[INFO] cloning repository https://github.com/ZacharyHerfkens/expression_solver_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZacharyHerfkens/expression_solver_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZacharyHerfkens%2Fexpression_solver_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZacharyHerfkens%2Fexpression_solver_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5407bcfc423d1701f7fec730979c195a1f350f52 [INFO] checking ZacharyHerfkens/expression_solver_rust against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZacharyHerfkens%2Fexpression_solver_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZacharyHerfkens/expression_solver_rust on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZacharyHerfkens/expression_solver_rust [INFO] finished tweaking git repo https://github.com/ZacharyHerfkens/expression_solver_rust [INFO] tweaked toml for git repo https://github.com/ZacharyHerfkens/expression_solver_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ZacharyHerfkens/expression_solver_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 5575193056ea90566a60157b4ec011987bededd6276a02e3d8b6ec3b61d2e8bc [INFO] running `Command { std: "docker" "start" "-a" "5575193056ea90566a60157b4ec011987bededd6276a02e3d8b6ec3b61d2e8bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5575193056ea90566a60157b4ec011987bededd6276a02e3d8b6ec3b61d2e8bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5575193056ea90566a60157b4ec011987bededd6276a02e3d8b6ec3b61d2e8bc", kill_on_drop: false }` [INFO] [stdout] 5575193056ea90566a60157b4ec011987bededd6276a02e3d8b6ec3b61d2e8bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 358ee4541a0831b1a24a203482e1c2dfc83ef40af936998668059a40d56e024f [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" "358ee4541a0831b1a24a203482e1c2dfc83ef40af936998668059a40d56e024f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking expression_solver_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `tokens` [INFO] [stdout] --> src/solver.rs:12:49 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn solve<'a, K: Iterator>>(tokens: &mut Peekable) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mul` [INFO] [stdout] --> src/solver.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Mul, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Div` [INFO] [stdout] --> src/solver.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/solver.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sub` [INFO] [stdout] --> src/solver.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_operator` [INFO] [stdout] --> src/solver.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn match_operator(tokens: &mut Tokenizer) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_number` [INFO] [stdout] --> src/solver.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn match_number(tokens: &mut Tokenizer) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tokens` [INFO] [stdout] --> src/solver.rs:12:49 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn solve<'a, K: Iterator>>(tokens: &mut Peekable) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mul` [INFO] [stdout] --> src/solver.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Mul, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Div` [INFO] [stdout] --> src/solver.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/solver.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sub` [INFO] [stdout] --> src/solver.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_operator` [INFO] [stdout] --> src/solver.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn match_operator(tokens: &mut Tokenizer) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_number` [INFO] [stdout] --> src/solver.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn match_number(tokens: &mut Tokenizer) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.80s [INFO] running `Command { std: "docker" "inspect" "358ee4541a0831b1a24a203482e1c2dfc83ef40af936998668059a40d56e024f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "358ee4541a0831b1a24a203482e1c2dfc83ef40af936998668059a40d56e024f", kill_on_drop: false }` [INFO] [stdout] 358ee4541a0831b1a24a203482e1c2dfc83ef40af936998668059a40d56e024f