Oct 12 14:00:34.190 INFO checking sergorl/merkle_hash_tree against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:00:34.191 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 14:00:34.652 INFO blam! 27dbd248c6d41d13b85eed44503ed446750b8085a5c178433e04620b5d48fff2
Oct 12 14:00:34.657 INFO running `"docker" "start" "-a" "27dbd248c6d41d13b85eed44503ed446750b8085a5c178433e04620b5d48fff2"`
Oct 12 14:00:35.762 INFO kablam! usermod: no changes
Oct 12 14:00:35.932 INFO kablam!     Checking num_cpus v0.2.13
Oct 12 14:00:35.936 INFO kablam!     Checking rust-crypto v0.2.36
Oct 12 14:00:35.936 INFO kablam!     Checking rayon v0.9.0
Oct 12 14:00:43.512 INFO kablam!     Checking merkle_hash_tree v0.1.0 (/source)
Oct 12 14:00:44.380 INFO kablam! warning: unused variable: `num_thread`
Oct 12 14:00:44.380 INFO kablam!    --> src/lib.rs:272:13
Oct 12 14:00:44.380 INFO kablam!     |
Oct 12 14:00:44.380 INFO kablam! 272 |         let num_thread: usize;
Oct 12 14:00:44.380 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Oct 12 14:00:44.380 INFO kablam!     |
Oct 12 14:00:44.380 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 14:00:44.380 INFO kablam! 
Oct 12 14:00:44.380 INFO kablam! warning: unused variable: `num_cpus`
Oct 12 14:00:44.380 INFO kablam!    --> src/lib.rs:255:78
Oct 12 14:00:44.380 INFO kablam!     |
Oct 12 14:00:44.380 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Oct 12 14:00:44.380 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 12 14:00:44.380 INFO kablam! 
Oct 12 14:00:44.380 INFO kablam! warning: unused variable: `num_cpus`
Oct 12 14:00:44.380 INFO kablam!    --> src/lib.rs:305:5
Oct 12 14:00:44.380 INFO kablam!     |
Oct 12 14:00:44.380 INFO kablam! 305 |     num_cpus: usize,
Oct 12 14:00:44.380 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 12 14:00:44.380 INFO kablam! 
Oct 12 14:00:44.612 INFO kablam! warning: unused variable: `num_thread`
Oct 12 14:00:44.612 INFO kablam!    --> src/lib.rs:272:13
Oct 12 14:00:44.612 INFO kablam!     |
Oct 12 14:00:44.612 INFO kablam! 272 |         let num_thread: usize;
Oct 12 14:00:44.612 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Oct 12 14:00:44.612 INFO kablam!     |
Oct 12 14:00:44.612 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 14:00:44.612 INFO kablam! 
Oct 12 14:00:44.612 INFO kablam! warning: unused variable: `num_cpus`
Oct 12 14:00:44.612 INFO kablam!    --> src/lib.rs:255:78
Oct 12 14:00:44.612 INFO kablam!     |
Oct 12 14:00:44.612 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Oct 12 14:00:44.612 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 12 14:00:44.612 INFO kablam! 
Oct 12 14:00:44.612 INFO kablam! warning: unused variable: `num_cpus`
Oct 12 14:00:44.612 INFO kablam!    --> src/lib.rs:305:5
Oct 12 14:00:44.613 INFO kablam!     |
Oct 12 14:00:44.613 INFO kablam! 305 |     num_cpus: usize,
Oct 12 14:00:44.613 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 12 14:00:44.613 INFO kablam! 
Oct 12 14:00:45.768 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Oct 12 14:00:45.768 INFO kablam!  --> src/main.rs:6:5
Oct 12 14:00:45.768 INFO kablam!   |
Oct 12 14:00:45.768 INFO kablam! 6 | use merkle_tree::to_hex_string;
Oct 12 14:00:45.768 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:00:45.769 INFO kablam!   |
Oct 12 14:00:45.769 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:00:45.769 INFO kablam! 
