[INFO] cloning 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" "clone" "--bare" "https://github.com/hasanhaja/expression-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 263a2af51df33cb5ed9c3d03eb5f0a438c3be0ed
[INFO] testing hasanhaja/expression-rs against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hasanhaja/expression-rs on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hasanhaja/expression-rs 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28eca176714f532d295f0bdf8f121756b08b3accc0c8b6814a6668a8c4a17965
[INFO] running `Command { std: "docker" "start" "-a" "28eca176714f532d295f0bdf8f121756b08b3accc0c8b6814a6668a8c4a17965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28eca176714f532d295f0bdf8f121756b08b3accc0c8b6814a6668a8c4a17965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28eca176714f532d295f0bdf8f121756b08b3accc0c8b6814a6668a8c4a17965", kill_on_drop: false }`
[INFO] [stdout] 28eca176714f532d295f0bdf8f121756b08b3accc0c8b6814a6668a8c4a17965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4310655ce8a88b492a923bc933fde307b54211faed152e712757170171029917
[INFO] running `Command { std: "docker" "start" "-a" "4310655ce8a88b492a923bc933fde307b54211faed152e712757170171029917", kill_on_drop: false }`
[INFO] [stderr]    Compiling expression-rs v0.1.0 (/opt/rustwide/workdir)
[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<Token> = chars.iter()
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) 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<Token> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[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<Token> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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: struct `Expr` is never constructed
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Expr {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/main.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl Evaluator {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn insert_parens(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn into_polish(char_tokens: Vec<char>) -> Vec<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn is_operator(token: &char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn polish_to_expr(polish_tokens: Vec<char>) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     fn build_expr(&self) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     fn eval_expr(expr: Expr) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "4310655ce8a88b492a923bc933fde307b54211faed152e712757170171029917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4310655ce8a88b492a923bc933fde307b54211faed152e712757170171029917", kill_on_drop: false }`
[INFO] [stdout] 4310655ce8a88b492a923bc933fde307b54211faed152e712757170171029917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44e769cc5caa0e54bd9d86d5b8516aa25c65e26eefc79ac663adc33d8e0ae12
[INFO] running `Command { std: "docker" "start" "-a" "d44e769cc5caa0e54bd9d86d5b8516aa25c65e26eefc79ac663adc33d8e0ae12", 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]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[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<Token> = chars.iter()
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) 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<Token> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[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<Token> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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: associated items `insert_parens`, `into_polish`, `is_operator`, `polish_to_expr`, `build_expr`, and `eval` are never used
[INFO] [stdout]    --> src/main.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl Evaluator {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn insert_parens(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn into_polish(char_tokens: Vec<char>) -> Vec<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn is_operator(token: &char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn polish_to_expr(polish_tokens: Vec<char>) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     fn build_expr(&self) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 289 |     fn eval(&self) -> f64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d44e769cc5caa0e54bd9d86d5b8516aa25c65e26eefc79ac663adc33d8e0ae12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44e769cc5caa0e54bd9d86d5b8516aa25c65e26eefc79ac663adc33d8e0ae12", kill_on_drop: false }`
[INFO] [stdout] d44e769cc5caa0e54bd9d86d5b8516aa25c65e26eefc79ac663adc33d8e0ae12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c570ef715387f83cae627166216ab27b7307fe938586bc936a75945e59a18e89
[INFO] running `Command { std: "docker" "start" "-a" "c570ef715387f83cae627166216ab27b7307fe938586bc936a75945e59a18e89", 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]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[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<Token> = chars.iter()
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) 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<Token> = Vec::new();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resultant`
[INFO] [stderr]    --> src/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut resultant: Vec<Token> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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: associated items `insert_parens`, `into_polish`, `is_operator`, `polish_to_expr`, `build_expr`, and `eval` are never used
[INFO] [stderr]    --> src/main.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr]  29 | impl Evaluator {
[INFO] [stderr]     | -------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 105 |     fn insert_parens(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 127 |     fn into_polish(char_tokens: Vec<char>) -> Vec<char> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |     fn is_operator(token: &char) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |     fn polish_to_expr(polish_tokens: Vec<char>) -> Expr {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 |     fn build_expr(&self) -> Expr {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 289 |     fn eval(&self) -> f64 {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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: `expression-rs` (bin "expression-rs" test) generated 13 warnings (run `cargo fix --bin "expression-rs" -p expression-rs --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/expression_rs-ca9276b3338c77b3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[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_add ... ok
[INFO] [stdout] test tests::eval_expr_with_nested_mult ... ok
[INFO] [stdout] test tests::eval_expr_with_simple_mult ... ok
[INFO] [stdout] test tests::extract_char_without_spaces ... ok
[INFO] [stdout] test tests::tokenize_string_to_vector_of_chars ... ok
[INFO] [stdout] test tests::tokenize_string_to_vector_of_string ... ok
[INFO] [stdout] test tests::eval_expr_with_just_value ... 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] 
[INFO] [stdout] thread 'tests::extract_char_with_spaces' (31) panicked at src/main.rs:326:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 3
[INFO] [stdout]  right: 4
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62528ba116f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62528ba116f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62528ba116f2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x62528ba116f2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62528ba2634a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62528ba2634a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x62528ba16526 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62528ba16526 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x62528b9efbbf - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x62528b9efbbf - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x62528ba099d9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x62528b9a52de - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x62528b9a52de - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62528ba09b92 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x62528ba09b92 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x62528b9efc78 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x62528b9e7649 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x62528b9f0acd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x62528ba26a1c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x62528ba268d3 - core[c5ed12ab89cc536a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x62528ba229b8 - core[c5ed12ab89cc536a]::panicking::assert_failed::<usize, usize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x62528b994cd9 - expression_rs[ba8f5394500920d8]::tests::extract_char_with_spaces
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:326:9
[INFO] [stdout]   22:     0x62528b993397 - expression_rs[ba8f5394500920d8]::tests::extract_char_with_spaces::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:322:34
[INFO] [stdout]   23:     0x62528b9992f6 - <expression_rs[ba8f5394500920d8]::tests::extract_char_with_spaces::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62528b99968b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x62528b99968b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x62528b9a5eea - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x62528b9a5eea - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x62528b9a5eea - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x62528b9a5eea - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x62528b9a5eea - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x62528b9a5eea - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x62528b9a5eea - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x62528b9a03b4 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x62528b9a03b4 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x62528b9a89e2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x62528b9a89e2 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x62528b9a89e2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x62528b9a89e2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x62528b9a89e2 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x62528b9a89e2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x62528b9a89e2 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x62528ba10f9f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x62528ba10f9f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x733974bb9aa4 - <unknown>
[INFO] [stdout]   45:     0x733974c46a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[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; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin expression-rs`
[INFO] running `Command { std: "docker" "inspect" "c570ef715387f83cae627166216ab27b7307fe938586bc936a75945e59a18e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c570ef715387f83cae627166216ab27b7307fe938586bc936a75945e59a18e89", kill_on_drop: false }`
[INFO] [stdout] c570ef715387f83cae627166216ab27b7307fe938586bc936a75945e59a18e89
