[INFO] crate gap_vec 0.1.0 is already in cache
[INFO] testing gap_vec-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate gap_vec 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gap_vec 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gap_vec 0.1.0
[INFO] finished tweaking crates.io crate gap_vec 0.1.0
[INFO] tweaked toml for crates.io crate gap_vec 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7290894516e8bf73aa56f7ac7aec75650ec8df34c604a42d89165eeef2843b71
[INFO] running `"docker" "start" "-a" "7290894516e8bf73aa56f7ac7aec75650ec8df34c604a42d89165eeef2843b71"`
[INFO] [stderr]    Compiling gap_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]    --> src/lib.rs:147:18
[INFO] [stderr]     |
[INFO] [stderr] 147 |         self.buf.cap()
[INFO] [stderr]     |                  ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<_>` in the current scope
[INFO] [stderr]    --> src/lib.rs:306:49
[INFO] [stderr]     |
[INFO] [stderr] 306 |         let new_gap = self.gap.start .. new_buf.cap() - after_gap;
[INFO] [stderr]     |                                                 ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `gap_vec`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7290894516e8bf73aa56f7ac7aec75650ec8df34c604a42d89165eeef2843b71"`
[INFO] running `"docker" "rm" "-f" "7290894516e8bf73aa56f7ac7aec75650ec8df34c604a42d89165eeef2843b71"`
[INFO] [stdout] 7290894516e8bf73aa56f7ac7aec75650ec8df34c604a42d89165eeef2843b71