[INFO] cloning repository https://github.com/justnat3/parse-happy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justnat3/parse-happy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Fparse-happy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Fparse-happy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b1225adb60024b0f680c32397e45fadd83f42e7
[INFO] building justnat3/parse-happy against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Fparse-happy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justnat3/parse-happy on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justnat3/parse-happy
[INFO] finished tweaking git repo https://github.com/justnat3/parse-happy
[INFO] tweaked toml for git repo https://github.com/justnat3/parse-happy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/justnat3/parse-happy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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
[ERROR] error running command: no output for 300 seconds
[INFO] building justnat3/parse-happy against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Fparse-happy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justnat3/parse-happy on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justnat3/parse-happy
[INFO] finished tweaking git repo https://github.com/justnat3/parse-happy
[INFO] tweaked toml for git repo https://github.com/justnat3/parse-happy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/justnat3/parse-happy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b87a53a0a1fb023521a247cb3c24ec36d52dd2b40f498a6e36f14da586767bc
[INFO] running `Command { std: "docker" "start" "-a" "1b87a53a0a1fb023521a247cb3c24ec36d52dd2b40f498a6e36f14da586767bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b87a53a0a1fb023521a247cb3c24ec36d52dd2b40f498a6e36f14da586767bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b87a53a0a1fb023521a247cb3c24ec36d52dd2b40f498a6e36f14da586767bc", kill_on_drop: false }`
[INFO] [stdout] 1b87a53a0a1fb023521a247cb3c24ec36d52dd2b40f498a6e36f14da586767bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 979ccd01031c7ef7beaccda52da0ff6d3021367b227616b02042c6992f36060a
[INFO] running `Command { std: "docker" "start" "-a" "979ccd01031c7ef7beaccda52da0ff6d3021367b227616b02042c6992f36060a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn split_at(&self, count: usize) -> &[Token] {
[INFO] [stdout]    |        --------                         ^^^^^^^^ expected `&[Token]`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&[Token]`
[INFO] [stdout]               found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let (prefix, suffix) = self.split_at(count);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^   -------------------- this expression has type `&[Token]`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected `[Token]`, found `(_, _)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected slice `[Token]`
[INFO] [stdout]               found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&[Token]: InputTake` is not satisfied
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (to, _) = tag(Token::Equals)(i)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ the trait `InputTake` is not implemented for `&[Token]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `InputTake` is implemented for `&[u8]`
[INFO] [stdout] note: required by a bound in `nom::bytes::complete::tag`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nom-6.1.2/src/bytes/complete.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn tag<T, Input, Error: ParseError<Input>>(
[INFO] [stdout]    |        --- required by a bound in this function
[INFO] [stdout] ...
[INFO] [stdout] 37 |   Input: InputTake + Compare<T>,
[INFO] [stdout]    |          ^^^^^^^^^ required by this bound in `tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&[Token]: Compare<Token>` is not satisfied
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (to, _) = tag(Token::Equals)(i)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ the trait `InputIter` is not implemented for `&[Token]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `InputIter`:
[INFO] [stdout]              &[u8; 0]
[INFO] [stdout]              &[u8; 10]
[INFO] [stdout]              &[u8; 11]
[INFO] [stdout]              &[u8; 12]
[INFO] [stdout]              &[u8; 13]
[INFO] [stdout]              &[u8; 14]
[INFO] [stdout]              &[u8; 15]
[INFO] [stdout]              &[u8; 16]
[INFO] [stdout]            and 26 others
[INFO] [stdout]    = note: required for `&[Token]` to implement `Compare<Token>`
[INFO] [stdout] note: required by a bound in `nom::bytes::complete::tag`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nom-6.1.2/src/bytes/complete.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn tag<T, Input, Error: ParseError<Input>>(
[INFO] [stdout]    |        --- required by a bound in this function
[INFO] [stdout] ...
