[INFO] fetching crate mt-rs 0.2.1...
[INFO] testing mt-rs-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mt-rs 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mt-rs 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mt-rs 0.2.1
[INFO] tweaked toml for crates.io crate mt-rs 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mt-rs 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] crate crates.io crate mt-rs 0.2.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b7da26667f4811db9e9bed1903669e7c2205f8201cd5e0d474cf80bf3beff691
[INFO] running `Command { std: "docker" "start" "-a" "b7da26667f4811db9e9bed1903669e7c2205f8201cd5e0d474cf80bf3beff691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7da26667f4811db9e9bed1903669e7c2205f8201cd5e0d474cf80bf3beff691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7da26667f4811db9e9bed1903669e7c2205f8201cd5e0d474cf80bf3beff691", kill_on_drop: false }`
[INFO] [stdout] b7da26667f4811db9e9bed1903669e7c2205f8201cd5e0d474cf80bf3beff691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6a41f4dea87ee3b3ec5477a00b7d7f548fa96468f1ed74ee05d8df9d61011bd1
[INFO] running `Command { std: "docker" "start" "-a" "6a41f4dea87ee3b3ec5477a00b7d7f548fa96468f1ed74ee05d8df9d61011bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling mt-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "6a41f4dea87ee3b3ec5477a00b7d7f548fa96468f1ed74ee05d8df9d61011bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a41f4dea87ee3b3ec5477a00b7d7f548fa96468f1ed74ee05d8df9d61011bd1", kill_on_drop: false }`
[INFO] [stdout] 6a41f4dea87ee3b3ec5477a00b7d7f548fa96468f1ed74ee05d8df9d61011bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8cc300f7ba8ac8e61f41dfaa741d032a532d5c9316bac0c537ff561326334c82
[INFO] running `Command { std: "docker" "start" "-a" "8cc300f7ba8ac8e61f41dfaa741d032a532d5c9316bac0c537ff561326334c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling mt-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.35s
[INFO] running `Command { std: "docker" "inspect" "8cc300f7ba8ac8e61f41dfaa741d032a532d5c9316bac0c537ff561326334c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc300f7ba8ac8e61f41dfaa741d032a532d5c9316bac0c537ff561326334c82", kill_on_drop: false }`
[INFO] [stdout] 8cc300f7ba8ac8e61f41dfaa741d032a532d5c9316bac0c537ff561326334c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 11f9a6e7fb2bad870cd6e550df1c3b3a967effb7cc9d44c5cb06c0bb5473e9ef
[INFO] running `Command { std: "docker" "start" "-a" "11f9a6e7fb2bad870cd6e550df1c3b3a967effb7cc9d44c5cb06c0bb5473e9ef", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mt_rs-af0584fc12cc06bc)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test hasher::tests::test_blake3_hasher_empty_string ... ok
[INFO] [stdout] test hasher::tests::test_blake3_hasher_with_known_input ... ok
[INFO] [stdout] test hasher::tests::test_keccak256_hasher_empty_string ... ok
[INFO] [stdout] test hasher::tests::test_sha256_hasher_with_known_input ... ok
[INFO] [stdout] test merkletree::tests::test_merkle_tree_single_leaf ... ok
[INFO] [stdout] test hasher::tests::test_sha256_hasher_empty_string ... ok
[INFO] [stdout] test hasher::tests::test_keccak256_hasher_with_known_input ... ok
[INFO] [stdout] test proof::tests::test_proof_generation_and_verification_dummy ... ok
[INFO] [stdout] test merkletree::tests::test_merkle_tree_with_default_hasher ... ok
[INFO] [stdout] test proof::tests::test_proof_not_valid ... ok
[INFO] [stdout] test merkletree::tests::test_merkle_tree_with_10_elements ... ok
[INFO] [stdout] test merkletree::tests::test_merkle_tree_hashing ... ok
[INFO] [stdout] test proof::tests::test_proof_generation_and_verification_sha256 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mt_rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11f9a6e7fb2bad870cd6e550df1c3b3a967effb7cc9d44c5cb06c0bb5473e9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f9a6e7fb2bad870cd6e550df1c3b3a967effb7cc9d44c5cb06c0bb5473e9ef", kill_on_drop: false }`
[INFO] [stdout] 11f9a6e7fb2bad870cd6e550df1c3b3a967effb7cc9d44c5cb06c0bb5473e9ef