[INFO] cloning repository https://github.com/tiny-browserbook/exercise-css
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiny-browserbook/exercise-css" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-css", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-css'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19bff63871861db3d8735679d346ab91e8f00ec2
[INFO] testing tiny-browserbook/exercise-css against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-css" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-css on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-css
[INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-css
[INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-css written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/tiny-browserbook/exercise-css already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89061a647eee780c9d3e2a611fbadba0eadbdc6975e3e60051747287be3b6311
[INFO] running `Command { std: "docker" "start" "-a" "89061a647eee780c9d3e2a611fbadba0eadbdc6975e3e60051747287be3b6311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89061a647eee780c9d3e2a611fbadba0eadbdc6975e3e60051747287be3b6311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89061a647eee780c9d3e2a611fbadba0eadbdc6975e3e60051747287be3b6311", kill_on_drop: false }`
[INFO] [stdout] 89061a647eee780c9d3e2a611fbadba0eadbdc6975e3e60051747287be3b6311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b086587473f6ee90b5351c4c95a64ce3b36eb99031edbd98b33ede1089e869d7
[INFO] running `Command { std: "docker" "start" "-a" "b086587473f6ee90b5351c4c95a64ce3b36eb99031edbd98b33ede1089e869d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling combine v4.5.2
[INFO] [stderr]    Compiling exercise-css v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `choice`, `error::StreamError`, `letter`, `many1`, `many`, `newline`, `optional`, `sep_by`, `sep_end_by`, `space`
[INFO] [stdout]  --> src/css.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     choice,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     error::StreamError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     many, many1, optional,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     parser::char::{self, char, letter, newline, space},
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 6 |     sep_by, sep_end_by, ParseError, Parser, Stream,
[INFO] [stdout]   |     ^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/css.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     todo!("you need to implement this");
[INFO] [stdout]    |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 98 |     (char(' ')).map(|_| vec![])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |       todo!("you need to implement this");
[INFO] [stdout]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 107 | /     (char(' '),).map(|_| Rule {
[INFO] [stdout] 108 | |         selectors: vec![],
[INFO] [stdout] 109 | |         declarations: vec![],
[INFO] [stdout] 110 | |     })
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 119 |     (char(' '),).map(|_| vec![])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 128 |     (char(' '),).map(|_| SimpleSelector::UniversalSelector)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 137 |     (char(' '),).map(|_| vec![])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |       todo!("you need to implement this");
[INFO] [stdout]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 146 | /     (char(' '),).map(|_| Declaration {
[INFO] [stdout] 147 | |         name: "".into(),
[INFO] [stdout] 148 | |         value: CSSValue::Keyword("".into()),
[INFO] [stdout] 149 | |     })
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 158 |     (char(' '),).map(|_| CSSValue::Keyword("".into()))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rule`
[INFO] [stdout]    --> src/css.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn rule<Input>() -> impl Parser<Input, Output = Rule>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selectors`
[INFO] [stdout]    --> src/css.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn selectors<Input>() -> impl Parser<Input, Output = Vec<Selector>>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_selector`
[INFO] [stdout]    --> src/css.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn simple_selector<Input>() -> impl Parser<Input, Output = SimpleSelector>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `declarations`
[INFO] [stdout]    --> src/css.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn declarations<Input>() -> impl Parser<Input, Output = Vec<Declaration>>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `declaration`
[INFO] [stdout]    --> src/css.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn declaration<Input>() -> impl Parser<Input, Output = Declaration>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `css_value`
[INFO] [stdout]    --> src/css.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn css_value<Input>() -> impl Parser<Input, Output = CSSValue>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.37s
[INFO] running `Command { std: "docker" "inspect" "b086587473f6ee90b5351c4c95a64ce3b36eb99031edbd98b33ede1089e869d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b086587473f6ee90b5351c4c95a64ce3b36eb99031edbd98b33ede1089e869d7", kill_on_drop: false }`
[INFO] [stdout] b086587473f6ee90b5351c4c95a64ce3b36eb99031edbd98b33ede1089e869d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d0c3c5d23a289bd21b699a3ebe5031eb3252e77ef18f3bf3b8bbe39d454b91
[INFO] running `Command { std: "docker" "start" "-a" "b5d0c3c5d23a289bd21b699a3ebe5031eb3252e77ef18f3bf3b8bbe39d454b91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused imports: `choice`, `error::StreamError`, `letter`, `many1`, `many`, `newline`, `optional`, `sep_by`, `sep_end_by`, `space`
[INFO] [stdout]  --> src/css.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     choice,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     error::StreamError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     many, many1, optional,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     parser::char::{self, char, letter, newline, space},
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 6 |     sep_by, sep_end_by, ParseError, Parser, Stream,
