[INFO] updating cached repository https://github.com/tuggan/rcat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2af6acd8a2dc18b84ccdd0e25dfd7e2eaab53e9b
[INFO] testing tuggan/rcat against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Frcat" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuggan/rcat on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tuggan/rcat
[INFO] finished tweaking git repo https://github.com/tuggan/rcat
[INFO] tweaked toml for git repo https://github.com/tuggan/rcat written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tuggan/rcat already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4876cb35d223671d78d21afd074f594016e38cbab6862dfa646da64f467debed
[INFO] running `"docker" "start" "-a" "4876cb35d223671d78d21afd074f594016e38cbab6862dfa646da64f467debed"`
[INFO] [stderr]    Compiling rcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `st_blksize` found for struct `std::fs::Metadata` in the current scope
[INFO] [stderr]    --> src/file_helper.rs:33:40
[INFO] [stderr]     |
[INFO] [stderr] 33  |             return Result::Ok(metadata.st_blksize());
[INFO] [stderr]     |                                        ^^^^^^^^^^ method not found in `std::fs::Metadata`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::os::linux::fs::MetadataExt;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rcat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4876cb35d223671d78d21afd074f594016e38cbab6862dfa646da64f467debed"`
[INFO] running `"docker" "rm" "-f" "4876cb35d223671d78d21afd074f594016e38cbab6862dfa646da64f467debed"`
[INFO] [stdout] 4876cb35d223671d78d21afd074f594016e38cbab6862dfa646da64f467debed