Dec 19 16:00:02.141 INFO checking human9/rsif against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:00:02.141 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/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:00:02.377 INFO [stdout] 293ad2e144f1f1f5d205da34c8640c223dcda0bbff27da599dc82c1ca8e7f02a
Dec 19 16:00:02.382 INFO running `"docker" "start" "-a" "293ad2e144f1f1f5d205da34c8640c223dcda0bbff27da599dc82c1ca8e7f02a"`
Dec 19 16:00:03.124 INFO [stderr]     Checking petgraph v0.4.13
Dec 19 16:00:03.129 INFO [stderr]     Checking cgmath v0.16.1
Dec 19 16:00:10.165 INFO [stderr]     Checking sifter v0.1.0 (/opt/crater/workdir)
Dec 19 16:00:10.972 INFO [stderr] warning: unused import: `serde::de::DeserializeOwned`
Dec 19 16:00:10.973 INFO [stderr]   --> src/lib.rs:14:5
Dec 19 16:00:10.973 INFO [stderr]    |
Dec 19 16:00:10.973 INFO [stderr] 14 | use serde::de::DeserializeOwned;
Dec 19 16:00:10.973 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:00:10.973 INFO [stderr]    |
Dec 19 16:00:10.973 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 16:00:10.973 INFO [stderr] 
Dec 19 16:00:10.973 INFO [stderr] warning: unused import: `serde::de::DeserializeOwned`
Dec 19 16:00:10.973 INFO [stderr]   --> src/lib.rs:14:5
Dec 19 16:00:10.973 INFO [stderr]    |
Dec 19 16:00:10.973 INFO [stderr] 14 | use serde::de::DeserializeOwned;
Dec 19 16:00:10.973 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:00:10.973 INFO [stderr]    |
Dec 19 16:00:10.973 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 16:00:10.973 INFO [stderr] 
Dec 19 16:00:11.395 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.395 INFO [stderr]   --> src/lib.rs:77:9
Dec 19 16:00:11.395 INFO [stderr]    |
Dec 19 16:00:11.395 INFO [stderr] 77 |     let mut a_string = read_file(a)?;
Dec 19 16:00:11.395 INFO [stderr]    |         ----^^^^^^^^
Dec 19 16:00:11.395 INFO [stderr]    |         |
Dec 19 16:00:11.395 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.395 INFO [stderr]    |
Dec 19 16:00:11.395 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:00:11.395 INFO [stderr] 
Dec 19 16:00:11.396 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.396 INFO [stderr]   --> src/lib.rs:78:9
Dec 19 16:00:11.396 INFO [stderr]    |
Dec 19 16:00:11.396 INFO [stderr] 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Dec 19 16:00:11.396 INFO [stderr]    |         ----^^^^^^^
Dec 19 16:00:11.396 INFO [stderr]    |         |
Dec 19 16:00:11.396 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.396 INFO [stderr] 
Dec 19 16:00:11.396 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.396 INFO [stderr]   --> src/lib.rs:79:9
Dec 19 16:00:11.396 INFO [stderr]    |
Dec 19 16:00:11.396 INFO [stderr] 79 |     let mut b_string = read_file(b)?;
Dec 19 16:00:11.396 INFO [stderr]    |         ----^^^^^^^^
Dec 19 16:00:11.396 INFO [stderr]    |         |
Dec 19 16:00:11.396 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.396 INFO [stderr] 
Dec 19 16:00:11.397 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.397 INFO [stderr]   --> src/lib.rs:80:9
Dec 19 16:00:11.397 INFO [stderr]    |
Dec 19 16:00:11.397 INFO [stderr] 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Dec 19 16:00:11.397 INFO [stderr]    |         ----^^^^^^^
Dec 19 16:00:11.397 INFO [stderr]    |         |
Dec 19 16:00:11.397 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.397 INFO [stderr] 
Dec 19 16:00:11.592 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.592 INFO [stderr]   --> src/lib.rs:77:9
Dec 19 16:00:11.592 INFO [stderr]    |
Dec 19 16:00:11.592 INFO [stderr] 77 |     let mut a_string = read_file(a)?;
Dec 19 16:00:11.592 INFO [stderr]    |         ----^^^^^^^^
Dec 19 16:00:11.592 INFO [stderr]    |         |
Dec 19 16:00:11.592 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.593 INFO [stderr]    |
Dec 19 16:00:11.593 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:00:11.593 INFO [stderr] 
Dec 19 16:00:11.593 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.593 INFO [stderr]   --> src/lib.rs:78:9
Dec 19 16:00:11.593 INFO [stderr]    |
Dec 19 16:00:11.593 INFO [stderr] 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Dec 19 16:00:11.593 INFO [stderr]    |         ----^^^^^^^
Dec 19 16:00:11.593 INFO [stderr]    |         |
Dec 19 16:00:11.593 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.593 INFO [stderr] 
Dec 19 16:00:11.593 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.593 INFO [stderr]   --> src/lib.rs:79:9
Dec 19 16:00:11.593 INFO [stderr]    |
Dec 19 16:00:11.593 INFO [stderr] 79 |     let mut b_string = read_file(b)?;
Dec 19 16:00:11.593 INFO [stderr]    |         ----^^^^^^^^
Dec 19 16:00:11.593 INFO [stderr]    |         |
Dec 19 16:00:11.593 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.593 INFO [stderr] 
Dec 19 16:00:11.593 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:11.593 INFO [stderr]   --> src/lib.rs:80:9
Dec 19 16:00:11.593 INFO [stderr]    |
Dec 19 16:00:11.593 INFO [stderr] 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Dec 19 16:00:11.593 INFO [stderr]    |         ----^^^^^^^
Dec 19 16:00:11.593 INFO [stderr]    |         |
Dec 19 16:00:11.593 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:00:11.593 INFO [stderr] 
Dec 19 16:00:13.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.39s
Dec 19 16:00:14.434 INFO running `"docker" "inspect" "293ad2e144f1f1f5d205da34c8640c223dcda0bbff27da599dc82c1ca8e7f02a"`
Dec 19 16:00:14.790 INFO running `"docker" "rm" "-f" "293ad2e144f1f1f5d205da34c8640c223dcda0bbff27da599dc82c1ca8e7f02a"`
Dec 19 16:00:15.124 INFO [stdout] 293ad2e144f1f1f5d205da34c8640c223dcda0bbff27da599dc82c1ca8e7f02a