[INFO] [stdout]   |     ^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/css.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     todo!("you need to implement this");
[INFO] [stdout]    |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 98 |     (char(' ')).map(|_| vec![])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exercise-css v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |       todo!("you need to implement this");
[INFO] [stdout]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 107 | /     (char(' '),).map(|_| Rule {
[INFO] [stdout] 108 | |         selectors: vec![],
[INFO] [stdout] 109 | |         declarations: vec![],
[INFO] [stdout] 110 | |     })
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 119 |     (char(' '),).map(|_| vec![])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 128 |     (char(' '),).map(|_| SimpleSelector::UniversalSelector)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 137 |     (char(' '),).map(|_| vec![])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |       todo!("you need to implement this");
[INFO] [stdout]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 146 | /     (char(' '),).map(|_| Declaration {
[INFO] [stdout] 147 | |         name: "".into(),
[INFO] [stdout] 148 | |         value: CSSValue::Keyword("".into()),
[INFO] [stdout] 149 | |     })
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 158 |     (char(' '),).map(|_| CSSValue::Keyword("".into()))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rule`
[INFO] [stdout]    --> src/css.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn rule<Input>() -> impl Parser<Input, Output = Rule>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selectors`
[INFO] [stdout]    --> src/css.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn selectors<Input>() -> impl Parser<Input, Output = Vec<Selector>>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_selector`
[INFO] [stdout]    --> src/css.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn simple_selector<Input>() -> impl Parser<Input, Output = SimpleSelector>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `declarations`
[INFO] [stdout]    --> src/css.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn declarations<Input>() -> impl Parser<Input, Output = Vec<Declaration>>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `declaration`
[INFO] [stdout]    --> src/css.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn declaration<Input>() -> impl Parser<Input, Output = Declaration>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `css_value`
[INFO] [stdout]    --> src/css.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn css_value<Input>() -> impl Parser<Input, Output = CSSValue>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `choice`, `error::StreamError`, `letter`, `many1`, `many`, `newline`, `optional`, `sep_by`, `sep_end_by`, `space`
[INFO] [stdout]  --> src/css.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     choice,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     error::StreamError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     many, many1, optional,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     parser::char::{self, char, letter, newline, space},
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stdout] 6 |     sep_by, sep_end_by, ParseError, Parser, Stream,
[INFO] [stdout]   |     ^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/css.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     todo!("you need to implement this");
[INFO] [stdout]    |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 98 |     (char(' ')).map(|_| vec![])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |       todo!("you need to implement this");
[INFO] [stdout]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 107 | /     (char(' '),).map(|_| Rule {
[INFO] [stdout] 108 | |         selectors: vec![],
[INFO] [stdout] 109 | |         declarations: vec![],
[INFO] [stdout] 110 | |     })
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 119 |     (char(' '),).map(|_| vec![])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 128 |     (char(' '),).map(|_| SimpleSelector::UniversalSelector)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 137 |     (char(' '),).map(|_| vec![])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |       todo!("you need to implement this");
[INFO] [stdout]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 146 | /     (char(' '),).map(|_| Declaration {
[INFO] [stdout] 147 | |         name: "".into(),
[INFO] [stdout] 148 | |         value: CSSValue::Keyword("".into()),
[INFO] [stdout] 149 | |     })
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/css.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     todo!("you need to implement this");
[INFO] [stdout]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 158 |     (char(' '),).map(|_| CSSValue::Keyword("".into()))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `css_value`
[INFO] [stdout]    --> src/css.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn css_value<Input>() -> impl Parser<Input, Output = CSSValue>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "b5d0c3c5d23a289bd21b699a3ebe5031eb3252e77ef18f3bf3b8bbe39d454b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d0c3c5d23a289bd21b699a3ebe5031eb3252e77ef18f3bf3b8bbe39d454b91", kill_on_drop: false }`
[INFO] [stdout] b5d0c3c5d23a289bd21b699a3ebe5031eb3252e77ef18f3bf3b8bbe39d454b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4c69197ea6090435873ec53dc00c45cc0607bcc811cac7aadb25aed571fda2a
[INFO] running `Command { std: "docker" "start" "-a" "c4c69197ea6090435873ec53dc00c45cc0607bcc811cac7aadb25aed571fda2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `choice`, `error::StreamError`, `letter`, `many1`, `many`, `newline`, `optional`, `sep_by`, `sep_end_by`, `space`
[INFO] [stderr]  --> src/css.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     choice,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 3 |     error::StreamError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     many, many1, optional,
[INFO] [stderr]   |     ^^^^  ^^^^^  ^^^^^^^^
[INFO] [stderr] 5 |     parser::char::{self, char, letter, newline, space},
