Dec 19 22:09:08.995 INFO checking Rep2/RS_2_lab against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:09:09.011 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Rep2/RS_2_lab:/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 22:09:09.287 INFO [stdout] 3ea4c4fdb106ac22318b77175a8947ca16fe6a7c1088a53acf94c2fb45ee322d
Dec 19 22:09:09.346 INFO running `"docker" "start" "-a" "3ea4c4fdb106ac22318b77175a8947ca16fe6a7c1088a53acf94c2fb45ee322d"`
Dec 19 22:09:09.925 INFO [stderr]     Checking rs2 v0.1.0 (/opt/crater/workdir)
Dec 19 22:09:10.104 INFO [stderr] warning: unused import: `self`
Dec 19 22:09:10.104 INFO [stderr]  --> src/nodes.rs:1:15
Dec 19 22:09:10.104 INFO [stderr]   |
Dec 19 22:09:10.104 INFO [stderr] 1 | use std::io::{self, BufReader};
Dec 19 22:09:10.104 INFO [stderr]   |               ^^^^
Dec 19 22:09:10.104 INFO [stderr]   |
Dec 19 22:09:10.104 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:09:10.104 INFO [stderr] 
Dec 19 22:09:10.104 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 22:09:10.104 INFO [stderr]  --> src/nodes.rs:3:5
Dec 19 22:09:10.104 INFO [stderr]   |
Dec 19 22:09:10.104 INFO [stderr] 3 | use std::fs::File;
Dec 19 22:09:10.104 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 22:09:10.104 INFO [stderr] 
Dec 19 22:09:10.137 INFO [stderr] warning: unused import: `self`
Dec 19 22:09:10.137 INFO [stderr]  --> src/nodes.rs:1:15
Dec 19 22:09:10.137 INFO [stderr]   |
Dec 19 22:09:10.137 INFO [stderr] 1 | use std::io::{self, BufReader};
Dec 19 22:09:10.137 INFO [stderr]   |               ^^^^
Dec 19 22:09:10.137 INFO [stderr]   |
Dec 19 22:09:10.137 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:09:10.137 INFO [stderr] 
Dec 19 22:09:10.137 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 22:09:10.137 INFO [stderr]  --> src/nodes.rs:3:5
Dec 19 22:09:10.137 INFO [stderr]   |
Dec 19 22:09:10.137 INFO [stderr] 3 | use std::fs::File;
Dec 19 22:09:10.137 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 22:09:10.137 INFO [stderr] 
Dec 19 22:09:10.167 INFO [stderr] warning: unused variable: `node`
Dec 19 22:09:10.167 INFO [stderr]   --> src/main.rs:24:6
Dec 19 22:09:10.167 INFO [stderr]    |
Dec 19 22:09:10.167 INFO [stderr] 24 |     let node = nodes::register_node();
Dec 19 22:09:10.167 INFO [stderr]    |         ^^^^ help: consider using `_node` instead
Dec 19 22:09:10.167 INFO [stderr]    |
Dec 19 22:09:10.167 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:09:10.167 INFO [stderr] 
Dec 19 22:09:10.180 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:09:10.180 INFO [stderr]   --> src/nodes.rs:16:9
Dec 19 22:09:10.180 INFO [stderr]    |
Dec 19 22:09:10.180 INFO [stderr] 16 |     let mut file_in = match OpenOptions::new().
Dec 19 22:09:10.180 INFO [stderr]    |         ----^^^^^^^
Dec 19 22:09:10.180 INFO [stderr]    |         |
Dec 19 22:09:10.180 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:09:10.180 INFO [stderr]    |
Dec 19 22:09:10.180 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:09:10.180 INFO [stderr] 
Dec 19 22:09:10.180 INFO [stderr] warning: variable `readLine` should have a snake case name such as `read_line`
Dec 19 22:09:10.180 INFO [stderr]   --> src/nodes.rs:30:6
Dec 19 22:09:10.180 INFO [stderr]    |
Dec 19 22:09:10.180 INFO [stderr] 30 |     let mut readLine = String::new();
Dec 19 22:09:10.180 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 19 22:09:10.180 INFO [stderr]    |
Dec 19 22:09:10.180 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 22:09:10.180 INFO [stderr] 
Dec 19 22:09:10.209 INFO [stderr] warning: unused variable: `node`
Dec 19 22:09:10.209 INFO [stderr]   --> src/main.rs:24:6
Dec 19 22:09:10.209 INFO [stderr]    |
Dec 19 22:09:10.209 INFO [stderr] 24 |     let node = nodes::register_node();
Dec 19 22:09:10.209 INFO [stderr]    |         ^^^^ help: consider using `_node` instead
Dec 19 22:09:10.209 INFO [stderr]    |
Dec 19 22:09:10.209 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:09:10.209 INFO [stderr] 
Dec 19 22:09:10.220 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:09:10.220 INFO [stderr]   --> src/nodes.rs:16:9
Dec 19 22:09:10.220 INFO [stderr]    |
Dec 19 22:09:10.220 INFO [stderr] 16 |     let mut file_in = match OpenOptions::new().
Dec 19 22:09:10.220 INFO [stderr]    |         ----^^^^^^^
Dec 19 22:09:10.220 INFO [stderr]    |         |
Dec 19 22:09:10.220 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:09:10.220 INFO [stderr]    |
Dec 19 22:09:10.220 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:09:10.220 INFO [stderr] 
Dec 19 22:09:10.220 INFO [stderr] warning: variable `readLine` should have a snake case name such as `read_line`
Dec 19 22:09:10.220 INFO [stderr]   --> src/nodes.rs:30:6
Dec 19 22:09:10.220 INFO [stderr]    |
Dec 19 22:09:10.220 INFO [stderr] 30 |     let mut readLine = String::new();
Dec 19 22:09:10.220 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 19 22:09:10.220 INFO [stderr]    |
Dec 19 22:09:10.220 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 22:09:10.220 INFO [stderr] 
Dec 19 22:09:10.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
Dec 19 22:09:10.576 INFO running `"docker" "inspect" "3ea4c4fdb106ac22318b77175a8947ca16fe6a7c1088a53acf94c2fb45ee322d"`
Dec 19 22:09:10.734 INFO running `"docker" "rm" "-f" "3ea4c4fdb106ac22318b77175a8947ca16fe6a7c1088a53acf94c2fb45ee322d"`
Dec 19 22:09:10.823 INFO [stdout] 3ea4c4fdb106ac22318b77175a8947ca16fe6a7c1088a53acf94c2fb45ee322d