Nov 16 13:56:02.070 INFO testing sergorl/merkle_hash_tree against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 13:56:02.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 13:56:02.643 INFO [stdout] b19c349f0d4327cf58c5666cfa879be9a6fea8af3b44757ed1f020095b0d3261
Nov 16 13:56:02.645 INFO running `"docker" "start" "-a" "b19c349f0d4327cf58c5666cfa879be9a6fea8af3b44757ed1f020095b0d3261"`
Nov 16 13:56:03.563 INFO [stderr] usermod: no changes
Nov 16 13:56:03.651 INFO [stderr]    Compiling num_cpus v0.2.13
Nov 16 13:56:03.655 INFO [stderr]    Compiling rayon-core v1.3.0
Nov 16 13:56:03.655 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 16 13:56:06.223 INFO [stderr]    Compiling rayon v0.9.0
Nov 16 13:56:15.119 INFO [stderr]    Compiling merkle_hash_tree v0.1.0 (/source)
Nov 16 13:56:15.593 INFO [stderr] warning: unused variable: `num_thread`
Nov 16 13:56:15.593 INFO [stderr]    --> src/lib.rs:272:13
Nov 16 13:56:15.593 INFO [stderr]     |
Nov 16 13:56:15.593 INFO [stderr] 272 |         let num_thread: usize;
Nov 16 13:56:15.593 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Nov 16 13:56:15.593 INFO [stderr]     |
Nov 16 13:56:15.593 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 13:56:15.593 INFO [stderr] 
Nov 16 13:56:15.593 INFO [stderr] warning: unused variable: `num_cpus`
Nov 16 13:56:15.593 INFO [stderr]    --> src/lib.rs:255:78
Nov 16 13:56:15.593 INFO [stderr]     |
Nov 16 13:56:15.593 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Nov 16 13:56:15.593 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 16 13:56:15.593 INFO [stderr] 
Nov 16 13:56:15.593 INFO [stderr] warning: unused variable: `num_cpus`
Nov 16 13:56:15.593 INFO [stderr]    --> src/lib.rs:305:5
Nov 16 13:56:15.593 INFO [stderr]     |
Nov 16 13:56:15.593 INFO [stderr] 305 |     num_cpus: usize,
Nov 16 13:56:15.593 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 16 13:56:15.593 INFO [stderr] 
Nov 16 13:56:15.631 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:15.631 INFO [stderr]    --> src/lib.rs:158:9
Nov 16 13:56:15.631 INFO [stderr]     |
Nov 16 13:56:15.631 INFO [stderr] 158 |         write!(f, "{}\n", "Tree: ");
Nov 16 13:56:15.632 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:15.632 INFO [stderr]     |
Nov 16 13:56:15.632 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 13:56:15.632 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:15.632 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 16 13:56:15.632 INFO [stderr] 
Nov 16 13:56:15.632 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:15.632 INFO [stderr]    --> src/lib.rs:161:13
Nov 16 13:56:15.632 INFO [stderr]     |
Nov 16 13:56:15.632 INFO [stderr] 161 |             write!(f, "Level {}: \n", level);
Nov 16 13:56:15.632 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:15.632 INFO [stderr]     |
Nov 16 13:56:15.632 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:15.632 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 16 13:56:15.632 INFO [stderr] 
Nov 16 13:56:15.632 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:15.632 INFO [stderr]    --> src/lib.rs:164:17
Nov 16 13:56:15.632 INFO [stderr]     |
Nov 16 13:56:15.632 INFO [stderr] 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Nov 16 13:56:15.632 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:15.632 INFO [stderr]     |
Nov 16 13:56:15.632 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:15.633 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 16 13:56:15.633 INFO [stderr] 
Nov 16 13:56:15.633 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:15.633 INFO [stderr]    --> src/lib.rs:170:13
Nov 16 13:56:15.633 INFO [stderr]     |
Nov 16 13:56:15.633 INFO [stderr] 170 | /             write!(
Nov 16 13:56:15.633 INFO [stderr] 171 | |                 f,
Nov 16 13:56:15.633 INFO [stderr] 172 | |                 "{}\n",
