Oct 31 21:25:05.711 INFO checking sergorl/merkle_hash_tree against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 21:25:05.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 21:25:06.188 INFO blam! 859cb5cbba1319098f4b797b753b91678bec7a4eb64802a9a915dd779db2ac2d
Oct 31 21:25:06.192 INFO running `"docker" "start" "-a" "859cb5cbba1319098f4b797b753b91678bec7a4eb64802a9a915dd779db2ac2d"`
Oct 31 21:25:07.262 INFO kablam! usermod: no changes
Oct 31 21:25:07.464 INFO kablam!     Checking num_cpus v0.2.13
Oct 31 21:25:07.464 INFO kablam!     Checking rust-crypto v0.2.36
Oct 31 21:25:13.980 INFO kablam!     Checking merkle_hash_tree v0.1.0 (/source)
Oct 31 21:25:14.764 INFO kablam! warning: unused variable: `num_thread`
Oct 31 21:25:14.764 INFO kablam!    --> src/lib.rs:272:13
Oct 31 21:25:14.764 INFO kablam!     |
Oct 31 21:25:14.764 INFO kablam! 272 |         let num_thread: usize;
Oct 31 21:25:14.764 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Oct 31 21:25:14.764 INFO kablam!     |
Oct 31 21:25:14.764 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 31 21:25:14.764 INFO kablam! 
Oct 31 21:25:14.764 INFO kablam! warning: unused variable: `num_cpus`
Oct 31 21:25:14.764 INFO kablam!    --> src/lib.rs:255:78
Oct 31 21:25:14.764 INFO kablam!     |
Oct 31 21:25:14.764 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Oct 31 21:25:14.764 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 31 21:25:14.764 INFO kablam! 
Oct 31 21:25:14.764 INFO kablam! warning: unused variable: `num_cpus`
Oct 31 21:25:14.764 INFO kablam!    --> src/lib.rs:305:5
Oct 31 21:25:14.764 INFO kablam!     |
Oct 31 21:25:14.764 INFO kablam! 305 |     num_cpus: usize,
Oct 31 21:25:14.764 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 31 21:25:14.764 INFO kablam! 
Oct 31 21:25:14.952 INFO kablam! warning: unused variable: `num_thread`
Oct 31 21:25:14.952 INFO kablam!    --> src/lib.rs:272:13
Oct 31 21:25:14.952 INFO kablam!     |
Oct 31 21:25:14.952 INFO kablam! 272 |         let num_thread: usize;
Oct 31 21:25:14.952 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Oct 31 21:25:14.952 INFO kablam!     |
Oct 31 21:25:14.952 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 31 21:25:14.952 INFO kablam! 
Oct 31 21:25:14.952 INFO kablam! warning: unused variable: `num_cpus`
Oct 31 21:25:14.952 INFO kablam!    --> src/lib.rs:255:78
Oct 31 21:25:14.952 INFO kablam!     |
Oct 31 21:25:14.952 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Oct 31 21:25:14.952 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 31 21:25:14.952 INFO kablam! 
Oct 31 21:25:14.952 INFO kablam! warning: unused variable: `num_cpus`
Oct 31 21:25:14.952 INFO kablam!    --> src/lib.rs:305:5
Oct 31 21:25:14.952 INFO kablam!     |
Oct 31 21:25:14.952 INFO kablam! 305 |     num_cpus: usize,
Oct 31 21:25:14.952 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Oct 31 21:25:14.952 INFO kablam! 
Oct 31 21:25:16.172 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Oct 31 21:25:16.172 INFO kablam!  --> src/main.rs:6:5
Oct 31 21:25:16.173 INFO kablam!   |
Oct 31 21:25:16.173 INFO kablam! 6 | use merkle_tree::to_hex_string;
Oct 31 21:25:16.174 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:25:16.174 INFO kablam!   |
Oct 31 21:25:16.175 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:25:16.175 INFO kablam! 