[INFO] [stderr]   |                                ^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 6 |     sep_by, sep_end_by, ParseError, Parser, Stream,
[INFO] [stderr]   |     ^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/css.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     todo!("you need to implement this");
[INFO] [stderr]    |     ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 98 |     (char(' ')).map(|_| vec![])
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/css.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |       todo!("you need to implement this");
[INFO] [stderr]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 107 | /     (char(' '),).map(|_| Rule {
[INFO] [stderr] 108 | |         selectors: vec![],
[INFO] [stderr] 109 | |         declarations: vec![],
[INFO] [stderr] 110 | |     })
[INFO] [stderr]     | |______^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/css.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     todo!("you need to implement this");
[INFO] [stderr]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 119 |     (char(' '),).map(|_| vec![])
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/css.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     todo!("you need to implement this");
[INFO] [stderr]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 128 |     (char(' '),).map(|_| SimpleSelector::UniversalSelector)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/css.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     todo!("you need to implement this");
[INFO] [stderr]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 137 |     (char(' '),).map(|_| vec![])
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/css.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |       todo!("you need to implement this");
[INFO] [stderr]     |       ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 146 | /     (char(' '),).map(|_| Declaration {
[INFO] [stderr] 147 | |         name: "".into(),
[INFO] [stderr] 148 | |         value: CSSValue::Keyword("".into()),
[INFO] [stderr] 149 | |     })
[INFO] [stderr]     | |______^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/css.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     todo!("you need to implement this");
[INFO] [stderr]     |     ------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 158 |     (char(' '),).map(|_| CSSValue::Keyword("".into()))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rule`
[INFO] [stderr]    --> src/css.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn rule<Input>() -> impl Parser<Input, Output = Rule>
[INFO] [stderr]     |    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `selectors`
[INFO] [stderr]    --> src/css.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn selectors<Input>() -> impl Parser<Input, Output = Vec<Selector>>
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_selector`
[INFO] [stderr]    --> src/css.rs:122:4
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn simple_selector<Input>() -> impl Parser<Input, Output = SimpleSelector>
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `declarations`
[INFO] [stderr]    --> src/css.rs:131:4
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn declarations<Input>() -> impl Parser<Input, Output = Vec<Declaration>>
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `declaration`
[INFO] [stderr]    --> src/css.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn declaration<Input>() -> impl Parser<Input, Output = Declaration>
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `css_value`
[INFO] [stderr]    --> src/css.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn css_value<Input>() -> impl Parser<Input, Output = CSSValue>
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `css_value`
[INFO] [stderr]    --> src/css.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn css_value<Input>() -> impl Parser<Input, Output = CSSValue>
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise-css` (lib) generated 14 warnings
[INFO] [stderr] warning: `exercise-css` (lib test) generated 9 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercise_css-aa647d866002305d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test css::tests::test_declaration ... FAILED
[INFO] [stdout] test css::tests::test_selectors ... FAILED
[INFO] [stdout] test css::tests::test_simple_selector ... FAILED
[INFO] [stdout] test css::tests::test_stylesheet ... FAILED
[INFO] [stdout] test css::tests::test_declarations ... FAILED
[INFO] [stdout] test css::tests::test_rule ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- css::tests::test_declaration stdout ----
[INFO] [stdout] thread 'css::tests::test_declaration' panicked at 'not yet implemented: you need to implement this', src/css.rs:145:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d2bc3db5cc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d2bc3db5cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d2bc3fea0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55d2bc3d8215 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x55d2bc3dd280 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d2bc3dd280 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d2bc3dd280 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x55d2bc3dce72 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x55d2bc3dd934 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x55d2bc3dd410 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x55d2bc3dba94 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d2bc3dd379 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x55d2bc370651 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x55d2bc37224a - exercise_css::css::declaration::h6dcceb4efb9cb7d1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:145:5
[INFO] [stdout]   16:     0x55d2bc37f24c - exercise_css::css::tests::test_declaration::h98c3d9614bf9d1f3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:357:13
[INFO] [stdout]   17:     0x55d2bc37f22a - exercise_css::css::tests::test_declaration::{{closure}}::h0deddf32a7ef5823
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:355:5
[INFO] [stdout]   18:     0x55d2bc3822de - core::ops::function::FnOnce::call_once::hc096815d21538107
