[INFO] fetching crate cloup 0.2.0...
[INFO] checking cloup-0.2.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate cloup 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cloup 0.2.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cloup 0.2.0
[INFO] finished tweaking crates.io crate cloup 0.2.0
[INFO] tweaked toml for crates.io crate cloup 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cloup 0.2.0 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7584f899f652094acc3e2d300aaa82fe042c9ab9c3c294d08884dc4fab79405f
[INFO] running `Command { std: "docker" "start" "-a" "7584f899f652094acc3e2d300aaa82fe042c9ab9c3c294d08884dc4fab79405f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7584f899f652094acc3e2d300aaa82fe042c9ab9c3c294d08884dc4fab79405f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7584f899f652094acc3e2d300aaa82fe042c9ab9c3c294d08884dc4fab79405f", kill_on_drop: false }`
[INFO] [stdout] 7584f899f652094acc3e2d300aaa82fe042c9ab9c3c294d08884dc4fab79405f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e0aac4f08b417a29b0f86d7f87f6208a843f3666f143c09b6074232285cb28
[INFO] running `Command { std: "docker" "start" "-a" "71e0aac4f08b417a29b0f86d7f87f6208a843f3666f143c09b6074232285cb28", kill_on_drop: false }`
[INFO] [stderr]     Checking cloup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/toml/data.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Toml {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn delete(&mut self, key: &str) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> src/toml/lexer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 25 |     /// Source string to tokenize
[INFO] [stdout] 26 |     input: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `orange`, `on_red`, and `on_purple` are never used
[INFO] [stdout]  --> src/utils/color.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ColoredOutput {
[INFO] [stdout]   |           ------------- methods in this trait
[INFO] [stdout] 7 |     fn orange(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 8 |     fn on_red(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 9 |     fn on_purple(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/utils/config.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub version: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/toml/data.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Toml {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn delete(&mut self, key: &str) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> src/toml/lexer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 25 |     /// Source string to tokenize
[INFO] [stdout] 26 |     input: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `orange`, `on_red`, and `on_purple` are never used
[INFO] [stdout]  --> src/utils/color.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ColoredOutput {
[INFO] [stdout]   |           ------------- methods in this trait
[INFO] [stdout] 7 |     fn orange(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 8 |     fn on_red(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 9 |     fn on_purple(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/utils/config.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub version: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "71e0aac4f08b417a29b0f86d7f87f6208a843f3666f143c09b6074232285cb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e0aac4f08b417a29b0f86d7f87f6208a843f3666f143c09b6074232285cb28", kill_on_drop: false }`
[INFO] [stdout] 71e0aac4f08b417a29b0f86d7f87f6208a843f3666f143c09b6074232285cb28