Nov 09 05:29:22.231 INFO checking sergorl/merkle_hash_tree against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 05:29:22.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-0/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 05:29:22.747 INFO blam! e94d2da36e96e75a4fc03a430fc336553a462072805f6d5902d1c785cdfedb9c
Nov 09 05:29:22.747 INFO running `"docker" "start" "-a" "e94d2da36e96e75a4fc03a430fc336553a462072805f6d5902d1c785cdfedb9c"`
Nov 09 05:29:24.355 INFO kablam! usermod: no changes
Nov 09 05:29:24.471 INFO kablam!     Checking num_cpus v0.2.13
Nov 09 05:29:24.471 INFO kablam!     Checking rust-crypto v0.2.36
Nov 09 05:29:29.792 INFO kablam!     Checking merkle_hash_tree v0.1.0 (/source)
Nov 09 05:29:30.487 INFO kablam! warning: unused variable: `num_thread`
Nov 09 05:29:30.487 INFO kablam!    --> src/lib.rs:272:13
Nov 09 05:29:30.488 INFO kablam!     |
Nov 09 05:29:30.488 INFO kablam! 272 |         let num_thread: usize;
Nov 09 05:29:30.489 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Nov 09 05:29:30.489 INFO kablam!     |
Nov 09 05:29:30.489 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 09 05:29:30.489 INFO kablam! 
Nov 09 05:29:30.490 INFO kablam! warning: unused variable: `num_cpus`
Nov 09 05:29:30.490 INFO kablam!    --> src/lib.rs:255:78
Nov 09 05:29:30.490 INFO kablam!     |
Nov 09 05:29:30.491 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Nov 09 05:29:30.491 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 09 05:29:30.491 INFO kablam! 
Nov 09 05:29:30.492 INFO kablam! warning: unused variable: `num_cpus`
Nov 09 05:29:30.492 INFO kablam!    --> src/lib.rs:305:5
Nov 09 05:29:30.492 INFO kablam!     |
Nov 09 05:29:30.495 INFO kablam! 305 |     num_cpus: usize,
Nov 09 05:29:30.495 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 09 05:29:30.495 INFO kablam! 
Nov 09 05:29:30.587 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.587 INFO kablam!    --> src/lib.rs:158:9
Nov 09 05:29:30.587 INFO kablam!     |
Nov 09 05:29:30.587 INFO kablam! 158 |         write!(f, "{}\n", "Tree: ");
Nov 09 05:29:30.587 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:30.587 INFO kablam!     |
Nov 09 05:29:30.587 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 05:29:30.587 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.587 INFO kablam!     = 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 09 05:29:30.587 INFO kablam! 
Nov 09 05:29:30.588 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.588 INFO kablam!    --> src/lib.rs:161:13
Nov 09 05:29:30.588 INFO kablam!     |
Nov 09 05:29:30.588 INFO kablam! 161 |             write!(f, "Level {}: \n", level);
Nov 09 05:29:30.588 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:30.588 INFO kablam!     |
Nov 09 05:29:30.589 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.589 INFO kablam!     = 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 09 05:29:30.589 INFO kablam! 
Nov 09 05:29:30.589 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.589 INFO kablam!    --> src/lib.rs:164:17
Nov 09 05:29:30.590 INFO kablam!     |
Nov 09 05:29:30.590 INFO kablam! 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Nov 09 05:29:30.590 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:30.590 INFO kablam!     |
Nov 09 05:29:30.590 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.590 INFO kablam!     = 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 09 05:29:30.590 INFO kablam! 
Nov 09 05:29:30.595 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.595 INFO kablam!    --> src/lib.rs:170:13
Nov 09 05:29:30.595 INFO kablam!     |
Nov 09 05:29:30.595 INFO kablam! 170 | /             write!(
Nov 09 05:29:30.595 INFO kablam! 171 | |                 f,
Nov 09 05:29:30.595 INFO kablam! 172 | |                 "{}\n",
Nov 09 05:29:30.595 INFO kablam! 173 | |                 "--------------------------------------------------------------------"
Nov 09 05:29:30.595 INFO kablam! 174 | |             );
Nov 09 05:29:30.595 INFO kablam!     | |______________^
Nov 09 05:29:30.595 INFO kablam!     |
Nov 09 05:29:30.595 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.595 INFO kablam!     = 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 09 05:29:30.595 INFO kablam! 
