Dec 17 11:54:31.789 INFO checking wjh/zif_log against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 11:54:31.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/wjh/zif_log:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:54:32.296 INFO [stdout] e168dec5436997e7d596bf38b70425688eef8280295723852ddd180571a19139
Dec 17 11:54:32.304 INFO running `"docker" "start" "-a" "e168dec5436997e7d596bf38b70425688eef8280295723852ddd180571a19139"`
Dec 17 11:54:34.092 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 17 11:54:34.092 INFO [stderr]    Compiling either v1.4.0
Dec 17 11:54:34.092 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 17 11:54:34.092 INFO [stderr]    Compiling libc v0.2.34
Dec 17 11:54:34.112 INFO [stderr]    Compiling lazy_static v0.2.11
Dec 17 11:54:34.128 INFO [stderr]     Checking bufstream v0.1.3
Dec 17 11:54:34.128 INFO [stderr]     Checking arrayvec v0.4.6
Dec 17 11:54:35.532 INFO [stderr]    Compiling coco v0.1.1
Dec 17 11:54:36.212 INFO [stderr]     Checking blake2-rfc v0.2.18
Dec 17 11:54:36.828 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 17 11:54:36.828 INFO [stderr]    Compiling rand v0.3.19
Dec 17 11:54:41.414 INFO [stderr]    Compiling rayon v0.8.2
Dec 17 11:54:44.080 INFO [stderr]    Compiling ring v0.12.1
Dec 17 11:54:51.260 INFO [stderr]     Checking zif_log v0.1.0 (/opt/crater/workdir)
Dec 17 11:54:51.375 INFO [stderr] warning: unused import: `OpenOptions`
Dec 17 11:54:51.375 INFO [stderr]  --> src/log.rs:2:21
Dec 17 11:54:51.375 INFO [stderr]   |
Dec 17 11:54:51.375 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 17 11:54:51.375 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 17 11:54:51.375 INFO [stderr]   |
Dec 17 11:54:51.375 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:54:51.375 INFO [stderr] 
Dec 17 11:54:51.501 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:54:51.501 INFO [stderr]   --> src/log.rs:84:31
Dec 17 11:54:51.501 INFO [stderr]    |
Dec 17 11:54:51.501 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 17 11:54:51.501 INFO [stderr]    |                               ----^^^^^^^^
Dec 17 11:54:51.501 INFO [stderr]    |                               |
Dec 17 11:54:51.501 INFO [stderr]    |                               help: remove this `mut`
Dec 17 11:54:51.501 INFO [stderr]    |
Dec 17 11:54:51.501 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 11:54:51.501 INFO [stderr] 
Dec 17 11:54:51.536 INFO [stderr] warning: unused import: `OpenOptions`
Dec 17 11:54:51.536 INFO [stderr]  --> src/log.rs:2:21
Dec 17 11:54:51.536 INFO [stderr]   |
Dec 17 11:54:51.536 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 17 11:54:51.536 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 17 11:54:51.536 INFO [stderr]   |
Dec 17 11:54:51.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:54:51.536 INFO [stderr] 
Dec 17 11:54:51.772 INFO [stderr] warning: value assigned to `pos` is never read
Dec 17 11:54:51.772 INFO [stderr]   --> src/lib.rs:51:9
Dec 17 11:54:51.772 INFO [stderr]    |
Dec 17 11:54:51.772 INFO [stderr] 51 |         pos += 8;
Dec 17 11:54:51.772 INFO [stderr]    |         ^^^
Dec 17 11:54:51.772 INFO [stderr]    |
Dec 17 11:54:51.772 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 11:54:51.772 INFO [stderr] 
Dec 17 11:54:51.792 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:54:51.792 INFO [stderr]   --> src/lib.rs:22:13
Dec 17 11:54:51.792 INFO [stderr]    |
Dec 17 11:54:51.792 INFO [stderr] 22 |         let mut vec = Vec::with_capacity(1024);
Dec 17 11:54:51.792 INFO [stderr]    |             ----^^^
Dec 17 11:54:51.792 INFO [stderr]    |             |
Dec 17 11:54:51.792 INFO [stderr]    |             help: remove this `mut`
Dec 17 11:54:51.792 INFO [stderr]    |
Dec 17 11:54:51.792 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 11:54:51.792 INFO [stderr] 
Dec 17 11:54:51.792 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:54:51.792 INFO [stderr]   --> src/lib.rs:56:13
Dec 17 11:54:51.792 INFO [stderr]    |
Dec 17 11:54:51.792 INFO [stderr] 56 |         let mut vec = Vec::with_capacity(1024);
Dec 17 11:54:51.792 INFO [stderr]    |             ----^^^
Dec 17 11:54:51.792 INFO [stderr]    |             |
Dec 17 11:54:51.792 INFO [stderr]    |             help: remove this `mut`
Dec 17 11:54:51.792 INFO [stderr] 
Dec 17 11:54:51.792 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:54:51.793 INFO [stderr]   --> src/lib.rs:65:13
Dec 17 11:54:51.793 INFO [stderr]    |
Dec 17 11:54:51.793 INFO [stderr] 65 |         let mut vec = Vec::with_capacity(1024);
Dec 17 11:54:51.793 INFO [stderr]    |             ----^^^
Dec 17 11:54:51.793 INFO [stderr]    |             |
Dec 17 11:54:51.793 INFO [stderr]    |             help: remove this `mut`
Dec 17 11:54:51.793 INFO [stderr] 
Dec 17 11:54:51.793 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:54:51.793 INFO [stderr]   --> src/lib.rs:67:13
Dec 17 11:54:51.793 INFO [stderr]    |
Dec 17 11:54:51.793 INFO [stderr] 67 |         let mut log_read = Log::read(&mut log.internal, file).unwrap();
Dec 17 11:54:51.793 INFO [stderr]    |             ----^^^^^^^^
Dec 17 11:54:51.793 INFO [stderr]    |             |
Dec 17 11:54:51.793 INFO [stderr]    |             help: remove this `mut`
Dec 17 11:54:51.793 INFO [stderr] 
Dec 17 11:54:51.816 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:54:51.816 INFO [stderr]   --> src/log.rs:84:31
Dec 17 11:54:51.816 INFO [stderr]    |
Dec 17 11:54:51.816 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 17 11:54:51.816 INFO [stderr]    |                               ----^^^^^^^^
Dec 17 11:54:51.816 INFO [stderr]    |                               |
Dec 17 11:54:51.816 INFO [stderr]    |                               help: remove this `mut`
Dec 17 11:54:51.816 INFO [stderr] 
Dec 17 11:54:51.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.91s
Dec 17 11:54:52.645 INFO running `"docker" "inspect" "e168dec5436997e7d596bf38b70425688eef8280295723852ddd180571a19139"`
Dec 17 11:54:52.984 INFO running `"docker" "rm" "-f" "e168dec5436997e7d596bf38b70425688eef8280295723852ddd180571a19139"`
Dec 17 11:54:53.292 INFO [stdout] e168dec5436997e7d596bf38b70425688eef8280295723852ddd180571a19139