[INFO] cloning repository https://github.com/yufengwng/reef
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yufengwng/reef" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Freef", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Freef'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9862917c40fbc13522abbc727072be33a78f6168
[INFO] checking yufengwng/reef against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Freef" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yufengwng/reef on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yufengwng/reef
[INFO] finished tweaking git repo https://github.com/yufengwng/reef
[INFO] tweaked toml for git repo https://github.com/yufengwng/reef written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yufengwng/reef already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a3e8af654a4beac8f73f5cf93b379473e16ae6633c6b9b3c67eac9508c26bbb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a3e8af654a4beac8f73f5cf93b379473e16ae6633c6b9b3c67eac9508c26bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a3e8af654a4beac8f73f5cf93b379473e16ae6633c6b9b3c67eac9508c26bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3e8af654a4beac8f73f5cf93b379473e16ae6633c6b9b3c67eac9508c26bbb", kill_on_drop: false }`
[INFO] [stdout] 5a3e8af654a4beac8f73f5cf93b379473e16ae6633c6b9b3c67eac9508c26bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4cd9b3fd2f3bdf79655f7975d0d853f9324921ddb002a205407eed0ff4f33b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e4cd9b3fd2f3bdf79655f7975d0d853f9324921ddb002a205407eed0ff4f33b9", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking reef v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ast::TnKind`
[INFO] [stdout]  --> src/lex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::TnKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::TnKind`
[INFO] [stdout]  --> src/lex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::TnKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `txt` in initializer of `ast::Token`
[INFO] [stdout]   --> src/ast.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Token {
[INFO] [stdout]    |         ^^^^^ missing `txt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `txt` in initializer of `ast::Token`
[INFO] [stdout]   --> src/ast.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Token {
[INFO] [stdout]    |         ^^^^^ missing `txt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `txt` in initializer of `ast::Token`
[INFO] [stdout]   --> src/ast.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Token {
[INFO] [stdout]    |         ^^^^^ missing `txt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `txt` in initializer of `ast::Token`
[INFO] [stdout]   --> src/ast.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Token {
[INFO] [stdout]    |         ^^^^^ missing `txt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `line` on type `&mut lex::Cursor<'_>`
[INFO] [stdout]   --> src/lex.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let token = Token::sep(self.line, self.idx);
[INFO] [stdout]    |                                             ^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `src`, `len`, `idx`, `row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `line` on type `&mut lex::Cursor<'_>`
[INFO] [stdout]   --> src/lex.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let token = Token::sep(self.line, self.idx);
[INFO] [stdout]    |                                             ^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `src`, `len`, `idx`, `row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lex.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |                                     ------------- expected `std::option::Option<ast::Token>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 24 |                 token
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected enum `std::option::Option`, found struct `ast::Token`
[INFO] [stdout]    |                 help: try using a variant of the expected enum: `Some(token)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::option::Option<ast::Token>`
[INFO] [stdout]             found struct `ast::Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `line` on type `&mut lex::Cursor<'_>`
[INFO] [stdout]   --> src/lex.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let token = Token::sep(self.line, self.idx);
[INFO] [stdout]    |                                             ^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `src`, `len`, `idx`, `row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lex.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |                                     ------------- expected `std::option::Option<ast::Token>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 24 |                 token
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected enum `std::option::Option`, found struct `ast::Token`
[INFO] [stdout]    |                 help: try using a variant of the expected enum: `Some(token)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::option::Option<ast::Token>`
[INFO] [stdout]             found struct `ast::Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `line` on type `&mut lex::Cursor<'_>`
[INFO] [stdout]   --> src/lex.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let token = Token::sep(self.line, self.idx);
[INFO] [stdout]    |                                             ^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `src`, `len`, `idx`, `row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lex.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |                                     ------------- expected `std::option::Option<ast::Token>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 29 |                 token
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected enum `std::option::Option`, found struct `ast::Token`
[INFO] [stdout]    |                 help: try using a variant of the expected enum: `Some(token)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::option::Option<ast::Token>`
[INFO] [stdout]             found struct `ast::Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lex.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |                                     ------------- expected `std::option::Option<ast::Token>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 29 |                 token
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected enum `std::option::Option`, found struct `ast::Token`
[INFO] [stdout]    |                 help: try using a variant of the expected enum: `Some(token)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::option::Option<ast::Token>`
[INFO] [stdout]             found struct `ast::Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lex.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn next_word(&mut self) -> Token {
[INFO] [stdout]    |                                    ----- expected `ast::Token` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 39 |         while !self.is_eof() {}
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected struct `ast::Token`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reef`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lex.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn next_word(&mut self) -> Token {
[INFO] [stdout]    |                                    ----- expected `ast::Token` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 39 |         while !self.is_eof() {}
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected struct `ast::Token`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e4cd9b3fd2f3bdf79655f7975d0d853f9324921ddb002a205407eed0ff4f33b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cd9b3fd2f3bdf79655f7975d0d853f9324921ddb002a205407eed0ff4f33b9", kill_on_drop: false }`
[INFO] [stdout] e4cd9b3fd2f3bdf79655f7975d0d853f9324921ddb002a205407eed0ff4f33b9