Nov 16 13:56:15.633 INFO [stderr] 173 | |                 "--------------------------------------------------------------------"
Nov 16 13:56:15.633 INFO [stderr] 174 | |             );
Nov 16 13:56:15.633 INFO [stderr]     | |______________^
Nov 16 13:56:15.633 INFO [stderr]     |
Nov 16 13:56:15.633 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:15.633 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 16 13:56:15.633 INFO [stderr] 
Nov 16 13:56:17.031 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Nov 16 13:56:17.031 INFO [stderr]  --> src/main.rs:6:5
Nov 16 13:56:17.031 INFO [stderr]   |
Nov 16 13:56:17.031 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Nov 16 13:56:17.031 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:17.031 INFO [stderr]   |
Nov 16 13:56:17.031 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 13:56:17.031 INFO [stderr] 
Nov 16 13:56:17.055 INFO [stderr] warning: unused variable: `start`
Nov 16 13:56:17.055 INFO [stderr]   --> src/main.rs:23:9
Nov 16 13:56:17.055 INFO [stderr]    |
Nov 16 13:56:17.055 INFO [stderr] 23 |     let start = PreciseTime::now();
Nov 16 13:56:17.055 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Nov 16 13:56:17.055 INFO [stderr]    |
Nov 16 13:56:17.055 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 13:56:17.055 INFO [stderr] 
Nov 16 13:56:17.055 INFO [stderr] warning: unused variable: `end`
Nov 16 13:56:17.055 INFO [stderr]   --> src/main.rs:25:9
Nov 16 13:56:17.055 INFO [stderr]    |
Nov 16 13:56:17.055 INFO [stderr] 25 |     let end = PreciseTime::now();
Nov 16 13:56:17.055 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Nov 16 13:56:17.055 INFO [stderr] 
Nov 16 13:56:17.067 INFO [stderr] warning: variable does not need to be mutable
Nov 16 13:56:17.067 INFO [stderr]   --> src/main.rs:18:9
Nov 16 13:56:17.067 INFO [stderr]    |
Nov 16 13:56:17.067 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Nov 16 13:56:17.067 INFO [stderr]    |         ----^^^^^^^^^
Nov 16 13:56:17.067 INFO [stderr]    |         |
Nov 16 13:56:17.067 INFO [stderr]    |         help: remove this `mut`
Nov 16 13:56:17.067 INFO [stderr]    |
Nov 16 13:56:17.067 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 13:56:17.067 INFO [stderr] 
Nov 16 13:56:17.067 INFO [stderr] warning: variable does not need to be mutable
Nov 16 13:56:17.067 INFO [stderr]   --> src/main.rs:19:9
Nov 16 13:56:17.067 INFO [stderr]    |
Nov 16 13:56:17.067 INFO [stderr] 19 |     let mut size_block: usize = 32;
Nov 16 13:56:17.067 INFO [stderr]    |         ----^^^^^^^^^^
Nov 16 13:56:17.067 INFO [stderr]    |         |
Nov 16 13:56:17.067 INFO [stderr]    |         help: remove this `mut`
Nov 16 13:56:17.067 INFO [stderr] 
Nov 16 13:56:17.943 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.34s
Nov 16 13:56:17.943 INFO [stderr] su: No module specific data is present
Nov 16 13:56:18.982 INFO running `"docker" "inspect" "b19c349f0d4327cf58c5666cfa879be9a6fea8af3b44757ed1f020095b0d3261"`
Nov 16 13:56:19.343 INFO running `"docker" "rm" "-f" "b19c349f0d4327cf58c5666cfa879be9a6fea8af3b44757ed1f020095b0d3261"`
Nov 16 13:56:19.617 INFO [stdout] b19c349f0d4327cf58c5666cfa879be9a6fea8af3b44757ed1f020095b0d3261
Nov 16 13:56:19.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 13:56:20.116 INFO [stdout] a65542ebc6961fa8f913e84a3834ba78197f26752611d30741081a587a248446
Nov 16 13:56:20.118 INFO running `"docker" "start" "-a" "a65542ebc6961fa8f913e84a3834ba78197f26752611d30741081a587a248446"`
Nov 16 13:56:22.575 INFO [stderr] usermod: no changes
Nov 16 13:56:22.723 INFO [stderr]    Compiling merkle_hash_tree v0.1.0 (/source)
Nov 16 13:56:23.383 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Nov 16 13:56:23.383 INFO [stderr]  --> src/main.rs:6:5
Nov 16 13:56:23.383 INFO [stderr]   |
