Dec 04 07:01:40.124 INFO checking wjh/zif_log against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:01:40.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 07:01:40.523 INFO [stdout] bb74895ac32d91cf1ce66fe552cbb78634afcdc77cfa739ee12f145b405885cc
Dec 04 07:01:40.529 INFO running `"docker" "start" "-a" "bb74895ac32d91cf1ce66fe552cbb78634afcdc77cfa739ee12f145b405885cc"`
Dec 04 07:01:41.715 INFO [stderr] usermod: no changes
Dec 04 07:01:41.851 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 04 07:01:41.851 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 04 07:01:41.851 INFO [stderr]    Compiling libc v0.2.34
Dec 04 07:01:41.851 INFO [stderr]    Compiling either v1.4.0
Dec 04 07:01:41.851 INFO [stderr]     Checking bufstream v0.1.3
Dec 04 07:01:41.851 INFO [stderr]     Checking arrayvec v0.4.6
Dec 04 07:01:43.203 INFO [stderr]    Compiling coco v0.1.1
Dec 04 07:01:43.695 INFO [stderr]     Checking blake2-rfc v0.2.18
Dec 04 07:01:45.876 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 04 07:01:45.876 INFO [stderr]    Compiling rand v0.3.19
Dec 04 07:01:50.228 INFO [stderr]    Compiling rayon v0.8.2
Dec 04 07:01:53.078 INFO [stderr]    Compiling ring v0.12.1
Dec 04 07:02:00.828 INFO [stderr]     Checking zif_log v0.1.0 (/source)
Dec 04 07:02:01.007 INFO [stderr] warning: unused import: `OpenOptions`
Dec 04 07:02:01.007 INFO [stderr]  --> src/log.rs:2:21
Dec 04 07:02:01.007 INFO [stderr]   |
Dec 04 07:02:01.007 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 04 07:02:01.007 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 04 07:02:01.007 INFO [stderr]   |
Dec 04 07:02:01.007 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 07:02:01.007 INFO [stderr] 
Dec 04 07:02:01.075 INFO [stderr] warning: unused import: `OpenOptions`
Dec 04 07:02:01.075 INFO [stderr]  --> src/log.rs:2:21
Dec 04 07:02:01.075 INFO [stderr]   |
Dec 04 07:02:01.075 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 04 07:02:01.075 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 04 07:02:01.075 INFO [stderr]   |
Dec 04 07:02:01.075 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 07:02:01.075 INFO [stderr] 
Dec 04 07:02:01.199 INFO [stderr] warning: variable does not need to be mutable
Dec 04 07:02:01.199 INFO [stderr]   --> src/log.rs:84:31
Dec 04 07:02:01.199 INFO [stderr]    |
Dec 04 07:02:01.199 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 04 07:02:01.199 INFO [stderr]    |                               ----^^^^^^^^
Dec 04 07:02:01.199 INFO [stderr]    |                               |
Dec 04 07:02:01.199 INFO [stderr]    |                               help: remove this `mut`
Dec 04 07:02:01.199 INFO [stderr]    |
Dec 04 07:02:01.199 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 07:02:01.199 INFO [stderr] 
Dec 04 07:02:01.263 INFO [stderr] warning: value assigned to `pos` is never read
Dec 04 07:02:01.263 INFO [stderr]   --> src/lib.rs:51:9
Dec 04 07:02:01.263 INFO [stderr]    |
Dec 04 07:02:01.263 INFO [stderr] 51 |         pos += 8;
Dec 04 07:02:01.263 INFO [stderr]    |         ^^^
Dec 04 07:02:01.263 INFO [stderr]    |
Dec 04 07:02:01.263 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 07:02:01.263 INFO [stderr] 
Dec 04 07:02:01.271 INFO [stderr] warning: variable does not need to be mutable
Dec 04 07:02:01.271 INFO [stderr]   --> src/lib.rs:22:13
Dec 04 07:02:01.271 INFO [stderr]    |
Dec 04 07:02:01.271 INFO [stderr] 22 |         let mut vec = Vec::with_capacity(1024);
Dec 04 07:02:01.271 INFO [stderr]    |             ----^^^
Dec 04 07:02:01.271 INFO [stderr]    |             |
Dec 04 07:02:01.271 INFO [stderr]    |             help: remove this `mut`
Dec 04 07:02:01.271 INFO [stderr]    |
Dec 04 07:02:01.271 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 07:02:01.271 INFO [stderr] 
Dec 04 07:02:01.275 INFO [stderr] warning: variable does not need to be mutable
Dec 04 07:02:01.275 INFO [stderr]   --> src/lib.rs:56:13
Dec 04 07:02:01.275 INFO [stderr]    |
Dec 04 07:02:01.275 INFO [stderr] 56 |         let mut vec = Vec::with_capacity(1024);
Dec 04 07:02:01.275 INFO [stderr]    |             ----^^^
Dec 04 07:02:01.275 INFO [stderr]    |             |
Dec 04 07:02:01.275 INFO [stderr]    |             help: remove this `mut`
Dec 04 07:02:01.275 INFO [stderr] 
Dec 04 07:02:01.275 INFO [stderr] warning: variable does not need to be mutable
Dec 04 07:02:01.275 INFO [stderr]   --> src/lib.rs:65:13
Dec 04 07:02:01.275 INFO [stderr]    |
Dec 04 07:02:01.275 INFO [stderr] 65 |         let mut vec = Vec::with_capacity(1024);
Dec 04 07:02:01.275 INFO [stderr]    |             ----^^^
Dec 04 07:02:01.275 INFO [stderr]    |             |
Dec 04 07:02:01.275 INFO [stderr]    |             help: remove this `mut`
Dec 04 07:02:01.275 INFO [stderr] 
Dec 04 07:02:01.275 INFO [stderr] warning: variable does not need to be mutable
Dec 04 07:02:01.275 INFO [stderr]   --> src/lib.rs:67:13
Dec 04 07:02:01.275 INFO [stderr]    |
Dec 04 07:02:01.275 INFO [stderr] 67 |         let mut log_read = Log::read(&mut log.internal, file).unwrap();
Dec 04 07:02:01.275 INFO [stderr]    |             ----^^^^^^^^
Dec 04 07:02:01.275 INFO [stderr]    |             |
Dec 04 07:02:01.275 INFO [stderr]    |             help: remove this `mut`
Dec 04 07:02:01.275 INFO [stderr] 
Dec 04 07:02:01.303 INFO [stderr] warning: variable does not need to be mutable
Dec 04 07:02:01.303 INFO [stderr]   --> src/log.rs:84:31
Dec 04 07:02:01.303 INFO [stderr]    |
Dec 04 07:02:01.303 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 04 07:02:01.303 INFO [stderr]    |                               ----^^^^^^^^
Dec 04 07:02:01.303 INFO [stderr]    |                               |
Dec 04 07:02:01.303 INFO [stderr]    |                               help: remove this `mut`
Dec 04 07:02:01.303 INFO [stderr] 
Dec 04 07:02:01.371 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.62s
Dec 04 07:02:01.379 INFO [stderr] su: No module specific data is present
Dec 04 07:02:02.403 INFO running `"docker" "inspect" "bb74895ac32d91cf1ce66fe552cbb78634afcdc77cfa739ee12f145b405885cc"`
Dec 04 07:02:02.727 INFO running `"docker" "rm" "-f" "bb74895ac32d91cf1ce66fe552cbb78634afcdc77cfa739ee12f145b405885cc"`
Dec 04 07:02:03.112 INFO [stdout] bb74895ac32d91cf1ce66fe552cbb78634afcdc77cfa739ee12f145b405885cc