[INFO] cloning repository https://github.com/bon-chi/cci_c
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bon-chi/cci_c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fcci_c"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fcci_c'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f1c7ac6bb2ef266a9528f3bf632fb2635598882
[INFO] checking bon-chi/cci_c against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fcci_c" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bon-chi/cci_c on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bon-chi/cci_c
[INFO] finished tweaking git repo https://github.com/bon-chi/cci_c
[INFO] tweaked toml for git repo https://github.com/bon-chi/cci_c written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bon-chi/cci_c already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2b56cdc2c4a343f3ae13a2c40bc1572cdd637b3c5feb1579336b1d1ec7f0e08
[INFO] running `"docker" "start" "-a" "c2b56cdc2c4a343f3ae13a2c40bc1572cdd637b3c5feb1579336b1d1ec7f0e08"`
[INFO] [stderr]     Checking cci_c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/cci/token.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/cci/token.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufReader, Read};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `END_KeyList` should have an upper camel case name
[INFO] [stderr]   --> src/cci/token.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     END_KeyList,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EndKeyList`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/cci/token.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stderr]    |                                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TokenKind`
[INFO] [stderr]  --> src/cci/token.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum TokenKind {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Token`
[INFO] [stderr]   --> src/cci/token.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | struct Token {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_token`
[INFO] [stderr]   --> src/cci/token.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/cci/token.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/cci/token.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufReader, Read};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `END_KeyList` should have an upper camel case name
[INFO] [stderr]   --> src/cci/token.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     END_KeyList,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EndKeyList`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/cci/token.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stderr]    |                                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TokenKind`
[INFO] [stderr]  --> src/cci/token.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum TokenKind {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Token`
[INFO] [stderr]   --> src/cci/token.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | struct Token {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_token`
[INFO] [stderr]   --> src/cci/token.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "c2b56cdc2c4a343f3ae13a2c40bc1572cdd637b3c5feb1579336b1d1ec7f0e08"`
[INFO] running `"docker" "rm" "-f" "c2b56cdc2c4a343f3ae13a2c40bc1572cdd637b3c5feb1579336b1d1ec7f0e08"`
[INFO] [stdout] c2b56cdc2c4a343f3ae13a2c40bc1572cdd637b3c5feb1579336b1d1ec7f0e08