[INFO] fetching crate merkle_tree_simple 0.1.0...
[INFO] testing merkle_tree_simple-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate merkle_tree_simple 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate merkle_tree_simple 0.1.0
[INFO] finished tweaking crates.io crate merkle_tree_simple 0.1.0
[INFO] tweaked toml for crates.io crate merkle_tree_simple 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle_tree_simple 0.1.0 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 merkle_tree_simple 0.1.0 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-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] 7ddf1ca95f53209a13d069882de05b6baf4555f6d9aa0453c73d0f008fe234bf
[INFO] running `Command { std: "docker" "start" "-a" "7ddf1ca95f53209a13d069882de05b6baf4555f6d9aa0453c73d0f008fe234bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddf1ca95f53209a13d069882de05b6baf4555f6d9aa0453c73d0f008fe234bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddf1ca95f53209a13d069882de05b6baf4555f6d9aa0453c73d0f008fe234bf", kill_on_drop: false }`
[INFO] [stdout] 7ddf1ca95f53209a13d069882de05b6baf4555f6d9aa0453c73d0f008fe234bf
[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] bc7044bdade68619c840d32869de2314563b7b5c16a4d1f246813393fe8a8094
[INFO] running `Command { std: "docker" "start" "-a" "bc7044bdade68619c840d32869de2314563b7b5c16a4d1f246813393fe8a8094", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling clap v4.5.41
[INFO] [stderr]    Compiling merkle_tree_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:135:18
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof> {
[INFO] [stdout]     |                  ^^^^^                         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof<'_>> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "bc7044bdade68619c840d32869de2314563b7b5c16a4d1f246813393fe8a8094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7044bdade68619c840d32869de2314563b7b5c16a4d1f246813393fe8a8094", kill_on_drop: false }`
[INFO] [stdout] bc7044bdade68619c840d32869de2314563b7b5c16a4d1f246813393fe8a8094
[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] eef13d71ed7eb81ddaa406abca6c580128d0c8835b860ca31197862e79057e6f
[INFO] running `Command { std: "docker" "start" "-a" "eef13d71ed7eb81ddaa406abca6c580128d0c8835b860ca31197862e79057e6f", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:135:18
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof> {
[INFO] [stdout]     |                  ^^^^^                         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof<'_>> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling merkle_tree_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:135:18
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof> {
[INFO] [stdout]     |                  ^^^^^                         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof<'_>> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "eef13d71ed7eb81ddaa406abca6c580128d0c8835b860ca31197862e79057e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef13d71ed7eb81ddaa406abca6c580128d0c8835b860ca31197862e79057e6f", kill_on_drop: false }`
[INFO] [stdout] eef13d71ed7eb81ddaa406abca6c580128d0c8835b860ca31197862e79057e6f
[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] b62cafc14e34a60d081551dd41251863f989a58a3161f4ba963d1a9ef986af65
[INFO] running `Command { std: "docker" "start" "-a" "b62cafc14e34a60d081551dd41251863f989a58a3161f4ba963d1a9ef986af65", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof> {
[INFO] [stderr]     |                  ^^^^^                         ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn prove(&self, data: &Data) -> Option<Proof<'_>> {
[INFO] [stderr]     |                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `merkle_tree_simple` (lib) generated 1 warning (run `cargo fix --lib -p merkle_tree_simple` to apply 1 suggestion)
[INFO] [stderr] warning: `merkle_tree_simple` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_tree-eb3b3b6b05b6dfad)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tree::tests::test_constructions_unbalanced ... ok
[INFO] [stdout] test tree::tests::test_constructions ... ok
[INFO] [stdout] test tree::tests::test_prove_and_verify_proof_invalid_data ... ok
[INFO] [stdout] test tree::tests::test_prove_returns_none_for_missing_data ... ok
[INFO] [stdout] test tree::tests::test_prove_and_verify_proof_valid ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/merkle_cli-acd9eb84cb5d7f94)
[INFO] [stdout] test tree::tests::test_verify_valid ... ok
[INFO] [stdout] test tree::tests::test_verify_invalid_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]    Doc-tests merkle_tree
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/tree.rs - tree::MerkleTree::verify_proof (line 103) ... ok
[INFO] [stdout] test src/tree.rs - tree::MerkleTree (line 12) ... ok
[INFO] [stdout] test src/tree.rs - tree::MerkleTree::construct (line 46) ... ok
[INFO] [stdout] test src/tree.rs - tree::MerkleTree::verify (line 84) ... ok
[INFO] [stdout] test src/tree.rs - tree::MerkleTree::prove (line 127) ... ok
[INFO] [stdout] test src/tree.rs - tree::MerkleTree::root (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b62cafc14e34a60d081551dd41251863f989a58a3161f4ba963d1a9ef986af65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62cafc14e34a60d081551dd41251863f989a58a3161f4ba963d1a9ef986af65", kill_on_drop: false }`
[INFO] [stdout] b62cafc14e34a60d081551dd41251863f989a58a3161f4ba963d1a9ef986af65