[INFO] cloning repository https://github.com/Bravo555/math-parser-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bravo555/math-parser-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fmath-parser-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fmath-parser-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef85e5538ba640f786a5ac503aef91892f2d6a0b [INFO] checking Bravo555/math-parser-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fmath-parser-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bravo555/math-parser-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Bravo555/math-parser-rs [INFO] finished tweaking git repo https://github.com/Bravo555/math-parser-rs [INFO] tweaked toml for git repo https://github.com/Bravo555/math-parser-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Bravo555/math-parser-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a958c24519b3f9bc52e67f604689f58b20ae1418710ad4f58d793206d515978 [INFO] running `Command { std: "docker" "start" "-a" "5a958c24519b3f9bc52e67f604689f58b20ae1418710ad4f58d793206d515978", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a958c24519b3f9bc52e67f604689f58b20ae1418710ad4f58d793206d515978", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a958c24519b3f9bc52e67f604689f58b20ae1418710ad4f58d793206d515978", kill_on_drop: false }` [INFO] [stdout] 5a958c24519b3f9bc52e67f604689f58b20ae1418710ad4f58d793206d515978 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5312d412b1c3fae22d6dc09cdeb58b65f6400fccb31504bdda7b2bbedb48ead7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5312d412b1c3fae22d6dc09cdeb58b65f6400fccb31504bdda7b2bbedb48ead7", kill_on_drop: false }` [INFO] [stderr] Checking math-parser-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/token.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/token.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(text: &str) -> Tokens { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> src/token.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | fn parse_token(text: &str) -> Option<(Token, &str)> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/token.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(text: &str) -> Tokens { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "5312d412b1c3fae22d6dc09cdeb58b65f6400fccb31504bdda7b2bbedb48ead7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5312d412b1c3fae22d6dc09cdeb58b65f6400fccb31504bdda7b2bbedb48ead7", kill_on_drop: false }` [INFO] [stdout] 5312d412b1c3fae22d6dc09cdeb58b65f6400fccb31504bdda7b2bbedb48ead7