1.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a71854cc60d973f1ab78d0de22a9ab9092972566a84e04c13114b948534f3306
[INFO] running `Command { std: "docker" "start" "-a" "a71854cc60d973f1ab78d0de22a9ab9092972566a84e04c13114b948534f3306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a71854cc60d973f1ab78d0de22a9ab9092972566a84e04c13114b948534f3306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71854cc60d973f1ab78d0de22a9ab9092972566a84e04c13114b948534f3306", kill_on_drop: false }`
[INFO] [stdout] a71854cc60d973f1ab78d0de22a9ab9092972566a84e04c13114b948534f3306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2e8fdd2a043b560bda2038f8565f2c05867f51b1a7a31b653d1cec90fee86718
[INFO] running `Command { std: "docker" "start" "-a" "2e8fdd2a043b560bda2038f8565f2c05867f51b1a7a31b653d1cec90fee86718", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash-chain v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "2e8fdd2a043b560bda2038f8565f2c05867f51b1a7a31b653d1cec90fee86718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8fdd2a043b560bda2038f8565f2c05867f51b1a7a31b653d1cec90fee86718", kill_on_drop: false }`
[INFO] [stdout] 2e8fdd2a043b560bda2038f8565f2c05867f51b1a7a31b653d1cec90fee86718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e0f250ad9652c1f757a2d1859cf62a9d7a84234230d8be55ada98d72f7e447d8
[INFO] running `Command { std: "docker" "start" "-a" "e0f250ad9652c1f757a2d1859cf62a9d7a84234230d8be55ada98d72f7e447d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling hash-chain v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "e0f250ad9652c1f757a2d1859cf62a9d7a84234230d8be55ada98d72f7e447d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f250ad9652c1f757a2d1859cf62a9d7a84234230d8be55ada98d72f7e447d8", kill_on_drop: false }`
[INFO] [stdout] e0f250ad9652c1f757a2d1859cf62a9d7a84234230d8be55ada98d72f7e447d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d0e25e71cef806c357020ea3aca44b93f4e7c73a2d3a2d284b8de1bc2f98996b
[INFO] running `Command { std: "docker" "start" "-a" "d0e25e71cef806c357020ea3aca44b93f4e7c73a2d3a2d284b8de1bc2f98996b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hash_chain-55eda1dfba99fb57)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test map::test::child_len ... ok
[INFO] [stdout] test map::test::custom_hasher ... ok
[INFO] [stdout] test map::test::get_last_index_exists ... ok
[INFO] [stdout] test map::test::get_mut_outer ... ok
[INFO] [stdout] test map::test::get ... ok
[INFO] [stdout] test map::test::get_before_mut_exists ... ok
[INFO] [stdout] test map::test::get_none ... ok
[INFO] [stdout] test map::test::has_at_exists ... ok
[INFO] [stdout] test map::test::get_before_exists ... ok
[INFO] [stdout] test map::test::has_at_doesnt_exist ... ok
[INFO] [stdout] test map::test::get_last_index_doesnt_exist ... ok
[INFO] [stdout] test map::test::index ... ok
[INFO] [stdout] test map::test::initialization ... ok
[INFO] [stdout] test map::test::insert ... ok
[INFO] [stdout] test map::test::insert_at ... ok
[INFO] [stdout] test map::test::get_mut ... ok
[INFO] [stdout] test map::test::last_has_false ... ok
[INFO] [stdout] test map::test::new_child ... ok
[INFO] [stdout] test map::test::last_has_true ... ok
[INFO] [stdout] test map::test::initialization_default ... ok
[INFO] [stdout] test map::test::remove_child ... ok
[INFO] [stdout] test map::test::remove_child_length_1 ... ok
[INFO] [stdout] test map::test::scopes ... ok
[INFO] [stdout] test set::test::get ... ok
[INFO] [stdout] test set::test::get_none ... ok
[INFO] [stdout] test set::test::initialization ... ok
[INFO] [stdout] test set::test::initialization_default ... ok
[INFO] [stdout] test set::test::insert ... ok
[INFO] [stdout] test set::test::remove_child ... ok
[INFO] [stdout] test set::test::scopes ... ignored
[INFO] [stdout] test set::test::remove_child_length_1 ... ok
[INFO] [stdout] test set::test::new_child ... ok
[INFO] [stdout] test map::test::insert_at_out_of_bounds - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hash_chain
[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" "d0e25e71cef806c357020ea3aca44b93f4e7c73a2d3a2d284b8de1bc2f98996b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e25e71cef806c357020ea3aca44b93f4e7c73a2d3a2d284b8de1bc2f98996b", kill_on_drop: false }`
[INFO] [stdout] d0e25e71cef806c357020ea3aca44b93f4e7c73a2d3a2d284b8de1bc2f98996b