Dec 01 02:52:07.865 INFO testing sergorl/merkle_hash_tree against 1.30.1 for beta-1.31-5
Dec 01 02:52:07.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 02:52:08.408 INFO [stdout] b26adeda2e0b90c56aac6d3fa60b264dc8764dfec00dfa55c707b22ac2998c7c
Dec 01 02:52:08.410 INFO running `"docker" "start" "-a" "b26adeda2e0b90c56aac6d3fa60b264dc8764dfec00dfa55c707b22ac2998c7c"`
Dec 01 02:52:09.590 INFO [stderr] usermod: no changes
Dec 01 02:52:09.684 INFO [stderr]    Compiling num_cpus v0.2.13
Dec 01 02:52:09.687 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 01 02:52:09.687 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 01 02:52:12.135 INFO [stderr]    Compiling rayon v0.9.0
Dec 01 02:52:20.933 INFO [stderr]    Compiling merkle_hash_tree v0.1.0 (/source)
Dec 01 02:52:21.515 INFO [stderr] warning: unused variable: `num_thread`
Dec 01 02:52:21.515 INFO [stderr]    --> src/lib.rs:272:13
Dec 01 02:52:21.515 INFO [stderr]     |
Dec 01 02:52:21.515 INFO [stderr] 272 |         let num_thread: usize;
Dec 01 02:52:21.515 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Dec 01 02:52:21.515 INFO [stderr]     |
Dec 01 02:52:21.515 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 02:52:21.515 INFO [stderr] 
Dec 01 02:52:21.515 INFO [stderr] warning: unused variable: `num_cpus`
Dec 01 02:52:21.515 INFO [stderr]    --> src/lib.rs:255:78
Dec 01 02:52:21.515 INFO [stderr]     |
Dec 01 02:52:21.515 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Dec 01 02:52:21.515 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 01 02:52:21.515 INFO [stderr] 
Dec 01 02:52:21.515 INFO [stderr] warning: unused variable: `num_cpus`
Dec 01 02:52:21.515 INFO [stderr]    --> src/lib.rs:305:5
Dec 01 02:52:21.515 INFO [stderr]     |
Dec 01 02:52:21.515 INFO [stderr] 305 |     num_cpus: usize,
Dec 01 02:52:21.515 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 01 02:52:21.515 INFO [stderr] 
Dec 01 02:52:22.955 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Dec 01 02:52:22.955 INFO [stderr]  --> src/main.rs:6:5
Dec 01 02:52:22.955 INFO [stderr]   |
Dec 01 02:52:22.955 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Dec 01 02:52:22.955 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:52:22.955 INFO [stderr]   |
Dec 01 02:52:22.955 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 02:52:22.955 INFO [stderr] 
Dec 01 02:52:22.975 INFO [stderr] warning: unused variable: `start`
Dec 01 02:52:22.975 INFO [stderr]   --> src/main.rs:23:9
Dec 01 02:52:22.975 INFO [stderr]    |
Dec 01 02:52:22.975 INFO [stderr] 23 |     let start = PreciseTime::now();
Dec 01 02:52:22.975 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Dec 01 02:52:22.975 INFO [stderr]    |
Dec 01 02:52:22.975 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 02:52:22.975 INFO [stderr] 
Dec 01 02:52:22.975 INFO [stderr] warning: unused variable: `end`
Dec 01 02:52:22.975 INFO [stderr]   --> src/main.rs:25:9
Dec 01 02:52:22.975 INFO [stderr]    |
Dec 01 02:52:22.975 INFO [stderr] 25 |     let end = PreciseTime::now();
Dec 01 02:52:22.975 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Dec 01 02:52:22.975 INFO [stderr] 
Dec 01 02:52:22.983 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:52:22.983 INFO [stderr]   --> src/main.rs:18:9