Nov 16 13:56:23.383 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Nov 16 13:56:23.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:23.384 INFO [stderr]   |
Nov 16 13:56:23.384 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 13:56:23.384 INFO [stderr] 
Nov 16 13:56:23.395 INFO [stderr] warning: unused import: `crypto::digest::Digest`
Nov 16 13:56:23.395 INFO [stderr]   --> tests/test.rs:10:5
Nov 16 13:56:23.395 INFO [stderr]    |
Nov 16 13:56:23.395 INFO [stderr] 10 | use crypto::digest::Digest;
Nov 16 13:56:23.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:23.395 INFO [stderr]    |
Nov 16 13:56:23.395 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 13:56:23.395 INFO [stderr] 
Nov 16 13:56:23.395 INFO [stderr] warning: unused import: `rand::Rng`
Nov 16 13:56:23.395 INFO [stderr]   --> tests/test.rs:12:5
Nov 16 13:56:23.395 INFO [stderr]    |
Nov 16 13:56:23.395 INFO [stderr] 12 | use rand::Rng;
Nov 16 13:56:23.395 INFO [stderr]    |     ^^^^^^^^^
Nov 16 13:56:23.395 INFO [stderr] 
Nov 16 13:56:23.435 INFO [stderr] warning: unused variable: `start`
Nov 16 13:56:23.435 INFO [stderr]   --> src/main.rs:23:9
Nov 16 13:56:23.436 INFO [stderr]    |
Nov 16 13:56:23.436 INFO [stderr] 23 |     let start = PreciseTime::now();
Nov 16 13:56:23.436 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Nov 16 13:56:23.436 INFO [stderr]    |
Nov 16 13:56:23.436 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 13:56:23.436 INFO [stderr] 
Nov 16 13:56:23.436 INFO [stderr] warning: unused variable: `end`
Nov 16 13:56:23.436 INFO [stderr]   --> src/main.rs:25:9
Nov 16 13:56:23.436 INFO [stderr]    |
Nov 16 13:56:23.436 INFO [stderr] 25 |     let end = PreciseTime::now();
Nov 16 13:56:23.436 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Nov 16 13:56:23.439 INFO [stderr] 
Nov 16 13:56:23.451 INFO [stderr] warning: variable does not need to be mutable
Nov 16 13:56:23.451 INFO [stderr]   --> src/main.rs:18:9
Nov 16 13:56:23.452 INFO [stderr]    |
Nov 16 13:56:23.452 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Nov 16 13:56:23.452 INFO [stderr]    |         ----^^^^^^^^^
Nov 16 13:56:23.452 INFO [stderr]    |         |
Nov 16 13:56:23.452 INFO [stderr]    |         help: remove this `mut`
Nov 16 13:56:23.455 INFO [stderr]    |
Nov 16 13:56:23.455 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 13:56:23.455 INFO [stderr] 
Nov 16 13:56:23.455 INFO [stderr] warning: variable does not need to be mutable
Nov 16 13:56:23.455 INFO [stderr]   --> src/main.rs:19:9
Nov 16 13:56:23.455 INFO [stderr]    |
Nov 16 13:56:23.455 INFO [stderr] 19 |     let mut size_block: usize = 32;
Nov 16 13:56:23.455 INFO [stderr]    |         ----^^^^^^^^^^
Nov 16 13:56:23.455 INFO [stderr]    |         |
Nov 16 13:56:23.455 INFO [stderr]    |         help: remove this `mut`
Nov 16 13:56:23.455 INFO [stderr] 
Nov 16 13:56:23.823 INFO [stderr] warning: unused variable: `num_thread`
Nov 16 13:56:23.823 INFO [stderr]    --> src/lib.rs:272:13
Nov 16 13:56:23.823 INFO [stderr]     |
Nov 16 13:56:23.823 INFO [stderr] 272 |         let num_thread: usize;
Nov 16 13:56:23.824 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Nov 16 13:56:23.824 INFO [stderr]     |
Nov 16 13:56:23.824 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 13:56:23.824 INFO [stderr] 
Nov 16 13:56:23.824 INFO [stderr] warning: unused variable: `num_cpus`
Nov 16 13:56:23.824 INFO [stderr]    --> src/lib.rs:255:78
Nov 16 13:56:23.824 INFO [stderr]     |
Nov 16 13:56:23.824 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Nov 16 13:56:23.824 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 16 13:56:23.824 INFO [stderr] 
Nov 16 13:56:23.824 INFO [stderr] warning: unused variable: `num_cpus`
Nov 16 13:56:23.824 INFO [stderr]    --> src/lib.rs:305:5
Nov 16 13:56:23.824 INFO [stderr]     |
Nov 16 13:56:23.824 INFO [stderr] 305 |     num_cpus: usize,
