[INFO] cloning repository https://github.com/rkanati/lark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rkanati/lark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Flark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Flark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22a69d8707bb137a447907895b3330dd4b509a1b
[INFO] testing rkanati/lark against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkanati%2Flark" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rkanati/lark on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rkanati/lark
[INFO] finished tweaking git repo https://github.com/rkanati/lark
[INFO] tweaked toml for git repo https://github.com/rkanati/lark written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rkanati/lark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef5a7ea9156397d0aec35c1d5ec3e877f23e62e9b61c95b4634cc7941f040c33
[INFO] running `Command { std: "docker" "start" "-a" "ef5a7ea9156397d0aec35c1d5ec3e877f23e62e9b61c95b4634cc7941f040c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5a7ea9156397d0aec35c1d5ec3e877f23e62e9b61c95b4634cc7941f040c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5a7ea9156397d0aec35c1d5ec3e877f23e62e9b61c95b4634cc7941f040c33", kill_on_drop: false }`
[INFO] [stdout] ef5a7ea9156397d0aec35c1d5ec3e877f23e62e9b61c95b4634cc7941f040c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a4ac090af188af7326c9f8a5011cd1d26f50abe5d7bc90aafa3c3db408dc4a6
[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" "8a4ac090af188af7326c9f8a5011cd1d26f50abe5d7bc90aafa3c3db408dc4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TK`
[INFO] [stdout]    --> src/syn.rs:101:40
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let tokens = tokens.expect(TK::Ident, "let")?;
[INFO] [stdout]     |                                        ^^ use of undeclared type `TK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TK`
[INFO] [stdout]    --> src/syn.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let tokens = tokens.expect(TK::Punct, "=")?;
[INFO] [stdout]     |                                        ^^ use of undeclared type `TK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `punct` in this scope
[INFO] [stdout]    --> src/syn.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 .list(punct(','))
[INFO] [stdout]     |                       ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenKind as TK`, `Token`
[INFO] [stdout]  --> src/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         lexer::{Token, TokenKind as TK, lex},
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `parse::Parser` cannot be made into an object
[INFO] [stdout]    --> src/parse/combinators/mod.rs:121:38
[INFO] [stdout]     |
[INFO] [stdout] 121 |     alternatives: &'static [&'static dyn Parser<Output = Output>],
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `parse::Parser` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> src/parse/mod.rs:11:20
[INFO] [stdout]     |
[INFO] [stdout] 11  | pub trait Parser : Sized {
[INFO] [stdout]     |           ------   ^^^^^ ...because it requires `Self: Sized`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this trait cannot be made into an object...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `parse::Parser` cannot be made into an object
[INFO] [stdout]    --> src/parse/combinators/mod.rs:125:49
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn new(alternatives: &'static [&'static dyn Parser<Output = O>]) -> FirstOf<O> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^ `parse::Parser` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> src/parse/mod.rs:11:20
[INFO] [stdout]     |
[INFO] [stdout] 11  | pub trait Parser : Sized {
[INFO] [stdout]     |           ------   ^^^^^ ...because it requires `Self: Sized`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           this trait cannot be made into an object...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0038, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lark` due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8a4ac090af188af7326c9f8a5011cd1d26f50abe5d7bc90aafa3c3db408dc4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4ac090af188af7326c9f8a5011cd1d26f50abe5d7bc90aafa3c3db408dc4a6", kill_on_drop: false }`
[INFO] [stdout] 8a4ac090af188af7326c9f8a5011cd1d26f50abe5d7bc90aafa3c3db408dc4a6