Oct 31 21:25:16.224 INFO kablam! warning: unused variable: `start`
Oct 31 21:25:16.225 INFO kablam!   --> src/main.rs:23:9
Oct 31 21:25:16.225 INFO kablam!    |
Oct 31 21:25:16.226 INFO kablam! 23 |     let start = PreciseTime::now();
Oct 31 21:25:16.226 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Oct 31 21:25:16.227 INFO kablam!    |
Oct 31 21:25:16.227 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:25:16.227 INFO kablam! 
Oct 31 21:25:16.228 INFO kablam! warning: unused variable: `end`
Oct 31 21:25:16.228 INFO kablam!   --> src/main.rs:25:9
Oct 31 21:25:16.229 INFO kablam!    |
Oct 31 21:25:16.229 INFO kablam! 25 |     let end = PreciseTime::now();
Oct 31 21:25:16.230 INFO kablam!    |         ^^^ help: consider using `_end` instead
Oct 31 21:25:16.230 INFO kablam! 
Oct 31 21:25:16.234 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:25:16.234 INFO kablam!   --> src/main.rs:18:9
Oct 31 21:25:16.235 INFO kablam!    |
Oct 31 21:25:16.240 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Oct 31 21:25:16.241 INFO kablam!    |         ----^^^^^^^^^
Oct 31 21:25:16.241 INFO kablam!    |         |
Oct 31 21:25:16.241 INFO kablam!    |         help: remove this `mut`
Oct 31 21:25:16.242 INFO kablam!    |
Oct 31 21:25:16.242 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 21:25:16.243 INFO kablam! 
Oct 31 21:25:16.243 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:25:16.244 INFO kablam!   --> src/main.rs:19:9
Oct 31 21:25:16.244 INFO kablam!    |
Oct 31 21:25:16.245 INFO kablam! 19 |     let mut size_block: usize = 32;
Oct 31 21:25:16.245 INFO kablam!    |         ----^^^^^^^^^^
Oct 31 21:25:16.246 INFO kablam!    |         |
Oct 31 21:25:16.246 INFO kablam!    |         help: remove this `mut`
Oct 31 21:25:16.247 INFO kablam! 
Oct 31 21:25:16.356 INFO kablam! warning: unused import: `rand::Rng`
Oct 31 21:25:16.357 INFO kablam!  --> benches/bench.rs:9:5
Oct 31 21:25:16.358 INFO kablam!   |
Oct 31 21:25:16.358 INFO kablam! 9 | use rand::Rng;
Oct 31 21:25:16.359 INFO kablam!   |     ^^^^^^^^^
Oct 31 21:25:16.359 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Oct 31 21:25:16.360 INFO kablam!  --> src/main.rs:6:5
Oct 31 21:25:16.360 INFO kablam!   |
Oct 31 21:25:16.361 INFO kablam! 6 | use merkle_tree::to_hex_string;
Oct 31 21:25:16.361 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:25:16.361 INFO kablam!   |
Oct 31 21:25:16.362 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:25:16.362 INFO kablam! 
Oct 31 21:25:16.363 INFO kablam!   |
Oct 31 21:25:16.363 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:25:16.364 INFO kablam! 
Oct 31 21:25:16.384 INFO kablam! warning: unused import: `crypto::digest::Digest`
Oct 31 21:25:16.384 INFO kablam!   --> tests/test.rs:10:5
Oct 31 21:25:16.385 INFO kablam!    |
Oct 31 21:25:16.385 INFO kablam! 10 | use crypto::digest::Digest;
Oct 31 21:25:16.386 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:25:16.386 INFO kablam!    |
Oct 31 21:25:16.387 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 31 21:25:16.387 INFO kablam! 
Oct 31 21:25:16.388 INFO kablam! warning: unused import: `rand::Rng`
Oct 31 21:25:16.388 INFO kablam!   --> tests/test.rs:12:5
Oct 31 21:25:16.389 INFO kablam!    |
Oct 31 21:25:16.389 INFO kablam! 12 | use rand::Rng;
Oct 31 21:25:16.390 INFO kablam!    |     ^^^^^^^^^
Oct 31 21:25:16.390 INFO kablam! 
