Nov 29 14:56:21.960 INFO checking wjh/zif_log against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 14:56:21.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 14:56:22.372 INFO [stdout] e14eb7ab9b47083ddffcfa9635e5962897e7b42676b0b55d5f1910de3d052162
Nov 29 14:56:22.374 INFO running `"docker" "start" "-a" "e14eb7ab9b47083ddffcfa9635e5962897e7b42676b0b55d5f1910de3d052162"`
Nov 29 14:56:24.579 INFO [stderr] usermod: no changes
Nov 29 14:56:24.660 INFO [stderr]    Compiling scopeguard v0.3.3
Nov 29 14:56:24.666 INFO [stderr]     Checking constant_time_eq v0.1.3
Nov 29 14:56:24.666 INFO [stderr]     Checking bufstream v0.1.3
Nov 29 14:56:24.666 INFO [stderr]    Compiling num_cpus v1.7.0
Nov 29 14:56:24.666 INFO [stderr]    Compiling rand v0.3.19
Nov 29 14:56:24.680 INFO [stderr]     Checking arrayvec v0.4.6
Nov 29 14:56:25.352 INFO [stderr]    Compiling coco v0.1.1
Nov 29 14:56:27.560 INFO [stderr]     Checking blake2-rfc v0.2.18
Nov 29 14:56:28.681 INFO [stderr]    Compiling rayon-core v1.3.0
Nov 29 14:56:30.656 INFO [stderr]    Compiling rayon v0.8.2
Nov 29 14:56:33.732 INFO [stderr]    Compiling ring v0.12.1
Nov 29 14:56:40.504 INFO [stderr]     Checking zif_log v0.1.0 (/source)
Nov 29 14:56:40.904 INFO [stderr] warning: unused import: `OpenOptions`
Nov 29 14:56:40.904 INFO [stderr]  --> src/log.rs:2:21
Nov 29 14:56:40.904 INFO [stderr]   |
Nov 29 14:56:40.904 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Nov 29 14:56:40.904 INFO [stderr]   |                     ^^^^^^^^^^^
Nov 29 14:56:40.904 INFO [stderr]   |
Nov 29 14:56:40.904 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:56:40.904 INFO [stderr] 
Nov 29 14:56:40.925 INFO [stderr] warning: unused import: `OpenOptions`
Nov 29 14:56:40.925 INFO [stderr]  --> src/log.rs:2:21
Nov 29 14:56:40.925 INFO [stderr]   |
Nov 29 14:56:40.925 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Nov 29 14:56:40.925 INFO [stderr]   |                     ^^^^^^^^^^^
Nov 29 14:56:40.925 INFO [stderr]   |
Nov 29 14:56:40.925 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:56:40.925 INFO [stderr] 
Nov 29 14:56:41.312 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:56:41.312 INFO [stderr]   --> src/log.rs:84:31
Nov 29 14:56:41.312 INFO [stderr]    |
Nov 29 14:56:41.312 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Nov 29 14:56:41.312 INFO [stderr]    |                               ----^^^^^^^^
Nov 29 14:56:41.312 INFO [stderr]    |                               |
Nov 29 14:56:41.312 INFO [stderr]    |                               help: remove this `mut`
Nov 29 14:56:41.312 INFO [stderr]    |
Nov 29 14:56:41.312 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 14:56:41.312 INFO [stderr] 
Nov 29 14:56:41.340 INFO [stderr] warning: value assigned to `pos` is never read
Nov 29 14:56:41.341 INFO [stderr]   --> src/lib.rs:51:9
Nov 29 14:56:41.341 INFO [stderr]    |
Nov 29 14:56:41.341 INFO [stderr] 51 |         pos += 8;
Nov 29 14:56:41.341 INFO [stderr]    |         ^^^
Nov 29 14:56:41.342 INFO [stderr]    |
Nov 29 14:56:41.342 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 29 14:56:41.342 INFO [stderr] 
Nov 29 14:56:41.364 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:56:41.364 INFO [stderr]   --> src/lib.rs:22:13
Nov 29 14:56:41.365 INFO [stderr]    |
Nov 29 14:56:41.365 INFO [stderr] 22 |         let mut vec = Vec::with_capacity(1024);
Nov 29 14:56:41.365 INFO [stderr]    |             ----^^^
Nov 29 14:56:41.365 INFO [stderr]    |             |
Nov 29 14:56:41.366 INFO [stderr]    |             help: remove this `mut`
Nov 29 14:56:41.366 INFO [stderr]    |
Nov 29 14:56:41.366 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 14:56:41.366 INFO [stderr] 
Nov 29 14:56:41.368 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:56:41.368 INFO [stderr]   --> src/lib.rs:56:13
Nov 29 14:56:41.368 INFO [stderr]    |
Nov 29 14:56:41.369 INFO [stderr] 56 |         let mut vec = Vec::with_capacity(1024);
Nov 29 14:56:41.369 INFO [stderr]    |             ----^^^
Nov 29 14:56:41.369 INFO [stderr]    |             |
Nov 29 14:56:41.369 INFO [stderr]    |             help: remove this `mut`
Nov 29 14:56:41.370 INFO [stderr] 
Nov 29 14:56:41.370 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:56:41.370 INFO [stderr]   --> src/lib.rs:65:13
Nov 29 14:56:41.371 INFO [stderr]    |
Nov 29 14:56:41.371 INFO [stderr] 65 |         let mut vec = Vec::with_capacity(1024);
Nov 29 14:56:41.371 INFO [stderr]    |             ----^^^
Nov 29 14:56:41.371 INFO [stderr]    |             |
Nov 29 14:56:41.372 INFO [stderr]    |             help: remove this `mut`
Nov 29 14:56:41.372 INFO [stderr] 
Nov 29 14:56:41.372 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:56:41.373 INFO [stderr]   --> src/lib.rs:67:13
Nov 29 14:56:41.373 INFO [stderr]    |
Nov 29 14:56:41.373 INFO [stderr] 67 |         let mut log_read = Log::read(&mut log.internal, file).unwrap();
Nov 29 14:56:41.373 INFO [stderr]    |             ----^^^^^^^^
Nov 29 14:56:41.374 INFO [stderr]    |             |
Nov 29 14:56:41.374 INFO [stderr]    |             help: remove this `mut`
Nov 29 14:56:41.374 INFO [stderr] 
Nov 29 14:56:41.401 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:56:41.402 INFO [stderr]   --> src/log.rs:84:31
Nov 29 14:56:41.402 INFO [stderr]    |
Nov 29 14:56:41.402 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Nov 29 14:56:41.402 INFO [stderr]    |                               ----^^^^^^^^
Nov 29 14:56:41.403 INFO [stderr]    |                               |
Nov 29 14:56:41.403 INFO [stderr]    |                               help: remove this `mut`
Nov 29 14:56:41.403 INFO [stderr] 
Nov 29 14:56:41.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.86s
Nov 29 14:56:41.469 INFO [stderr] su: No module specific data is present
Nov 29 14:56:43.009 INFO running `"docker" "inspect" "e14eb7ab9b47083ddffcfa9635e5962897e7b42676b0b55d5f1910de3d052162"`
Nov 29 14:56:43.388 INFO running `"docker" "rm" "-f" "e14eb7ab9b47083ddffcfa9635e5962897e7b42676b0b55d5f1910de3d052162"`
Nov 29 14:56:43.760 INFO [stdout] e14eb7ab9b47083ddffcfa9635e5962897e7b42676b0b55d5f1910de3d052162