Dec 05 07:56:11.957 INFO testing sergorl/merkle_hash_tree against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 07:56:11.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 07:56:12.354 INFO [stdout] 0059e16d2ca31d0319e0cdca29a2302013759b325b70bc698d398a69919bd91a
Dec 05 07:56:12.354 INFO running `"docker" "start" "-a" "0059e16d2ca31d0319e0cdca29a2302013759b325b70bc698d398a69919bd91a"`
Dec 05 07:56:13.277 INFO [stderr] usermod: no changes
Dec 05 07:56:13.404 INFO [stderr]    Compiling num_cpus v0.2.13
Dec 05 07:56:13.404 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 05 07:56:13.404 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 05 07:56:15.294 INFO [stderr]    Compiling rayon v0.9.0
Dec 05 07:56:24.849 INFO [stderr]    Compiling merkle_hash_tree v0.1.0 (/source)
Dec 05 07:56:25.344 INFO [stderr] warning: unused variable: `num_thread`
Dec 05 07:56:25.344 INFO [stderr]    --> src/lib.rs:272:13
Dec 05 07:56:25.344 INFO [stderr]     |
Dec 05 07:56:25.344 INFO [stderr] 272 |         let num_thread: usize;
Dec 05 07:56:25.345 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Dec 05 07:56:25.345 INFO [stderr]     |
Dec 05 07:56:25.345 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 07:56:25.345 INFO [stderr] 
Dec 05 07:56:25.345 INFO [stderr] warning: unused variable: `num_cpus`
Dec 05 07:56:25.345 INFO [stderr]    --> src/lib.rs:255:78
Dec 05 07:56:25.345 INFO [stderr]     |
Dec 05 07:56:25.345 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Dec 05 07:56:25.345 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 05 07:56:25.345 INFO [stderr] 
Dec 05 07:56:25.345 INFO [stderr] warning: unused variable: `num_cpus`
Dec 05 07:56:25.345 INFO [stderr]    --> src/lib.rs:305:5
Dec 05 07:56:25.345 INFO [stderr]     |
Dec 05 07:56:25.345 INFO [stderr] 305 |     num_cpus: usize,
Dec 05 07:56:25.345 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 05 07:56:25.345 INFO [stderr] 
Dec 05 07:56:25.386 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:25.386 INFO [stderr]    --> src/lib.rs:158:9
Dec 05 07:56:25.386 INFO [stderr]     |
Dec 05 07:56:25.386 INFO [stderr] 158 |         write!(f, "{}\n", "Tree: ");
Dec 05 07:56:25.386 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:25.386 INFO [stderr]     |
Dec 05 07:56:25.386 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 07:56:25.386 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:25.386 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:25.386 INFO [stderr] 
Dec 05 07:56:25.386 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:25.386 INFO [stderr]    --> src/lib.rs:161:13
Dec 05 07:56:25.386 INFO [stderr]     |
Dec 05 07:56:25.386 INFO [stderr] 161 |             write!(f, "Level {}: \n", level);
Dec 05 07:56:25.386 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:25.386 INFO [stderr]     |
Dec 05 07:56:25.386 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:25.386 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:25.386 INFO [stderr] 
Dec 05 07:56:25.386 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:25.386 INFO [stderr]    --> src/lib.rs:164:17
Dec 05 07:56:25.386 INFO [stderr]     |
Dec 05 07:56:25.386 INFO [stderr] 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Dec 05 07:56:25.386 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:25.386 INFO [stderr]     |
Dec 05 07:56:25.386 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:25.386 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:25.386 INFO [stderr] 
Dec 05 07:56:25.387 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:25.387 INFO [stderr]    --> src/lib.rs:170:13
Dec 05 07:56:25.387 INFO [stderr]     |
Dec 05 07:56:25.387 INFO [stderr] 170 | /             write!(
