[INFO] cloning repository https://github.com/NikitaSmall/rust_rpn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikitaSmall/rust_rpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikitaSmall%2Frust_rpn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikitaSmall%2Frust_rpn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34a83739d911b80bb25319db4149fbd4084660a3 [INFO] checking NikitaSmall/rust_rpn against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikitaSmall%2Frust_rpn" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NikitaSmall/rust_rpn on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NikitaSmall/rust_rpn [INFO] finished tweaking git repo https://github.com/NikitaSmall/rust_rpn [INFO] tweaked toml for git repo https://github.com/NikitaSmall/rust_rpn written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/NikitaSmall/rust_rpn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 266884a3cf2a0948c2dd9bf181de0ffc7e2b8c5ee361c1e4bc65826f70feb4ec [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" "266884a3cf2a0948c2dd9bf181de0ffc7e2b8c5ee361c1e4bc65826f70feb4ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "266884a3cf2a0948c2dd9bf181de0ffc7e2b8c5ee361c1e4bc65826f70feb4ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "266884a3cf2a0948c2dd9bf181de0ffc7e2b8c5ee361c1e4bc65826f70feb4ec", kill_on_drop: false }` [INFO] [stdout] 266884a3cf2a0948c2dd9bf181de0ffc7e2b8c5ee361c1e4bc65826f70feb4ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbfbad999c51f5fd53cdbe4401905ffca4c39fc3f54a54f2d069fd1fcd85f510 [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" "cbfbad999c51f5fd53cdbe4401905ffca4c39fc3f54a54f2d069fd1fcd85f510", kill_on_drop: false }` [INFO] [stderr] Checking rpn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/converter.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut converter = Converter::convert(example_string); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/converter.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | let mut converter = Converter::convert(example_string); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `raw` [INFO] [stdout] --> src/converter.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | raw: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `prededence` [INFO] [stdout] --> src/converter.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | prededence: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `convert` [INFO] [stdout] --> src/converter.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn convert(raw: String) -> Converter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `process` [INFO] [stdout] --> src/converter.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn process(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "cbfbad999c51f5fd53cdbe4401905ffca4c39fc3f54a54f2d069fd1fcd85f510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbfbad999c51f5fd53cdbe4401905ffca4c39fc3f54a54f2d069fd1fcd85f510", kill_on_drop: false }` [INFO] [stdout] cbfbad999c51f5fd53cdbe4401905ffca4c39fc3f54a54f2d069fd1fcd85f510