Oct 31 21:25:16.432 INFO kablam! warning: unused variable: `start`
Oct 31 21:25:16.433 INFO kablam!   --> src/main.rs:23:9
Oct 31 21:25:16.434 INFO kablam!    |
Oct 31 21:25:16.434 INFO kablam! 23 |     let start = PreciseTime::now();
Oct 31 21:25:16.435 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Oct 31 21:25:16.435 INFO kablam!    |
Oct 31 21:25:16.436 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:25:16.436 INFO kablam! 
Oct 31 21:25:16.437 INFO kablam! warning: unused variable: `end`
Oct 31 21:25:16.437 INFO kablam!   --> src/main.rs:25:9
Oct 31 21:25:16.437 INFO kablam!    |
Oct 31 21:25:16.438 INFO kablam! 25 |     let end = PreciseTime::now();
Oct 31 21:25:16.438 INFO kablam!    |         ^^^ help: consider using `_end` instead
Oct 31 21:25:16.439 INFO kablam! 
Oct 31 21:25:16.439 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:25:16.440 INFO kablam!   --> src/main.rs:18:9
Oct 31 21:25:16.440 INFO kablam!    |
Oct 31 21:25:16.441 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Oct 31 21:25:16.441 INFO kablam!    |         ----^^^^^^^^^
Oct 31 21:25:16.441 INFO kablam!    |         |
Oct 31 21:25:16.441 INFO kablam!    |         help: remove this `mut`
Oct 31 21:25:16.441 INFO kablam!    |
Oct 31 21:25:16.441 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 21:25:16.441 INFO kablam! 
Oct 31 21:25:16.441 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:25:16.441 INFO kablam!   --> src/main.rs:19:9
Oct 31 21:25:16.441 INFO kablam!    |
Oct 31 21:25:16.441 INFO kablam! 19 |     let mut size_block: usize = 32;
Oct 31 21:25:16.441 INFO kablam!    |         ----^^^^^^^^^^
Oct 31 21:25:16.441 INFO kablam!    |         |
Oct 31 21:25:16.441 INFO kablam!    |         help: remove this `mut`
Oct 31 21:25:16.441 INFO kablam! 
Oct 31 21:25:16.676 INFO kablam! warning: unused variable: `tree`
Oct 31 21:25:16.676 INFO kablam!   --> tests/test.rs:66:13
Oct 31 21:25:16.676 INFO kablam!    |
Oct 31 21:25:16.676 INFO kablam! 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 31 21:25:16.676 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 31 21:25:16.676 INFO kablam!    |
Oct 31 21:25:16.676 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:25:16.676 INFO kablam! 
Oct 31 21:25:16.676 INFO kablam! warning: unused variable: `tree`
Oct 31 21:25:16.676 INFO kablam!   --> tests/test.rs:74:13
Oct 31 21:25:16.676 INFO kablam!    |
Oct 31 21:25:16.676 INFO kablam! 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 31 21:25:16.676 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 31 21:25:16.676 INFO kablam! 
Oct 31 21:25:16.678 INFO kablam! warning: unused variable: `tree`
Oct 31 21:25:16.678 INFO kablam!   --> tests/test.rs:82:13
Oct 31 21:25:16.678 INFO kablam!    |
Oct 31 21:25:16.678 INFO kablam! 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Oct 31 21:25:16.678 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Oct 31 21:25:16.678 INFO kablam! 
Oct 31 21:25:16.754 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.45s
Oct 31 21:25:16.766 INFO kablam! su: No module specific data is present
Oct 31 21:25:17.638 INFO running `"docker" "rm" "-f" "859cb5cbba1319098f4b797b753b91678bec7a4eb64802a9a915dd779db2ac2d"`
Oct 31 21:25:18.022 INFO blam! 859cb5cbba1319098f4b797b753b91678bec7a4eb64802a9a915dd779db2ac2d