Dec 05 07:56:25.387 INFO [stderr] 171 | |                 f,
Dec 05 07:56:25.387 INFO [stderr] 172 | |                 "{}\n",
Dec 05 07:56:25.387 INFO [stderr] 173 | |                 "--------------------------------------------------------------------"
Dec 05 07:56:25.387 INFO [stderr] 174 | |             );
Dec 05 07:56:25.387 INFO [stderr]     | |______________^
Dec 05 07:56:25.387 INFO [stderr]     |
Dec 05 07:56:25.387 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:25.387 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:25.387 INFO [stderr] 
Dec 05 07:56:26.964 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Dec 05 07:56:26.964 INFO [stderr]  --> src/main.rs:6:5
Dec 05 07:56:26.964 INFO [stderr]   |
Dec 05 07:56:26.964 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Dec 05 07:56:26.964 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:26.964 INFO [stderr]   |
Dec 05 07:56:26.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 07:56:26.964 INFO [stderr] 
Dec 05 07:56:26.992 INFO [stderr] warning: unused variable: `start`
Dec 05 07:56:26.992 INFO [stderr]   --> src/main.rs:23:9
Dec 05 07:56:26.992 INFO [stderr]    |
Dec 05 07:56:26.992 INFO [stderr] 23 |     let start = PreciseTime::now();
Dec 05 07:56:26.992 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Dec 05 07:56:26.992 INFO [stderr]    |
Dec 05 07:56:26.992 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:56:26.992 INFO [stderr] 
Dec 05 07:56:26.992 INFO [stderr] warning: unused variable: `end`
Dec 05 07:56:26.992 INFO [stderr]   --> src/main.rs:25:9
Dec 05 07:56:26.992 INFO [stderr]    |
Dec 05 07:56:26.992 INFO [stderr] 25 |     let end = PreciseTime::now();
Dec 05 07:56:26.992 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Dec 05 07:56:26.992 INFO [stderr] 
Dec 05 07:56:26.992 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:56:26.992 INFO [stderr]   --> src/main.rs:18:9
Dec 05 07:56:26.992 INFO [stderr]    |
Dec 05 07:56:26.992 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Dec 05 07:56:26.992 INFO [stderr]    |         ----^^^^^^^^^
Dec 05 07:56:26.992 INFO [stderr]    |         |
Dec 05 07:56:26.993 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:56:26.993 INFO [stderr]    |
Dec 05 07:56:26.993 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:56:26.993 INFO [stderr] 
Dec 05 07:56:26.993 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:56:26.993 INFO [stderr]   --> src/main.rs:19:9
Dec 05 07:56:26.993 INFO [stderr]    |
Dec 05 07:56:26.993 INFO [stderr] 19 |     let mut size_block: usize = 32;
Dec 05 07:56:26.993 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:56:26.993 INFO [stderr]    |         |
Dec 05 07:56:26.993 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:56:26.993 INFO [stderr] 
Dec 05 07:56:27.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.55s
Dec 05 07:56:27.868 INFO [stderr] su: No module specific data is present
Dec 05 07:56:29.303 INFO running `"docker" "inspect" "0059e16d2ca31d0319e0cdca29a2302013759b325b70bc698d398a69919bd91a"`
Dec 05 07:56:29.634 INFO running `"docker" "rm" "-f" "0059e16d2ca31d0319e0cdca29a2302013759b325b70bc698d398a69919bd91a"`
Dec 05 07:56:29.924 INFO [stdout] 0059e16d2ca31d0319e0cdca29a2302013759b325b70bc698d398a69919bd91a
Dec 05 07:56:29.930 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 07:56:30.339 INFO [stdout] 5b7b8ff0b24e9d00c71181d642e992cc3aaac548d874762bddf6f062e00b77ff
Dec 05 07:56:30.346 INFO running `"docker" "start" "-a" "5b7b8ff0b24e9d00c71181d642e992cc3aaac548d874762bddf6f062e00b77ff"`
Dec 05 07:56:31.662 INFO [stderr] usermod: no changes
Dec 05 07:56:31.776 INFO [stderr]    Compiling merkle_hash_tree v0.1.0 (/source)
Dec 05 07:56:32.505 INFO [stderr] warning: unused import: `crypto::digest::Digest`
