[INFO] cloning repository https://github.com/Verdex/skr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Verdex/skr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fskr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fskr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33027b34adb849ca7d7d9e62d35b9d6f3074cbd2
[INFO] checking Verdex/skr/33027b34adb849ca7d7d9e62d35b9d6f3074cbd2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fskr" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Verdex/skr on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Verdex/skr
[INFO] finished tweaking git repo https://github.com/Verdex/skr
[INFO] tweaked toml for git repo https://github.com/Verdex/skr written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Verdex/skr 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://www.github.com/verdex/dealize`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f19fdbdfa17021a38ca27aa35e79e5a26ec68de99898b60657eeec572af7227
[INFO] running `Command { std: "docker" "start" "-a" "2f19fdbdfa17021a38ca27aa35e79e5a26ec68de99898b60657eeec572af7227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f19fdbdfa17021a38ca27aa35e79e5a26ec68de99898b60657eeec572af7227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f19fdbdfa17021a38ca27aa35e79e5a26ec68de99898b60657eeec572af7227", kill_on_drop: false }`
[INFO] [stdout] 2f19fdbdfa17021a38ca27aa35e79e5a26ec68de99898b60657eeec572af7227
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18386e79c28889e59e505c001f95d9f14b8dd0ce0435579809eea2197201eb26
[INFO] running `Command { std: "docker" "start" "-a" "18386e79c28889e59e505c001f95d9f14b8dd0ce0435579809eea2197201eb26", kill_on_drop: false }`
[INFO] [stderr]     Checking dealize v0.6.0 (https://www.github.com/verdex/dealize?tag=release-0.6.0#62dc2007)
[INFO] [stderr]     Checking skr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/parsers/csharp.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parsers/csharp.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |             , vec![ Match::pred(|c, _| true) ]
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/parsers/csharp.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let r = rule();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parsers/csharp.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let input = input.chars().collect::<Vec<_>>();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CSharp` is never used
[INFO] [stdout]  --> src/parsers/csharp.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum CSharp {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CSharp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IR` is never used
[INFO] [stdout]   --> src/parsers/csharp.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum IR {
[INFO] [stdout]    |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TOP_RULE` is never used
[INFO] [stdout]   --> src/parsers/csharp.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | static mut TOP_RULE : Option<Rc<Rule<char, IR>>> = None;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rule` is never used
[INFO] [stdout]   --> src/parsers/csharp.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn rule() -> Rc<Rule<char, IR>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]    --> src/parsers/csharp.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn parse(input : &str) -> Result<Vec<CSharp>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parsers/csharp.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |             , vec![ Match::pred(|c, _| true) ]
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/parsers/csharp.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let r = rule();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parsers/csharp.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let input = input.chars().collect::<Vec<_>>();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CSharp` is never used
[INFO] [stdout]  --> src/parsers/csharp.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum CSharp {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CSharp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IR` is never used
[INFO] [stdout]   --> src/parsers/csharp.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum IR {
[INFO] [stdout]    |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TOP_RULE` is never used
[INFO] [stdout]   --> src/parsers/csharp.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | static mut TOP_RULE : Option<Rc<Rule<char, IR>>> = None;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rule` is never used
[INFO] [stdout]   --> src/parsers/csharp.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn rule() -> Rc<Rule<char, IR>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]    --> src/parsers/csharp.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn parse(input : &str) -> Result<Vec<CSharp>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "18386e79c28889e59e505c001f95d9f14b8dd0ce0435579809eea2197201eb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18386e79c28889e59e505c001f95d9f14b8dd0ce0435579809eea2197201eb26", kill_on_drop: false }`
[INFO] [stdout] 18386e79c28889e59e505c001f95d9f14b8dd0ce0435579809eea2197201eb26