[INFO] updating cached repository https://github.com/suhr/conc [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] 572cdd54dd2c90795976d24f4da669a789b9024c [INFO] testing suhr/conc against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fconc" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/suhr/conc on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/suhr/conc [INFO] finished tweaking git repo https://github.com/suhr/conc [INFO] tweaked toml for git repo https://github.com/suhr/conc written to work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/suhr/conc already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] d6f35c35fb6c69433563a8124f9c43373e5bde89ab5200d6b227379467cfbc72 [INFO] running `"docker" "start" "-a" "d6f35c35fb6c69433563a8124f9c43373e5bde89ab5200d6b227379467cfbc72"` [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling conc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0432]: unresolved import `std::io::Chars` [INFO] [stderr] --> src/parser/lexer.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{self, Chars, BufReader, Read}; [INFO] [stderr] | ^^^^^ no `Chars` in `io` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `self::io::CharsError` [INFO] [stderr] --> src/parser/lexer.rs:86:23 [INFO] [stderr] | [INFO] [stderr] 86 | use self::io::CharsError::*; [INFO] [stderr] | ^^^^^^^^^^ could not find `CharsError` in `io` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stderr] --> src/parser/lexer.rs:84:31 [INFO] [stderr] | [INFO] [stderr] 84 | impl ::std::convert::From for LexerError { [INFO] [stderr] | ^^^^^^^^^^ not found in `io` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stderr] --> src/parser/lexer.rs:85:22 [INFO] [stderr] | [INFO] [stderr] 85 | fn from(err: io::CharsError) -> Self { [INFO] [stderr] | ^^^^^^^^^^ not found in `io` [INFO] [stderr] [INFO] [stderr] error[E0531]: cannot find tuple struct/variant `Other` in this scope [INFO] [stderr] --> src/parser/lexer.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | Other(e) => LexerError::IoError(e), [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(io)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:118:13 [INFO] [stderr] | [INFO] [stderr] 118 | '0' ... '9' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | 'a' ... 'f' [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:126:15 [INFO] [stderr] | [INFO] [stderr] 126 | | 'A' ... 'F' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | 'a' ... 'z' [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:134:15 [INFO] [stderr] | [INFO] [stderr] 134 | | 'A' ... 'Z' [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | '!' ... '&' [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:143:15 [INFO] [stderr] | [INFO] [stderr] 143 | | '*' ... '/' [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser/lexer.rs:144:15 [INFO] [stderr] | [INFO] [stderr] 144 | | ':' ... '@' [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused import: `LexerError` [INFO] [stderr] --> src/parser/lexer.rs:588:24 [INFO] [stderr] | [INFO] [stderr] 588 | use super::{Lexer, LexerError}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Lexeme` is imported redundantly [INFO] [stderr] --> src/parser/mod.rs:536:9 [INFO] [stderr] | [INFO] [stderr] 3 | use self::lexer::{Lexer, Token, Lexeme, LexerError, Position}; [INFO] [stderr] | ------ the item `Lexeme` is already imported here [INFO] [stderr] ... [INFO] [stderr] 536 | use self::Lexeme; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `chars` found for type `std::io::BufReader` in the current scope [INFO] [stderr] --> src/parser/lexer.rs:164:52 [INFO] [stderr] | [INFO] [stderr] 164 | let mut char_iter = BufReader::new(reader).chars(); [INFO] [stderr] | ^^^^^ method not found in `std::io::BufReader` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/analysis/mod.rs:365:21 [INFO] [stderr] | [INFO] [stderr] 364 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 365 | trans.level += 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0554, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0412`. [INFO] [stderr] error: could not compile `conc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d6f35c35fb6c69433563a8124f9c43373e5bde89ab5200d6b227379467cfbc72"` [INFO] running `"docker" "rm" "-f" "d6f35c35fb6c69433563a8124f9c43373e5bde89ab5200d6b227379467cfbc72"` [INFO] [stdout] d6f35c35fb6c69433563a8124f9c43373e5bde89ab5200d6b227379467cfbc72