[INFO] cloning repository https://github.com/bon-chi/cci_c
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fcci_c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f1c7ac6bb2ef266a9528f3bf632fb2635598882
[INFO] checking bon-chi/cci_c against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Fcci_c" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bon-chi/cci_c on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d302609a4f64e904d9b16f95211571bc235b644e1b2462ac7e829614fdb83951
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d302609a4f64e904d9b16f95211571bc235b644e1b2462ac7e829614fdb83951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d302609a4f64e904d9b16f95211571bc235b644e1b2462ac7e829614fdb83951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d302609a4f64e904d9b16f95211571bc235b644e1b2462ac7e829614fdb83951", kill_on_drop: false }`
[INFO] [stdout] d302609a4f64e904d9b16f95211571bc235b644e1b2462ac7e829614fdb83951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba62aa9f9846217b077dbae0ddfc7816ce7a461b7640683f9c324dd9337155fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba62aa9f9846217b077dbae0ddfc7816ce7a461b7640683f9c324dd9337155fe", kill_on_drop: false }`
[INFO] [stderr]     Checking cci_c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/cci/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/cci/token.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader, Read};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `END_KeyList` should have an upper camel case name
[INFO] [stdout]   --> src/cci/token.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     END_KeyList,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EndKeyList`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/cci/token.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenKind`
[INFO] [stdout]  --> src/cci/token.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum TokenKind {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Token`
[INFO] [stdout]   --> src/cci/token.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_token`
[INFO] [stdout]   --> src/cci/token.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/cci/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/cci/token.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader, Read};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `END_KeyList` should have an upper camel case name
[INFO] [stdout]   --> src/cci/token.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     END_KeyList,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EndKeyList`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/cci/token.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenKind`
[INFO] [stdout]  --> src/cci/token.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum TokenKind {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Token`
[INFO] [stdout]   --> src/cci/token.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_token`
[INFO] [stdout]   --> src/cci/token.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn next_token<T>(&mut self, file: BufReader<T>) {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "ba62aa9f9846217b077dbae0ddfc7816ce7a461b7640683f9c324dd9337155fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba62aa9f9846217b077dbae0ddfc7816ce7a461b7640683f9c324dd9337155fe", kill_on_drop: false }`
[INFO] [stdout] ba62aa9f9846217b077dbae0ddfc7816ce7a461b7640683f9c324dd9337155fe