[INFO] crate merkle-tree-stream 0.10.0 is already in cache
[INFO] testing merkle-tree-stream-0.10.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate merkle-tree-stream 0.10.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate merkle-tree-stream 0.10.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate merkle-tree-stream 0.10.0
[INFO] finished tweaking crates.io crate merkle-tree-stream 0.10.0
[INFO] tweaked toml for crates.io crate merkle-tree-stream 0.10.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8afa24db594968eac37e3931dea760ff1ab26933ddb3c352e463be1b37ad9fae
[INFO] running `"docker" "start" "-a" "8afa24db594968eac37e3931dea760ff1ab26933ddb3c352e463be1b37ad9fae"`
[INFO] [stderr]    Compiling flat-tree v4.1.0
[INFO] [stderr]    Compiling merkle-tree-stream v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "8afa24db594968eac37e3931dea760ff1ab26933ddb3c352e463be1b37ad9fae"`
[INFO] running `"docker" "rm" "-f" "8afa24db594968eac37e3931dea760ff1ab26933ddb3c352e463be1b37ad9fae"`
[INFO] [stdout] 8afa24db594968eac37e3931dea760ff1ab26933ddb3c352e463be1b37ad9fae
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f0f8ba3832259ea0c0715995b3171d4c7fe32006deb0717287b2fc2c4ebc5d6d
[INFO] running `"docker" "start" "-a" "f0f8ba3832259ea0c0715995b3171d4c7fe32006deb0717287b2fc2c4ebc5d6d"`
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling merkle-tree-stream v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:127:38
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn all_children(index: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `"docker" "inspect" "f0f8ba3832259ea0c0715995b3171d4c7fe32006deb0717287b2fc2c4ebc5d6d"`
[INFO] running `"docker" "rm" "-f" "f0f8ba3832259ea0c0715995b3171d4c7fe32006deb0717287b2fc2c4ebc5d6d"`
[INFO] [stdout] f0f8ba3832259ea0c0715995b3171d4c7fe32006deb0717287b2fc2c4ebc5d6d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0122158ba206485f3dda98d20a196b753a27a2ecfc7831d42273a1edb85505b1
[INFO] running `"docker" "start" "-a" "0122158ba206485f3dda98d20a196b753a27a2ecfc7831d42273a1edb85505b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merkle_tree_stream-3747e6a80fa556c3
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-5366a1dd37bf5af4
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test mts_one_node ... ok
[INFO] [stdout] test mts_more_nodes ... ok
[INFO] [stdout] test all_nodes_are_reachable_from_roots ... ok
[INFO] [stdout] test roots_are_subset_of_nodes ... ok
[INFO] [stdout] test all_leaves_contain_data ... ok
[INFO] [stdout] test roots_have_no_parent ... ok
[INFO] [stdout] test contains_all_data_in_correct_order ... ok
[INFO] [stdout] test mts_is_deterministic ... ok
[INFO] [stdout] test hashes_change_when_data_is_changed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle-tree-stream
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/lib.rs - MerkleTreeStream (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0122158ba206485f3dda98d20a196b753a27a2ecfc7831d42273a1edb85505b1"`
[INFO] running `"docker" "rm" "-f" "0122158ba206485f3dda98d20a196b753a27a2ecfc7831d42273a1edb85505b1"`
[INFO] [stdout] 0122158ba206485f3dda98d20a196b753a27a2ecfc7831d42273a1edb85505b1