[INFO] fetching crate ley 0.0.5... [INFO] building ley-0.0.5 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate ley 0.0.5 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ley 0.0.5 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-3-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba36516772aa2b17a0d314e1d8b3838de6f6c3563d4b4c13578c1a9b4ad7f962 [INFO] running `Command { std: "docker" "start" "-a" "ba36516772aa2b17a0d314e1d8b3838de6f6c3563d4b4c13578c1a9b4ad7f962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba36516772aa2b17a0d314e1d8b3838de6f6c3563d4b4c13578c1a9b4ad7f962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba36516772aa2b17a0d314e1d8b3838de6f6c3563d4b4c13578c1a9b4ad7f962", kill_on_drop: false }` [INFO] [stdout] ba36516772aa2b17a0d314e1d8b3838de6f6c3563d4b4c13578c1a9b4ad7f962 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 097886df681f2f0a79ab4ce20408ef8e60f1a4a8b066a3acbc5835f4bb9e9d75 [INFO] running `Command { std: "docker" "start" "-a" "097886df681f2f0a79ab4ce20408ef8e60f1a4a8b066a3acbc5835f4bb9e9d75", kill_on_drop: false }` [INFO] [stderr] Compiling 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 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: elided lifetime has a name [INFO] [stdout] --> src/ley.rs:54:72 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn from_lines<'a>(mut ley_lines: LeyLines<'a>) -> Result { [INFO] [stdout] | -- lifetime `'a` declared here ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/ley.rs:93:53 [INFO] [stdout] | [INFO] [stdout] 92 | impl <'a> LeyLines<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 93 | pub fn new(mut source: &'a str) -> Result { [INFO] [stdout] | ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/ley.rs:236:68 [INFO] [stdout] | [INFO] [stdout] 212 | impl<'a> String<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 236 | pub fn from_lines(mut ley_lines: LeyLines<'a>) -> Result { [INFO] [stdout] | ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [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> { [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, ParseError<'_>>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result, ParseError<'_>>` [INFO] [stdout] = help: the trait `FromResidual>` is implemented for `Result` [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> { [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, ParseError<'_>>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result, ParseError<'_>>` [INFO] [stdout] = help: the trait `FromResidual>` is implemented for `Result` [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> { [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, ParseError<'_>>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result, ParseError<'_>>` [INFO] [stdout] = help: the trait `FromResidual>` is implemented for `Result` [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> { [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, ParseError<'_>>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result, ParseError<'_>>` [INFO] [stdout] = help: the trait `FromResidual>` is implemented for `Result` [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> { [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, ParseError<'_>>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result, ParseError<'_>>` [INFO] [stdout] = help: the trait `FromResidual>` is implemented for `Result` [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 8 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "097886df681f2f0a79ab4ce20408ef8e60f1a4a8b066a3acbc5835f4bb9e9d75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "097886df681f2f0a79ab4ce20408ef8e60f1a4a8b066a3acbc5835f4bb9e9d75", kill_on_drop: false }` [INFO] [stdout] 097886df681f2f0a79ab4ce20408ef8e60f1a4a8b066a3acbc5835f4bb9e9d75