[INFO] cloning repository https://github.com/MainShayne233/elixir-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MainShayne233/elixir-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainShayne233%2Felixir-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainShayne233%2Felixir-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f572d3a82be0587ec43e38c3c4081ddcf8f93c67
[INFO] testing MainShayne233/elixir-parser 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%2FMainShayne233%2Felixir-parser" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MainShayne233/elixir-parser 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/MainShayne233/elixir-parser
[INFO] finished tweaking git repo https://github.com/MainShayne233/elixir-parser
[INFO] tweaked toml for git repo https://github.com/MainShayne233/elixir-parser written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/MainShayne233/elixir-parser 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-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" "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] [stdout] 702733e434971df50e54871d4d2829105b272351453afa40174ef0ecb9eb7144
[INFO] running `Command { std: "docker" "start" "-a" "702733e434971df50e54871d4d2829105b272351453afa40174ef0ecb9eb7144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "702733e434971df50e54871d4d2829105b272351453afa40174ef0ecb9eb7144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702733e434971df50e54871d4d2829105b272351453afa40174ef0ecb9eb7144", kill_on_drop: false }`
[INFO] [stdout] 702733e434971df50e54871d4d2829105b272351453afa40174ef0ecb9eb7144
[INFO] running `Command { std: "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" "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] baf09bc5a1491cc93918bb776e47fd4cec3540174e9bf3c2ae577958c53fc23b
[INFO] running `Command { std: "docker" "start" "-a" "baf09bc5a1491cc93918bb776e47fd4cec3540174e9bf3c2ae577958c53fc23b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling lalrpop-util v0.17.1
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling ena v0.13.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.1
[INFO] [stderr]    Compiling elixir-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Expr`, `Meta`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::{Expr, Meta};
[INFO] [stdout]   |                  ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:3878:5
[INFO] [stdout]      |
[INFO] [stdout] 3878 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:3889:5
[INFO] [stdout]      |
[INFO] [stdout] 3889 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:3900:5
[INFO] [stdout]      |
[INFO] [stdout] 3900 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:3911:5
[INFO] [stdout]      |
[INFO] [stdout] 3911 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:3922:5
[INFO] [stdout]      |
[INFO] [stdout] 3922 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:3933:5
[INFO] [stdout]      |
[INFO] [stdout] 3933 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4368:5
[INFO] [stdout]      |
[INFO] [stdout] 4368 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4379:5
[INFO] [stdout]      |
[INFO] [stdout] 4379 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4390:5
[INFO] [stdout]      |
[INFO] [stdout] 4390 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4401:5
[INFO] [stdout]      |
[INFO] [stdout] 4401 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4412:5
[INFO] [stdout]      |
[INFO] [stdout] 4412 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4491:5
[INFO] [stdout]      |
[INFO] [stdout] 4491 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4502:5
[INFO] [stdout]      |
[INFO] [stdout] 4502 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4513:5
[INFO] [stdout]      |
[INFO] [stdout] 4513 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4525:5
[INFO] [stdout]      |
[INFO] [stdout] 4525 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4537:5
[INFO] [stdout]      |
[INFO] [stdout] 4537 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4753:5
[INFO] [stdout]      |
[INFO] [stdout] 4753 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4830:5
[INFO] [stdout]      |
[INFO] [stdout] 4830 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4841:5
[INFO] [stdout]      |
[INFO] [stdout] 4841 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4852:5
[INFO] [stdout]      |
[INFO] [stdout] 4852 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4863:5
[INFO] [stdout]      |
[INFO] [stdout] 4863 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4874:5
[INFO] [stdout]      |
[INFO] [stdout] 4874 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4885:5
[INFO] [stdout]      |
[INFO] [stdout] 4885 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4896:5
[INFO] [stdout]      |
[INFO] [stdout] 4896 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4907:5
[INFO] [stdout]      |
[INFO] [stdout] 4907 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4918:5
[INFO] [stdout]      |
[INFO] [stdout] 4918 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4929:5
[INFO] [stdout]      |
[INFO] [stdout] 4929 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4940:5
[INFO] [stdout]      |
[INFO] [stdout] 4940 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4951:5
[INFO] [stdout]      |
[INFO] [stdout] 4951 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4962:5
[INFO] [stdout]      |
[INFO] [stdout] 4962 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4973:5
[INFO] [stdout]      |
[INFO] [stdout] 4973 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/elixir-parser-879dc9074b194212/out/grammar.rs:4984:5
[INFO] [stdout]      |
[INFO] [stdout] 4984 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `elixir_parser`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #[macro_use]
[INFO] [stdout] 2   | | extern crate lalrpop_util;
[INFO] [stdout] 3   | | use crate::ast::{Expr, Meta};
[INFO] [stdout] 4   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 222 | |     );
[INFO] [stdout] 223 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elixir-parser` due to 2 previous errors; 33 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "baf09bc5a1491cc93918bb776e47fd4cec3540174e9bf3c2ae577958c53fc23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf09bc5a1491cc93918bb776e47fd4cec3540174e9bf3c2ae577958c53fc23b", kill_on_drop: false }`
[INFO] [stdout] baf09bc5a1491cc93918bb776e47fd4cec3540174e9bf3c2ae577958c53fc23b