Oct 12 14:00:45.854 INFO kablam! warning: unused variable: `start`
Oct 12 14:00:45.854 INFO kablam!   --> src/main.rs:23:9
Oct 12 14:00:45.854 INFO kablam!    |
Oct 12 14:00:45.854 INFO kablam! 23 |     let start = PreciseTime::now();
Oct 12 14:00:45.854 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Oct 12 14:00:45.854 INFO kablam!    |
Oct 12 14:00:45.854 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:00:45.854 INFO kablam! 
Oct 12 14:00:45.854 INFO kablam! warning: unused variable: `end`
Oct 12 14:00:45.854 INFO kablam!   --> src/main.rs:25:9
Oct 12 14:00:45.854 INFO kablam!    |
Oct 12 14:00:45.854 INFO kablam! 25 |     let end = PreciseTime::now();
Oct 12 14:00:45.854 INFO kablam!    |         ^^^ help: consider using `_end` instead
Oct 12 14:00:45.854 INFO kablam! 
Oct 12 14:00:45.862 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:00:45.862 INFO kablam!   --> src/main.rs:18:9
Oct 12 14:00:45.862 INFO kablam!    |
Oct 12 14:00:45.862 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Oct 12 14:00:45.862 INFO kablam!    |         ----^^^^^^^^^
Oct 12 14:00:45.862 INFO kablam!    |         |
Oct 12 14:00:45.863 INFO kablam!    |         help: remove this `mut`
Oct 12 14:00:45.863 INFO kablam!    |
Oct 12 14:00:45.863 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:00:45.863 INFO kablam! 
Oct 12 14:00:45.864 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:00:45.864 INFO kablam!   --> src/main.rs:19:9
Oct 12 14:00:45.864 INFO kablam!    |
Oct 12 14:00:45.864 INFO kablam! 19 |     let mut size_block: usize = 32;
Oct 12 14:00:45.864 INFO kablam!    |         ----^^^^^^^^^^
Oct 12 14:00:45.864 INFO kablam!    |         |
Oct 12 14:00:45.865 INFO kablam!    |         help: remove this `mut`
Oct 12 14:00:45.865 INFO kablam! 
Oct 12 14:00:45.908 INFO kablam! warning: unused import: `rand::Rng`
Oct 12 14:00:45.909 INFO kablam!  --> benches/bench.rs:9:5
Oct 12 14:00:45.909 INFO kablam!   |
Oct 12 14:00:45.909 INFO kablam! 9 | use rand::Rng;
Oct 12 14:00:45.909 INFO kablam!   |     ^^^^^^^^^
Oct 12 14:00:45.909 INFO kablam!   |
Oct 12 14:00:45.909 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:00:45.909 INFO kablam! 
Oct 12 14:00:46.011 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Oct 12 14:00:46.011 INFO kablam!  --> src/main.rs:6:5
Oct 12 14:00:46.011 INFO kablam!   |
Oct 12 14:00:46.011 INFO kablam! 6 | use merkle_tree::to_hex_string;
Oct 12 14:00:46.011 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:00:46.011 INFO kablam!   |
Oct 12 14:00:46.011 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 14:00:46.011 INFO kablam! 
Oct 12 14:00:46.052 INFO kablam! warning: unused import: `crypto::digest::Digest`
Oct 12 14:00:46.053 INFO kablam!   --> tests/test.rs:10:5
Oct 12 14:00:46.053 INFO kablam!    |
Oct 12 14:00:46.054 INFO kablam! 10 | use crypto::digest::Digest;
Oct 12 14:00:46.054 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:00:46.054 INFO kablam!    |
Oct 12 14:00:46.055 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 14:00:46.055 INFO kablam! 
Oct 12 14:00:46.056 INFO kablam! warning: unused import: `rand::Rng`
Oct 12 14:00:46.056 INFO kablam!   --> tests/test.rs:12:5
Oct 12 14:00:46.056 INFO kablam!    |
Oct 12 14:00:46.057 INFO kablam! 12 | use rand::Rng;
Oct 12 14:00:46.057 INFO kablam!    |     ^^^^^^^^^
Oct 12 14:00:46.057 INFO kablam! 
