Nov 29 18:28:51.642 INFO checking sergorl/merkle_hash_tree against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:28:51.642 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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"`
Nov 29 18:28:52.084 INFO [stdout] c845c93facbcff2cafc04e08433282e75e72f22106489b467da5c0876fbf7e1c
Nov 29 18:28:52.086 INFO running `"docker" "start" "-a" "c845c93facbcff2cafc04e08433282e75e72f22106489b467da5c0876fbf7e1c"`
Nov 29 18:28:53.336 INFO [stderr] usermod: no changes
Nov 29 18:28:53.528 INFO [stderr]     Checking num_cpus v0.2.13
Nov 29 18:28:53.528 INFO [stderr]     Checking rayon-core v1.3.0
Nov 29 18:28:53.528 INFO [stderr]     Checking rust-crypto v0.2.36
Nov 29 18:28:54.768 INFO [stderr]     Checking rayon v0.9.0
Nov 29 18:29:01.698 INFO [stderr]     Checking merkle_hash_tree v0.1.0 (/source)
Nov 29 18:29:02.412 INFO [stderr] warning: unused variable: `num_thread`
Nov 29 18:29:02.413 INFO [stderr]    --> src/lib.rs:272:13
Nov 29 18:29:02.413 INFO [stderr]     |
Nov 29 18:29:02.414 INFO [stderr] 272 |         let num_thread: usize;
Nov 29 18:29:02.414 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Nov 29 18:29:02.414 INFO [stderr]     |
Nov 29 18:29:02.415 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 18:29:02.415 INFO [stderr] 
Nov 29 18:29:02.415 INFO [stderr] warning: unused variable: `num_cpus`
Nov 29 18:29:02.415 INFO [stderr]    --> src/lib.rs:255:78
Nov 29 18:29:02.416 INFO [stderr]     |
Nov 29 18:29:02.416 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Nov 29 18:29:02.416 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 29 18:29:02.416 INFO [stderr] 
Nov 29 18:29:02.417 INFO [stderr] warning: unused variable: `num_cpus`
Nov 29 18:29:02.417 INFO [stderr]    --> src/lib.rs:305:5
Nov 29 18:29:02.417 INFO [stderr]     |
Nov 29 18:29:02.418 INFO [stderr] 305 |     num_cpus: usize,
Nov 29 18:29:02.418 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 29 18:29:02.418 INFO [stderr] 
Nov 29 18:29:02.504 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.504 INFO [stderr]    --> src/lib.rs:158:9
Nov 29 18:29:02.504 INFO [stderr]     |
Nov 29 18:29:02.504 INFO [stderr] 158 |         write!(f, "{}\n", "Tree: ");
Nov 29 18:29:02.504 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:02.505 INFO [stderr]     |
Nov 29 18:29:02.505 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 18:29:02.505 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.505 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)
Nov 29 18:29:02.505 INFO [stderr] 
Nov 29 18:29:02.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.505 INFO [stderr]    --> src/lib.rs:161:13
Nov 29 18:29:02.505 INFO [stderr]     |
Nov 29 18:29:02.505 INFO [stderr] 161 |             write!(f, "Level {}: \n", level);
Nov 29 18:29:02.505 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:02.505 INFO [stderr]     |
Nov 29 18:29:02.505 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.505 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)
Nov 29 18:29:02.505 INFO [stderr] 
Nov 29 18:29:02.506 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.506 INFO [stderr]    --> src/lib.rs:164:17
Nov 29 18:29:02.506 INFO [stderr]     |
Nov 29 18:29:02.506 INFO [stderr] 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Nov 29 18:29:02.506 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:02.506 INFO [stderr]     |
Nov 29 18:29:02.506 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.506 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)
Nov 29 18:29:02.506 INFO [stderr] 
Nov 29 18:29:02.506 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.506 INFO [stderr]    --> src/lib.rs:170:13
Nov 29 18:29:02.506 INFO [stderr]     |
Nov 29 18:29:02.506 INFO [stderr] 170 | /             write!(