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d2bc3b7ce3 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d2bc3b7ce3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x55d2bc3b6768 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   22:     0x55d2bc3b6768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   23:     0x55d2bc3b6768 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   24:     0x55d2bc3b6768 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   25:     0x55d2bc3b6768 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   26:     0x55d2bc3b6768 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x55d2bc3b6768 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x55d2bc3842be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x55d2bc3842be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x55d2bc388b58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x55d2bc388b58 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   33:     0x55d2bc388b58 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   34:     0x55d2bc388b58 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   35:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x55d2bc388b58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   38:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x55d2bc3e25e3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   40:     0x7fe5577cf609 - start_thread
[INFO] [stdout]   41:     0x7fe5575a1293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- css::tests::test_selectors stdout ----
[INFO] [stdout] thread 'css::tests::test_selectors' panicked at 'not yet implemented: you need to implement this', src/css.rs:118:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d2bc3db5cc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d2bc3db5cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d2bc3fea0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55d2bc3d8215 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x55d2bc3dd280 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d2bc3dd280 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d2bc3dd280 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x55d2bc3dce72 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x55d2bc3dd934 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x55d2bc3dd410 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x55d2bc3dba94 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d2bc3dd379 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x55d2bc370651 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x55d2bc371f8a - exercise_css::css::selectors::h889a7fe64c31f2a2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:118:5
[INFO] [stdout]   16:     0x55d2bc37e56c - exercise_css::css::tests::test_selectors::h5ad857139a2153b3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:295:13
[INFO] [stdout]   17:     0x55d2bc37e54a - exercise_css::css::tests::test_selectors::{{closure}}::hea2bdd13288c9a39
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:293:5
[INFO] [stdout]   18:     0x55d2bc38225e - core::ops::function::FnOnce::call_once::h7dc4f6f65fbe3f5b
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d2bc3b7ce3 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d2bc3b7ce3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x55d2bc3b6768 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   22:     0x55d2bc3b6768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   23:     0x55d2bc3b6768 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   24:     0x55d2bc3b6768 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   25:     0x55d2bc3b6768 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   26:     0x55d2bc3b6768 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x55d2bc3b6768 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x55d2bc3842be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x55d2bc3842be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x55d2bc388b58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x55d2bc388b58 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   33:     0x55d2bc388b58 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   34:     0x55d2bc388b58 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   35:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x55d2bc388b58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   38:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x55d2bc3e25e3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   40:     0x7fe5577cf609 - start_thread
[INFO] [stdout]   41:     0x7fe5575a1293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- css::tests::test_simple_selector stdout ----
[INFO] [stdout] thread 'css::tests::test_simple_selector' panicked at 'not yet implemented: you need to implement this', src/css.rs:127:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d2bc3db5cc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d2bc3db5cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d2bc3fea0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55d2bc3d8215 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x55d2bc3dd280 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d2bc3dd280 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d2bc3dd280 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x55d2bc3dce72 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x55d2bc3dd934 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x55d2bc3dd410 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x55d2bc3dba94 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d2bc3dd379 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x55d2bc370651 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x55d2bc37207a - exercise_css::css::simple_selector::hbb0271ceecf25c6c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:127:5
[INFO] [stdout]   16:     0x55d2bc37e98c - exercise_css::css::tests::test_simple_selector::hd79b7d5c330ce4cc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:316:13
[INFO] [stdout]   17:     0x55d2bc37e96a - exercise_css::css::tests::test_simple_selector::{{closure}}::ha0bc7ba1d2945127
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:314:5
[INFO] [stdout]   18:     0x55d2bc38232e - core::ops::function::FnOnce::call_once::hcb374fee5cbbc32f
