Oct 21 13:54:59.670 INFO checking sergorl/merkle_hash_tree against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 13:54:59.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 21 13:55:00.128 INFO blam! 213b6df5fb918e65f849713a18dee99640f7f00e40fb741ef4f976db3232c42c
Oct 21 13:55:00.136 INFO running `"docker" "start" "-a" "213b6df5fb918e65f849713a18dee99640f7f00e40fb741ef4f976db3232c42c"`
Oct 21 13:55:03.340 INFO kablam! usermod: no changes
Oct 21 13:55:03.428 INFO kablam!     Checking num_cpus v0.2.13
Oct 21 13:55:03.429 INFO kablam!     Checking rust-crypto v0.2.36
Oct 21 13:55:08.976 INFO kablam!     Checking merkle_hash_tree v0.1.0 (/source)
Oct 21 13:55:09.484 INFO kablam! warning: unused variable: `num_thread`
Oct 21 13:55:09.484 INFO kablam!    --> src/lib.rs:272:13
Oct 21 13:55:09.485 INFO kablam!     |
Oct 21 13:55:09.485 INFO kablam! 272 |         let num_thread: usize;
Oct 21 13:55:09.485 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Oct 21 13:55:09.485 INFO kablam!     |
Oct 21 13:55:09.485 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 13:55:09.485 INFO kablam! 
Oct 21 13:55:09.485 INFO kablam! warning: unused variable: `num_cpus`
Oct 21 13:55:09.485 INFO kablam!    --> src/lib.rs:255:78
Oct 21 13:55:09.485 INFO kablam!     |
Oct 21 13:55:09.485 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Oct 21 13:55:09.485 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 21 13:55:09.485 INFO kablam! 
Oct 21 13:55:09.485 INFO kablam! warning: unused variable: `num_cpus`
Oct 21 13:55:09.485 INFO kablam!    --> src/lib.rs:305:5
Oct 21 13:55:09.485 INFO kablam!     |
Oct 21 13:55:09.485 INFO kablam! 305 |     num_cpus: usize,
Oct 21 13:55:09.485 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 21 13:55:09.485 INFO kablam! 
Oct 21 13:55:09.545 INFO kablam! warning: unused variable: `num_thread`
Oct 21 13:55:09.545 INFO kablam!    --> src/lib.rs:272:13
Oct 21 13:55:09.545 INFO kablam!     |
Oct 21 13:55:09.545 INFO kablam! 272 |         let num_thread: usize;
Oct 21 13:55:09.545 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Oct 21 13:55:09.545 INFO kablam!     |
Oct 21 13:55:09.545 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 13:55:09.545 INFO kablam! 
Oct 21 13:55:09.545 INFO kablam! warning: unused variable: `num_cpus`
Oct 21 13:55:09.545 INFO kablam!    --> src/lib.rs:255:78
Oct 21 13:55:09.545 INFO kablam!     |
Oct 21 13:55:09.545 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Oct 21 13:55:09.545 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 21 13:55:09.545 INFO kablam! 
Oct 21 13:55:09.545 INFO kablam! warning: unused variable: `num_cpus`
Oct 21 13:55:09.545 INFO kablam!    --> src/lib.rs:305:5
Oct 21 13:55:09.545 INFO kablam!     |
Oct 21 13:55:09.545 INFO kablam! 305 |     num_cpus: usize,
Oct 21 13:55:09.545 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 21 13:55:09.546 INFO kablam! 
Oct 21 13:55:10.128 INFO kablam! warning: unused import: `rand::Rng`
Oct 21 13:55:10.129 INFO kablam!  --> benches/bench.rs:9:5
Oct 21 13:55:10.129 INFO kablam!   |
Oct 21 13:55:10.129 INFO kablam! 9 | use rand::Rng;
Oct 21 13:55:10.129 INFO kablam!   |     ^^^^^^^^^
Oct 21 13:55:10.129 INFO kablam!   |
Oct 21 13:55:10.129 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 13:55:10.129 INFO kablam! 
