[INFO] fetching crate simple-merkle-tree 0.1.0...
[INFO] testing simple-merkle-tree-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate simple-merkle-tree 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate simple-merkle-tree 0.1.0
[INFO] finished tweaking crates.io crate simple-merkle-tree 0.1.0
[INFO] tweaked toml for crates.io crate simple-merkle-tree 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-merkle-tree 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding simple_logger v1.16.0 (available: v5.2.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 98ea54288ce5c18c6d6b7912e7f5315e96b125cc028c21b52299c9f6821fb19d
[INFO] running `Command { std: "docker" "start" "-a" "98ea54288ce5c18c6d6b7912e7f5315e96b125cc028c21b52299c9f6821fb19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98ea54288ce5c18c6d6b7912e7f5315e96b125cc028c21b52299c9f6821fb19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ea54288ce5c18c6d6b7912e7f5315e96b125cc028c21b52299c9f6821fb19d", kill_on_drop: false }`
[INFO] [stdout] 98ea54288ce5c18c6d6b7912e7f5315e96b125cc028c21b52299c9f6821fb19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f25a8919773d8c1e52d73a0000ad423e63929c67a7f31ca3421733e0dd6079bf
[INFO] running `Command { std: "docker" "start" "-a" "f25a8919773d8c1e52d73a0000ad423e63929c67a7f31ca3421733e0dd6079bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling simple-merkle-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "f25a8919773d8c1e52d73a0000ad423e63929c67a7f31ca3421733e0dd6079bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25a8919773d8c1e52d73a0000ad423e63929c67a7f31ca3421733e0dd6079bf", kill_on_drop: false }`
[INFO] [stdout] f25a8919773d8c1e52d73a0000ad423e63929c67a7f31ca3421733e0dd6079bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b0aa69eaba8c325f15449c8ea0528faacc9be4c271086189ba9cbdb26131d35a
[INFO] running `Command { std: "docker" "start" "-a" "b0aa69eaba8c325f15449c8ea0528faacc9be4c271086189ba9cbdb26131d35a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling colored v1.9.4
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling simple_logger v1.16.0
[INFO] [stderr]    Compiling simple-merkle-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "b0aa69eaba8c325f15449c8ea0528faacc9be4c271086189ba9cbdb26131d35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0aa69eaba8c325f15449c8ea0528faacc9be4c271086189ba9cbdb26131d35a", kill_on_drop: false }`
[INFO] [stdout] b0aa69eaba8c325f15449c8ea0528faacc9be4c271086189ba9cbdb26131d35a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a30e49a273166cd366741b07041d7b9bc243b144ba46a7f94954a9dd7bb0ad3a
[INFO] running `Command { std: "docker" "start" "-a" "a30e49a273166cd366741b07041d7b9bc243b144ba46a7f94954a9dd7bb0ad3a", 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/simple_merkle_tree-8cf373831cd096e4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::levels_get_calculated ... ok
[INFO] [stdout] test tests::levels_get_calculated_v3 ... ok
[INFO] [stdout] test tests::levels_get_calculated_v2 ... ok
[INFO] [stdout] test tests::construct_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_merkle_tree
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - MerkleTree::combined_hash (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - MerkleTree::hash (line 198) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a30e49a273166cd366741b07041d7b9bc243b144ba46a7f94954a9dd7bb0ad3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30e49a273166cd366741b07041d7b9bc243b144ba46a7f94954a9dd7bb0ad3a", kill_on_drop: false }`
[INFO] [stdout] a30e49a273166cd366741b07041d7b9bc243b144ba46a7f94954a9dd7bb0ad3a