Nov 29 18:29:02.506 INFO [stderr] 171 | |                 f,
Nov 29 18:29:02.506 INFO [stderr] 172 | |                 "{}\n",
Nov 29 18:29:02.506 INFO [stderr] 173 | |                 "--------------------------------------------------------------------"
Nov 29 18:29:02.506 INFO [stderr] 174 | |             );
Nov 29 18:29:02.506 INFO [stderr]     | |______________^
Nov 29 18:29:02.506 INFO [stderr]     |
Nov 29 18:29:02.506 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.506 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)
Nov 29 18:29:02.506 INFO [stderr] 
Nov 29 18:29:02.520 INFO [stderr] warning: unused variable: `num_thread`
Nov 29 18:29:02.520 INFO [stderr]    --> src/lib.rs:272:13
Nov 29 18:29:02.520 INFO [stderr]     |
Nov 29 18:29:02.521 INFO [stderr] 272 |         let num_thread: usize;
Nov 29 18:29:02.521 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Nov 29 18:29:02.521 INFO [stderr]     |
Nov 29 18:29:02.521 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 18:29:02.521 INFO [stderr] 
Nov 29 18:29:02.521 INFO [stderr] warning: unused variable: `num_cpus`
Nov 29 18:29:02.521 INFO [stderr]    --> src/lib.rs:255:78
Nov 29 18:29:02.521 INFO [stderr]     |
Nov 29 18:29:02.521 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Nov 29 18:29:02.521 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 29 18:29:02.521 INFO [stderr] 
Nov 29 18:29:02.521 INFO [stderr] warning: unused variable: `num_cpus`
Nov 29 18:29:02.521 INFO [stderr]    --> src/lib.rs:305:5
Nov 29 18:29:02.521 INFO [stderr]     |
Nov 29 18:29:02.521 INFO [stderr] 305 |     num_cpus: usize,
Nov 29 18:29:02.521 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 29 18:29:02.521 INFO [stderr] 
Nov 29 18:29:02.773 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.773 INFO [stderr]    --> src/lib.rs:158:9
Nov 29 18:29:02.773 INFO [stderr]     |
Nov 29 18:29:02.773 INFO [stderr] 158 |         write!(f, "{}\n", "Tree: ");
Nov 29 18:29:02.773 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:02.773 INFO [stderr]     |
Nov 29 18:29:02.780 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 18:29:02.780 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.780 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)
Nov 29 18:29:02.780 INFO [stderr] 
Nov 29 18:29:02.780 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.780 INFO [stderr]    --> src/lib.rs:161:13
Nov 29 18:29:02.780 INFO [stderr]     |
Nov 29 18:29:02.780 INFO [stderr] 161 |             write!(f, "Level {}: \n", level);
Nov 29 18:29:02.780 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:02.780 INFO [stderr]     |
Nov 29 18:29:02.781 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.781 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)
Nov 29 18:29:02.781 INFO [stderr] 
Nov 29 18:29:02.781 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.781 INFO [stderr]    --> src/lib.rs:164:17
Nov 29 18:29:02.781 INFO [stderr]     |
Nov 29 18:29:02.781 INFO [stderr] 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Nov 29 18:29:02.781 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:02.781 INFO [stderr]     |
Nov 29 18:29:02.781 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.781 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)
Nov 29 18:29:02.781 INFO [stderr] 
Nov 29 18:29:02.781 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:02.781 INFO [stderr]    --> src/lib.rs:170:13
Nov 29 18:29:02.781 INFO [stderr]     |
Nov 29 18:29:02.781 INFO [stderr] 170 | /             write!(
Nov 29 18:29:02.781 INFO [stderr] 171 | |                 f,
Nov 29 18:29:02.781 INFO [stderr] 172 | |                 "{}\n",
Nov 29 18:29:02.781 INFO [stderr] 173 | |                 "--------------------------------------------------------------------"
