[INFO] updating cached repository https://github.com/hasanhaja/expression-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 263a2af51df33cb5ed9c3d03eb5f0a438c3be0ed [INFO] testing hasanhaja/expression-rs against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs" "/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/hasanhaja/expression-rs on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/expression-rs [INFO] finished tweaking git repo https://github.com/hasanhaja/expression-rs [INFO] tweaked toml for git repo https://github.com/hasanhaja/expression-rs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/expression-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4194c6fbfcc9cdeff8f620672acfc76ffb54000ad79e9e7d6687a2d8b980993 [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" "f4194c6fbfcc9cdeff8f620672acfc76ffb54000ad79e9e7d6687a2d8b980993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4194c6fbfcc9cdeff8f620672acfc76ffb54000ad79e9e7d6687a2d8b980993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4194c6fbfcc9cdeff8f620672acfc76ffb54000ad79e9e7d6687a2d8b980993", kill_on_drop: false }` [INFO] [stdout] f4194c6fbfcc9cdeff8f620672acfc76ffb54000ad79e9e7d6687a2d8b980993 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 711ded527889734fcd0013242cf3b6200652b57a8ea2485552981b454aaf69ce [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" "711ded527889734fcd0013242cf3b6200652b57a8ea2485552981b454aaf69ce", kill_on_drop: false }` [INFO] [stderr] Compiling expression-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `resultant` [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | let op: Token; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last` [INFO] [stdout] --> src/main.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let last = polish_tokens.last().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:230:34 [INFO] [stdout] | [INFO] [stdout] 230 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:256:34 [INFO] [stdout] | [INFO] [stdout] 256 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let mut tokens: Vec = chars.iter() [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/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_parens` [INFO] [stdout] --> src/main.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | fn insert_parens(tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_polish` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn into_polish(char_tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_operator` [INFO] [stdout] --> src/main.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 142 | fn is_operator(token: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `polish_to_expr` [INFO] [stdout] --> src/main.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn polish_to_expr(polish_tokens: Vec) -> Expr { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_expr` [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn build_expr(&self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval_expr` [INFO] [stdout] --> src/main.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | fn eval_expr(expr: Expr) -> f64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval` [INFO] [stdout] --> src/main.rs:289:8 [INFO] [stdout] | [INFO] [stdout] 289 | fn eval(&self) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:198:19 [INFO] [stdout] | [INFO] [stdout] 198 | Expr {value: value, left: Some(left_expr), right: Some(right_expr) } => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:225:19 [INFO] [stdout] | [INFO] [stdout] 225 | Expr {value: value, left: None, right: Some(right_expr)} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:252:19 [INFO] [stdout] | [INFO] [stdout] 252 | Expr {value: value, left: Some(left_expr), right: None} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "711ded527889734fcd0013242cf3b6200652b57a8ea2485552981b454aaf69ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "711ded527889734fcd0013242cf3b6200652b57a8ea2485552981b454aaf69ce", kill_on_drop: false }` [INFO] [stdout] 711ded527889734fcd0013242cf3b6200652b57a8ea2485552981b454aaf69ce [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 4b3328526c121c83835051196da3870039240f03599514543242c9113c550f80 [INFO] running `Command { std: "docker" "start" "-a" "4b3328526c121c83835051196da3870039240f03599514543242c9113c550f80", kill_on_drop: false }` [INFO] [stderr] Compiling expression-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 442 | / /// The tree is built to represent this: 1 + (2 * 3) + 4 [INFO] [stdout] 443 | | /// However, an alternative structure would be 1 + 4 + (2 * 3) [INFO] [stdout] 444 | | /// and the tree does not handle that [INFO] [stdout] | |_____________________________________________^ [INFO] [stdout] 445 | / let l_left = Expr { [INFO] [stdout] 446 | | value: Token::Value(1f64), [INFO] [stdout] 447 | | left: None, [INFO] [stdout] 448 | | right: None, [INFO] [stdout] 449 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resultant` [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | let op: Token; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last` [INFO] [stdout] --> src/main.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let last = polish_tokens.last().