[INFO] crate derive_less 0.2.0 is already in cache
[INFO] checking derive_less-0.2.0 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68746
[INFO] extracting crate derive_less 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate derive_less 0.2.0 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate derive_less 0.2.0
[INFO] finished tweaking crates.io crate derive_less 0.2.0
[INFO] tweaked toml for crates.io crate derive_less 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2981f897caa7d4d2a72725dcb42e6e9c66ba71ce0a2bc28ae0fb72d14494555e
[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" "2981f897caa7d4d2a72725dcb42e6e9c66ba71ce0a2bc28ae0fb72d14494555e"`
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling derive_less v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: `derive` may only be applied to structs, enums and unions
[INFO] [stderr]  --> examples/simple.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 |     #[derive(Debug)] pub struct __ { #[derive(Debug)] pub __:__ }
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected an inert attribute, found a derive macro
[INFO] [stderr]  --> examples/simple.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 |     #[derive(Debug)] pub struct __ { #[derive(Debug)] pub __:__ }
[INFO] [stderr]   |                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: `derive` may only be applied to structs, enums and unions
[INFO] [stderr]  --> examples/simple.rs:8:38
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[derive(Clone)] pub enum   __ { #[derive(Debug)]     __    }
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected an inert attribute, found a derive macro
[INFO] [stderr]  --> examples/simple.rs:8:47
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[derive(Clone)] pub enum   __ { #[derive(Debug)]     __    }
[INFO] [stderr]   |                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `derive_less`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: `derive` may only be applied to structs, enums and unions
[INFO] [stderr]  --> examples/mixed_public.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 |     #[derive(Debug)] pub struct __ { #[derive(Clone)] pub __:__ }
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected an inert attribute, found a derive macro
[INFO] [stderr]  --> examples/mixed_public.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 |     #[derive(Debug)] pub struct __ { #[derive(Clone)] pub __:__ }
[INFO] [stderr]   |                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `derive_less`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2981f897caa7d4d2a72725dcb42e6e9c66ba71ce0a2bc28ae0fb72d14494555e"`
[INFO] running `"docker" "rm" "-f" "2981f897caa7d4d2a72725dcb42e6e9c66ba71ce0a2bc28ae0fb72d14494555e"`
[INFO] [stdout] 2981f897caa7d4d2a72725dcb42e6e9c66ba71ce0a2bc28ae0fb72d14494555e