[INFO] fetching crate cloup 0.2.0...
[INFO] checking cloup-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cloup 0.2.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cloup 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fccc7b1845621bb68fd780337e87c51c3076ed5984854c6d8be80a09f78f9c9
[INFO] running `Command { std: "docker" "start" "-a" "0fccc7b1845621bb68fd780337e87c51c3076ed5984854c6d8be80a09f78f9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fccc7b1845621bb68fd780337e87c51c3076ed5984854c6d8be80a09f78f9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fccc7b1845621bb68fd780337e87c51c3076ed5984854c6d8be80a09f78f9c9", kill_on_drop: false }`
[INFO] [stdout] 0fccc7b1845621bb68fd780337e87c51c3076ed5984854c6d8be80a09f78f9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cdd45e24fb4974a7a07f5a5da3830106e6b795abd8cacb6aaf9f3fe80548055
[INFO] running `Command { std: "docker" "start" "-a" "5cdd45e24fb4974a7a07f5a5da3830106e6b795abd8cacb6aaf9f3fe80548055", 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: constant `ESCAPE` is never used
[INFO] [stdout]  --> src/utils/color.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const ESCAPE: &str = "\x1b";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLEAR` is never used
[INFO] [stdout]  --> src/utils/color.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CLEAR: &str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColoredOutput` is never used
[INFO] [stdout]  --> src/utils/color.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ColoredOutput {
[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: 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: constant `ESCAPE` is never used
[INFO] [stdout]  --> src/utils/color.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const ESCAPE: &str = "\x1b";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLEAR` is never used
[INFO] [stdout]  --> src/utils/color.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CLEAR: &str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColoredOutput` is never used
[INFO] [stdout]  --> src/utils/color.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait ColoredOutput {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5cdd45e24fb4974a7a07f5a5da3830106e6b795abd8cacb6aaf9f3fe80548055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdd45e24fb4974a7a07f5a5da3830106e6b795abd8cacb6aaf9f3fe80548055", kill_on_drop: false }`
[INFO] [stdout] 5cdd45e24fb4974a7a07f5a5da3830106e6b795abd8cacb6aaf9f3fe80548055