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:230:34 [INFO] [stdout] | [INFO] [stdout] 230 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:256:34 [INFO] [stdout] | [INFO] [stdout] 256 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let mut tokens: Vec = chars.iter() [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/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_parens` [INFO] [stdout] --> src/main.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | fn insert_parens(tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_polish` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn into_polish(char_tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_operator` [INFO] [stdout] --> src/main.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 142 | fn is_operator(token: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `polish_to_expr` [INFO] [stdout] --> src/main.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn polish_to_expr(polish_tokens: Vec) -> Expr { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_expr` [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn build_expr(&self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval` [INFO] [stdout] --> src/main.rs:289:8 [INFO] [stdout] | [INFO] [stdout] 289 | fn eval(&self) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:198:19 [INFO] [stdout] | [INFO] [stdout] 198 | Expr {value: value, left: Some(left_expr), right: Some(right_expr) } => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:225:19 [INFO] [stdout] | [INFO] [stdout] 225 | Expr {value: value, left: None, right: Some(right_expr)} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:252:19 [INFO] [stdout] | [INFO] [stdout] 252 | Expr {value: value, left: Some(left_expr), right: None} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "4b3328526c121c83835051196da3870039240f03599514543242c9113c550f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b3328526c121c83835051196da3870039240f03599514543242c9113c550f80", kill_on_drop: false }` [INFO] [stdout] 4b3328526c121c83835051196da3870039240f03599514543242c9113c550f80 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c75d546fbfa496ced9c8af697a80a7f2663e498f5cf319503229e40df86d815 [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" "9c75d546fbfa496ced9c8af697a80a7f2663e498f5cf319503229e40df86d815", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:442:9 [INFO] [stderr] | [INFO] [stderr] 442 | / /// The tree is built to represent this: 1 + (2 * 3) + 4 [INFO] [stderr] 443 | | /// However, an alternative structure would be 1 + 4 + (2 * 3) [INFO] [stderr] 444 | | /// and the tree does not handle that [INFO] [stderr] | |_____________________________________________^ [INFO] [stderr] 445 | / let l_left = Expr { [INFO] [stderr] 446 | | value: Token::Value(1f64), [INFO] [stderr] 447 | | left: None, [INFO] [stderr] 448 | | right: None, [INFO] [stderr] 449 | | }; [INFO] [stderr] | |__________- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resultant` [INFO] [stderr] --> src/main.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `op` [INFO] [stderr] --> src/main.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | let op: Token; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last` [INFO] [stderr] --> src/main.rs:162:13 [INFO] [stderr] | [INFO] [stderr] 162 | let last = polish_tokens.last().unwrap(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:204:34 [INFO] [stderr] | [INFO] [stderr] 204 | Token::Value(num) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:230:34 [INFO] [stderr] | [INFO] [stderr] 230 | Token::Value(num) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:256:34 [INFO] [stderr] | [INFO] [stderr] 256 | Token::Value(num) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | let mut tokens: Vec = chars.iter() [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `insert_parens` [INFO] [stderr] --> src/main.rs:105:8 [INFO] [stderr] | [INFO] [stderr] 105 | fn insert_parens(tokens: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_polish` [INFO] [stderr] --> src/main.rs:127:8 [INFO] [stderr] | [INFO] [stderr] 127 | fn into_polish(char_tokens: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_operator` [INFO] [stderr] --> src/main.rs:142:8 [INFO] [stderr] | [INFO] [stderr] 142 | fn is_operator(token: &char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `polish_to_expr` [INFO] [stderr] --> src/main.rs:151:8 [INFO] [stderr] | [INFO] [stderr] 151 | fn polish_to_expr(polish_tokens: Vec) -> Expr { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `build_expr` [INFO] [stderr] --> src/main.rs:186:8 [INFO] [stderr] | [INFO] [stderr] 186 | fn build_expr(&self) -> Expr { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `eval` [INFO] [stderr] --> src/main.rs:289:8 [INFO] [stderr] | [INFO] [stderr] 289 | fn eval(&self) -> f64 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `value:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:198:19 [INFO] [stderr] | [INFO] [stderr] 198 | Expr {value: value, left: Some(left_expr), right: Some(right_expr) } => { [INFO] [stderr] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `value:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:225:19 [INFO] [stderr] | [INFO] [stderr] 225 | Expr {value: value, left: None, right: Some(right_expr)} => { [INFO] [stderr] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stderr] [INFO] [stderr] warning: the `value:` in this pattern is redundant [INFO] [stderr] --> src/main.rs:252:19 [INFO] [stderr] | [INFO] [stderr] 252 | Expr {value: value, left: Some(left_expr), right: None} => { [INFO] [stderr] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/expression_rs-03e1b23b90378a32 [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::eval_expr_with_just_value ... ok [INFO] [stdout] test tests::tokenize_string_to_vector_of_string ... ok [INFO] [stdout] test tests::tokenize_string_to_vector_of_chars ... ok [INFO] [stdout] test tests::extract_char_without_spaces ... ok [INFO] [stdout] test tests::eval_expr_with_simple_add ... ok [INFO] [stdout] test tests::eval_expr_with_complex_mult ... ok [INFO] [stdout] test tests::eval_expr_with_nested_add ... ok [INFO] [stdout] test tests::eval_expr_with_simple_mult ... ok [INFO] [stdout] test tests::eval_expr_with_nested_mult ... ok [INFO] [stdout] test tests::extract_char_with_spaces ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::extract_char_with_spaces stdout ---- [INFO] [stdout] thread 'tests::extract_char_with_spaces' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `3`, [INFO] [stdout] right: `4`', src/main.rs:326:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x556b6195ac45 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x556b6195ac45 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x556b6195ac45 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x556b6195ac45 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x556b619828ac - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x556b6190f7b5 - std::io::Write::write_fmt::hd8ff364c7845d2d0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x556b61955311 - std::io::impls::>::write_fmt::h1c057ef6e8762996 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x556b6195d3a0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x556b6195d3a0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x556b6195d3a0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x556b6195d09a - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x556b6195d9e3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x556b6195d5db - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x556b6195d54b - std::panicking::begin_panic_fmt::h2ff295231415d4a6 [INFO] [stdout] at src/libstd/panicking.rs:391 [INFO] [stdout] 14: 0x556b618ff4c5 - expression_rs::tests::extract_char_with_spaces::h1d21f3b7a13e7eb1 [INFO] [stdout] at src/main.rs:326 [INFO] [stdout] 15: 0x556b618ff25a - expression_rs::tests::extract_char_with_spaces::{{closure}}::hf29ea52dd18c6f46 [INFO] [stdout] at src/main.rs:322 [INFO] [stdout] 16: 0x556b6190554e - core::ops::function::FnOnce::call_once::h8d917e69ba471966 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 17: 0x556b61936d2c - as core::ops::function::FnOnce>::call_once::h42148c33ed88c979 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 18: 0x556b61936d2c - as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x556b61936d2c - std::panicking::try::do_call::h676ad1fc9e9badea [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 20: 0x556b61936d2c - std::panicking::try::hee36a8727a3050b0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 21: 0x556b61936d2c - std::panic::catch_unwind::hd5d426ebd89b2542 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x556b61936d2c - test::run_test_in_process::h8dacdba4dc4cbaa5 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x556b61936d2c - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x556b6190eca6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x556b61913d35 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x556b61913d35 - as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x556b61913d35 - std::panicking::try::do_call::hec0b4d2faa46fbf7 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 28: 0x556b61913d35 - std::panicking::try::h0144ba3f2539803d [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 29: 0x556b61913d35 - std::panic::catch_unwind::ha03e59eb589f857b [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x556b61913d35 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x556b61913d35 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 32: 0x556b61963baa - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 33: 0x556b61963baa - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 34: 0x556b61963baa - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7f93b315f609 - start_thread [INFO] [stdout] 36: 0x7f93b306b103 - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::extract_char_with_spaces [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin expression-rs' [INFO] running `Command { std: "docker" "inspect" "9c75d546fbfa496ced9c8af697a80a7f2663e498f5cf319503229e40df86d815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c75d546fbfa496ced9c8af697a80a7f2663e498f5cf319503229e40df86d815", kill_on_drop: false }` [INFO] [stdout] 9c75d546fbfa496ced9c8af697a80a7f2663e498f5cf319503229e40df86d815