[INFO] crate nom-peg 0.1.1 is already in cache
[INFO] extracting crate nom-peg 0.1.1 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/nom-peg/0.1.1
[INFO] extracting crate nom-peg 0.1.1 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/nom-peg/0.1.1
[INFO] validating manifest of nom-peg-0.1.1 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nom-peg-0.1.1 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nom-peg-0.1.1
[INFO] finished frobbing nom-peg-0.1.1
[INFO] frobbed toml for nom-peg-0.1.1 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/nom-peg/0.1.1/Cargo.toml
[INFO] started frobbing nom-peg-0.1.1
[INFO] finished frobbing nom-peg-0.1.1
[INFO] frobbed toml for nom-peg-0.1.1 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/nom-peg/0.1.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nom-peg-0.1.1 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/nom-peg/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df8bcf64c2871bd656ba34a1b39cadd4f64e6e5fb5cfd7ffa28719f33a10f9bb
[INFO] running `"docker" "start" "-a" "df8bcf64c2871bd656ba34a1b39cadd4f64e6e5fb5cfd7ffa28719f33a10f9bb"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking nom-peg v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]   --> tests/basic.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |       let arithmetic = grammar! {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 40 | |         parse: i64 = <expr> "="
[INFO] [stderr] 41 | |
[INFO] [stderr] 42 | |         expr: i64 = <l: product> "+" <r: expr> => { l + r }
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |                    | "(" <expr> ")"
[INFO] [stderr] 52 | |     };
[INFO] [stderr]    | |_____^ invalid suffix `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stderr]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stderr]    = note: for more context, see https://github.com/rust-lang/rust/issues/60210
[INFO] [stderr] 
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]   --> tests/json.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |       let json = grammar! {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 26 | |         parse: JsonValue = <value> "="
[INFO] [stderr] 27 | |
[INFO] [stderr] 28 | |         num: f32 = ::recognize_float => { result.parse::<f32>().unwrap() }
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |                          | boolean => { JsonValue::Boolean(result) }
[INFO] [stderr] 52 | |     };
[INFO] [stderr]    | |_____^ invalid suffix `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stderr]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stderr]    = note: for more context, see https://github.com/rust-lang/rust/issues/60210
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `"docker" "inspect" "df8bcf64c2871bd656ba34a1b39cadd4f64e6e5fb5cfd7ffa28719f33a10f9bb"`
[INFO] running `"docker" "rm" "-f" "df8bcf64c2871bd656ba34a1b39cadd4f64e6e5fb5cfd7ffa28719f33a10f9bb"`
[INFO] [stdout] df8bcf64c2871bd656ba34a1b39cadd4f64e6e5fb5cfd7ffa28719f33a10f9bb