[INFO] fetching crate tiny-sparse-merkle-tree 0.4.0...
[INFO] testing tiny-sparse-merkle-tree-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tiny-sparse-merkle-tree 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tiny-sparse-merkle-tree 0.4.0
[INFO] finished tweaking crates.io crate tiny-sparse-merkle-tree 0.4.0
[INFO] tweaked toml for crates.io crate tiny-sparse-merkle-tree 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-sparse-merkle-tree 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding array-bytes v1.6.0 (available: v9.3.0)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f179da43d5a9b479348b0faf12f6c9fa8c2776c473f2e0db2a13041585f6995
[INFO] running `Command { std: "docker" "start" "-a" "2f179da43d5a9b479348b0faf12f6c9fa8c2776c473f2e0db2a13041585f6995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f179da43d5a9b479348b0faf12f6c9fa8c2776c473f2e0db2a13041585f6995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f179da43d5a9b479348b0faf12f6c9fa8c2776c473f2e0db2a13041585f6995", kill_on_drop: false }`
[INFO] [stdout] 2f179da43d5a9b479348b0faf12f6c9fa8c2776c473f2e0db2a13041585f6995
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09f25fabe9c5e1eac69d03b826cd294d498e51c731863d700483926d4b7fc6b
[INFO] running `Command { std: "docker" "start" "-a" "e09f25fabe9c5e1eac69d03b826cd294d498e51c731863d700483926d4b7fc6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-sparse-merkle-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "e09f25fabe9c5e1eac69d03b826cd294d498e51c731863d700483926d4b7fc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09f25fabe9c5e1eac69d03b826cd294d498e51c731863d700483926d4b7fc6b", kill_on_drop: false }`
[INFO] [stdout] e09f25fabe9c5e1eac69d03b826cd294d498e51c731863d700483926d4b7fc6b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2b21aec67a23c9bf4c44800fe113a6f1ae512d61fa21d34ca8a57338480d622
[INFO] running `Command { std: "docker" "start" "-a" "f2b21aec67a23c9bf4c44800fe113a6f1ae512d61fa21d34ca8a57338480d622", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling array-bytes v1.6.0
[INFO] [stderr]    Compiling tiny-sparse-merkle-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "f2b21aec67a23c9bf4c44800fe113a6f1ae512d61fa21d34ca8a57338480d622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b21aec67a23c9bf4c44800fe113a6f1ae512d61fa21d34ca8a57338480d622", kill_on_drop: false }`
[INFO] [stdout] f2b21aec67a23c9bf4c44800fe113a6f1ae512d61fa21d34ca8a57338480d622
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5185b373046615fef14655c3e68f8e17f63ce59318f814978877c1ee71f8560a
[INFO] running `Command { std: "docker" "start" "-a" "5185b373046615fef14655c3e68f8e17f63ce59318f814978877c1ee71f8560a", 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/tiny_sparse_merkle_tree-041994f15f376e1b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::smt_should_work ... ok
[INFO] [stdout] test tests::proof_should_work ... ok
[INFO] [stdout] test tests::verify_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny_sparse_merkle_tree
[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" "5185b373046615fef14655c3e68f8e17f63ce59318f814978877c1ee71f8560a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5185b373046615fef14655c3e68f8e17f63ce59318f814978877c1ee71f8560a", kill_on_drop: false }`
[INFO] [stdout] 5185b373046615fef14655c3e68f8e17f63ce59318f814978877c1ee71f8560a