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d2bc3b7ce3 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d2bc3b7ce3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x55d2bc3b6768 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   22:     0x55d2bc3b6768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   23:     0x55d2bc3b6768 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   24:     0x55d2bc3b6768 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   25:     0x55d2bc3b6768 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   26:     0x55d2bc3b6768 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x55d2bc3b6768 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x55d2bc3842be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x55d2bc3842be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x55d2bc388b58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x55d2bc388b58 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   33:     0x55d2bc388b58 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   34:     0x55d2bc388b58 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   35:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x55d2bc388b58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   38:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x55d2bc3e25e3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   40:     0x7fe5577cf609 - start_thread
[INFO] [stdout]   41:     0x7fe5575a1293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- css::tests::test_stylesheet stdout ----
[INFO] [stdout] thread 'css::tests::test_stylesheet' panicked at 'not yet implemented: you need to implement this', src/css.rs:97:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d2bc3db5cc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d2bc3db5cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d2bc3fea0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55d2bc3d8215 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x55d2bc3dd280 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d2bc3dd280 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d2bc3dd280 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x55d2bc3dce72 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x55d2bc3dd934 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x55d2bc3dd410 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x55d2bc3dba94 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d2bc3dd379 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x55d2bc370651 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x55d2bc371d3a - exercise_css::css::rules::hd33c18f5fa838d94
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:97:5
[INFO] [stdout]   16:     0x55d2bc37c8ac - exercise_css::css::tests::test_stylesheet::h15b59c5da2ba63b6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:168:13
[INFO] [stdout]   17:     0x55d2bc37c88a - exercise_css::css::tests::test_stylesheet::{{closure}}::hcf2957a20be4fcaf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:166:5
[INFO] [stdout]   18:     0x55d2bc3821ce - core::ops::function::FnOnce::call_once::h0e9f38feef025eb2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d2bc3b7ce3 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d2bc3b7ce3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x55d2bc3b6768 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   22:     0x55d2bc3b6768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   23:     0x55d2bc3b6768 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   24:     0x55d2bc3b6768 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   25:     0x55d2bc3b6768 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   26:     0x55d2bc3b6768 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x55d2bc3b6768 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x55d2bc3842be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x55d2bc3842be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x55d2bc388b58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x55d2bc388b58 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   33:     0x55d2bc388b58 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   34:     0x55d2bc388b58 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   35:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x55d2bc388b58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   38:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x55d2bc3e25e3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   40:     0x7fe5577cf609 - start_thread
[INFO] [stdout]   41:     0x7fe5575a1293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- css::tests::test_declarations stdout ----
[INFO] [stdout] thread 'css::tests::test_declarations' panicked at 'not yet implemented: you need to implement this', src/css.rs:136:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d2bc3db5cc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d2bc3db5cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d2bc3fea0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55d2bc3d8215 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x55d2bc3dd280 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d2bc3dd280 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d2bc3dd280 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x55d2bc3dce72 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x55d2bc3dd934 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x55d2bc3dd410 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x55d2bc3dba94 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d2bc3dd379 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x55d2bc370651 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x55d2bc37215a - exercise_css::css::declarations::h212a9d743063aaa6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:136:5
[INFO] [stdout]   16:     0x55d2bc37e16c - exercise_css::css::tests::test_declarations::h9e27ea8884376f29
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:275:13
[INFO] [stdout]   17:     0x55d2bc37e14a - exercise_css::css::tests::test_declarations::{{closure}}::hcc7dcc506cb80b28
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:273:5
[INFO] [stdout]   18:     0x55d2bc38229e - core::ops::function::FnOnce::call_once::h91a0177544893a39
