[INFO] updating cached repository https://github.com/mk2/muun [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 114272a0f85763fecd44960e25eb66a4b8877579 [INFO] testing mk2/muun against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmk2%2Fmuun" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mk2/muun on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mk2/muun [INFO] finished tweaking git repo https://github.com/mk2/muun [INFO] tweaked toml for git repo https://github.com/mk2/muun written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mk2/muun already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /big/crater/work/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 80361346d3296852faeccafc1c62359dc8c0a96e37a23159adc4202f8e83161e [INFO] running `"docker" "start" "-a" "80361346d3296852faeccafc1c62359dc8c0a96e37a23159adc4202f8e83161e"` [INFO] [stderr] Compiling muun v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/parse/parser.rs:480:13 [INFO] [stderr] | [INFO] [stderr] 480 | /// right associative, 1 ^ ( 10 ^ 9 ) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 481 | Kind::Pow => (10, 9), [INFO] [stderr] | -------------------- rustdoc does not generate documentation for match arms [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/parse/parser.rs:483:13 [INFO] [stderr] | [INFO] [stderr] 483 | /// right associative, 1 ^ ( 10 ^ 9 ) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 484 | Kind::Ddot => (5, 4), [INFO] [stderr] | -------------------- rustdoc does not generate documentation for match arms [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::expr::Expr` [INFO] [stderr] --> src/parse/ast/stmt.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use super::expr::Expr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Rc`, `Weak` [INFO] [stderr] --> src/parse/parser.rs:25:15 [INFO] [stderr] | [INFO] [stderr] 25 | use std::rc::{Rc, Weak}; [INFO] [stderr] | ^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/parse/parser.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::ast::tree::Node` [INFO] [stderr] --> src/parse/parser.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | use super::ast::tree::Node; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::ast::stmt::Stmt` [INFO] [stderr] --> src/parse/parser.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | use super::ast::stmt::Stmt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/parse/parser.rs:93:1 [INFO] [stderr] | [INFO] [stderr] 93 | / macro_rules! try_parse { [INFO] [stderr] 94 | | ($e:expr) => { [INFO] [stderr] 95 | | { [INFO] [stderr] 96 | | let parse_result = try!($e); [INFO] [stderr] 97 | | } [INFO] [stderr] 98 | | } [INFO] [stderr] 99 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parse/parser.rs:275:58 [INFO] [stderr] | [INFO] [stderr] 275 | Token{kind:Kind::Fun,value:_,place:_} => self.parse_fun_stmt(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^- help: try adding a semicolon: `;` [INFO] [stderr] | | [INFO] [stderr] | expected (), found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `()` [INFO] [stderr] found type `std::result::Result, parse::parser::ParseError<'_>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `muun`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "80361346d3296852faeccafc1c62359dc8c0a96e37a23159adc4202f8e83161e"` [INFO] running `"docker" "rm" "-f" "80361346d3296852faeccafc1c62359dc8c0a96e37a23159adc4202f8e83161e"` [INFO] [stdout] 80361346d3296852faeccafc1c62359dc8c0a96e37a23159adc4202f8e83161e