[INFO] fetching crate s25 0.1.1...
[INFO] testing s25-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate s25 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate s25 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate s25 0.1.1
[INFO] finished tweaking crates.io crate s25 0.1.1
[INFO] tweaked toml for crates.io crate s25 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "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] f149005af36348f16195ded8b91924421f3b8a9ca27955dee4c7af4a68ab035d
[INFO] running `"docker" "start" "-a" "f149005af36348f16195ded8b91924421f3b8a9ca27955dee4c7af4a68ab035d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling s25 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "f149005af36348f16195ded8b91924421f3b8a9ca27955dee4c7af4a68ab035d"`
[INFO] running `"docker" "rm" "-f" "f149005af36348f16195ded8b91924421f3b8a9ca27955dee4c7af4a68ab035d"`
[INFO] [stdout] f149005af36348f16195ded8b91924421f3b8a9ca27955dee4c7af4a68ab035d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c57626d48e269aa6fcd49de61771d5ab6859a47181c941be7e3a264610e346d6
[INFO] running `"docker" "start" "-a" "c57626d48e269aa6fcd49de61771d5ab6859a47181c941be7e3a264610e346d6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling s25 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0616]: field `head` of struct `reader::S25ImageMetadata` is private
[INFO] [stderr]    --> src/writer.rs:239:28
[INFO] [stderr]     |
[INFO] [stderr] 239 |             meta1.metadata.head = 0;
[INFO] [stderr]     |                            ^^^^ private field
[INFO] [stderr] 
[INFO] [stderr] error[E0616]: field `head` of struct `reader::S25ImageMetadata` is private
[INFO] [stderr]    --> src/writer.rs:240:28
[INFO] [stderr]     |
[INFO] [stderr] 240 |             meta2.metadata.head = 0;
[INFO] [stderr]     |                            ^^^^ private field
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0616`.
[INFO] [stderr] error: could not compile `s25`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c57626d48e269aa6fcd49de61771d5ab6859a47181c941be7e3a264610e346d6"`
[INFO] running `"docker" "rm" "-f" "c57626d48e269aa6fcd49de61771d5ab6859a47181c941be7e3a264610e346d6"`
[INFO] [stdout] c57626d48e269aa6fcd49de61771d5ab6859a47181c941be7e3a264610e346d6