Dec 11 06:07:03.597 INFO checking wjh/zif_log against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 06:07:03.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 06:07:04.004 INFO [stdout] 8a2ac882a0a8b11a86ed61a44ea3158459ddaae6d81ff047496978af79f0a8ad
Dec 11 06:07:04.012 INFO running `"docker" "start" "-a" "8a2ac882a0a8b11a86ed61a44ea3158459ddaae6d81ff047496978af79f0a8ad"`
Dec 11 06:07:05.481 INFO [stderr] usermod: no changes
Dec 11 06:07:05.588 INFO [stderr]    Compiling rayon-core v1.3.0
Dec 11 06:07:05.588 INFO [stderr]    Compiling libc v0.2.34
Dec 11 06:07:05.588 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 11 06:07:05.588 INFO [stderr]    Compiling either v1.4.0
Dec 11 06:07:05.632 INFO [stderr]     Checking bufstream v0.1.3
Dec 11 06:07:05.632 INFO [stderr]     Checking arrayvec v0.4.6
Dec 11 06:07:06.534 INFO [stderr]    Compiling coco v0.1.1
Dec 11 06:07:07.400 INFO [stderr]     Checking blake2-rfc v0.2.18
Dec 11 06:07:08.196 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 11 06:07:08.196 INFO [stderr]    Compiling rand v0.3.19
Dec 11 06:07:12.503 INFO [stderr]    Compiling rayon v0.8.2
Dec 11 06:07:15.536 INFO [stderr]    Compiling ring v0.12.1
Dec 11 06:07:23.673 INFO [stderr]     Checking zif_log v0.1.0 (/source)
Dec 11 06:07:23.896 INFO [stderr] warning: unused import: `OpenOptions`
Dec 11 06:07:23.896 INFO [stderr]  --> src/log.rs:2:21
Dec 11 06:07:23.896 INFO [stderr]   |
Dec 11 06:07:23.896 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 11 06:07:23.896 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 11 06:07:23.896 INFO [stderr]   |
Dec 11 06:07:23.896 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 06:07:23.896 INFO [stderr] 
Dec 11 06:07:24.000 INFO [stderr] warning: unused import: `OpenOptions`
Dec 11 06:07:24.000 INFO [stderr]  --> src/log.rs:2:21
Dec 11 06:07:24.000 INFO [stderr]   |
Dec 11 06:07:24.000 INFO [stderr] 2 | use std::fs::{File, OpenOptions};
Dec 11 06:07:24.000 INFO [stderr]   |                     ^^^^^^^^^^^
Dec 11 06:07:24.000 INFO [stderr]   |
Dec 11 06:07:24.000 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 06:07:24.000 INFO [stderr] 
Dec 11 06:07:24.035 INFO [stderr] warning: value assigned to `pos` is never read
Dec 11 06:07:24.036 INFO [stderr]   --> src/lib.rs:51:9
Dec 11 06:07:24.036 INFO [stderr]    |
Dec 11 06:07:24.036 INFO [stderr] 51 |         pos += 8;
Dec 11 06:07:24.036 INFO [stderr]    |         ^^^
Dec 11 06:07:24.036 INFO [stderr]    |
Dec 11 06:07:24.036 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 06:07:24.036 INFO [stderr] 
Dec 11 06:07:24.049 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:24.049 INFO [stderr]   --> src/lib.rs:22:13
Dec 11 06:07:24.049 INFO [stderr]    |
Dec 11 06:07:24.049 INFO [stderr] 22 |         let mut vec = Vec::with_capacity(1024);
Dec 11 06:07:24.049 INFO [stderr]    |             ----^^^
Dec 11 06:07:24.049 INFO [stderr]    |             |
Dec 11 06:07:24.049 INFO [stderr]    |             help: remove this `mut`
Dec 11 06:07:24.049 INFO [stderr]    |
Dec 11 06:07:24.049 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 06:07:24.049 INFO [stderr] 
Dec 11 06:07:24.050 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:24.050 INFO [stderr]   --> src/lib.rs:56:13
Dec 11 06:07:24.050 INFO [stderr]    |
Dec 11 06:07:24.050 INFO [stderr] 56 |         let mut vec = Vec::with_capacity(1024);
Dec 11 06:07:24.050 INFO [stderr]    |             ----^^^
Dec 11 06:07:24.050 INFO [stderr]    |             |
Dec 11 06:07:24.050 INFO [stderr]    |             help: remove this `mut`
Dec 11 06:07:24.050 INFO [stderr] 
Dec 11 06:07:24.050 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:24.050 INFO [stderr]   --> src/lib.rs:65:13
Dec 11 06:07:24.050 INFO [stderr]    |
Dec 11 06:07:24.050 INFO [stderr] 65 |         let mut vec = Vec::with_capacity(1024);
Dec 11 06:07:24.050 INFO [stderr]    |             ----^^^
Dec 11 06:07:24.050 INFO [stderr]    |             |
Dec 11 06:07:24.050 INFO [stderr]    |             help: remove this `mut`
Dec 11 06:07:24.050 INFO [stderr] 
Dec 11 06:07:24.050 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:24.050 INFO [stderr]   --> src/lib.rs:67:13
Dec 11 06:07:24.050 INFO [stderr]    |
Dec 11 06:07:24.050 INFO [stderr] 67 |         let mut log_read = Log::read(&mut log.internal, file).unwrap();
Dec 11 06:07:24.050 INFO [stderr]    |             ----^^^^^^^^
Dec 11 06:07:24.050 INFO [stderr]    |             |
Dec 11 06:07:24.050 INFO [stderr]    |             help: remove this `mut`
Dec 11 06:07:24.050 INFO [stderr] 
Dec 11 06:07:24.075 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:24.075 INFO [stderr]   --> src/log.rs:84:31
Dec 11 06:07:24.076 INFO [stderr]    |
Dec 11 06:07:24.076 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 11 06:07:24.076 INFO [stderr]    |                               ----^^^^^^^^
Dec 11 06:07:24.076 INFO [stderr]    |                               |
Dec 11 06:07:24.076 INFO [stderr]    |                               help: remove this `mut`
Dec 11 06:07:24.076 INFO [stderr] 
Dec 11 06:07:24.262 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:24.262 INFO [stderr]   --> src/log.rs:84:31
Dec 11 06:07:24.262 INFO [stderr]    |
Dec 11 06:07:24.262 INFO [stderr] 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Dec 11 06:07:24.262 INFO [stderr]    |                               ----^^^^^^^^
Dec 11 06:07:24.262 INFO [stderr]    |                               |
Dec 11 06:07:24.263 INFO [stderr]    |                               help: remove this `mut`
Dec 11 06:07:24.263 INFO [stderr]    |
Dec 11 06:07:24.263 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 06:07:24.263 INFO [stderr] 
Dec 11 06:07:24.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.79s
Dec 11 06:07:24.325 INFO [stderr] su: No module specific data is present
Dec 11 06:07:25.481 INFO running `"docker" "inspect" "8a2ac882a0a8b11a86ed61a44ea3158459ddaae6d81ff047496978af79f0a8ad"`
Dec 11 06:07:25.816 INFO running `"docker" "rm" "-f" "8a2ac882a0a8b11a86ed61a44ea3158459ddaae6d81ff047496978af79f0a8ad"`
Dec 11 06:07:26.168 INFO [stdout] 8a2ac882a0a8b11a86ed61a44ea3158459ddaae6d81ff047496978af79f0a8ad