[INFO] updating cached repository fijk/smtp-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fijk/smtp-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fijk/smtp-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/fijk/smtp-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fijk/smtp-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fijk/smtp-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fijk/smtp-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fijk/smtp-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 621937ce802e273a2a0d5649af4ba9da8348d968
[INFO] sha for GitHub repo fijk/smtp-rs: 621937ce802e273a2a0d5649af4ba9da8348d968
[INFO] validating manifest of fijk/smtp-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fijk/smtp-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fijk/smtp-rs
[INFO] finished frobbing fijk/smtp-rs
[INFO] frobbed toml for fijk/smtp-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/fijk/smtp-rs/Cargo.toml
[INFO] started frobbing fijk/smtp-rs
[INFO] finished frobbing fijk/smtp-rs
[INFO] frobbed toml for fijk/smtp-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fijk/smtp-rs/Cargo.toml
[INFO] crate fijk/smtp-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fijk/smtp-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fijk/smtp-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 81f3bbdbbef202df0391b64a7d36ee1c28e12e2ec3dfcdee06ca6c938cee3b40
[INFO] running `"docker" "start" "-a" "81f3bbdbbef202df0391b64a7d36ee1c28e12e2ec3dfcdee06ca6c938cee3b40"`
[INFO] [stderr]    Compiling smtp v0.1.0 (/opt/crater/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, 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 `Response` is private
[INFO] [stderr]    --> src/lib.rs:220:15
[INFO] [stderr]     |
[INFO] [stderr] 220 |     protocol::Response(SmtpResponse::Ok, String::new()) // that was easy.
[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" "81f3bbdbbef202df0391b64a7d36ee1c28e12e2ec3dfcdee06ca6c938cee3b40"`
[INFO] running `"docker" "rm" "-f" "81f3bbdbbef202df0391b64a7d36ee1c28e12e2ec3dfcdee06ca6c938cee3b40"`
[INFO] [stdout] 81f3bbdbbef202df0391b64a7d36ee1c28e12e2ec3dfcdee06ca6c938cee3b40