[INFO] cloning repository https://github.com/MainShayne233/yrl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MainShayne233/yrl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainShayne233%2Fyrl"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainShayne233%2Fyrl'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ccd49381c330cbc660c26597e7766ba3aa63423
[INFO] testing MainShayne233/yrl against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainShayne233%2Fyrl" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MainShayne233/yrl on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MainShayne233/yrl
[INFO] finished tweaking git repo https://github.com/MainShayne233/yrl
[INFO] tweaked toml for git repo https://github.com/MainShayne233/yrl written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/MainShayne233/yrl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49ac0eeccb25c8706d9376788d7742763c262dad573e0c9259e69bcc9291b25d
[INFO] running `"docker" "start" "-a" "49ac0eeccb25c8706d9376788d7742763c262dad573e0c9259e69bcc9291b25d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ena v0.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling yrl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `DeclarationType`, `Declaration`, `NodeExpression`, `Node`
[INFO] [stderr]  --> src/main.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::ast::{Declaration, DeclarationType, Grammar, Node, NodeExpression};
[INFO] [stderr]   |                  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^           ^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use pretty_assertions::assert_eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:2897:5
[INFO] [stderr]      |
[INFO] [stderr] 2897 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3042:5
[INFO] [stderr]      |
[INFO] [stderr] 3042 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3053:5
[INFO] [stderr]      |
[INFO] [stderr] 3053 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3064:5
[INFO] [stderr]      |
[INFO] [stderr] 3064 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3075:5
[INFO] [stderr]      |
[INFO] [stderr] 3075 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3086:5
[INFO] [stderr]      |
[INFO] [stderr] 3086 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3097:5
[INFO] [stderr]      |
[INFO] [stderr] 3097 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3108:5
[INFO] [stderr]      |
[INFO] [stderr] 3108 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3119:5
[INFO] [stderr]      |
[INFO] [stderr] 3119 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3130:5
[INFO] [stderr]      |
[INFO] [stderr] 3130 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3141:5
[INFO] [stderr]      |
[INFO] [stderr] 3141 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3238:5
[INFO] [stderr]      |
[INFO] [stderr] 3238 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3249:5
[INFO] [stderr]      |
[INFO] [stderr] 3249 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3260:5
[INFO] [stderr]      |
[INFO] [stderr] 3260 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3271:5
[INFO] [stderr]      |
[INFO] [stderr] 3271 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/yrl-c8ee36f9740bbca7/out/grammar.rs:3591:5
[INFO] [stderr]      |
[INFO] [stderr] 3591 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `yrl`
[INFO] [stderr]    --> src/main.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / #[macro_use]
[INFO] [stderr] 2   | | extern crate lalrpop_util;
[INFO] [stderr] 3   | |
[INFO] [stderr] 4   | | use crate::ast::{Declaration, DeclarationType, Grammar, Node, NodeExpression};
[INFO] [stderr] ...   |
[INFO] [stderr] 361 | |     assert_eq!(true, true);
[INFO] [stderr] 362 | | }
[INFO] [stderr]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `yrl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "49ac0eeccb25c8706d9376788d7742763c262dad573e0c9259e69bcc9291b25d"`
[INFO] running `"docker" "rm" "-f" "49ac0eeccb25c8706d9376788d7742763c262dad573e0c9259e69bcc9291b25d"`
[INFO] [stdout] 49ac0eeccb25c8706d9376788d7742763c262dad573e0c9259e69bcc9291b25d