[INFO] updating cached repository Rep2/RS_2_lab
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rep2/RS_2_lab
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rep2/RS_2_lab" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rep2/RS_2_lab"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rep2/RS_2_lab'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rep2/RS_2_lab" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Rep2/RS_2_lab"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Rep2/RS_2_lab'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04983c92873fb56da2b806ea7bd6b70e11178bc0
[INFO] sha for GitHub repo Rep2/RS_2_lab: 04983c92873fb56da2b806ea7bd6b70e11178bc0
[INFO] validating manifest of Rep2/RS_2_lab on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rep2/RS_2_lab on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Rep2/RS_2_lab
[INFO] finished frobbing Rep2/RS_2_lab
[INFO] frobbed toml for Rep2/RS_2_lab written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rep2/RS_2_lab/Cargo.toml
[INFO] started frobbing Rep2/RS_2_lab
[INFO] finished frobbing Rep2/RS_2_lab
[INFO] frobbed toml for Rep2/RS_2_lab written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Rep2/RS_2_lab/Cargo.toml
[INFO] crate Rep2/RS_2_lab already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Rep2/RS_2_lab against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-1/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Rep2/RS_2_lab:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 458c13b4d60f2d2a469d6695f2272a6b2e6a0a4eb2d96e14c2ebe8993fdc3503
[INFO] running `"docker" "start" "-a" "458c13b4d60f2d2a469d6695f2272a6b2e6a0a4eb2d96e14c2ebe8993fdc3503"`
[INFO] [stderr]     Checking rs2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/nodes.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/nodes.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/nodes.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/nodes.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/main.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let node = nodes::register_node();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/main.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let node = nodes::register_node();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nodes.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut file_in = match OpenOptions::new().
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `readLine` should have a snake case name
[INFO] [stderr]   --> src/nodes.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut readLine = String::new();
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `read_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nodes.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut file_in = match OpenOptions::new().
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `readLine` should have a snake case name
[INFO] [stderr]   --> src/nodes.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut readLine = String::new();
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `read_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "458c13b4d60f2d2a469d6695f2272a6b2e6a0a4eb2d96e14c2ebe8993fdc3503"`
[INFO] running `"docker" "rm" "-f" "458c13b4d60f2d2a469d6695f2272a6b2e6a0a4eb2d96e14c2ebe8993fdc3503"`
[INFO] [stdout] 458c13b4d60f2d2a469d6695f2272a6b2e6a0a4eb2d96e14c2ebe8993fdc3503