Dec 01 02:52:22.983 INFO [stderr]    |
Dec 01 02:52:22.983 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Dec 01 02:52:22.983 INFO [stderr]    |         ----^^^^^^^^^
Dec 01 02:52:22.983 INFO [stderr]    |         |
Dec 01 02:52:22.983 INFO [stderr]    |         help: remove this `mut`
Dec 01 02:52:22.983 INFO [stderr]    |
Dec 01 02:52:22.983 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 02:52:22.983 INFO [stderr] 
Dec 01 02:52:22.983 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:52:22.983 INFO [stderr]   --> src/main.rs:19:9
Dec 01 02:52:22.983 INFO [stderr]    |
Dec 01 02:52:22.983 INFO [stderr] 19 |     let mut size_block: usize = 32;
Dec 01 02:52:22.983 INFO [stderr]    |         ----^^^^^^^^^^
Dec 01 02:52:22.983 INFO [stderr]    |         |
Dec 01 02:52:22.983 INFO [stderr]    |         help: remove this `mut`
Dec 01 02:52:22.983 INFO [stderr] 
Dec 01 02:52:23.982 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.35s
Dec 01 02:52:23.986 INFO [stderr] su: No module specific data is present
Dec 01 02:52:24.969 INFO running `"docker" "inspect" "b26adeda2e0b90c56aac6d3fa60b264dc8764dfec00dfa55c707b22ac2998c7c"`
Dec 01 02:52:25.381 INFO running `"docker" "rm" "-f" "b26adeda2e0b90c56aac6d3fa60b264dc8764dfec00dfa55c707b22ac2998c7c"`
Dec 01 02:52:25.710 INFO [stdout] b26adeda2e0b90c56aac6d3fa60b264dc8764dfec00dfa55c707b22ac2998c7c
Dec 01 02:52:25.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 02:52:26.171 INFO [stdout] 071a5558b6d2315b167f739ef66bd03ad7fe4049a2a115f28fcaf5a78f02d2e6
Dec 01 02:52:26.173 INFO running `"docker" "start" "-a" "071a5558b6d2315b167f739ef66bd03ad7fe4049a2a115f28fcaf5a78f02d2e6"`
Dec 01 02:52:27.608 INFO [stderr] usermod: no changes
Dec 01 02:52:27.709 INFO [stderr]    Compiling merkle_hash_tree v0.1.0 (/source)
Dec 01 02:52:28.447 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 02:52:28.447 INFO [stderr]  --> tests/test.rs:2:1
Dec 01 02:52:28.447 INFO [stderr]   |
Dec 01 02:52:28.447 INFO [stderr] 2 | #![feature(test)]
Dec 01 02:52:28.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 01 02:52:28.447 INFO [stderr] 
Dec 01 02:52:28.447 INFO [stderr] error: aborting due to previous error
Dec 01 02:52:28.447 INFO [stderr] 
Dec 01 02:52:28.447 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 02:52:28.451 INFO [stderr] error: Could not compile `merkle_hash_tree`.
Dec 01 02:52:28.451 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 02:52:28.531 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string`
Dec 01 02:52:28.531 INFO [stderr]  --> src/main.rs:6:5
Dec 01 02:52:28.531 INFO [stderr]   |
Dec 01 02:52:28.531 INFO [stderr] 6 | use merkle_tree::to_hex_string;
Dec 01 02:52:28.531 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:52:28.531 INFO [stderr]   |
Dec 01 02:52:28.531 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 02:52:28.531 INFO [stderr] 
Dec 01 02:52:28.567 INFO [stderr] warning: unused variable: `start`
Dec 01 02:52:28.567 INFO [stderr]   --> src/main.rs:23:9
Dec 01 02:52:28.567 INFO [stderr]    |
Dec 01 02:52:28.567 INFO [stderr] 23 |     let start = PreciseTime::now();
Dec 01 02:52:28.567 INFO [stderr]    |         ^^^^^ help: consider using `_start` instead
Dec 01 02:52:28.567 INFO [stderr]    |
