[INFO] crate nom-peg 0.1.1 is already in cache
[INFO] checking nom-peg-0.1.1 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate nom-peg 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nom-peg 0.1.1 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nom-peg 0.1.1
[INFO] finished tweaking crates.io crate nom-peg 0.1.1
[INFO] tweaked toml for crates.io crate nom-peg 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6c77cf3d9d0e748562f160dd74bfe9da753dc222e72d92546b166b3bad466469
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6c77cf3d9d0e748562f160dd74bfe9da753dc222e72d92546b166b3bad466469"`
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling nom-peg v0.1.1 (/opt/rustwide/workdir)
[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: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[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: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `"docker" "inspect" "6c77cf3d9d0e748562f160dd74bfe9da753dc222e72d92546b166b3bad466469"`
[INFO] running `"docker" "rm" "-f" "6c77cf3d9d0e748562f160dd74bfe9da753dc222e72d92546b166b3bad466469"`
[INFO] [stdout] 6c77cf3d9d0e748562f160dd74bfe9da753dc222e72d92546b166b3bad466469