Dec 05 07:56:32.505 INFO [stderr]   --> tests/test.rs:10:5
Dec 05 07:56:32.505 INFO [stderr]    |
Dec 05 07:56:32.505 INFO [stderr] 10 | use crypto::digest::Digest;
Dec 05 07:56:32.505 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:32.505 INFO [stderr]    |
Dec 05 07:56:32.505 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 07:56:32.505 INFO [stderr] 
Dec 05 07:56:32.506 INFO [stderr] warning: unused import: `rand::Rng`
Dec 05 07:56:32.506 INFO [stderr]   --> tests/test.rs:12:5
Dec 05 07:56:32.506 INFO [stderr]    |
Dec 05 07:56:32.506 INFO [stderr] 12 | use rand::Rng;
Dec 05 07:56:32.506 INFO [stderr]    |     ^^^^^^^^^
Dec 05 07:56:32.506 INFO [stderr] 
Dec 05 07:56:32.536 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Dec 05 07:56:32.536 INFO [stderr]  --> src/main.rs:6:5
Dec 05 07:56:32.536 INFO [stderr]   |
Dec 05 07:56:32.536 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Dec 05 07:56:32.536 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:32.536 INFO [stderr]   |
Dec 05 07:56:32.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 07:56:32.536 INFO [stderr] 
Dec 05 07:56:32.592 INFO [stderr] warning: unused variable: `start`
Dec 05 07:56:32.592 INFO [stderr]   --> src/main.rs:23:9
Dec 05 07:56:32.592 INFO [stderr]    |
Dec 05 07:56:32.592 INFO [stderr] 23 |     let start = PreciseTime::now();
Dec 05 07:56:32.592 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Dec 05 07:56:32.592 INFO [stderr]    |
Dec 05 07:56:32.592 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:56:32.592 INFO [stderr] 
Dec 05 07:56:32.592 INFO [stderr] warning: unused variable: `end`
Dec 05 07:56:32.592 INFO [stderr]   --> src/main.rs:25:9
Dec 05 07:56:32.592 INFO [stderr]    |
Dec 05 07:56:32.592 INFO [stderr] 25 |     let end = PreciseTime::now();
Dec 05 07:56:32.592 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Dec 05 07:56:32.592 INFO [stderr] 
Dec 05 07:56:32.601 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:56:32.601 INFO [stderr]   --> src/main.rs:18:9
Dec 05 07:56:32.601 INFO [stderr]    |
Dec 05 07:56:32.601 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Dec 05 07:56:32.601 INFO [stderr]    |         ----^^^^^^^^^
Dec 05 07:56:32.601 INFO [stderr]    |         |
Dec 05 07:56:32.601 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:56:32.601 INFO [stderr]    |
Dec 05 07:56:32.601 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:56:32.601 INFO [stderr] 
Dec 05 07:56:32.601 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:56:32.601 INFO [stderr]   --> src/main.rs:19:9
Dec 05 07:56:32.601 INFO [stderr]    |
Dec 05 07:56:32.601 INFO [stderr] 19 |     let mut size_block: usize = 32;
Dec 05 07:56:32.601 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:56:32.601 INFO [stderr]    |         |
Dec 05 07:56:32.601 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:56:32.601 INFO [stderr] 
Dec 05 07:56:32.648 INFO [stderr] warning: unused variable: `tree`
Dec 05 07:56:32.648 INFO [stderr]   --> tests/test.rs:66:13
Dec 05 07:56:32.648 INFO [stderr]    |
Dec 05 07:56:32.648 INFO [stderr] 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Dec 05 07:56:32.648 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Dec 05 07:56:32.648 INFO [stderr]    |
Dec 05 07:56:32.648 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:56:32.648 INFO [stderr] 
Dec 05 07:56:32.648 INFO [stderr] warning: unused variable: `tree`
Dec 05 07:56:32.648 INFO [stderr]   --> tests/test.rs:74:13
Dec 05 07:56:32.648 INFO [stderr]    |
Dec 05 07:56:32.648 INFO [stderr] 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Dec 05 07:56:32.648 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Dec 05 07:56:32.648 INFO [stderr] 