Nov 09 05:29:30.694 INFO kablam! warning: unused variable: `num_thread`
Nov 09 05:29:30.694 INFO kablam!    --> src/lib.rs:272:13
Nov 09 05:29:30.694 INFO kablam!     |
Nov 09 05:29:30.694 INFO kablam! 272 |         let num_thread: usize;
Nov 09 05:29:30.694 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Nov 09 05:29:30.694 INFO kablam!     |
Nov 09 05:29:30.703 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 09 05:29:30.703 INFO kablam! 
Nov 09 05:29:30.703 INFO kablam! warning: unused variable: `num_cpus`
Nov 09 05:29:30.703 INFO kablam!    --> src/lib.rs:255:78
Nov 09 05:29:30.703 INFO kablam!     |
Nov 09 05:29:30.703 INFO kablam! 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Nov 09 05:29:30.703 INFO kablam!     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 09 05:29:30.703 INFO kablam! 
Nov 09 05:29:30.703 INFO kablam! warning: unused variable: `num_cpus`
Nov 09 05:29:30.703 INFO kablam!    --> src/lib.rs:305:5
Nov 09 05:29:30.703 INFO kablam!     |
Nov 09 05:29:30.703 INFO kablam! 305 |     num_cpus: usize,
Nov 09 05:29:30.703 INFO kablam!     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 09 05:29:30.703 INFO kablam! 
Nov 09 05:29:30.790 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.790 INFO kablam!    --> src/lib.rs:158:9
Nov 09 05:29:30.790 INFO kablam!     |
Nov 09 05:29:30.790 INFO kablam! 158 |         write!(f, "{}\n", "Tree: ");
Nov 09 05:29:30.790 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:30.790 INFO kablam!     |
Nov 09 05:29:30.790 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 05:29:30.791 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.791 INFO kablam!     = 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 09 05:29:30.791 INFO kablam! 
Nov 09 05:29:30.791 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.791 INFO kablam!    --> src/lib.rs:161:13
Nov 09 05:29:30.791 INFO kablam!     |
Nov 09 05:29:30.791 INFO kablam! 161 |             write!(f, "Level {}: \n", level);
Nov 09 05:29:30.791 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:30.791 INFO kablam!     |
Nov 09 05:29:30.791 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.791 INFO kablam!     = 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 09 05:29:30.791 INFO kablam! 
Nov 09 05:29:30.791 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.791 INFO kablam!    --> src/lib.rs:164:17
Nov 09 05:29:30.791 INFO kablam!     |
Nov 09 05:29:30.791 INFO kablam! 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Nov 09 05:29:30.791 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:30.791 INFO kablam!     |
Nov 09 05:29:30.791 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.791 INFO kablam!     = 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 09 05:29:30.791 INFO kablam! 
Nov 09 05:29:30.791 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:29:30.791 INFO kablam!    --> src/lib.rs:170:13
Nov 09 05:29:30.791 INFO kablam!     |
Nov 09 05:29:30.791 INFO kablam! 170 | /             write!(
Nov 09 05:29:30.791 INFO kablam! 171 | |                 f,
Nov 09 05:29:30.791 INFO kablam! 172 | |                 "{}\n",
Nov 09 05:29:30.791 INFO kablam! 173 | |                 "--------------------------------------------------------------------"
Nov 09 05:29:30.791 INFO kablam! 174 | |             );
Nov 09 05:29:30.791 INFO kablam!     | |______________^
Nov 09 05:29:30.791 INFO kablam!     |
Nov 09 05:29:30.791 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:29:30.791 INFO kablam!     = 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 09 05:29:30.791 INFO kablam! 
Nov 09 05:29:31.687 INFO kablam! warning: unused import: `rand::Rng`
Nov 09 05:29:31.687 INFO kablam!  --> benches/bench.rs:9:5
Nov 09 05:29:31.687 INFO kablam!   |
Nov 09 05:29:31.688 INFO kablam! 9 | use rand::Rng;
Nov 09 05:29:31.688 INFO kablam!   |     ^^^^^^^^^
Nov 09 05:29:31.688 INFO kablam!   |
Nov 09 05:29:31.688 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 05:29:31.688 INFO kablam! 