Dec 01 02:52:28.567 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 02:52:28.567 INFO [stderr] 
Dec 01 02:52:28.567 INFO [stderr] warning: unused variable: `end`
Dec 01 02:52:28.567 INFO [stderr]   --> src/main.rs:25:9
Dec 01 02:52:28.567 INFO [stderr]    |
Dec 01 02:52:28.567 INFO [stderr] 25 |     let end = PreciseTime::now();
Dec 01 02:52:28.568 INFO [stderr]    |         ^^^ help: consider using `_end` instead
Dec 01 02:52:28.568 INFO [stderr] 
Dec 01 02:52:28.571 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:52:28.571 INFO [stderr]   --> src/main.rs:18:9
Dec 01 02:52:28.571 INFO [stderr]    |
Dec 01 02:52:28.571 INFO [stderr] 18 |     let mut num_block: usize = 8 * 2;
Dec 01 02:52:28.571 INFO [stderr]    |         ----^^^^^^^^^
Dec 01 02:52:28.571 INFO [stderr]    |         |
Dec 01 02:52:28.571 INFO [stderr]    |         help: remove this `mut`
Dec 01 02:52:28.571 INFO [stderr]    |
Dec 01 02:52:28.571 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 02:52:28.571 INFO [stderr] 
Dec 01 02:52:28.574 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:52:28.574 INFO [stderr]   --> src/main.rs:19:9
Dec 01 02:52:28.574 INFO [stderr]    |
Dec 01 02:52:28.574 INFO [stderr] 19 |     let mut size_block: usize = 32;
Dec 01 02:52:28.574 INFO [stderr]    |         ----^^^^^^^^^^
Dec 01 02:52:28.574 INFO [stderr]    |         |
Dec 01 02:52:28.575 INFO [stderr]    |         help: remove this `mut`
Dec 01 02:52:28.575 INFO [stderr] 
Dec 01 02:52:28.927 INFO [stderr] warning: unused variable: `num_thread`
Dec 01 02:52:28.927 INFO [stderr]    --> src/lib.rs:272:13
Dec 01 02:52:28.927 INFO [stderr]     |
Dec 01 02:52:28.927 INFO [stderr] 272 |         let num_thread: usize;
Dec 01 02:52:28.927 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_num_thread` instead
Dec 01 02:52:28.927 INFO [stderr]     |
Dec 01 02:52:28.927 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 02:52:28.927 INFO [stderr] 
Dec 01 02:52:28.927 INFO [stderr] warning: unused variable: `num_cpus`
Dec 01 02:52:28.927 INFO [stderr]    --> src/lib.rs:255:78
Dec 01 02:52:28.927 INFO [stderr]     |
Dec 01 02:52:28.927 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec<Vec<u8>>, pool: &rayon::ThreadPool, num_cpus: usize) {
Dec 01 02:52:28.927 INFO [stderr]     |                                                                              ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 01 02:52:28.927 INFO [stderr] 
Dec 01 02:52:28.927 INFO [stderr] warning: unused variable: `num_cpus`
Dec 01 02:52:28.927 INFO [stderr]    --> src/lib.rs:305:5
Dec 01 02:52:28.927 INFO [stderr]     |
Dec 01 02:52:28.928 INFO [stderr] 305 |     num_cpus: usize,
Dec 01 02:52:28.928 INFO [stderr]     |     ^^^^^^^^ help: consider using `_num_cpus` instead
Dec 01 02:52:28.928 INFO [stderr] 
Dec 01 02:52:29.731 INFO [stderr] error: build failed
Dec 01 02:52:29.732 INFO [stderr] su: No module specific data is present
Dec 01 02:52:30.438 INFO running `"docker" "inspect" "071a5558b6d2315b167f739ef66bd03ad7fe4049a2a115f28fcaf5a78f02d2e6"`
Dec 01 02:52:30.739 INFO running `"docker" "rm" "-f" "071a5558b6d2315b167f739ef66bd03ad7fe4049a2a115f28fcaf5a78f02d2e6"`
Dec 01 02:52:31.030 INFO [stdout] 071a5558b6d2315b167f739ef66bd03ad7fe4049a2a115f28fcaf5a78f02d2e6
