[INFO] fetching crate lark-error 0.1.0...
[INFO] checking lark-error-0.1.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate lark-error 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lark-error 0.1.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lark-error 0.1.0
[INFO] finished tweaking crates.io crate lark-error 0.1.0
[INFO] tweaked toml for crates.io crate lark-error 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e237d259065819729ca121c772e48d88d2d397d6436f035be41637cc4a4d50e
[INFO] running `"docker" "start" "-a" "1e237d259065819729ca121c772e48d88d2d397d6436f035be41637cc4a4d50e"`
[INFO] [stderr]     Checking lark-error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]   --> src/lib.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[derive(Copy, Clone, Debug, DebugWith, PartialEq, Eq, Hash, PartialOrd, Ord)]
[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]   --> src/lib.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[derive(Copy, Clone, Debug, DebugWith, PartialEq, Eq, Hash, PartialOrd, Ord)]
[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 1.21s
[INFO] running `"docker" "inspect" "1e237d259065819729ca121c772e48d88d2d397d6436f035be41637cc4a4d50e"`
[INFO] running `"docker" "rm" "-f" "1e237d259065819729ca121c772e48d88d2d397d6436f035be41637cc4a4d50e"`
[INFO] [stdout] 1e237d259065819729ca121c772e48d88d2d397d6436f035be41637cc4a4d50e