Nov 09 05:29:31.851 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Nov 09 05:29:31.851 INFO kablam!  --> src/main.rs:6:5
Nov 09 05:29:31.851 INFO kablam!   |
Nov 09 05:29:31.851 INFO kablam! 6 | use merkle_tree::to_hex_string;
Nov 09 05:29:31.851 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:31.852 INFO kablam!   |
Nov 09 05:29:31.852 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 05:29:31.852 INFO kablam! 
Nov 09 05:29:31.979 INFO kablam! warning: unused variable: `start`
Nov 09 05:29:31.979 INFO kablam!   --> src/main.rs:23:9
Nov 09 05:29:31.979 INFO kablam!    |
Nov 09 05:29:31.980 INFO kablam! 23 |     let start = PreciseTime::now();
Nov 09 05:29:31.980 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Nov 09 05:29:31.980 INFO kablam!    |
Nov 09 05:29:31.980 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:29:31.981 INFO kablam! 
Nov 09 05:29:31.981 INFO kablam! warning: unused variable: `end`
Nov 09 05:29:31.981 INFO kablam!   --> src/main.rs:25:9
Nov 09 05:29:31.981 INFO kablam!    |
Nov 09 05:29:31.982 INFO kablam! 25 |     let end = PreciseTime::now();
Nov 09 05:29:31.982 INFO kablam!    |         ^^^ help: consider using `_end` instead
Nov 09 05:29:31.982 INFO kablam! 
Nov 09 05:29:31.991 INFO kablam! warning: variable does not need to be mutable
Nov 09 05:29:31.991 INFO kablam!   --> src/main.rs:18:9
Nov 09 05:29:31.991 INFO kablam!    |
Nov 09 05:29:31.992 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Nov 09 05:29:31.992 INFO kablam!    |         ----^^^^^^^^^
Nov 09 05:29:31.992 INFO kablam!    |         |
Nov 09 05:29:31.992 INFO kablam!    |         help: remove this `mut`
Nov 09 05:29:31.993 INFO kablam!    |
Nov 09 05:29:31.993 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 05:29:31.993 INFO kablam! 
Nov 09 05:29:31.993 INFO kablam! warning: variable does not need to be mutable
Nov 09 05:29:31.994 INFO kablam!   --> src/main.rs:19:9
Nov 09 05:29:31.994 INFO kablam!    |
Nov 09 05:29:31.994 INFO kablam! 19 |     let mut size_block: usize = 32;
Nov 09 05:29:31.994 INFO kablam!    |         ----^^^^^^^^^^
Nov 09 05:29:31.995 INFO kablam!    |         |
Nov 09 05:29:31.995 INFO kablam!    |         help: remove this `mut`
Nov 09 05:29:31.995 INFO kablam! 
Nov 09 05:29:32.035 INFO kablam! warning: unused import: `merkle_tree::to_hex_string`
Nov 09 05:29:32.035 INFO kablam!  --> src/main.rs:6:5
Nov 09 05:29:32.036 INFO kablam!   |
Nov 09 05:29:32.036 INFO kablam! 6 | use merkle_tree::to_hex_string;
Nov 09 05:29:32.036 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:32.036 INFO kablam!   |
Nov 09 05:29:32.037 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 05:29:32.037 INFO kablam! 
Nov 09 05:29:32.090 INFO kablam! warning: unused variable: `start`
Nov 09 05:29:32.091 INFO kablam!   --> src/main.rs:23:9
Nov 09 05:29:32.091 INFO kablam!    |
Nov 09 05:29:32.091 INFO kablam! 23 |     let start = PreciseTime::now();
Nov 09 05:29:32.091 INFO kablam!    |         ^^^^^ help: consider using `_start` instead
Nov 09 05:29:32.091 INFO kablam!    |
Nov 09 05:29:32.091 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:29:32.091 INFO kablam! 
Nov 09 05:29:32.091 INFO kablam! warning: unused variable: `end`
Nov 09 05:29:32.092 INFO kablam!   --> src/main.rs:25:9
Nov 09 05:29:32.092 INFO kablam!    |
Nov 09 05:29:32.092 INFO kablam! 25 |     let end = PreciseTime::now();
Nov 09 05:29:32.092 INFO kablam!    |         ^^^ help: consider using `_end` instead
Nov 09 05:29:32.092 INFO kablam! 