Dec 05 07:56:32.648 INFO [stderr] warning: unused variable: `tree`
Dec 05 07:56:32.648 INFO [stderr]   --> tests/test.rs:82:13
Dec 05 07:56:32.648 INFO [stderr]    |
Dec 05 07:56:32.648 INFO [stderr] 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Dec 05 07:56:32.648 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Dec 05 07:56:32.648 INFO [stderr] 
Dec 05 07:56:32.889 INFO [stderr] warning: unused variable: `num_thread`
Dec 05 07:56:32.897 INFO [stderr]    --> src/lib.rs:272:13
Dec 05 07:56:32.897 INFO [stderr]     |
Dec 05 07:56:32.897 INFO [stderr] 272 |         let num_thread: usize;
Dec 05 07:56:32.897 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Dec 05 07:56:32.897 INFO [stderr]     |
Dec 05 07:56:32.897 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 07:56:32.897 INFO [stderr] 
Dec 05 07:56:32.897 INFO [stderr] warning: unused variable: `num_cpus`
Dec 05 07:56:32.897 INFO [stderr]    --> src/lib.rs:255:78
Dec 05 07:56:32.897 INFO [stderr]     |
Dec 05 07:56:32.897 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Dec 05 07:56:32.897 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 05 07:56:32.897 INFO [stderr] 
Dec 05 07:56:32.897 INFO [stderr] warning: unused variable: `num_cpus`
Dec 05 07:56:32.897 INFO [stderr]    --> src/lib.rs:305:5
Dec 05 07:56:32.897 INFO [stderr]     |
Dec 05 07:56:32.897 INFO [stderr] 305 |     num_cpus: usize,
Dec 05 07:56:32.897 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 05 07:56:32.897 INFO [stderr] 
Dec 05 07:56:33.080 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:33.080 INFO [stderr]    --> src/lib.rs:158:9
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr] 158 |         write!(f, "{}\n", "Tree: ");
Dec 05 07:56:33.081 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 07:56:33.081 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:33.081 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:33.081 INFO [stderr] 
Dec 05 07:56:33.081 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:33.081 INFO [stderr]    --> src/lib.rs:161:13
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr] 161 |             write!(f, "Level {}: \n", level);
Dec 05 07:56:33.081 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:33.081 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:33.081 INFO [stderr] 
Dec 05 07:56:33.081 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:33.081 INFO [stderr]    --> src/lib.rs:164:17
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr] 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Dec 05 07:56:33.081 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:33.081 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:33.081 INFO [stderr] 
Dec 05 07:56:33.081 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:56:33.081 INFO [stderr]    --> src/lib.rs:170:13
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr] 170 | /             write!(
Dec 05 07:56:33.081 INFO [stderr] 171 | |                 f,
Dec 05 07:56:33.081 INFO [stderr] 172 | |                 "{}\n",
Dec 05 07:56:33.081 INFO [stderr] 173 | |                 "--------------------------------------------------------------------"
Dec 05 07:56:33.081 INFO [stderr] 174 | |             );
Dec 05 07:56:33.081 INFO [stderr]     | |______________^
Dec 05 07:56:33.081 INFO [stderr]     |
Dec 05 07:56:33.081 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:56:33.081 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 07:56:33.081 INFO [stderr] 
Dec 05 07:56:34.589 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Dec 05 07:56:34.594 INFO [stderr] su: No module specific data is present
Dec 05 07:56:35.650 INFO running `"docker" "inspect" "5b7b8ff0b24e9d00c71181d642e992cc3aaac548d874762bddf6f062e00b77ff"`
