Dec 19 05:29:50.685 INFO checking wjh/zif_log against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:29:50.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:29:51.137 INFO [stdout] c365d52ed2d9924b589cafde3f38923a4c5cc246e64b71d6a31228fe305af984
Dec 19 05:29:51.142 INFO running `"docker" "start" "-a" "c365d52ed2d9924b589cafde3f38923a4c5cc246e64b71d6a31228fe305af984"`
Dec 19 05:29:52.936 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 19 05:29:52.940 INFO [stderr]    Compiling libc v0.2.34
Dec 19 05:29:52.940 INFO [stderr]    Compiling either v1.4.0
Dec 19 05:29:52.940 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 19 05:29:52.940 INFO [stderr]    Compiling lazy_static v0.2.11
Dec 19 05:29:52.940 INFO [stderr]     Checking arrayvec v0.4.6
Dec 19 05:29:53.854 INFO [stderr]    Compiling coco v0.1.1
Dec 19 05:29:55.040 INFO [stderr]     Checking blake2-rfc v0.2.18
Dec 19 05:29:56.162 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 19 05:29:56.163 INFO [stderr]    Compiling rand v0.3.19
Dec 19 05:30:01.609 INFO [stderr]    Compiling rayon v0.8.2
Dec 19 05:30:04.624 INFO [stderr]    Compiling ring v0.12.1
Dec 19 05:30:11.532 INFO [stderr]     Checking zif_log v0.1.0 (/opt/crater/workdir)
Dec 19 05:30:11.716 INFO [stderr] warning: unused import: `OpenOptions`
Dec 19 05:30:11.716 INFO [stderr]  --> src/log.rs:2:21
Dec 19 05:30:11.716 INFO [stderr]   |
Dec 19 05:30:11.716 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 19 05:30:11.716 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 19 05:30:11.728 INFO [stderr] warning: unused import: `OpenOptions`
Dec 19 05:30:11.728 INFO [stderr]  --> src/log.rs:2:21
Dec 19 05:30:11.728 INFO [stderr]   |
Dec 19 05:30:11.728 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 19 05:30:11.728 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 19 05:30:11.728 INFO [stderr]   |
Dec 19 05:30:11.728 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:30:11.728 INFO [stderr] 
Dec 19 05:30:11.740 INFO [stderr]   |
Dec 19 05:30:11.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:30:11.740 INFO [stderr] 
Dec 19 05:30:11.936 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:30:11.936 INFO [stderr]   --> src/log.rs:84:31
Dec 19 05:30:11.936 INFO [stderr]    |
Dec 19 05:30:11.936 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 19 05:30:11.936 INFO [stderr]    |                               ----^^^^^^^^
Dec 19 05:30:11.936 INFO [stderr]    |                               |
Dec 19 05:30:11.936 INFO [stderr]    |                               help: remove this `mut`
Dec 19 05:30:11.936 INFO [stderr]    |
Dec 19 05:30:11.936 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:30:11.936 INFO [stderr] 
Dec 19 05:30:11.980 INFO [stderr] warning: value assigned to `pos` is never read
Dec 19 05:30:11.980 INFO [stderr]   --> src/lib.rs:51:9
Dec 19 05:30:11.980 INFO [stderr]    |
Dec 19 05:30:11.980 INFO [stderr] 51 |         pos += 8;
Dec 19 05:30:11.980 INFO [stderr]    |         ^^^
Dec 19 05:30:11.980 INFO [stderr]    |
Dec 19 05:30:11.980 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 05:30:11.980 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 05:30:11.980 INFO [stderr] 
Dec 19 05:30:11.992 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:30:11.992 INFO [stderr]   --> src/lib.rs:22:13
Dec 19 05:30:11.992 INFO [stderr]    |
Dec 19 05:30:11.992 INFO [stderr] 22 |         let mut vec = Vec::with_capacity(1024);
Dec 19 05:30:11.992 INFO [stderr]    |             ----^^^
Dec 19 05:30:11.992 INFO [stderr]    |             |
Dec 19 05:30:11.992 INFO [stderr]    |             help: remove this `mut`
Dec 19 05:30:11.992 INFO [stderr]    |
Dec 19 05:30:11.992 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:30:11.992 INFO [stderr] 
Dec 19 05:30:11.992 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:30:11.992 INFO [stderr]   --> src/lib.rs:56:13
Dec 19 05:30:11.992 INFO [stderr]    |
Dec 19 05:30:11.992 INFO [stderr] 56 |         let mut vec = Vec::with_capacity(1024);
Dec 19 05:30:11.992 INFO [stderr]    |             ----^^^
Dec 19 05:30:11.992 INFO [stderr]    |             |
Dec 19 05:30:11.992 INFO [stderr]    |             help: remove this `mut`
Dec 19 05:30:11.992 INFO [stderr] 
Dec 19 05:30:11.992 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:30:11.992 INFO [stderr]   --> src/lib.rs:65:13
Dec 19 05:30:11.992 INFO [stderr]    |
Dec 19 05:30:11.992 INFO [stderr] 65 |         let mut vec = Vec::with_capacity(1024);
Dec 19 05:30:11.992 INFO [stderr]    |             ----^^^
Dec 19 05:30:11.992 INFO [stderr]    |             |
Dec 19 05:30:11.992 INFO [stderr]    |             help: remove this `mut`
Dec 19 05:30:11.992 INFO [stderr] 
Dec 19 05:30:11.992 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:30:11.992 INFO [stderr]   --> src/lib.rs:67:13
Dec 19 05:30:11.992 INFO [stderr]    |
Dec 19 05:30:11.992 INFO [stderr] 67 |         let mut log_read = Log::read(&mut log.internal, file).unwrap();
Dec 19 05:30:11.992 INFO [stderr]    |             ----^^^^^^^^
Dec 19 05:30:11.992 INFO [stderr]    |             |
Dec 19 05:30:11.992 INFO [stderr]    |             help: remove this `mut`
Dec 19 05:30:11.992 INFO [stderr] 
Dec 19 05:30:12.020 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:30:12.020 INFO [stderr]   --> src/log.rs:84:31
Dec 19 05:30:12.020 INFO [stderr]    |
Dec 19 05:30:12.020 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 19 05:30:12.020 INFO [stderr]    |                               ----^^^^^^^^
Dec 19 05:30:12.020 INFO [stderr]    |                               |
Dec 19 05:30:12.020 INFO [stderr]    |                               help: remove this `mut`
Dec 19 05:30:12.020 INFO [stderr] 
Dec 19 05:30:12.048 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.24s
Dec 19 05:30:12.820 INFO running `"docker" "inspect" "c365d52ed2d9924b589cafde3f38923a4c5cc246e64b71d6a31228fe305af984"`
Dec 19 05:30:13.147 INFO running `"docker" "rm" "-f" "c365d52ed2d9924b589cafde3f38923a4c5cc246e64b71d6a31228fe305af984"`
Dec 19 05:30:13.580 INFO [stdout] c365d52ed2d9924b589cafde3f38923a4c5cc246e64b71d6a31228fe305af984