Nov 09 05:29:32.093 INFO kablam! warning: variable does not need to be mutable
Nov 09 05:29:32.093 INFO kablam!   --> src/main.rs:18:9
Nov 09 05:29:32.093 INFO kablam!    |
Nov 09 05:29:32.094 INFO kablam! 18 |     let mut num_block: usize = 8 * 2;
Nov 09 05:29:32.094 INFO kablam!    |         ----^^^^^^^^^
Nov 09 05:29:32.094 INFO kablam!    |         |
Nov 09 05:29:32.094 INFO kablam!    |         help: remove this `mut`
Nov 09 05:29:32.094 INFO kablam!    |
Nov 09 05:29:32.094 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 05:29:32.094 INFO kablam! 
Nov 09 05:29:32.094 INFO kablam! warning: variable does not need to be mutable
Nov 09 05:29:32.094 INFO kablam!   --> src/main.rs:19:9
Nov 09 05:29:32.094 INFO kablam!    |
Nov 09 05:29:32.094 INFO kablam! 19 |     let mut size_block: usize = 32;
Nov 09 05:29:32.094 INFO kablam!    |         ----^^^^^^^^^^
Nov 09 05:29:32.094 INFO kablam!    |         |
Nov 09 05:29:32.094 INFO kablam!    |         help: remove this `mut`
Nov 09 05:29:32.094 INFO kablam! 
Nov 09 05:29:32.135 INFO kablam! warning: unused import: `crypto::digest::Digest`
Nov 09 05:29:32.135 INFO kablam!   --> tests/test.rs:10:5
Nov 09 05:29:32.135 INFO kablam!    |
Nov 09 05:29:32.135 INFO kablam! 10 | use crypto::digest::Digest;
Nov 09 05:29:32.135 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:29:32.135 INFO kablam!    |
Nov 09 05:29:32.135 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 09 05:29:32.135 INFO kablam! 
Nov 09 05:29:32.135 INFO kablam! warning: unused import: `rand::Rng`
Nov 09 05:29:32.135 INFO kablam!   --> tests/test.rs:12:5
Nov 09 05:29:32.135 INFO kablam!    |
Nov 09 05:29:32.135 INFO kablam! 12 | use rand::Rng;
Nov 09 05:29:32.135 INFO kablam!    |     ^^^^^^^^^
Nov 09 05:29:32.135 INFO kablam! 
Nov 09 05:29:32.331 INFO kablam! warning: unused variable: `tree`
Nov 09 05:29:32.331 INFO kablam!   --> tests/test.rs:66:13
Nov 09 05:29:32.331 INFO kablam!    |
Nov 09 05:29:32.331 INFO kablam! 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 09 05:29:32.331 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Nov 09 05:29:32.331 INFO kablam!    |
Nov 09 05:29:32.331 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:29:32.331 INFO kablam! 
Nov 09 05:29:32.331 INFO kablam! warning: unused variable: `tree`
Nov 09 05:29:32.331 INFO kablam!   --> tests/test.rs:74:13
Nov 09 05:29:32.331 INFO kablam!    |
Nov 09 05:29:32.331 INFO kablam! 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 09 05:29:32.331 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Nov 09 05:29:32.331 INFO kablam! 
Nov 09 05:29:32.331 INFO kablam! warning: unused variable: `tree`
Nov 09 05:29:32.331 INFO kablam!   --> tests/test.rs:82:13
Nov 09 05:29:32.331 INFO kablam!    |
Nov 09 05:29:32.331 INFO kablam! 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 09 05:29:32.331 INFO kablam!    |             ^^^^ help: consider using `_tree` instead
Nov 09 05:29:32.331 INFO kablam! 
Nov 09 05:29:32.407 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
Nov 09 05:29:32.417 INFO kablam! su: No module specific data is present
Nov 09 05:29:33.311 INFO running `"docker" "rm" "-f" "e94d2da36e96e75a4fc03a430fc336553a462072805f6d5902d1c785cdfedb9c"`
Nov 09 05:29:33.628 INFO blam! e94d2da36e96e75a4fc03a430fc336553a462072805f6d5902d1c785cdfedb9c