Nov 16 13:56:23.824 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Nov 16 13:56:23.824 INFO [stderr] 
Nov 16 13:56:23.910 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:23.910 INFO [stderr]    --> src/lib.rs:158:9
Nov 16 13:56:23.910 INFO [stderr]     |
Nov 16 13:56:23.911 INFO [stderr] 158 |         write!(f, "{}\n", "Tree: ");
Nov 16 13:56:23.911 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:23.911 INFO [stderr]     |
Nov 16 13:56:23.911 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 13:56:23.911 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:23.911 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 16 13:56:23.911 INFO [stderr] 
Nov 16 13:56:23.911 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:23.912 INFO [stderr]    --> src/lib.rs:161:13
Nov 16 13:56:23.912 INFO [stderr]     |
Nov 16 13:56:23.912 INFO [stderr] 161 |             write!(f, "Level {}: \n", level);
Nov 16 13:56:23.912 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:23.912 INFO [stderr]     |
Nov 16 13:56:23.912 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:23.912 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 16 13:56:23.912 INFO [stderr] 
Nov 16 13:56:23.912 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:23.913 INFO [stderr]    --> src/lib.rs:164:17
Nov 16 13:56:23.913 INFO [stderr]     |
Nov 16 13:56:23.913 INFO [stderr] 164 |                 write!(f, "hash {}: {}\n", index, to_hex_string(hash));
Nov 16 13:56:23.913 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 13:56:23.913 INFO [stderr]     |
Nov 16 13:56:23.913 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:23.913 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 16 13:56:23.913 INFO [stderr] 
Nov 16 13:56:23.913 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:56:23.913 INFO [stderr]    --> src/lib.rs:170:13
Nov 16 13:56:23.913 INFO [stderr]     |
Nov 16 13:56:23.913 INFO [stderr] 170 | /             write!(
Nov 16 13:56:23.913 INFO [stderr] 171 | |                 f,
Nov 16 13:56:23.913 INFO [stderr] 172 | |                 "{}\n",
Nov 16 13:56:23.913 INFO [stderr] 173 | |                 "--------------------------------------------------------------------"
Nov 16 13:56:23.913 INFO [stderr] 174 | |             );
Nov 16 13:56:23.913 INFO [stderr]     | |______________^
Nov 16 13:56:23.913 INFO [stderr]     |
Nov 16 13:56:23.913 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:56:23.913 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 16 13:56:23.913 INFO [stderr] 
Nov 16 13:56:23.929 INFO [stderr] warning: unused variable: `tree`
Nov 16 13:56:23.929 INFO [stderr]   --> tests/test.rs:66:13
Nov 16 13:56:23.929 INFO [stderr]    |
Nov 16 13:56:23.929 INFO [stderr] 66 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 16 13:56:23.929 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Nov 16 13:56:23.929 INFO [stderr]    |
Nov 16 13:56:23.930 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 13:56:23.930 INFO [stderr] 
Nov 16 13:56:23.930 INFO [stderr] warning: unused variable: `tree`
Nov 16 13:56:23.930 INFO [stderr]   --> tests/test.rs:74:13
Nov 16 13:56:23.930 INFO [stderr]    |
Nov 16 13:56:23.930 INFO [stderr] 74 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 16 13:56:23.930 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Nov 16 13:56:23.930 INFO [stderr] 
Nov 16 13:56:23.930 INFO [stderr] warning: unused variable: `tree`
Nov 16 13:56:23.930 INFO [stderr]   --> tests/test.rs:82:13
Nov 16 13:56:23.930 INFO [stderr]    |
Nov 16 13:56:23.930 INFO [stderr] 82 |         let tree = MerkleTree::new(&data, num_cpus::get());
Nov 16 13:56:23.930 INFO [stderr]    |             ^^^^ help: consider using `_tree` instead
Nov 16 13:56:23.930 INFO [stderr] 
Nov 16 13:56:25.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Nov 16 13:56:25.337 INFO [stderr] su: No module specific data is present
