[INFO] fetching crate ley 0.0.5...
[INFO] checking ley-0.0.5 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ley 0.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ley 0.0.5 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ley 0.0.5
[INFO] finished tweaking crates.io crate ley 0.0.5
[INFO] tweaked toml for crates.io crate ley 0.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ley 0.0.5 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a398a1c20fd306ce467d9b914590d953571dfbe5ed55c4c7c658c8608af4434
[INFO] running `Command { std: "docker" "start" "-a" "6a398a1c20fd306ce467d9b914590d953571dfbe5ed55c4c7c658c8608af4434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a398a1c20fd306ce467d9b914590d953571dfbe5ed55c4c7c658c8608af4434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a398a1c20fd306ce467d9b914590d953571dfbe5ed55c4c7c658c8608af4434", kill_on_drop: false }`
[INFO] [stdout] 6a398a1c20fd306ce467d9b914590d953571dfbe5ed55c4c7c658c8608af4434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d2f7f41e7a46c86e325af1ab64b620ed1396e3a971871602feb10a077898f13
[INFO] running `Command { std: "docker" "start" "-a" "0d2f7f41e7a46c86e325af1ab64b620ed1396e3a971871602feb10a077898f13", kill_on_drop: false }`
[INFO] [stderr]     Checking ley v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:427:28
[INFO] [stdout]     |
[INFO] [stdout] 427 | impl<'a> From<std::option::NoneError> for ParseError<'a> {
[INFO] [stdout]     |                            ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:428:29
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn from(_: std::option::NoneError) -> Self {
[INFO] [stdout]     |                             ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::VecDeque, env, fs::{File, read_dir}, io::{Read, Write}, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/fmt.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, fs::File, io::{self, Write}, path::PathBuf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fmt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::catch`
[INFO] [stdout]  --> src/fmt.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::catch;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:427:28
[INFO] [stdout]     |
[INFO] [stdout] 427 | impl<'a> From<std::option::NoneError> for ParseError<'a> {
[INFO] [stdout]     |                            ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:428:29
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn from(_: std::option::NoneError) -> Self {
[INFO] [stdout]     |                             ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::VecDeque, env, fs::{File, read_dir}, io::{Read, Write}, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/fmt.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, fs::File, io::{self, Write}, path::PathBuf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fmt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::catch`
[INFO] [stdout]  --> src/fmt.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::catch;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] 136 |         use Token::*;
[INFO] [stdout] 137 |         match token_stream.next()? {
[INFO] [stdout]     |                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 140 |                 let comment = match token_stream.next()? {
[INFO] [stdout]     |                                                        ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:145:53
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 145 |                 let kind = match token_stream.next()? {
[INFO] [stdout]     |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:147:48
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 147 |                         if *token_stream.next()? != Token::OpenBrace {
[INFO] [stdout]     |                                                ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 160 |                 while *token_stream.peek()? != CloseBrace {
[INFO] [stdout]     |                                           ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] 136 |         use Token::*;
[INFO] [stdout] 137 |         match token_stream.next()? {
[INFO] [stdout]     |                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 140 |                 let comment = match token_stream.next()? {
[INFO] [stdout]     |                                                        ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:145:53
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 145 |                 let kind = match token_stream.next()? {
[INFO] [stdout]     |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:147:48
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 147 |                         if *token_stream.next()? != Token::OpenBrace {
[INFO] [stdout]     |                                                ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 160 |                 while *token_stream.peek()? != CloseBrace {
[INFO] [stdout]     |                                           ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ley` (bin "ley" test) due to 9 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ley` (bin "ley") due to 9 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0d2f7f41e7a46c86e325af1ab64b620ed1396e3a971871602feb10a077898f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2f7f41e7a46c86e325af1ab64b620ed1396e3a971871602feb10a077898f13", kill_on_drop: false }`
[INFO] [stdout] 0d2f7f41e7a46c86e325af1ab64b620ed1396e3a971871602feb10a077898f13
[INFO] checking ley-0.0.5 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate ley 0.0.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ley 0.0.5 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ley 0.0.5
[INFO] finished tweaking crates.io crate ley 0.0.5