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d2bc3b7ce3 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d2bc3b7ce3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x55d2bc3b6768 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   22:     0x55d2bc3b6768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   23:     0x55d2bc3b6768 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   24:     0x55d2bc3b6768 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   25:     0x55d2bc3b6768 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   26:     0x55d2bc3b6768 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x55d2bc3b6768 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x55d2bc3842be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x55d2bc3842be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x55d2bc388b58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x55d2bc388b58 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   33:     0x55d2bc388b58 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   34:     0x55d2bc388b58 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   35:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x55d2bc388b58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   38:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x55d2bc3e25e3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   40:     0x7fe5577cf609 - start_thread
[INFO] [stdout]   41:     0x7fe5575a1293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- css::tests::test_rule stdout ----
[INFO] [stdout] thread 'css::tests::test_rule' panicked at 'not yet implemented: you need to implement this', src/css.rs:106:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55d2bc3db5cc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d2bc3db5cc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55d2bc3db5cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55d2bc3fea0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stdout]    5:     0x55d2bc3d8215 - std::io::Write::write_fmt::hb6383f24fe197d3c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stdout]    6:     0x55d2bc3dd280 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55d2bc3dd280 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55d2bc3dd280 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stdout]    9:     0x55d2bc3dce72 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9
[INFO] [stdout]   10:     0x55d2bc3dd934 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stdout]   11:     0x55d2bc3dd410 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stdout]   12:     0x55d2bc3dba94 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55d2bc3dd379 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stdout]   14:     0x55d2bc370651 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stdout]   15:     0x55d2bc371e2a - exercise_css::css::rule::hb9c0cce156c5c952
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:106:5
[INFO] [stdout]   16:     0x55d2bc37d1fc - exercise_css::css::tests::test_rule::h72a81867c51245dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:207:13
[INFO] [stdout]   17:     0x55d2bc37d1da - exercise_css::css::tests::test_rule::{{closure}}::hda7a1cb370a1aa4a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/css.rs:205:5
[INFO] [stdout]   18:     0x55d2bc38218e - core::ops::function::FnOnce::call_once::h0ad0bb1a6c1bdb53
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55d2bc3b7ce3 - core::ops::function::FnOnce::call_once::h61555a204318cc58
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55d2bc3b7ce3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x55d2bc3b6768 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h98582e597fa7f145
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   22:     0x55d2bc3b6768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   23:     0x55d2bc3b6768 - std::panicking::try::do_call::h5b27d1cfffaa9f87
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   24:     0x55d2bc3b6768 - std::panicking::try::h86f7124b3264bcbe
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   25:     0x55d2bc3b6768 - std::panic::catch_unwind::h42dadf3598df7528
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   26:     0x55d2bc3b6768 - test::run_test_in_process::h9d4b7510f0910050
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x55d2bc3b6768 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x55d2bc3842be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x55d2bc3842be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   31:     0x55d2bc388b58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x55d2bc388b58 - std::panicking::try::do_call::h0de4b1dd08a9aa80
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stdout]   33:     0x55d2bc388b58 - std::panicking::try::hf5b5c530df698d97
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stdout]   34:     0x55d2bc388b58 - std::panic::catch_unwind::hed97078f17dbf191
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stdout]   35:     0x55d2bc388b58 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   36:     0x55d2bc388b58 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbbbb32ef11ea0ad2
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   38:     0x55d2bc3e25e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b8ef23699fc5385
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9
[INFO] [stdout]   39:     0x55d2bc3e25e3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7
[INFO] [stdout]                                at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stdout]   40:     0x7fe5577cf609 - start_thread
[INFO] [stdout]   41:     0x7fe5575a1293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     css::tests::test_declaration
[INFO] [stdout]     css::tests::test_declarations
[INFO] [stdout]     css::tests::test_rule
[INFO] [stdout]     css::tests::test_selectors
[INFO] [stdout]     css::tests::test_simple_selector
[INFO] [stdout]     css::tests::test_stylesheet
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "c4c69197ea6090435873ec53dc00c45cc0607bcc811cac7aadb25aed571fda2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c69197ea6090435873ec53dc00c45cc0607bcc811cac7aadb25aed571fda2a", kill_on_drop: false }`
[INFO] [stdout] c4c69197ea6090435873ec53dc00c45cc0607bcc811cac7aadb25aed571fda2a