Oct 12 14:00:46.108 INFO kablam! warning: unused variable: `start`
Oct 12 14:00:46.108 INFO kablam!   --> src/main.rs:23:9
Oct 12 14:00:46.108 INFO kablam!    |
Oct 12 14:00:46.108 INFO kablam! 23 |     let start = PreciseTime::now();
Oct 12 14:00:46.108 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Oct 12 14:00:46.109 INFO kablam!    |
Oct 12 14:00:46.109 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:00:46.109 INFO kablam! 
Oct 12 14:00:46.109 INFO kablam! warning: unused variable: `end`
Oct 12 14:00:46.109 INFO kablam!   --> src/main.rs:25:9
Oct 12 14:00:46.109 INFO kablam!    |
Oct 12 14:00:46.109 INFO kablam! 25 |     let end = PreciseTime::now();
Oct 12 14:00:46.109 INFO kablam!    |         ^^^ help: consider using `_end` instead
Oct 12 14:00:46.109 INFO kablam! 
Oct 12 14:00:46.110 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:00:46.110 INFO kablam!   --> src/main.rs:18:9
Oct 12 14:00:46.110 INFO kablam!    |
Oct 12 14:00:46.110 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Oct 12 14:00:46.110 INFO kablam!    |         ----^^^^^^^^^
Oct 12 14:00:46.110 INFO kablam!    |         |
Oct 12 14:00:46.111 INFO kablam!    |         help: remove this `mut`
Oct 12 14:00:46.111 INFO kablam!    |
Oct 12 14:00:46.111 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:00:46.111 INFO kablam! 
Oct 12 14:00:46.111 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:00:46.112 INFO kablam!   --> src/main.rs:19:9
Oct 12 14:00:46.112 INFO kablam!    |
Oct 12 14:00:46.112 INFO kablam! 19 |     let mut size_block: usize = 32;
Oct 12 14:00:46.112 INFO kablam!    |         ----^^^^^^^^^^
Oct 12 14:00:46.112 INFO kablam!    |         |
Oct 12 14:00:46.112 INFO kablam!    |         help: remove this `mut`
Oct 12 14:00:46.112 INFO kablam! 
Oct 12 14:00:46.310 INFO kablam! warning: unused variable: `tree`
Oct 12 14:00:46.310 INFO kablam!   --> tests/test.rs:66:13
Oct 12 14:00:46.310 INFO kablam!    |
Oct 12 14:00:46.310 INFO kablam! 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 12 14:00:46.310 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 12 14:00:46.310 INFO kablam!    |
Oct 12 14:00:46.310 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:00:46.311 INFO kablam! 
Oct 12 14:00:46.311 INFO kablam! warning: unused variable: `tree`
Oct 12 14:00:46.311 INFO kablam!   --> tests/test.rs:74:13
Oct 12 14:00:46.311 INFO kablam!    |
Oct 12 14:00:46.311 INFO kablam! 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 12 14:00:46.311 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 12 14:00:46.311 INFO kablam! 
Oct 12 14:00:46.312 INFO kablam! warning: unused variable: `tree`
Oct 12 14:00:46.312 INFO kablam!   --> tests/test.rs:82:13
Oct 12 14:00:46.312 INFO kablam!    |
Oct 12 14:00:46.312 INFO kablam! 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 12 14:00:46.312 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 12 14:00:46.312 INFO kablam! 
Oct 12 14:00:46.402 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
Oct 12 14:00:46.413 INFO kablam! su: No module specific data is present
Oct 12 14:00:47.264 INFO running `"docker" "rm" "-f" "27dbd248c6d41d13b85eed44503ed446750b8085a5c178433e04620b5d48fff2"`
Oct 12 14:00:47.500 INFO blam! 27dbd248c6d41d13b85eed44503ed446750b8085a5c178433e04620b5d48fff2