[INFO] updating cached repository Valtis/Frontend
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Valtis/Frontend
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Valtis/Frontend" "work/ex/beta-1.38-1/sources/1.37.0/gh/Valtis/Frontend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Valtis/Frontend'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Valtis/Frontend" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Valtis/Frontend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Valtis/Frontend'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4aa01d44abb702b54eff68beddac3713402e725a
[INFO] sha for GitHub repo Valtis/Frontend: 4aa01d44abb702b54eff68beddac3713402e725a
[INFO] validating manifest of Valtis/Frontend on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Valtis/Frontend on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Valtis/Frontend
[INFO] finished frobbing Valtis/Frontend
[INFO] frobbed toml for Valtis/Frontend written to work/ex/beta-1.38-1/sources/1.37.0/gh/Valtis/Frontend/Cargo.toml
[INFO] started frobbing Valtis/Frontend
[INFO] finished frobbing Valtis/Frontend
[INFO] frobbed toml for Valtis/Frontend written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Valtis/Frontend/Cargo.toml
[INFO] crate Valtis/Frontend already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Valtis/Frontend against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Valtis/Frontend:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 94571b37788999241f1d716d0381892034242efee1d00f3428cbf22c78f8a542
[INFO] running `"docker" "start" "-a" "94571b37788999241f1d716d0381892034242efee1d00f3428cbf22c78f8a542"`
[INFO] [stderr]    Compiling compiler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: expected argument name, found `:`
[INFO] [stderr]    --> src/parser/mod.rs:656:25
[INFO] [stderr]     |
[INFO] [stderr] 656 |     let factor_err =  |&: parser:&mut Parser, token:&SyntaxToken| -> bool {
[INFO] [stderr]     |                         ^ expected argument name
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> src/token/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Show` in this scope
[INFO] [stderr]  --> src/token/mod.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[derive(Eq, PartialEq, Show, Copy)]
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Show` in this scope
[INFO] [stderr]   --> src/token/mod.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[derive(PartialEq, Show, Copy)]
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Show` in this scope
[INFO] [stderr]    --> src/token/mod.rs:138:10
[INFO] [stderr]     |
[INFO] [stderr] 138 | #[derive(Show, Copy)]
[INFO] [stderr]     |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `String` in `fmt`
[INFO] [stderr]   --> src/token/mod.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fmt::String::fmt(
[INFO] [stderr]    |          ^^^^^^ could not find `String` in `fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `String` in module `fmt`
[INFO] [stderr]   --> src/token/mod.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl fmt::String for TokenType {
[INFO] [stderr]    |           ^^^^^^ not found in `fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `String` in module `fmt`
[INFO] [stderr]    --> src/token/mod.rs:104:11
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl fmt::String for TokenSubType {
[INFO] [stderr]     |           ^^^^^^ not found in `fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]    --> src/parser/mod.rs:264:15
[INFO] [stderr]     |
[INFO] [stderr] 264 |         match (token.t_type) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]    --> src/parser/mod.rs:603:17
[INFO] [stderr]     |
[INFO] [stderr] 603 |           match (token.t_subtype) {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 2
[INFO] [stderr]   --> src/lexer/mod.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |   iter: iter::Peekable<char, str::Chars<'a>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0405, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: Could not compile `compiler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "94571b37788999241f1d716d0381892034242efee1d00f3428cbf22c78f8a542"`
[INFO] running `"docker" "rm" "-f" "94571b37788999241f1d716d0381892034242efee1d00f3428cbf22c78f8a542"`
[INFO] [stdout] 94571b37788999241f1d716d0381892034242efee1d00f3428cbf22c78f8a542