Nov 29 18:29:02.781 INFO [stderr] 174 | |             );
Nov 29 18:29:02.781 INFO [stderr]     | |______________^
Nov 29 18:29:02.781 INFO [stderr]     |
Nov 29 18:29:02.781 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:02.781 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)
Nov 29 18:29:02.781 INFO [stderr] 
Nov 29 18:29:03.820 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Nov 29 18:29:03.820 INFO [stderr]  --> src/main.rs:6:5
Nov 29 18:29:03.820 INFO [stderr]   |
Nov 29 18:29:03.820 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Nov 29 18:29:03.820 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:03.820 INFO [stderr]   |
Nov 29 18:29:03.820 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:29:03.820 INFO [stderr] 
Nov 29 18:29:03.822 INFO [stderr] warning: unused import: `crypto::digest::Digest`
Nov 29 18:29:03.822 INFO [stderr]   --> tests/test.rs:10:5
Nov 29 18:29:03.822 INFO [stderr]    |
Nov 29 18:29:03.822 INFO [stderr] 10 | use crypto::digest::Digest;
Nov 29 18:29:03.822 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:03.823 INFO [stderr]    |
Nov 29 18:29:03.823 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 18:29:03.823 INFO [stderr] 
Nov 29 18:29:03.823 INFO [stderr] warning: unused import: `rand::Rng`
Nov 29 18:29:03.823 INFO [stderr]   --> tests/test.rs:12:5
Nov 29 18:29:03.823 INFO [stderr]    |
Nov 29 18:29:03.823 INFO [stderr] 12 | use rand::Rng;
Nov 29 18:29:03.823 INFO [stderr]    |     ^^^^^^^^^
Nov 29 18:29:03.823 INFO [stderr] 
Nov 29 18:29:03.924 INFO [stderr] warning: unused variable: `start`
Nov 29 18:29:03.924 INFO [stderr]   --> src/main.rs:23:9
Nov 29 18:29:03.924 INFO [stderr]    |
Nov 29 18:29:03.924 INFO [stderr] 23 |     let start = PreciseTime::now();
Nov 29 18:29:03.924 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Nov 29 18:29:03.924 INFO [stderr]    |
Nov 29 18:29:03.924 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:29:03.924 INFO [stderr] 
Nov 29 18:29:03.924 INFO [stderr] warning: unused variable: `end`
Nov 29 18:29:03.924 INFO [stderr]   --> src/main.rs:25:9
Nov 29 18:29:03.924 INFO [stderr]    |
Nov 29 18:29:03.924 INFO [stderr] 25 |     let end = PreciseTime::now();
Nov 29 18:29:03.924 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Nov 29 18:29:03.924 INFO [stderr] 
Nov 29 18:29:03.948 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:29:03.948 INFO [stderr]   --> src/main.rs:18:9
Nov 29 18:29:03.948 INFO [stderr]    |
Nov 29 18:29:03.948 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Nov 29 18:29:03.948 INFO [stderr]    |         ----^^^^^^^^^
Nov 29 18:29:03.948 INFO [stderr]    |         |
Nov 29 18:29:03.948 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:29:03.948 INFO [stderr]    |
Nov 29 18:29:03.948 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:29:03.948 INFO [stderr] 
Nov 29 18:29:03.948 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:29:03.948 INFO [stderr]   --> src/main.rs:19:9
Nov 29 18:29:03.948 INFO [stderr]    |
Nov 29 18:29:03.948 INFO [stderr] 19 |     let mut size_block: usize = 32;
Nov 29 18:29:03.948 INFO [stderr]    |         ----^^^^^^^^^^
Nov 29 18:29:03.948 INFO [stderr]    |         |
Nov 29 18:29:03.948 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:29:03.948 INFO [stderr] 
Nov 29 18:29:03.960 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Nov 29 18:29:03.960 INFO [stderr]  --> src/main.rs:6:5
Nov 29 18:29:03.960 INFO [stderr]   |
Nov 29 18:29:03.960 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Nov 29 18:29:03.960 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:29:03.960 INFO [stderr]   |
Nov 29 18:29:03.960 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:29:03.960 INFO [stderr] 
Nov 29 18:29:04.004 INFO [stderr] warning: unused import: `rand::Rng`