[INFO] tweaked toml for crates.io crate ley 0.0.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate ley 0.0.5 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ebbe47fd58be82e8b5dc24d9cef77fb624861f6db6ce5e0c7cbebead2a2972c
[INFO] running `Command { std: "docker" "start" "-a" "8ebbe47fd58be82e8b5dc24d9cef77fb624861f6db6ce5e0c7cbebead2a2972c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ebbe47fd58be82e8b5dc24d9cef77fb624861f6db6ce5e0c7cbebead2a2972c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebbe47fd58be82e8b5dc24d9cef77fb624861f6db6ce5e0c7cbebead2a2972c", kill_on_drop: false }`
[INFO] [stdout] 8ebbe47fd58be82e8b5dc24d9cef77fb624861f6db6ce5e0c7cbebead2a2972c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2318c2dc2a1ae66aa3a569e7da5c54184fafdb8fda1a81c3632292458cae8d
[INFO] running `Command { std: "docker" "start" "-a" "ea2318c2dc2a1ae66aa3a569e7da5c54184fafdb8fda1a81c3632292458cae8d", kill_on_drop: false }`
[INFO] [stderr]     Checking ley v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:427:28
[INFO] [stdout]     |
[INFO] [stdout] 427 | impl<'a> From<std::option::NoneError> for ParseError<'a> {
[INFO] [stdout]     |                            ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:427:28
[INFO] [stdout]     |
[INFO] [stdout] 427 | impl<'a> From<std::option::NoneError> for ParseError<'a> {
[INFO] [stdout]     |                            ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:428:29
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn from(_: std::option::NoneError) -> Self {
[INFO] [stdout]     |                             ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]    --> src/ley.rs:428:29
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn from(_: std::option::NoneError) -> Self {
[INFO] [stdout]     |                             ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::VecDeque, env, fs::{File, read_dir}, io::{Read, Write}, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/fmt.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, fs::File, io::{self, Write}, path::PathBuf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fmt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::catch`
[INFO] [stdout]  --> src/fmt.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::catch;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::VecDeque, env, fs::{File, read_dir}, io::{Read, Write}, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/fmt.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, fs::File, io::{self, Write}, path::PathBuf};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fmt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::catch`
[INFO] [stdout]  --> src/fmt.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::catch;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `try_trait`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] 136 |         use Token::*;
[INFO] [stdout] 137 |         match token_stream.next()? {
[INFO] [stdout]     |                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 140 |                 let comment = match token_stream.next()? {
[INFO] [stdout]     |                                                        ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:145:53
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 145 |                 let kind = match token_stream.next()? {
[INFO] [stdout]     |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] 136 |         use Token::*;
[INFO] [stdout] 137 |         match token_stream.next()? {
[INFO] [stdout]     |                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:147:48
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 147 |                         if *token_stream.next()? != Token::OpenBrace {
[INFO] [stdout]     |                                                ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 140 |                 let comment = match token_stream.next()? {
[INFO] [stdout]     |                                                        ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:145:53
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 145 |                 let kind = match token_stream.next()? {
[INFO] [stdout]     |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 160 |                 while *token_stream.peek()? != CloseBrace {
[INFO] [stdout]     |                                           ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:147:48
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 147 |                         if *token_stream.next()? != Token::OpenBrace {
[INFO] [stdout]     |                                                ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/ley.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn parse(token_stream: &mut TokenIter<'a, '_, '_>) -> Result<Self, ParseError<'a>> {
[INFO] [stdout]     |     -------------------------------------------------------------------------------------- this function returns a `Result`
[INFO] [stdout] ...
[INFO] [stdout] 160 |                 while *token_stream.peek()? != CloseBrace {
[INFO] [stdout]     |                                           ^ use `.ok_or(...)?` to provide an error compatible with `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<ley::LeyLine<'_>, ParseError<'_>>`
[INFO] [stdout]     = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]               <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]               <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ley` (bin "ley") due to 9 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ley` (bin "ley" test) due to 9 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ea2318c2dc2a1ae66aa3a569e7da5c54184fafdb8fda1a81c3632292458cae8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2318c2dc2a1ae66aa3a569e7da5c54184fafdb8fda1a81c3632292458cae8d", kill_on_drop: false }`
[INFO] [stdout] ea2318c2dc2a1ae66aa3a569e7da5c54184fafdb8fda1a81c3632292458cae8d
