[INFO] cloning repository https://github.com/rrronit/Zygr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrronit/Zygr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrronit%2FZygr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrronit%2FZygr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d755ac74bdaa6175c0d54e4acb45ddec150e745
[INFO] checking rrronit/Zygr against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrronit%2FZygr" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rrronit/Zygr
[INFO] finished tweaking git repo https://github.com/rrronit/Zygr
[INFO] tweaked toml for git repo https://github.com/rrronit/Zygr written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rrronit/Zygr on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rrronit/Zygr 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "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] checking rrronit/Zygr against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrronit%2FZygr" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rrronit/Zygr
[INFO] finished tweaking git repo https://github.com/rrronit/Zygr
[INFO] tweaked toml for git repo https://github.com/rrronit/Zygr written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rrronit/Zygr on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rrronit/Zygr 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f
[INFO] running `Command { std: "docker" "start" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking zygr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/tokenizer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/tokenizer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_at_end` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |         while !self.is_at_end() {
[INFO] [stdout]     |                     ^^^^^^^^^ method not found in `&mut Parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_at_end` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |         while !self.is_at_end() {
[INFO] [stdout]     |                     ^^^^^^^^^ method not found in `&mut Parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `variable_declaration` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:199:72
[INFO] [stdout]     |
[INFO] [stdout] 199 |             TokenType::Let | TokenType::Const | TokenType::Var => self.variable_declaration(),
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `declaration` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 199 -             TokenType::Let | TokenType::Const | TokenType::Var => self.variable_declaration(),
[INFO] [stdout] 199 +             TokenType::Let | TokenType::Const | TokenType::Var => self.declaration(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `variable_declaration` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]    --> src/parser.rs:199:72
[INFO] [stdout]     |
[INFO] [stdout] 199 |             TokenType::Let | TokenType::Const | TokenType::Var => self.variable_declaration(),
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `declaration` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 199 -             TokenType::Let | TokenType::Const | TokenType::Var => self.variable_declaration(),
[INFO] [stdout] 199 +             TokenType::Let | TokenType::Const | TokenType::Var => self.declaration(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:200:33
[INFO] [stdout]     |
[INFO] [stdout] 200 |             TokenType::Class => {}
[INFO] [stdout]     |                                 ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:200:33
[INFO] [stdout]     |
[INFO] [stdout] 200 |             TokenType::Class => {}
[INFO] [stdout]     |                                 ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:201:37
[INFO] [stdout]     |
[INFO] [stdout] 201 |             TokenType::Interface => {}
[INFO] [stdout]     |                                     ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:202:32
[INFO] [stdout]     |
[INFO] [stdout] 202 |             TokenType::Type => {}
[INFO] [stdout]     |                                ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |             _ => {}
[INFO] [stdout]     |                  ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:201:37
[INFO] [stdout]     |
[INFO] [stdout] 201 |             TokenType::Interface => {}
[INFO] [stdout]     |                                     ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:202:32
[INFO] [stdout]     |
[INFO] [stdout] 202 |             TokenType::Type => {}
[INFO] [stdout]     |                                ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |             _ => {}
[INFO] [stdout]     |                  ^^ expected `Node`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zygr` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `zygr` (lib) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f", kill_on_drop: false }`
[INFO] [stdout] 11cf78688d6e9a9bcf0c93b1fa17605ae11da278102995d55b15a7b897f5656f