Nov 29 18:29:04.004 INFO [stderr]  --> benches/bench.rs:9:5
Nov 29 18:29:04.004 INFO [stderr]   |
Nov 29 18:29:04.004 INFO [stderr] 9 | use rand::Rng;
Nov 29 18:29:04.004 INFO [stderr]   |     ^^^^^^^^^
Nov 29 18:29:04.004 INFO [stderr]   |
Nov 29 18:29:04.004 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:29:04.004 INFO [stderr] 
Nov 29 18:29:04.064 INFO [stderr] warning: unused variable: `start`
Nov 29 18:29:04.064 INFO [stderr]   --> src/main.rs:23:9
Nov 29 18:29:04.064 INFO [stderr]    |
Nov 29 18:29:04.064 INFO [stderr] 23 |     let start = PreciseTime::now();
Nov 29 18:29:04.064 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Nov 29 18:29:04.064 INFO [stderr]    |
Nov 29 18:29:04.064 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:29:04.064 INFO [stderr] 
Nov 29 18:29:04.064 INFO [stderr] warning: unused variable: `end`
Nov 29 18:29:04.064 INFO [stderr]   --> src/main.rs:25:9
Nov 29 18:29:04.064 INFO [stderr]    |
Nov 29 18:29:04.064 INFO [stderr] 25 |     let end = PreciseTime::now();
Nov 29 18:29:04.064 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Nov 29 18:29:04.064 INFO [stderr] 
Nov 29 18:29:04.084 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:29:04.084 INFO [stderr]   --> src/main.rs:18:9
Nov 29 18:29:04.084 INFO [stderr]    |
Nov 29 18:29:04.084 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Nov 29 18:29:04.084 INFO [stderr]    |         ----^^^^^^^^^
Nov 29 18:29:04.084 INFO [stderr]    |         |
Nov 29 18:29:04.084 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:29:04.084 INFO [stderr]    |
Nov 29 18:29:04.084 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:29:04.084 INFO [stderr] 
Nov 29 18:29:04.084 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:29:04.084 INFO [stderr]   --> src/main.rs:19:9
Nov 29 18:29:04.084 INFO [stderr]    |
Nov 29 18:29:04.084 INFO [stderr] 19 |     let mut size_block: usize = 32;
Nov 29 18:29:04.084 INFO [stderr]    |         ----^^^^^^^^^^
Nov 29 18:29:04.084 INFO [stderr]    |         |
Nov 29 18:29:04.084 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:29:04.084 INFO [stderr] 
Nov 29 18:29:04.285 INFO [stderr] warning: unused variable: `tree`
Nov 29 18:29:04.285 INFO [stderr]   --> tests/test.rs:66:13
Nov 29 18:29:04.285 INFO [stderr]    |
Nov 29 18:29:04.285 INFO [stderr] 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 29 18:29:04.285 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Nov 29 18:29:04.285 INFO [stderr]    |
Nov 29 18:29:04.285 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:29:04.285 INFO [stderr] 
Nov 29 18:29:04.285 INFO [stderr] warning: unused variable: `tree`
Nov 29 18:29:04.285 INFO [stderr]   --> tests/test.rs:74:13
Nov 29 18:29:04.285 INFO [stderr]    |
Nov 29 18:29:04.285 INFO [stderr] 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 29 18:29:04.285 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Nov 29 18:29:04.285 INFO [stderr] 
Nov 29 18:29:04.285 INFO [stderr] warning: unused variable: `tree`
Nov 29 18:29:04.285 INFO [stderr]   --> tests/test.rs:82:13
Nov 29 18:29:04.285 INFO [stderr]    |
Nov 29 18:29:04.285 INFO [stderr] 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 29 18:29:04.285 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Nov 29 18:29:04.285 INFO [stderr] 
Nov 29 18:29:04.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
Nov 29 18:29:04.392 INFO [stderr] su: No module specific data is present
Nov 29 18:29:05.068 INFO running `"docker" "inspect" "c845c93facbcff2cafc04e08433282e75e72f22106489b467da5c0876fbf7e1c"`
Nov 29 18:29:05.336 INFO running `"docker" "rm" "-f" "c845c93facbcff2cafc04e08433282e75e72f22106489b467da5c0876fbf7e1c"`
Nov 29 18:29:05.732 INFO [stdout] c845c93facbcff2cafc04e08433282e75e72f22106489b467da5c0876fbf7e1c