Dec 05 07:56:35.916 INFO running `"docker" "rm" "-f" "5b7b8ff0b24e9d00c71181d642e992cc3aaac548d874762bddf6f062e00b77ff"`
Dec 05 07:56:36.262 INFO [stdout] 5b7b8ff0b24e9d00c71181d642e992cc3aaac548d874762bddf6f062e00b77ff
Dec 05 07:56:36.270 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 07:56:36.744 INFO [stdout] 3a6cf18dbd19c85740e89a01364fd85056b7293b6532813f72c3d16118cd32c2
Dec 05 07:56:36.752 INFO running `"docker" "start" "-a" "3a6cf18dbd19c85740e89a01364fd85056b7293b6532813f72c3d16118cd32c2"`
Dec 05 07:56:38.001 INFO [stderr] usermod: no changes
Dec 05 07:56:38.090 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 05 07:56:38.114 INFO [stderr]      Running /target/debug/deps/merkle_tree-a7830a68c656c435
Dec 05 07:56:38.114 INFO [stdout] 
Dec 05 07:56:38.114 INFO [stderr]      Running /target/debug/deps/merkle_hash_tree-368487dff8246b0a
Dec 05 07:56:38.114 INFO [stdout] running 0 tests
Dec 05 07:56:38.114 INFO [stdout] 
Dec 05 07:56:38.114 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:56:38.114 INFO [stdout] 
Dec 05 07:56:38.114 INFO [stdout] 
Dec 05 07:56:38.114 INFO [stdout] running 0 tests
Dec 05 07:56:38.114 INFO [stdout] 
Dec 05 07:56:38.114 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:56:38.115 INFO [stdout] 
Dec 05 07:56:38.124 INFO [stdout] 
Dec 05 07:56:38.124 INFO [stderr]      Running /target/debug/deps/test-4e782673d7d254ac
Dec 05 07:56:38.124 INFO [stdout] running 16 tests
Dec 05 07:56:38.242 INFO [stdout] test crypto_test::sha256_with_min_size_input ... ok
Dec 05 07:56:38.361 INFO [stdout] test merkle_test::get_child ... ok
Dec 05 07:56:38.512 INFO [stdout] test merkle_test::create_with_one_wrong_length_data_block_2 ... ok
Dec 05 07:56:38.532 INFO [stdout] test merkle_test::create_with_one_wrong_length_data_block_1 ... ok
Dec 05 07:56:38.532 INFO [stdout] test merkle_test::create_with_empty ... ok
Dec 05 07:56:38.540 INFO [stdout] test merkle_test::get_child_with_wrong_index ... ok
Dec 05 07:56:38.540 INFO [stdout] test merkle_test::get_child_with_wrong_level_greater ... ok
Dec 05 07:56:38.540 INFO [stdout] test crypto_test::sha256_with_wrong_size_input ... ok
Dec 05 07:56:38.540 INFO [stdout] test merkle_test::get_child_with_wrong_level_less ... ok
Dec 05 07:56:38.724 INFO [stdout] test merkle_test::get_hash_with_wrong_index ... ok
Dec 05 07:56:38.767 INFO [stdout] test merkle_test::get_hash_with_wrong_level ... ok
Dec 05 07:56:38.827 INFO [stdout] test merkle_test::get_wrong_level ... ok
Dec 05 07:56:38.828 INFO [stdout] test merkle_test::get_parent_with_wrong_index ... ok
Dec 05 07:56:38.848 INFO [stdout] test merkle_test::get_parent_with_wrong_level ... ok
Dec 05 07:56:38.850 INFO [stdout] test merkle_test::get_parent ... ok
Dec 05 07:56:46.531 INFO [stdout] test merkle_test::equal_test_one_core_vs_few_cores ... ok
Dec 05 07:56:46.531 INFO [stdout] 
Dec 05 07:56:46.531 INFO [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:56:46.531 INFO [stdout] 
Dec 05 07:56:46.543 INFO [stderr]    Doc-tests merkle_tree
Dec 05 07:56:47.096 INFO [stdout] 
Dec 05 07:56:47.096 INFO [stdout] running 1 test
Dec 05 07:56:47.096 INFO [stdout] test src/lib.rs -  (line 16) ... ignored
Dec 05 07:56:47.096 INFO [stdout] 
Dec 05 07:56:47.096 INFO [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
Dec 05 07:56:47.096 INFO [stdout] 
Dec 05 07:56:47.116 INFO [stderr] su: No module specific data is present
Dec 05 07:56:47.661 INFO running `"docker" "inspect" "3a6cf18dbd19c85740e89a01364fd85056b7293b6532813f72c3d16118cd32c2"`
Dec 05 07:56:47.972 INFO running `"docker" "rm" "-f" "3a6cf18dbd19c85740e89a01364fd85056b7293b6532813f72c3d16118cd32c2"`
Dec 05 07:56:48.200 INFO [stdout] 3a6cf18dbd19c85740e89a01364fd85056b7293b6532813f72c3d16118cd32c2