Oct 12 10:41:54.879 INFO checking wjh/zif_log against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:41:54.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 10:41:55.400 INFO blam! a78d5878d250928d5a4e01e718a16d50c2fda10d83615216654d8de51b124bb3
Oct 12 10:41:55.402 INFO running `"docker" "start" "-a" "a78d5878d250928d5a4e01e718a16d50c2fda10d83615216654d8de51b124bb3"`
Oct 12 10:41:56.964 INFO kablam! usermod: no changes
Oct 12 10:41:57.060 INFO kablam!    Compiling libc v0.2.34
Oct 12 10:41:57.060 INFO kablam!    Compiling rayon-core v1.3.0
Oct 12 10:41:57.068 INFO kablam!    Compiling either v1.4.0
Oct 12 10:41:57.068 INFO kablam!    Compiling scopeguard v0.3.3
Oct 12 10:41:57.080 INFO kablam!     Checking bufstream v0.1.3
Oct 12 10:41:57.096 INFO kablam!     Checking arrayvec v0.4.6
Oct 12 10:41:58.661 INFO kablam!    Compiling coco v0.1.1
Oct 12 10:42:00.122 INFO kablam!     Checking blake2-rfc v0.2.18
Oct 12 10:42:01.300 INFO kablam!    Compiling num_cpus v1.7.0
Oct 12 10:42:01.300 INFO kablam!    Compiling rand v0.3.19
Oct 12 10:42:06.729 INFO kablam!    Compiling rayon v0.8.2
Oct 12 10:42:09.937 INFO kablam!    Compiling ring v0.12.1
Oct 12 10:42:17.030 INFO kablam!     Checking zif_log v0.1.0 (/source)
Oct 12 10:42:17.368 INFO kablam! warning: unused import: `OpenOptions`
Oct 12 10:42:17.369 INFO kablam!  --> src/log.rs:2:21
Oct 12 10:42:17.370 INFO kablam!   |
Oct 12 10:42:17.371 INFO kablam! 2 | use std::fs::{File, OpenOptions};
Oct 12 10:42:17.371 INFO kablam!   |                     ^^^^^^^^^^^
Oct 12 10:42:17.372 INFO kablam!   |
Oct 12 10:42:17.372 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 10:42:17.373 INFO kablam! 
Oct 12 10:42:17.428 INFO kablam! warning: unused import: `OpenOptions`
Oct 12 10:42:17.429 INFO kablam!  --> src/log.rs:2:21
Oct 12 10:42:17.430 INFO kablam!   |
Oct 12 10:42:17.430 INFO kablam! 2 | use std::fs::{File, OpenOptions};
Oct 12 10:42:17.431 INFO kablam!   |                     ^^^^^^^^^^^
Oct 12 10:42:17.431 INFO kablam!   |
Oct 12 10:42:17.431 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 10:42:17.431 INFO kablam! 
Oct 12 10:42:17.610 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:17.611 INFO kablam!   --> src/log.rs:84:31
Oct 12 10:42:17.611 INFO kablam!    |
Oct 12 10:42:17.611 INFO kablam! 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Oct 12 10:42:17.611 INFO kablam!    |                               ----^^^^^^^^
Oct 12 10:42:17.611 INFO kablam!    |                               |
Oct 12 10:42:17.611 INFO kablam!    |                               help: remove this `mut`
Oct 12 10:42:17.611 INFO kablam!    |
Oct 12 10:42:17.611 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:42:17.611 INFO kablam! 
Oct 12 10:42:17.747 INFO kablam! warning: value assigned to `pos` is never read
Oct 12 10:42:17.747 INFO kablam!   --> src/lib.rs:51:9
Oct 12 10:42:17.747 INFO kablam!    |
Oct 12 10:42:17.747 INFO kablam! 51 |         pos += 8;
Oct 12 10:42:17.747 INFO kablam!    |         ^^^
Oct 12 10:42:17.748 INFO kablam!    |
Oct 12 10:42:17.748 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 10:42:17.748 INFO kablam! 
Oct 12 10:42:17.767 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:17.767 INFO kablam!   --> src/lib.rs:22:13
Oct 12 10:42:17.767 INFO kablam!    |
Oct 12 10:42:17.767 INFO kablam! 22 |         let mut vec = Vec::with_capacity(1024);
Oct 12 10:42:17.767 INFO kablam!    |             ----^^^
Oct 12 10:42:17.769 INFO kablam!    |             |
Oct 12 10:42:17.769 INFO kablam!    |             help: remove this `mut`
Oct 12 10:42:17.769 INFO kablam!    |
Oct 12 10:42:17.769 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:42:17.769 INFO kablam! 
Oct 12 10:42:17.769 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:17.769 INFO kablam!   --> src/lib.rs:56:13
Oct 12 10:42:17.769 INFO kablam!    |
Oct 12 10:42:17.769 INFO kablam! 56 |         let mut vec = Vec::with_capacity(1024);
Oct 12 10:42:17.769 INFO kablam!    |             ----^^^
Oct 12 10:42:17.769 INFO kablam!    |             |
Oct 12 10:42:17.769 INFO kablam!    |             help: remove this `mut`
Oct 12 10:42:17.769 INFO kablam! 
Oct 12 10:42:17.769 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:17.769 INFO kablam!   --> src/lib.rs:65:13
Oct 12 10:42:17.769 INFO kablam!    |
Oct 12 10:42:17.769 INFO kablam! 65 |         let mut vec = Vec::with_capacity(1024);
Oct 12 10:42:17.769 INFO kablam!    |             ----^^^
Oct 12 10:42:17.769 INFO kablam!    |             |
Oct 12 10:42:17.769 INFO kablam!    |             help: remove this `mut`
Oct 12 10:42:17.769 INFO kablam! 
Oct 12 10:42:17.769 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:17.769 INFO kablam!   --> src/lib.rs:67:13
Oct 12 10:42:17.769 INFO kablam!    |
Oct 12 10:42:17.769 INFO kablam! 67 |         let mut log_read = Log::read(&mut log.internal, file).unwrap();
Oct 12 10:42:17.769 INFO kablam!    |             ----^^^^^^^^
Oct 12 10:42:17.769 INFO kablam!    |             |
Oct 12 10:42:17.769 INFO kablam!    |             help: remove this `mut`
Oct 12 10:42:17.769 INFO kablam! 
Oct 12 10:42:17.796 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:17.796 INFO kablam!   --> src/log.rs:84:31
Oct 12 10:42:17.796 INFO kablam!    |
Oct 12 10:42:17.796 INFO kablam! 84 |     pub fn read(read: &mut T, mut internal: T) -> Result<Log<T>, error::Error> {
Oct 12 10:42:17.796 INFO kablam!    |                               ----^^^^^^^^
Oct 12 10:42:17.796 INFO kablam!    |                               |
Oct 12 10:42:17.796 INFO kablam!    |                               help: remove this `mut`
Oct 12 10:42:17.799 INFO kablam! 
Oct 12 10:42:17.866 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.87s
Oct 12 10:42:17.876 INFO kablam! su: No module specific data is present
Oct 12 10:42:19.312 INFO running `"docker" "rm" "-f" "a78d5878d250928d5a4e01e718a16d50c2fda10d83615216654d8de51b124bb3"`
Oct 12 10:42:19.664 INFO blam! a78d5878d250928d5a4e01e718a16d50c2fda10d83615216654d8de51b124bb3