Nov 16 13:56:26.357 INFO running `"docker" "inspect" "a65542ebc6961fa8f913e84a3834ba78197f26752611d30741081a587a248446"`
Nov 16 13:56:26.627 INFO running `"docker" "rm" "-f" "a65542ebc6961fa8f913e84a3834ba78197f26752611d30741081a587a248446"`
Nov 16 13:56:26.975 INFO [stdout] a65542ebc6961fa8f913e84a3834ba78197f26752611d30741081a587a248446
Nov 16 13:56:26.984 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 13:56:27.392 INFO [stdout] 27661e6ed5bd94d7b9e1fce5171757355517471aa36debc5d34b454f65369a43
Nov 16 13:56:27.403 INFO running `"docker" "start" "-a" "27661e6ed5bd94d7b9e1fce5171757355517471aa36debc5d34b454f65369a43"`
Nov 16 13:56:28.650 INFO [stderr] usermod: no changes
Nov 16 13:56:28.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Nov 16 13:56:28.799 INFO [stderr]      Running /target/debug/deps/merkle_tree-5823efe0761bf286
Nov 16 13:56:28.801 INFO [stdout] 
Nov 16 13:56:28.801 INFO [stdout] running 0 tests
Nov 16 13:56:28.802 INFO [stdout] 
Nov 16 13:56:28.802 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 13:56:28.802 INFO [stdout] 
Nov 16 13:56:28.803 INFO [stderr]      Running /target/debug/deps/merkle_hash_tree-a3cd493e425d0c8c
Nov 16 13:56:28.813 INFO [stdout] 
Nov 16 13:56:28.813 INFO [stdout] running 0 tests
Nov 16 13:56:28.813 INFO [stdout] 
Nov 16 13:56:28.814 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 13:56:28.814 INFO [stdout] 
Nov 16 13:56:28.814 INFO [stderr]      Running /target/debug/deps/test-d6d9aad8590da03b
Nov 16 13:56:28.823 INFO [stdout] 
Nov 16 13:56:28.823 INFO [stdout] running 16 tests
Nov 16 13:56:28.851 INFO [stdout] test crypto_test::sha256_with_min_size_input ... ok
Nov 16 13:56:28.987 INFO [stdout] test merkle_test::get_child ... ok
Nov 16 13:56:29.075 INFO [stdout] test merkle_test::create_with_one_wrong_length_data_block_2 ... ok
Nov 16 13:56:29.075 INFO [stdout] test merkle_test::get_child_with_wrong_index ... ok
Nov 16 13:56:29.075 INFO [stdout] test merkle_test::get_child_with_wrong_level_greater ... ok
Nov 16 13:56:29.075 INFO [stdout] test merkle_test::get_child_with_wrong_level_less ... ok
Nov 16 13:56:29.075 INFO [stdout] test merkle_test::create_with_one_wrong_length_data_block_1 ... ok
Nov 16 13:56:29.091 INFO [stdout] test merkle_test::create_with_empty ... ok
Nov 16 13:56:29.091 INFO [stdout] test crypto_test::sha256_with_wrong_size_input ... ok
Nov 16 13:56:29.223 INFO [stdout] test merkle_test::get_hash_with_wrong_level ... ok
Nov 16 13:56:29.224 INFO [stdout] test merkle_test::get_hash_with_wrong_index ... ok
Nov 16 13:56:29.233 INFO [stdout] test merkle_test::get_parent_with_wrong_level ... ok
Nov 16 13:56:29.247 INFO [stdout] test merkle_test::get_parent_with_wrong_index ... ok
Nov 16 13:56:29.267 INFO [stdout] test merkle_test::get_wrong_level ... ok
Nov 16 13:56:29.311 INFO [stdout] test merkle_test::get_parent ... ok
Nov 16 13:56:37.292 INFO [stdout] test merkle_test::equal_test_one_core_vs_few_cores ... ok
Nov 16 13:56:37.292 INFO [stdout] 
Nov 16 13:56:37.293 INFO [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 13:56:37.293 INFO [stdout] 
Nov 16 13:56:37.297 INFO [stderr]    Doc-tests merkle_tree
Nov 16 13:56:37.719 INFO [stdout] 
Nov 16 13:56:37.719 INFO [stdout] running 1 test
Nov 16 13:56:37.719 INFO [stdout] test src/lib.rs -  (line 16) ... ignored
Nov 16 13:56:37.719 INFO [stdout] 
Nov 16 13:56:37.719 INFO [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
Nov 16 13:56:37.719 INFO [stdout] 
Nov 16 13:56:37.737 INFO [stderr] su: No module specific data is present
Nov 16 13:56:38.313 INFO running `"docker" "inspect" "27661e6ed5bd94d7b9e1fce5171757355517471aa36debc5d34b454f65369a43"`
Nov 16 13:56:38.551 INFO running `"docker" "rm" "-f" "27661e6ed5bd94d7b9e1fce5171757355517471aa36debc5d34b454f65369a43"`
Nov 16 13:56:38.847 INFO [stdout] 27661e6ed5bd94d7b9e1fce5171757355517471aa36debc5d34b454f65369a43