[INFO] fetching crate code0-cli 0.0.8...
[INFO] checking code0-cli-0.0.8 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate code0-cli 0.0.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate code0-cli 0.0.8
[INFO] finished tweaking crates.io crate code0-cli 0.0.8
[INFO] tweaked toml for crates.io crate code0-cli 0.0.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate code0-cli 0.0.8 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate code0-cli 0.0.8 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stdout] ac5181219a9f9591cd5821da46d9676fb60be2225507c8870dba9047cb999d57
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[INFO] running `Command { std: "docker" "rm" "-f" "ac5181219a9f9591cd5821da46d9676fb60be2225507c8870dba9047cb999d57", kill_on_drop: false }`
[INFO] [stdout] ac5181219a9f9591cd5821da46d9676fb60be2225507c8870dba9047cb999d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/analyser/core.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct AnalysableFunction {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub id: i16,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnalysableFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_function` is never used
[INFO] [stdout]   --> src/analyser/index_identifier.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl IdentifierIndex {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn has_function(&self, name: &str, except: Option<i16>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_highlight` is never used
[INFO] [stdout]   --> src/formatter.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn error_highlight(highlight: String, string: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/analyser/core.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct AnalysableFunction {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub id: i16,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AnalysableFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_function` is never used
[INFO] [stdout]   --> src/analyser/index_identifier.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl IdentifierIndex {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn has_function(&self, name: &str, except: Option<i16>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_highlight` is never used
[INFO] [stdout]   --> src/formatter.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn error_highlight(highlight: String, string: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.50s
[INFO] running `Command { std: "docker" "inspect" "a48b41e80c31552767662fbfee4cfd162f2f876cab18910b9041b6e17b7e5734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48b41e80c31552767662fbfee4cfd162f2f876cab18910b9041b6e17b7e5734", kill_on_drop: false }`
[INFO] [stdout] a48b41e80c31552767662fbfee4cfd162f2f876cab18910b9041b6e17b7e5734