Dec 19 14:54:10.754 INFO checking jrobar/Fibonacci against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:54:10.754 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jrobar/Fibonacci:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:54:10.926 INFO [stdout] fb3ec048773558b7e4e57b61125f8211d8a832eb21ab9e490a85cef09c752cbf
Dec 19 14:54:10.930 INFO running `"docker" "start" "-a" "fb3ec048773558b7e4e57b61125f8211d8a832eb21ab9e490a85cef09c752cbf"`
Dec 19 14:54:11.426 INFO [stderr]     Checking fibonacci v0.1.0 (/opt/crater/workdir)
Dec 19 14:54:11.654 INFO [stderr] warning: value assigned to `c` is never read
Dec 19 14:54:11.654 INFO [stderr]   --> src/main.rs:12:13
Dec 19 14:54:11.654 INFO [stderr]    |
Dec 19 14:54:11.654 INFO [stderr] 12 |     let mut c = 0;
Dec 19 14:54:11.654 INFO [stderr]    |             ^
Dec 19 14:54:11.654 INFO [stderr]    |
Dec 19 14:54:11.654 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 14:54:11.654 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 14:54:11.654 INFO [stderr] 
Dec 19 14:54:11.660 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:54:11.660 INFO [stderr]  --> src/main.rs:7:9
Dec 19 14:54:11.660 INFO [stderr]   |
Dec 19 14:54:11.660 INFO [stderr] 7 |     let mut i = get_num();
Dec 19 14:54:11.660 INFO [stderr]   |         ----^
Dec 19 14:54:11.660 INFO [stderr]   |         |
Dec 19 14:54:11.660 INFO [stderr]   |         help: remove this `mut`
Dec 19 14:54:11.660 INFO [stderr]   |
Dec 19 14:54:11.660 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 14:54:11.660 INFO [stderr] 
Dec 19 14:54:11.660 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:54:11.660 INFO [stderr]   --> src/main.rs:31:9
Dec 19 14:54:11.660 INFO [stderr]    |
Dec 19 14:54:11.660 INFO [stderr] 31 |     let mut num: i32 = num.trim().parse().expect("invalid input");
Dec 19 14:54:11.660 INFO [stderr]    |         ----^^^
Dec 19 14:54:11.660 INFO [stderr]    |         |
Dec 19 14:54:11.660 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:54:11.660 INFO [stderr] 
Dec 19 14:54:11.660 INFO [stderr] warning: value assigned to `c` is never read
Dec 19 14:54:11.660 INFO [stderr]   --> src/main.rs:12:13
Dec 19 14:54:11.660 INFO [stderr]    |
Dec 19 14:54:11.660 INFO [stderr] 12 |     let mut c = 0;
Dec 19 14:54:11.660 INFO [stderr]    |             ^
Dec 19 14:54:11.660 INFO [stderr]    |
Dec 19 14:54:11.660 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 14:54:11.660 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 14:54:11.660 INFO [stderr] 
Dec 19 14:54:11.663 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:54:11.663 INFO [stderr]  --> src/main.rs:7:9
Dec 19 14:54:11.663 INFO [stderr]   |
Dec 19 14:54:11.663 INFO [stderr] 7 |     let mut i = get_num();
Dec 19 14:54:11.663 INFO [stderr]   |         ----^
Dec 19 14:54:11.663 INFO [stderr]   |         |
Dec 19 14:54:11.663 INFO [stderr]   |         help: remove this `mut`
Dec 19 14:54:11.663 INFO [stderr]   |
Dec 19 14:54:11.663 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 14:54:11.663 INFO [stderr] 
Dec 19 14:54:11.664 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:54:11.664 INFO [stderr]   --> src/main.rs:31:9
Dec 19 14:54:11.664 INFO [stderr]    |
Dec 19 14:54:11.664 INFO [stderr] 31 |     let mut num: i32 = num.trim().parse().expect("invalid input");
Dec 19 14:54:11.664 INFO [stderr]    |         ----^^^
Dec 19 14:54:11.664 INFO [stderr]    |         |
Dec 19 14:54:11.664 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:54:11.664 INFO [stderr] 
Dec 19 14:54:11.683 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 19 14:54:12.029 INFO running `"docker" "inspect" "fb3ec048773558b7e4e57b61125f8211d8a832eb21ab9e490a85cef09c752cbf"`
Dec 19 14:54:12.100 INFO running `"docker" "rm" "-f" "fb3ec048773558b7e4e57b61125f8211d8a832eb21ab9e490a85cef09c752cbf"`
Dec 19 14:54:12.178 INFO [stdout] fb3ec048773558b7e4e57b61125f8211d8a832eb21ab9e490a85cef09c752cbf