Dec 17 23:11:42.769 INFO checking human9/rsif against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:11:42.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/human9/rsif:/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 23:11:43.141 INFO [stdout] 6edb833041bb157ac71112dfe963816424ed0328082f812aa741542dec886d44
Dec 17 23:11:43.143 INFO running `"docker" "start" "-a" "6edb833041bb157ac71112dfe963816424ed0328082f812aa741542dec886d44"`
Dec 17 23:11:44.012 INFO [stderr]    Compiling syn v0.15.3
Dec 17 23:11:52.408 INFO [stderr]    Compiling serde_derive v1.0.78
Dec 17 23:12:05.988 INFO [stderr]     Checking sifter v0.1.0 (/opt/crater/workdir)
Dec 17 23:12:06.700 INFO [stderr] warning: unused import: `serde::de::DeserializeOwned`
Dec 17 23:12:06.700 INFO [stderr]   --> src/lib.rs:14:5
Dec 17 23:12:06.700 INFO [stderr]    |
Dec 17 23:12:06.700 INFO [stderr] 14 | use serde::de::DeserializeOwned;
Dec 17 23:12:06.700 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:12:06.700 INFO [stderr]    |
Dec 17 23:12:06.700 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 23:12:06.700 INFO [stderr] 
Dec 17 23:12:06.716 INFO [stderr] warning: unused import: `serde::de::DeserializeOwned`
Dec 17 23:12:06.716 INFO [stderr]   --> src/lib.rs:14:5
Dec 17 23:12:06.716 INFO [stderr]    |
Dec 17 23:12:06.716 INFO [stderr] 14 | use serde::de::DeserializeOwned;
Dec 17 23:12:06.716 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:12:06.716 INFO [stderr]    |
Dec 17 23:12:06.716 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 23:12:06.716 INFO [stderr] 
Dec 17 23:12:07.132 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.132 INFO [stderr]   --> src/lib.rs:77:9
Dec 17 23:12:07.132 INFO [stderr]    |
Dec 17 23:12:07.132 INFO [stderr] 77 |     let mut a_string = read_file(a)?;
Dec 17 23:12:07.132 INFO [stderr]    |         ----^^^^^^^^
Dec 17 23:12:07.132 INFO [stderr]    |         |
Dec 17 23:12:07.132 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.132 INFO [stderr]    |
Dec 17 23:12:07.132 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:12:07.132 INFO [stderr] 
Dec 17 23:12:07.132 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.132 INFO [stderr]   --> src/lib.rs:78:9
Dec 17 23:12:07.132 INFO [stderr]    |
Dec 17 23:12:07.132 INFO [stderr] 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Dec 17 23:12:07.132 INFO [stderr]    |         ----^^^^^^^
Dec 17 23:12:07.132 INFO [stderr]    |         |
Dec 17 23:12:07.133 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.133 INFO [stderr] 
Dec 17 23:12:07.133 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.133 INFO [stderr]   --> src/lib.rs:79:9
Dec 17 23:12:07.133 INFO [stderr]    |
Dec 17 23:12:07.133 INFO [stderr] 79 |     let mut b_string = read_file(b)?;
Dec 17 23:12:07.133 INFO [stderr]    |         ----^^^^^^^^
Dec 17 23:12:07.133 INFO [stderr]    |         |
Dec 17 23:12:07.133 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.133 INFO [stderr] 
Dec 17 23:12:07.133 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.133 INFO [stderr]   --> src/lib.rs:80:9
Dec 17 23:12:07.133 INFO [stderr]    |
Dec 17 23:12:07.133 INFO [stderr] 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Dec 17 23:12:07.133 INFO [stderr]    |         ----^^^^^^^
Dec 17 23:12:07.133 INFO [stderr]    |         |
Dec 17 23:12:07.133 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.133 INFO [stderr] 
Dec 17 23:12:07.161 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.161 INFO [stderr]   --> src/lib.rs:77:9
Dec 17 23:12:07.161 INFO [stderr]    |
Dec 17 23:12:07.161 INFO [stderr] 77 |     let mut a_string = read_file(a)?;
Dec 17 23:12:07.161 INFO [stderr]    |         ----^^^^^^^^
Dec 17 23:12:07.161 INFO [stderr]    |         |
Dec 17 23:12:07.161 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.161 INFO [stderr]    |
Dec 17 23:12:07.161 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:12:07.161 INFO [stderr] 
Dec 17 23:12:07.161 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.161 INFO [stderr]   --> src/lib.rs:78:9
Dec 17 23:12:07.161 INFO [stderr]    |
Dec 17 23:12:07.161 INFO [stderr] 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Dec 17 23:12:07.161 INFO [stderr]    |         ----^^^^^^^
Dec 17 23:12:07.161 INFO [stderr]    |         |
Dec 17 23:12:07.161 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.161 INFO [stderr] 
Dec 17 23:12:07.161 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.161 INFO [stderr]   --> src/lib.rs:79:9
Dec 17 23:12:07.161 INFO [stderr]    |
Dec 17 23:12:07.161 INFO [stderr] 79 |     let mut b_string = read_file(b)?;
Dec 17 23:12:07.161 INFO [stderr]    |         ----^^^^^^^^
Dec 17 23:12:07.161 INFO [stderr]    |         |
Dec 17 23:12:07.161 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.161 INFO [stderr] 
Dec 17 23:12:07.161 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:12:07.161 INFO [stderr]   --> src/lib.rs:80:9
Dec 17 23:12:07.161 INFO [stderr]    |
Dec 17 23:12:07.161 INFO [stderr] 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Dec 17 23:12:07.161 INFO [stderr]    |         ----^^^^^^^
Dec 17 23:12:07.161 INFO [stderr]    |         |
Dec 17 23:12:07.161 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:12:07.161 INFO [stderr] 
Dec 17 23:12:09.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.33s
Dec 17 23:12:10.174 INFO running `"docker" "inspect" "6edb833041bb157ac71112dfe963816424ed0328082f812aa741542dec886d44"`
Dec 17 23:12:10.418 INFO running `"docker" "rm" "-f" "6edb833041bb157ac71112dfe963816424ed0328082f812aa741542dec886d44"`
Dec 17 23:12:10.708 INFO [stdout] 6edb833041bb157ac71112dfe963816424ed0328082f812aa741542dec886d44