[INFO] cloning repository https://github.com/Umatriz/el
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Umatriz/el" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUmatriz%2Fel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUmatriz%2Fel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aab1e398a3665b73adc07a48a39c5c3d911e291
[INFO] checking Umatriz/el against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUmatriz%2Fel" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Umatriz/el
[INFO] finished tweaking git repo https://github.com/Umatriz/el
[INFO] tweaked toml for git repo https://github.com/Umatriz/el written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Umatriz/el on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Umatriz/el already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da4742dbc82350a5970a7645358fbf037772ad148fca6f3aaf691890f91254f4
[INFO] running `Command { std: "docker" "start" "-a" "da4742dbc82350a5970a7645358fbf037772ad148fca6f3aaf691890f91254f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da4742dbc82350a5970a7645358fbf037772ad148fca6f3aaf691890f91254f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4742dbc82350a5970a7645358fbf037772ad148fca6f3aaf691890f91254f4", kill_on_drop: false }`
[INFO] [stdout] da4742dbc82350a5970a7645358fbf037772ad148fca6f3aaf691890f91254f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ed5729665aff4e3fee9a759861d8d9ae94bba99c44ae67975bd28513e01eb4
[INFO] running `Command { std: "docker" "start" "-a" "a6ed5729665aff4e3fee9a759861d8d9ae94bba99c44ae67975bd28513e01eb4", kill_on_drop: false }`
[INFO] [stderr]     Checking el v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `stdin`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Read},
[INFO] [stdout]   |          ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `stdin`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Read},
[INFO] [stdout]   |          ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut chars = source.chars().map(String::from).collect::<Vec<String>>();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut chars = source.chars().map(String::from).collect::<Vec<String>>();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn run_file(path: impl AsRef<Path>) {}
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn error(line: u32, message: impl Into<String>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind`, `lexeme`, and `line` are never read
[INFO] [stdout]  --> src/tokens.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 2 |     kind: TokenKind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     lexeme: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     line: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn run_file(path: impl AsRef<Path>) {}
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn error(line: u32, message: impl Into<String>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind`, `lexeme`, and `line` are never read
[INFO] [stdout]  --> src/tokens.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 2 |     kind: TokenKind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     lexeme: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     line: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "a6ed5729665aff4e3fee9a759861d8d9ae94bba99c44ae67975bd28513e01eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ed5729665aff4e3fee9a759861d8d9ae94bba99c44ae67975bd28513e01eb4", kill_on_drop: false }`
[INFO] [stdout] a6ed5729665aff4e3fee9a759861d8d9ae94bba99c44ae67975bd28513e01eb4
