[INFO] updating cached repository https://github.com/fijk/smtp-rs
[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] 621937ce802e273a2a0d5649af4ba9da8348d968
[INFO] testing fijk/smtp-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijk%2Fsmtp-rs" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fijk/smtp-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fijk/smtp-rs
[INFO] finished tweaking git repo https://github.com/fijk/smtp-rs
[INFO] tweaked toml for git repo https://github.com/fijk/smtp-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/fijk/smtp-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "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] 1411904387f8fbf209ba069c2d44a2d69fd8b735dcf2da1278a1436620a56ae7
[INFO] running `"docker" "start" "-a" "1411904387f8fbf209ba069c2d44a2d69fd8b735dcf2da1278a1436620a56ae7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling smtp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `err` in `std`
[INFO] [stderr]   --> src/lib.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |     impl std::err::Error for SmtpCommandError {
[INFO] [stderr]    |               ^^^ could not find `err` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `hash_map` in `std`
[INFO] [stderr]   --> src/lib.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         users: std::hash_map::HashMap<String, u64>,
[INFO] [stderr]    |                     ^^^^^^^^ could not find `hash_map` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `hash_map` in `std`
[INFO] [stderr]   --> src/lib.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 users: std::hash_map::HashMap::new(),
[INFO] [stderr]    |                             ^^^^^^^^ could not find `hash_map` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `err` in `self`
[INFO] [stderr]    --> src/lib.rs:127:62
[INFO] [stderr]     |
[INFO] [stderr] 127 |         pub fn from(text: &str) -> Result<SmtpCommand, self::err::SmtpCommandError> {
[INFO] [stderr]     |                                                              ^^^ could not find `err` in `self`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected function, tuple struct or tuple variant, found struct `Response`
[INFO] [stderr]    --> src/lib.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     Response(SmtpResponse::Ok, response_body) // TODO
[INFO] [stderr]     |     ^^^^^^^^ constructor is not visible here due to private fields
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: tuple struct constructor `Response` is private
[INFO] [stderr]    --> src/lib.rs:220:15
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub struct Response(SmtpResponse, String);
[INFO] [stderr]     |                         -------------------- a constructor is private if any of the fields is private
[INFO] [stderr] ...
[INFO] [stderr] 220 |     protocol::Response(SmtpResponse::Ok, String::new()) // that was easy.
[INFO] [stderr]     |               ^^^^^^^^ private tuple struct constructor
[INFO] [stderr]     |
[INFO] [stderr] note: the tuple struct constructor `Response` is defined here
[INFO] [stderr]    --> src/lib.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub struct Response(SmtpResponse, String);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0423, E0433, E0603.
[INFO] [stderr] For more information about an error, try `rustc --explain E0423`.
[INFO] [stderr] error: could not compile `smtp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1411904387f8fbf209ba069c2d44a2d69fd8b735dcf2da1278a1436620a56ae7"`
[INFO] running `"docker" "rm" "-f" "1411904387f8fbf209ba069c2d44a2d69fd8b735dcf2da1278a1436620a56ae7"`
[INFO] [stdout] 1411904387f8fbf209ba069c2d44a2d69fd8b735dcf2da1278a1436620a56ae7