Dec 11 17:19:47.569 INFO checking human9/rsif against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:19:47.569 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 17:19:47.920 INFO [stdout] bb11da089a35ec5f264fba0c57f20a11280ed2449d7f48aeb50fdeda51fdb075
Dec 11 17:19:47.926 INFO running `"docker" "start" "-a" "bb11da089a35ec5f264fba0c57f20a11280ed2449d7f48aeb50fdeda51fdb075"`
Dec 11 17:19:48.880 INFO [stderr] usermod: no changes
Dec 11 17:19:48.999 INFO [stderr]     Checking serde_json v1.0.27
Dec 11 17:19:48.999 INFO [stderr]    Compiling syn v0.15.3
Dec 11 17:19:48.999 INFO [stderr]     Checking cgmath v0.16.1
Dec 11 17:20:02.004 INFO [stderr]    Compiling serde_derive v1.0.78
Dec 11 17:20:17.031 INFO [stderr]     Checking sifter v0.1.0 (/source)
Dec 11 17:20:18.208 INFO [stderr] warning: unused import: `serde::de::DeserializeOwned`
Dec 11 17:20:18.208 INFO [stderr]   --> src/lib.rs:14:5
Dec 11 17:20:18.208 INFO [stderr]    |
Dec 11 17:20:18.208 INFO [stderr] 14 | use serde::de::DeserializeOwned;
Dec 11 17:20:18.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:20:18.208 INFO [stderr]    |
Dec 11 17:20:18.208 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 17:20:18.208 INFO [stderr] 
Dec 11 17:20:18.340 INFO [stderr] warning: unused import: `serde::de::DeserializeOwned`
Dec 11 17:20:18.340 INFO [stderr]   --> src/lib.rs:14:5
Dec 11 17:20:18.340 INFO [stderr]    |
Dec 11 17:20:18.340 INFO [stderr] 14 | use serde::de::DeserializeOwned;
Dec 11 17:20:18.340 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:20:18.340 INFO [stderr]    |
Dec 11 17:20:18.340 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 17:20:18.340 INFO [stderr] 
Dec 11 17:20:18.575 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.575 INFO [stderr]   --> src/lib.rs:77:9
Dec 11 17:20:18.575 INFO [stderr]    |
Dec 11 17:20:18.575 INFO [stderr] 77 |     let mut a_string = read_file(a)?;
Dec 11 17:20:18.575 INFO [stderr]    |         ----^^^^^^^^
Dec 11 17:20:18.575 INFO [stderr]    |         |
Dec 11 17:20:18.575 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.575 INFO [stderr]    |
Dec 11 17:20:18.575 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:20:18.575 INFO [stderr] 
Dec 11 17:20:18.575 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.575 INFO [stderr]   --> src/lib.rs:78:9
Dec 11 17:20:18.575 INFO [stderr]    |
Dec 11 17:20:18.575 INFO [stderr] 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Dec 11 17:20:18.575 INFO [stderr]    |         ----^^^^^^^
Dec 11 17:20:18.575 INFO [stderr]    |         |
Dec 11 17:20:18.575 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.575 INFO [stderr] 
Dec 11 17:20:18.575 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.575 INFO [stderr]   --> src/lib.rs:79:9
Dec 11 17:20:18.575 INFO [stderr]    |
Dec 11 17:20:18.576 INFO [stderr] 79 |     let mut b_string = read_file(b)?;
Dec 11 17:20:18.576 INFO [stderr]    |         ----^^^^^^^^
Dec 11 17:20:18.576 INFO [stderr]    |         |
Dec 11 17:20:18.576 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.576 INFO [stderr] 
Dec 11 17:20:18.576 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.576 INFO [stderr]   --> src/lib.rs:80:9
Dec 11 17:20:18.576 INFO [stderr]    |
Dec 11 17:20:18.577 INFO [stderr] 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Dec 11 17:20:18.577 INFO [stderr]    |         ----^^^^^^^
Dec 11 17:20:18.577 INFO [stderr]    |         |
Dec 11 17:20:18.577 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.577 INFO [stderr] 
Dec 11 17:20:18.692 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.692 INFO [stderr]   --> src/lib.rs:77:9
Dec 11 17:20:18.692 INFO [stderr]    |
Dec 11 17:20:18.692 INFO [stderr] 77 |     let mut a_string = read_file(a)?;
Dec 11 17:20:18.692 INFO [stderr]    |         ----^^^^^^^^
Dec 11 17:20:18.692 INFO [stderr]    |         |
Dec 11 17:20:18.692 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.692 INFO [stderr]    |
Dec 11 17:20:18.692 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:20:18.692 INFO [stderr] 
Dec 11 17:20:18.692 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.692 INFO [stderr]   --> src/lib.rs:78:9
Dec 11 17:20:18.692 INFO [stderr]    |
Dec 11 17:20:18.692 INFO [stderr] 78 |     let mut a_graph = sif_to_petgraph(&a_string);
Dec 11 17:20:18.692 INFO [stderr]    |         ----^^^^^^^
Dec 11 17:20:18.692 INFO [stderr]    |         |
Dec 11 17:20:18.692 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.692 INFO [stderr] 
Dec 11 17:20:18.692 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.692 INFO [stderr]   --> src/lib.rs:79:9
Dec 11 17:20:18.692 INFO [stderr]    |
Dec 11 17:20:18.693 INFO [stderr] 79 |     let mut b_string = read_file(b)?;
Dec 11 17:20:18.693 INFO [stderr]    |         ----^^^^^^^^
Dec 11 17:20:18.693 INFO [stderr]    |         |
Dec 11 17:20:18.693 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.693 INFO [stderr] 
Dec 11 17:20:18.693 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:18.693 INFO [stderr]   --> src/lib.rs:80:9
Dec 11 17:20:18.693 INFO [stderr]    |
Dec 11 17:20:18.693 INFO [stderr] 80 |     let mut b_graph = sif_to_petgraph(&b_string);
Dec 11 17:20:18.693 INFO [stderr]    |         ----^^^^^^^
Dec 11 17:20:18.693 INFO [stderr]    |         |
Dec 11 17:20:18.693 INFO [stderr]    |         help: remove this `mut`
Dec 11 17:20:18.693 INFO [stderr] 
Dec 11 17:20:20.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.78s
Dec 11 17:20:20.702 INFO [stderr] su: No module specific data is present
Dec 11 17:20:21.959 INFO running `"docker" "inspect" "bb11da089a35ec5f264fba0c57f20a11280ed2449d7f48aeb50fdeda51fdb075"`
Dec 11 17:20:22.316 INFO running `"docker" "rm" "-f" "bb11da089a35ec5f264fba0c57f20a11280ed2449d7f48aeb50fdeda51fdb075"`
Dec 11 17:20:22.644 INFO [stdout] bb11da089a35ec5f264fba0c57f20a11280ed2449d7f48aeb50fdeda51fdb075