[INFO] [stdout] 37 |   Input: InputTake + Compare<T>,
[INFO] [stdout]    |                      ^^^^^^^^^^ required by this bound in `tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&[Token]: Compare<Token>` is not satisfied
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (to, _) = tag(Token::Equals)(i)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ the trait `UnspecializedInput` is not implemented for `&[Token]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Compare<T>`:
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 0]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 10]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 11]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 12]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 13]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 14]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 15]>`
[INFO] [stdout]              `&[u8]` implements `Compare<&[u8; 16]>`
[INFO] [stdout]            and 60 others
[INFO] [stdout]    = note: required for `&[Token]` to implement `Compare<Token>`
[INFO] [stdout] note: required by a bound in `nom::bytes::complete::tag`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nom-6.1.2/src/bytes/complete.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn tag<T, Input, Error: ParseError<Input>>(
[INFO] [stdout]    |        --- required by a bound in this function
[INFO] [stdout] ...
[INFO] [stdout] 37 |   Input: InputTake + Compare<T>,
[INFO] [stdout]    |                      ^^^^^^^^^^ required by this bound in `tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Token: InputIter` is not satisfied
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (to, _) = tag(Token::Equals)(i)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ the trait `InputIter` is not implemented for `Token`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `InputIter`:
[INFO] [stdout]              &'a BitSlice<O, T>
[INFO] [stdout]              &'a [u8; 0]
[INFO] [stdout]              &'a [u8; 10]
[INFO] [stdout]              &'a [u8; 11]
[INFO] [stdout]              &'a [u8; 12]
[INFO] [stdout]              &'a [u8; 13]
[INFO] [stdout]              &'a [u8; 14]
[INFO] [stdout]              &'a [u8; 15]
[INFO] [stdout]            and 28 others
[INFO] [stdout]    = note: required for `&[Token]` to implement `Compare<Token>`
[INFO] [stdout] note: required by a bound in `nom::bytes::complete::tag`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nom-6.1.2/src/bytes/complete.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn tag<T, Input, Error: ParseError<Input>>(
[INFO] [stdout]    |        --- required by a bound in this function
[INFO] [stdout] ...
[INFO] [stdout] 37 |   Input: InputTake + Compare<T>,
[INFO] [stdout]    |                      ^^^^^^^^^^ required by this bound in `tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `nom::error::Error<Token>: ParseError<&[Token]>` is not satisfied
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (to, _) = tag(Token::Equals)(i)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ the trait `ParseError<&[Token]>` is not implemented for `nom::error::Error<Token>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `ParseError<&[Token]>` is not implemented for `nom::error::Error<Token>`
[INFO] [stdout]            but trait `ParseError<Token>` is implemented for it
[INFO] [stdout]    = help: for that trait implementation, expected `Token`, found `&[Token]`
[INFO] [stdout] note: required by a bound in `nom::bytes::complete::tag`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nom-6.1.2/src/bytes/complete.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn tag<T, Input, Error: ParseError<Input>>(
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ required by this bound in `tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(i: &[Token]) -> IResult<Token, Token> {
[INFO] [stdout]    |                                 --------------------- expected `Result<(Token, Token), nom::Err<nom::error::Error<Token>>>` because of return type
[INFO] [stdout] 65 |     let (to, _) = tag(Token::Equals)(i)?;
[INFO] [stdout] 66 |     to
[INFO] [stdout]    |     ^^ expected `Result<(Token, Token), Err<...>>`, found `&[Token]`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(Token, Token), nom::Err<nom::error::Error<Token>>>`
[INFO] [stdout]            found reference `&[Token]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn index(&self, index: usize) -> &Token {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 41 |         &(*self)[index]
[INFO] [stdout]    |                 ------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn index(&self, index: Range<usize>) -> &Token {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 49 |         &(*self)[index]
[INFO] [stdout]    |                 ------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/main.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn take(&self, count: usize) -> Self {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of index of `Token`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self[0..1]
[INFO] [stdout]    |         ^^^^^^^^^^ move occurs because value has type `Token`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self[0..1].clone()
[INFO] [stdout]    |                   ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground` (bin "playground") due to 9 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "979ccd01031c7ef7beaccda52da0ff6d3021367b227616b02042c6992f36060a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979ccd01031c7ef7beaccda52da0ff6d3021367b227616b02042c6992f36060a", kill_on_drop: false }`
[INFO] [stdout] 979ccd01031c7ef7beaccda52da0ff6d3021367b227616b02042c6992f36060a
