[INFO] cloning repository https://github.com/vojta7/pra-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vojta7/pra-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvojta7%2Fpra-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvojta7%2Fpra-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2697fac1868e5c4fa518ea514ce93f0ea1160ba6
[INFO] fixing vojta7/pra-lang against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvojta7%2Fpra-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vojta7/pra-lang
[INFO] finished tweaking git repo https://github.com/vojta7/pra-lang
[INFO] tweaked toml for git repo https://github.com/vojta7/pra-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vojta7/pra-lang on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vojta7/pra-lang 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c
[INFO] running `Command { std: "docker" "start" "6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c", 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" "6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   serde v1.0.104 removed features: derive, serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling pra-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.17.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr] crater-edition-check: pra-lang v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling pra-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]  --> src/ast.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Eq, PartialEq, Serialize)]
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Eq, PartialEq, Serialize)]
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:15:39
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:90:39
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]  --> src/ast.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Eq, PartialEq, Serialize)]
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:96:39
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/ast.rs:105:39
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]    --> src/ast.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use serde::Serialize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Eq, PartialEq, Serialize)]
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lexer.rs:32:39
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, Eq, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lexer.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lexer.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Clone, Debug, PartialEq, Eq, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lexer.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Serialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:15:39
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Serialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/lib.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 | #[derive(Debug, Serialize)]
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]    --> src/lib.rs:9:5
[INFO] [stdout]     |
[INFO] [stdout]   9 | use serde::Serialize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10722:5
[INFO] [stdout]       |
[INFO] [stdout] 10722 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10722 -     (__0)
[INFO] [stdout] 10722 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10733:5
[INFO] [stdout]       |
[INFO] [stdout] 10733 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10733 -     (__0)
[INFO] [stdout] 10733 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10744:5
[INFO] [stdout]       |
[INFO] [stdout] 10744 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10744 -     (__0)
[INFO] [stdout] 10744 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10936:5
[INFO] [stdout]       |
[INFO] [stdout] 10936 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10936 -     (__0)
[INFO] [stdout] 10936 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11164:5
[INFO] [stdout]       |
[INFO] [stdout] 11164 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11164 -     (__0)
[INFO] [stdout] 11164 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11194:5
[INFO] [stdout]       |
[INFO] [stdout] 11194 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11194 -     (__0)
[INFO] [stdout] 11194 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11224:5
[INFO] [stdout]       |
[INFO] [stdout] 11224 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11224 -     (__0)
[INFO] [stdout] 11224 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11254:5
[INFO] [stdout]       |
[INFO] [stdout] 11254 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11254 -     (__0)
[INFO] [stdout] 11254 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11355:5
[INFO] [stdout]       |
[INFO] [stdout] 11355 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11355 -     (__0)
[INFO] [stdout] 11355 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11587:5
[INFO] [stdout]       |
[INFO] [stdout] 11587 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11587 -     (__0)
[INFO] [stdout] 11587 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11668:5
[INFO] [stdout]       |
[INFO] [stdout] 11668 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11668 -     (__0)
[INFO] [stdout] 11668 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:90:39
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/ast.rs:96:39
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/ast.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/ast.rs:105:39
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[derive(Debug, Eq, PartialEq, Clone, Serialize)]
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]    --> src/ast.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use serde::Serialize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lexer.rs:32:39
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, Eq, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lexer.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lexer.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Clone, Debug, PartialEq, Eq, Serialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lexer.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Serialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Serialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | use serde::Serialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/lib.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 | #[derive(Debug, Serialize)]
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]    --> src/lib.rs:9:5
[INFO] [stdout]     |
[INFO] [stdout]   9 | use serde::Serialize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10722:5
[INFO] [stdout]       |
[INFO] [stdout] 10722 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10722 -     (__0)
[INFO] [stdout] 10722 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10733:5
[INFO] [stdout]       |
[INFO] [stdout] 10733 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10733 -     (__0)
[INFO] [stdout] 10733 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10744:5
[INFO] [stdout]       |
[INFO] [stdout] 10744 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10744 -     (__0)
[INFO] [stdout] 10744 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:10936:5
[INFO] [stdout]       |
[INFO] [stdout] 10936 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 10936 -     (__0)
[INFO] [stdout] 10936 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11164:5
[INFO] [stdout]       |
[INFO] [stdout] 11164 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11164 -     (__0)
[INFO] [stdout] 11164 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11194:5
[INFO] [stdout]       |
[INFO] [stdout] 11194 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11194 -     (__0)
[INFO] [stdout] 11194 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11224:5
[INFO] [stdout]       |
[INFO] [stdout] 11224 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11224 -     (__0)
[INFO] [stdout] 11224 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11254:5
[INFO] [stdout]       |
[INFO] [stdout] 11254 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11254 -     (__0)
[INFO] [stdout] 11254 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11355:5
[INFO] [stdout]       |
[INFO] [stdout] 11355 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11355 -     (__0)
[INFO] [stdout] 11355 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11587:5
[INFO] [stdout]       |
[INFO] [stdout] 11587 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11587 -     (__0)
[INFO] [stdout] 11587 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/pra-lang-b04bfab3848a016d/out/parser.rs:11668:5
[INFO] [stdout]       |
[INFO] [stdout] 11668 |     (__0)
[INFO] [stdout]       |     ^   ^
[INFO] [stdout]       |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout] 11668 -     (__0)
[INFO] [stdout] 11668 +     __0
[INFO] [stdout]       |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pra-lang` (lib) due to 18 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pra-lang` (lib test) due to 18 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c", kill_on_drop: false }`
[INFO] [stdout] 6f73f96a41e38d5f94a0724693bafbd9c425f889601ecfda5bb6685873bdfc6c