Oct 21 13:55:10.249 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Oct 21 13:55:10.249 INFO kablam!  --> src/main.rs:6:5
Oct 21 13:55:10.249 INFO kablam!   |
Oct 21 13:55:10.249 INFO kablam! 6 | use merkle_tree::to_hex_string;
Oct 21 13:55:10.249 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:55:10.249 INFO kablam!   |
Oct 21 13:55:10.249 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 13:55:10.249 INFO kablam! 
Oct 21 13:55:10.285 INFO kablam! warning: unused variable: `start`
Oct 21 13:55:10.285 INFO kablam!   --> src/main.rs:23:9
Oct 21 13:55:10.285 INFO kablam!    |
Oct 21 13:55:10.285 INFO kablam! 23 |     let start = PreciseTime::now();
Oct 21 13:55:10.285 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Oct 21 13:55:10.285 INFO kablam!    |
Oct 21 13:55:10.285 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 13:55:10.286 INFO kablam! 
Oct 21 13:55:10.286 INFO kablam! warning: unused variable: `end`
Oct 21 13:55:10.286 INFO kablam!   --> src/main.rs:25:9
Oct 21 13:55:10.286 INFO kablam!    |
Oct 21 13:55:10.286 INFO kablam! 25 |     let end = PreciseTime::now();
Oct 21 13:55:10.286 INFO kablam!    |         ^^^ help: consider using `_end` instead
Oct 21 13:55:10.286 INFO kablam! 
Oct 21 13:55:10.286 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:55:10.286 INFO kablam!   --> src/main.rs:18:9
Oct 21 13:55:10.286 INFO kablam!    |
Oct 21 13:55:10.286 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Oct 21 13:55:10.286 INFO kablam!    |         ----^^^^^^^^^
Oct 21 13:55:10.286 INFO kablam!    |         |
Oct 21 13:55:10.286 INFO kablam!    |         help: remove this `mut`
Oct 21 13:55:10.286 INFO kablam!    |
Oct 21 13:55:10.286 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 13:55:10.286 INFO kablam! 
Oct 21 13:55:10.286 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:55:10.286 INFO kablam!   --> src/main.rs:19:9
Oct 21 13:55:10.286 INFO kablam!    |
Oct 21 13:55:10.286 INFO kablam! 19 |     let mut size_block: usize = 32;
Oct 21 13:55:10.286 INFO kablam!    |         ----^^^^^^^^^^
Oct 21 13:55:10.286 INFO kablam!    |         |
Oct 21 13:55:10.286 INFO kablam!    |         help: remove this `mut`
Oct 21 13:55:10.287 INFO kablam! 
Oct 21 13:55:10.296 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Oct 21 13:55:10.297 INFO kablam!  --> src/main.rs:6:5
Oct 21 13:55:10.297 INFO kablam!   |
Oct 21 13:55:10.297 INFO kablam! 6 | use merkle_tree::to_hex_string;
Oct 21 13:55:10.297 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:55:10.297 INFO kablam!   |
Oct 21 13:55:10.297 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 13:55:10.297 INFO kablam! 
Oct 21 13:55:10.320 INFO kablam! warning: unused variable: `start`
Oct 21 13:55:10.320 INFO kablam!   --> src/main.rs:23:9
Oct 21 13:55:10.320 INFO kablam!    |
Oct 21 13:55:10.321 INFO kablam! 23 |     let start = PreciseTime::now();
Oct 21 13:55:10.321 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Oct 21 13:55:10.321 INFO kablam!    |
Oct 21 13:55:10.321 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 13:55:10.321 INFO kablam! 
Oct 21 13:55:10.321 INFO kablam! warning: unused variable: `end`
Oct 21 13:55:10.321 INFO kablam!   --> src/main.rs:25:9
Oct 21 13:55:10.321 INFO kablam!    |
Oct 21 13:55:10.321 INFO kablam! 25 |     let end = PreciseTime::now();
Oct 21 13:55:10.321 INFO kablam!    |         ^^^ help: consider using `_end` instead
Oct 21 13:55:10.321 INFO kablam! 
