Oct 12 20:37:11.343 INFO checking human9/rsif against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:37:11.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 20:37:11.808 INFO blam! bac2610b83b50dd5fec66b72f82fdea7c8c546c374a730b3640c066ce0607175
Oct 12 20:37:11.809 INFO running `"docker" "start" "-a" "bac2610b83b50dd5fec66b72f82fdea7c8c546c374a730b3640c066ce0607175"`
Oct 12 20:37:13.072 INFO kablam! usermod: no changes
Oct 12 20:37:13.184 INFO kablam!     Checking cgmath v0.16.1
Oct 12 20:37:19.571 INFO kablam!     Checking sifter v0.1.0 (/source)
Oct 12 20:37:20.744 INFO kablam! warning: unused import: `serde::de::DeserializeOwned`
Oct 12 20:37:20.745 INFO kablam!   --> src/lib.rs:14:5
Oct 12 20:37:20.746 INFO kablam!    |
Oct 12 20:37:20.746 INFO kablam! 14 | use serde::de::DeserializeOwned;
Oct 12 20:37:20.747 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:37:20.747 INFO kablam!    |
Oct 12 20:37:20.748 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 20:37:20.749 INFO kablam! 
Oct 12 20:37:20.915 INFO kablam! warning: unused import: `serde::de::DeserializeOwned`
Oct 12 20:37:20.915 INFO kablam!   --> src/lib.rs:14:5
Oct 12 20:37:20.915 INFO kablam!    |
Oct 12 20:37:20.915 INFO kablam! 14 | use serde::de::DeserializeOwned;
Oct 12 20:37:20.915 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:37:20.915 INFO kablam!    |
Oct 12 20:37:20.915 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 20:37:20.916 INFO kablam! 
Oct 12 20:37:21.380 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.380 INFO kablam!   --> src/lib.rs:77:9
Oct 12 20:37:21.380 INFO kablam!    |
Oct 12 20:37:21.380 INFO kablam! 77 |     let mut a_string = read_file(a)?;
Oct 12 20:37:21.380 INFO kablam!    |         ----^^^^^^^^
Oct 12 20:37:21.380 INFO kablam!    |         |
Oct 12 20:37:21.381 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.381 INFO kablam!    |
Oct 12 20:37:21.381 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 20:37:21.382 INFO kablam! 
Oct 12 20:37:21.382 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.382 INFO kablam!   --> src/lib.rs:78:9
Oct 12 20:37:21.382 INFO kablam!    |
Oct 12 20:37:21.383 INFO kablam! 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Oct 12 20:37:21.383 INFO kablam!    |         ----^^^^^^^
Oct 12 20:37:21.383 INFO kablam!    |         |
Oct 12 20:37:21.384 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.384 INFO kablam! 
Oct 12 20:37:21.384 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.385 INFO kablam!   --> src/lib.rs:79:9
Oct 12 20:37:21.385 INFO kablam!    |
Oct 12 20:37:21.385 INFO kablam! 79 |     let mut b_string = read_file(b)?;
Oct 12 20:37:21.385 INFO kablam!    |         ----^^^^^^^^
Oct 12 20:37:21.386 INFO kablam!    |         |
Oct 12 20:37:21.386 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.386 INFO kablam! 
Oct 12 20:37:21.387 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.387 INFO kablam!   --> src/lib.rs:80:9
Oct 12 20:37:21.387 INFO kablam!    |
Oct 12 20:37:21.387 INFO kablam! 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Oct 12 20:37:21.388 INFO kablam!    |         ----^^^^^^^
Oct 12 20:37:21.388 INFO kablam!    |         |
Oct 12 20:37:21.388 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.388 INFO kablam! 
Oct 12 20:37:21.598 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.598 INFO kablam!   --> src/lib.rs:77:9
Oct 12 20:37:21.598 INFO kablam!    |
Oct 12 20:37:21.599 INFO kablam! 77 |     let mut a_string = read_file(a)?;
Oct 12 20:37:21.599 INFO kablam!    |         ----^^^^^^^^
Oct 12 20:37:21.599 INFO kablam!    |         |
Oct 12 20:37:21.599 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.604 INFO kablam!    |
Oct 12 20:37:21.620 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 20:37:21.621 INFO kablam! 
Oct 12 20:37:21.621 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.621 INFO kablam!   --> src/lib.rs:78:9
Oct 12 20:37:21.622 INFO kablam!    |
Oct 12 20:37:21.622 INFO kablam! 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Oct 12 20:37:21.622 INFO kablam!    |         ----^^^^^^^
Oct 12 20:37:21.622 INFO kablam!    |         |
Oct 12 20:37:21.623 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.623 INFO kablam! 
Oct 12 20:37:21.623 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.624 INFO kablam!   --> src/lib.rs:79:9
Oct 12 20:37:21.624 INFO kablam!    |
Oct 12 20:37:21.624 INFO kablam! 79 |     let mut b_string = read_file(b)?;
Oct 12 20:37:21.624 INFO kablam!    |         ----^^^^^^^^
Oct 12 20:37:21.625 INFO kablam!    |         |
Oct 12 20:37:21.625 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.625 INFO kablam! 
Oct 12 20:37:21.626 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:37:21.626 INFO kablam!   --> src/lib.rs:80:9
Oct 12 20:37:21.626 INFO kablam!    |
Oct 12 20:37:21.626 INFO kablam! 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Oct 12 20:37:21.627 INFO kablam!    |         ----^^^^^^^
Oct 12 20:37:21.627 INFO kablam!    |         |
Oct 12 20:37:21.627 INFO kablam!    |         help: remove this `mut`
Oct 12 20:37:21.627 INFO kablam! 
Oct 12 20:37:24.704 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.61s
Oct 12 20:37:24.713 INFO kablam! su: No module specific data is present
Oct 12 20:37:26.080 INFO running `"docker" "rm" "-f" "bac2610b83b50dd5fec66b72f82fdea7c8c546c374a730b3640c066ce0607175"`
Oct 12 20:37:26.376 INFO blam! bac2610b83b50dd5fec66b72f82fdea7c8c546c374a730b3640c066ce0607175