[INFO] cloning repository https://github.com/portal-co/pidl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/portal-co/pidl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fpidl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fpidl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27f2ee4dd770e3b44188fa77bf2df4053805ae12
[INFO] checking portal-co/pidl/27f2ee4dd770e3b44188fa77bf2df4053805ae12 against master#cb40c25f6aebb637163d26bf76a680ed6e5d1eda for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fpidl" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/portal-co/pidl
[INFO] finished tweaking git repo https://github.com/portal-co/pidl
[INFO] tweaked toml for git repo https://github.com/portal-co/pidl written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/portal-co/pidl on toolchain cb40c25f6aebb637163d26bf76a680ed6e5d1eda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/portal-co/pidl 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" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm_runtime_layer v0.4.2
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded quasiquote v0.1.1
[INFO] [stderr]   Downloaded quasiquote-proc-macro v0.1.0
[INFO] [stderr]   Downloaded higher-kinded-types v0.1.1
[INFO] [stderr]   Downloaded mutex_trait2 v0.3.1
[INFO] [stderr]   Downloaded weev v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c631f323c6dbf8970eeec5f8ba81f378e65d5f4f70d9c60da29b4dad0fb4a1e0
[INFO] running `Command { std: "docker" "start" "-a" "c631f323c6dbf8970eeec5f8ba81f378e65d5f4f70d9c60da29b4dad0fb4a1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c631f323c6dbf8970eeec5f8ba81f378e65d5f4f70d9c60da29b4dad0fb4a1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c631f323c6dbf8970eeec5f8ba81f378e65d5f4f70d9c60da29b4dad0fb4a1e0", kill_on_drop: false }`
[INFO] [stdout] c631f323c6dbf8970eeec5f8ba81f378e65d5f4f70d9c60da29b4dad0fb4a1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5abae6d69f3fb2aaf8cd6c38115f91289dad8655b2e718e7fe66b15ffc8850c
[INFO] running `Command { std: "docker" "start" "-a" "d5abae6d69f3fb2aaf8cd6c38115f91289dad8655b2e718e7fe66b15ffc8850c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking mutex_trait2 v0.3.1
[INFO] [stderr]     Checking never-say-never v6.6.666
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking higher-kinded-types v0.1.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking pidl-bud v0.1.1 (/opt/rustwide/workdir/pidl-bud)
[INFO] [stdout] warning: unused import: `higher_kinded_types::ForLt`
[INFO] [stdout]  --> pidl-bud/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use higher_kinded_types::ForLt;
[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: `higher_kinded_types::ForLt`
[INFO] [stdout]  --> pidl-bud/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use higher_kinded_types::ForLt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking weev v0.3.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]     Checking beem v0.1.1 (/opt/rustwide/workdir/beem)
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> beem/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn accept(&mut self, seed: &[u8]) -> Result<Self,Self::Error>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn accept(&mut self, seed: &[u8]) -> Result<Self,Self::Error>;
[INFO] [stdout] 12 +     fn accept(&mut self, seed: &[u8]) -> impl std::future::Future<Output = Result<Self,Self::Error>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> beem/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn offer(&mut self) -> Result<Self,ReadExactError<Self::Error>>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 13 -     async fn offer(&mut self) -> Result<Self,ReadExactError<Self::Error>>;
[INFO] [stdout] 13 +     fn offer(&mut self) -> impl std::future::Future<Output = Result<Self,ReadExactError<Self::Error>>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> beem/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn accept(&mut self, seed: &[u8]) -> Result<Self,Self::Error>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn accept(&mut self, seed: &[u8]) -> Result<Self,Self::Error>;
[INFO] [stdout] 12 +     fn accept(&mut self, seed: &[u8]) -> impl std::future::Future<Output = Result<Self,Self::Error>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> beem/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn offer(&mut self) -> Result<Self,ReadExactError<Self::Error>>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 13 -     async fn offer(&mut self) -> Result<Self,ReadExactError<Self::Error>>;
[INFO] [stdout] 13 +     fn offer(&mut self) -> impl std::future::Future<Output = Result<Self,ReadExactError<Self::Error>>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quasiquote-proc-macro v0.1.0
[INFO] [stderr]     Checking quasiquote v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking pidl-core v0.1.1 (/opt/rustwide/workdir/pidl-core)
[INFO] [stdout] warning: unused imports: `alpha1`, `combinator::opt`, `error::Error`, `is_not`, and `take`
[INFO] [stdout]  --> pidl-core/src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bytes::complete::{is_not, tag, take, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^       ^^^^
[INFO] [stdout] 4 |     character::complete::{alpha1, alphanumeric1, char, multispace0},
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 5 |     combinator::opt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> pidl-core/src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     match a.strip_prefix("R") {
[INFO] [stdout] 130 | |         Some(b) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 163 |       todo!()
[INFO] [stdout]     |       ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alpha1`, `combinator::opt`, `error::Error`, `is_not`, and `take`
[INFO] [stdout]  --> pidl-core/src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bytes::complete::{is_not, tag, take, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^       ^^^^
[INFO] [stdout] 4 |     character::complete::{alpha1, alphanumeric1, char, multispace0},
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 5 |     combinator::opt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     error::Error,
[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 `Result` that must be used
[INFO] [stdout]    --> pidl-core/src/lib.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         write!(s, "{}", self);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let _ = write!(s, "{}", self);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> pidl-core/src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     match a.strip_prefix("R") {
[INFO] [stdout] 130 | |         Some(b) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 163 |       todo!()
[INFO] [stdout]     |       ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pidl-rust v0.1.1 (/opt/rustwide/workdir/pidl-rust)
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Arg::Prim { name, ann, params } => match name.as_str() {
[INFO] [stdout]    |                           ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Arg::Resource { ty, ann } => {
[INFO] [stdout]    |                             ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Arg::Prim { name, ann, params } => match name.as_str(){
[INFO] [stdout]    |                           ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Arg::Resource { ty, ann } => {
[INFO] [stdout]    |                             ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Arg::Prim { name, ann, params } => match name.as_str() {
[INFO] [stdout]    |                           ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Arg::Resource { ty, ann } => {
[INFO] [stdout]    |                             ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Arg::Prim { name, ann, params } => match name.as_str(){
[INFO] [stdout]    |                           ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ann`
[INFO] [stdout]   --> pidl-rust/src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Arg::Resource { ty, ann } => {
[INFO] [stdout]    |                             ^^^ help: try ignoring the field: `ann: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> pidl-core/src/lib.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         write!(s, "{}", self);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let _ = write!(s, "{}", self);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: higher-kinded-types v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "d5abae6d69f3fb2aaf8cd6c38115f91289dad8655b2e718e7fe66b15ffc8850c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5abae6d69f3fb2aaf8cd6c38115f91289dad8655b2e718e7fe66b15ffc8850c", kill_on_drop: false }`
[INFO] [stdout] d5abae6d69f3fb2aaf8cd6c38115f91289dad8655b2e718e7fe66b15ffc8850c