Oct 21 13:55:10.321 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:55:10.321 INFO kablam!   --> src/main.rs:18:9
Oct 21 13:55:10.321 INFO kablam!    |
Oct 21 13:55:10.321 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Oct 21 13:55:10.321 INFO kablam!    |         ----^^^^^^^^^
Oct 21 13:55:10.321 INFO kablam!    |         |
Oct 21 13:55:10.321 INFO kablam!    |         help: remove this `mut`
Oct 21 13:55:10.321 INFO kablam!    |
Oct 21 13:55:10.322 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 13:55:10.322 INFO kablam! 
Oct 21 13:55:10.322 INFO kablam! warning: variable does not need to be mutable
Oct 21 13:55:10.322 INFO kablam!   --> src/main.rs:19:9
Oct 21 13:55:10.322 INFO kablam!    |
Oct 21 13:55:10.322 INFO kablam! 19 |     let mut size_block: usize = 32;
Oct 21 13:55:10.322 INFO kablam!    |         ----^^^^^^^^^^
Oct 21 13:55:10.322 INFO kablam!    |         |
Oct 21 13:55:10.322 INFO kablam!    |         help: remove this `mut`
Oct 21 13:55:10.322 INFO kablam! 
Oct 21 13:55:10.392 INFO kablam! warning: unused import: `crypto::digest::Digest`
Oct 21 13:55:10.392 INFO kablam!   --> tests/test.rs:10:5
Oct 21 13:55:10.392 INFO kablam!    |
Oct 21 13:55:10.392 INFO kablam! 10 | use crypto::digest::Digest;
Oct 21 13:55:10.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:55:10.392 INFO kablam!    |
Oct 21 13:55:10.392 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 21 13:55:10.392 INFO kablam! 
Oct 21 13:55:10.392 INFO kablam! warning: unused import: `rand::Rng`
Oct 21 13:55:10.393 INFO kablam!   --> tests/test.rs:12:5
Oct 21 13:55:10.393 INFO kablam!    |
Oct 21 13:55:10.393 INFO kablam! 12 | use rand::Rng;
Oct 21 13:55:10.393 INFO kablam!    |     ^^^^^^^^^
Oct 21 13:55:10.393 INFO kablam! 
Oct 21 13:55:10.524 INFO kablam! warning: unused variable: `tree`
Oct 21 13:55:10.524 INFO kablam!   --> tests/test.rs:66:13
Oct 21 13:55:10.524 INFO kablam!    |
Oct 21 13:55:10.524 INFO kablam! 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 21 13:55:10.524 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 21 13:55:10.525 INFO kablam!    |
Oct 21 13:55:10.525 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 13:55:10.525 INFO kablam! 
Oct 21 13:55:10.525 INFO kablam! warning: unused variable: `tree`
Oct 21 13:55:10.525 INFO kablam!   --> tests/test.rs:74:13
Oct 21 13:55:10.525 INFO kablam!    |
Oct 21 13:55:10.525 INFO kablam! 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 21 13:55:10.525 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 21 13:55:10.525 INFO kablam! 
Oct 21 13:55:10.525 INFO kablam! warning: unused variable: `tree`
Oct 21 13:55:10.525 INFO kablam!   --> tests/test.rs:82:13
Oct 21 13:55:10.525 INFO kablam!    |
Oct 21 13:55:10.525 INFO kablam! 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 21 13:55:10.525 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 21 13:55:10.525 INFO kablam! 
Oct 21 13:55:10.570 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
Oct 21 13:55:10.576 INFO kablam! su: No module specific data is present
Oct 21 13:55:11.168 INFO running `"docker" "rm" "-f" "213b6df5fb918e65f849713a18dee99640f7f00e40fb741ef4f976db3232c42c"`
Oct 21 13:55:11.372 INFO blam! 213b6df5fb918e65f849713a18dee99640f7f00e40fb741ef4f976db3232c42c