Dec 05 00:23:49.846 INFO checking Rep2/RS_2_lab against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:23:49.846 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 00:23:50.257 INFO [stdout] c4f2b726ed11939a682cedcaa7b524dec33c337d2a373cf3410f5a48720c06ec
Dec 05 00:23:50.261 INFO running `"docker" "start" "-a" "c4f2b726ed11939a682cedcaa7b524dec33c337d2a373cf3410f5a48720c06ec"`
Dec 05 00:23:51.250 INFO [stderr] usermod: no changes
Dec 05 00:23:51.286 INFO [stderr]     Checking rs2 v0.1.0 (/source)
Dec 05 00:23:51.620 INFO [stderr] warning: unused import: `self`
Dec 05 00:23:51.620 INFO [stderr]  --> src/nodes.rs:1:15
Dec 05 00:23:51.620 INFO [stderr]   |
Dec 05 00:23:51.620 INFO [stderr] 1 | use std::io::{self, BufReader};
Dec 05 00:23:51.620 INFO [stderr]   |               ^^^^
Dec 05 00:23:51.620 INFO [stderr]   |
Dec 05 00:23:51.620 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:23:51.620 INFO [stderr] 
Dec 05 00:23:51.620 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:23:51.620 INFO [stderr]  --> src/nodes.rs:3:5
Dec 05 00:23:51.620 INFO [stderr]   |
Dec 05 00:23:51.620 INFO [stderr] 3 | use std::fs::File;
Dec 05 00:23:51.620 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:23:51.620 INFO [stderr] 
Dec 05 00:23:51.697 INFO [stderr] warning: unused variable: `node`
Dec 05 00:23:51.697 INFO [stderr]   --> src/main.rs:24:6
Dec 05 00:23:51.697 INFO [stderr]    |
Dec 05 00:23:51.697 INFO [stderr] 24 |     let node = nodes::register_node();
Dec 05 00:23:51.697 INFO [stderr]    |         ^^^^ help: consider using `_node` instead
Dec 05 00:23:51.697 INFO [stderr]    |
Dec 05 00:23:51.697 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:23:51.697 INFO [stderr] 
Dec 05 00:23:51.708 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:23:51.708 INFO [stderr]   --> src/nodes.rs:16:9
Dec 05 00:23:51.708 INFO [stderr]    |
Dec 05 00:23:51.708 INFO [stderr] 16 |     let mut file_in = match OpenOptions::new().
Dec 05 00:23:51.708 INFO [stderr]    |         ----^^^^^^^
Dec 05 00:23:51.709 INFO [stderr]    |         |
Dec 05 00:23:51.709 INFO [stderr]    |         help: remove this `mut`
Dec 05 00:23:51.709 INFO [stderr]    |
Dec 05 00:23:51.709 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:23:51.709 INFO [stderr] 
Dec 05 00:23:51.709 INFO [stderr] warning: variable `readLine` should have a snake case name such as `read_line`
Dec 05 00:23:51.709 INFO [stderr]   --> src/nodes.rs:30:6
Dec 05 00:23:51.709 INFO [stderr]    |
Dec 05 00:23:51.709 INFO [stderr] 30 |     let mut readLine = String::new();
Dec 05 00:23:51.709 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 05 00:23:51.709 INFO [stderr]    |
Dec 05 00:23:51.709 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 00:23:51.709 INFO [stderr] 
Dec 05 00:23:51.795 INFO [stderr] warning: unused import: `self`
Dec 05 00:23:51.795 INFO [stderr]  --> src/nodes.rs:1:15
Dec 05 00:23:51.795 INFO [stderr]   |
Dec 05 00:23:51.795 INFO [stderr] 1 | use std::io::{self, BufReader};
Dec 05 00:23:51.795 INFO [stderr]   |               ^^^^
Dec 05 00:23:51.795 INFO [stderr]   |
Dec 05 00:23:51.795 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:23:51.795 INFO [stderr] 
Dec 05 00:23:51.795 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:23:51.795 INFO [stderr]  --> src/nodes.rs:3:5
Dec 05 00:23:51.795 INFO [stderr]   |
Dec 05 00:23:51.795 INFO [stderr] 3 | use std::fs::File;
Dec 05 00:23:51.795 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:23:51.795 INFO [stderr] 
Dec 05 00:23:51.875 INFO [stderr] warning: unused variable: `node`
Dec 05 00:23:51.875 INFO [stderr]   --> src/main.rs:24:6
Dec 05 00:23:51.875 INFO [stderr]    |
Dec 05 00:23:51.875 INFO [stderr] 24 |     let node = nodes::register_node();
Dec 05 00:23:51.875 INFO [stderr]    |         ^^^^ help: consider using `_node` instead
Dec 05 00:23:51.875 INFO [stderr]    |
Dec 05 00:23:51.875 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:23:51.875 INFO [stderr] 
Dec 05 00:23:51.879 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:23:51.879 INFO [stderr]   --> src/nodes.rs:16:9
Dec 05 00:23:51.879 INFO [stderr]    |
Dec 05 00:23:51.879 INFO [stderr] 16 |     let mut file_in = match OpenOptions::new().
Dec 05 00:23:51.879 INFO [stderr]    |         ----^^^^^^^
Dec 05 00:23:51.879 INFO [stderr]    |         |
Dec 05 00:23:51.879 INFO [stderr]    |         help: remove this `mut`
Dec 05 00:23:51.879 INFO [stderr]    |
Dec 05 00:23:51.879 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:23:51.879 INFO [stderr] 
Dec 05 00:23:51.879 INFO [stderr] warning: variable `readLine` should have a snake case name such as `read_line`
Dec 05 00:23:51.879 INFO [stderr]   --> src/nodes.rs:30:6
Dec 05 00:23:51.879 INFO [stderr]    |
Dec 05 00:23:51.879 INFO [stderr] 30 |     let mut readLine = String::new();
Dec 05 00:23:51.879 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 05 00:23:51.879 INFO [stderr]    |
Dec 05 00:23:51.879 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 05 00:23:51.879 INFO [stderr] 
Dec 05 00:23:51.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 05 00:23:51.919 INFO [stderr] su: No module specific data is present
Dec 05 00:23:52.268 INFO running `"docker" "inspect" "c4f2b726ed11939a682cedcaa7b524dec33c337d2a373cf3410f5a48720c06ec"`
Dec 05 00:23:52.477 INFO running `"docker" "rm" "-f" "c4f2b726ed11939a682cedcaa7b524dec33c337d2a373cf3410f5a48720c06ec"`
Dec 05 00:23:52.841 INFO [stdout] c4f2b726ed11939a682cedcaa7b524dec33c337d2a373cf3410f5a48720c06ec