[INFO] updating cached repository golubov-andrey/rsmail-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/golubov-andrey/rsmail-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/golubov-andrey/rsmail-cli" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/golubov-andrey/rsmail-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/golubov-andrey/rsmail-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/golubov-andrey/rsmail-cli" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/golubov-andrey/rsmail-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/golubov-andrey/rsmail-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f1085b6571343b8148d9fa8d5f29c8f6035a14e
[INFO] sha for GitHub repo golubov-andrey/rsmail-cli: 4f1085b6571343b8148d9fa8d5f29c8f6035a14e
[INFO] validating manifest of golubov-andrey/rsmail-cli on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of golubov-andrey/rsmail-cli on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing golubov-andrey/rsmail-cli
[INFO] finished frobbing golubov-andrey/rsmail-cli
[INFO] frobbed toml for golubov-andrey/rsmail-cli written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/golubov-andrey/rsmail-cli/Cargo.toml
[INFO] started frobbing golubov-andrey/rsmail-cli
[INFO] finished frobbing golubov-andrey/rsmail-cli
[INFO] frobbed toml for golubov-andrey/rsmail-cli written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/golubov-andrey/rsmail-cli/Cargo.toml
[INFO] crate golubov-andrey/rsmail-cli already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking golubov-andrey/rsmail-cli against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/golubov-andrey/rsmail-cli:/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=forbid" "-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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ab42a701d5fab59e7021c18f7f7f27a8befffddb0c996854574454a51a94eba
[INFO] running `"docker" "start" "-a" "8ab42a701d5fab59e7021c18f7f7f27a8befffddb0c996854574454a51a94eba"`
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]     Checking imap v0.10.0
[INFO] [stderr]     Checking rsmail-cli v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     Ctx::init(User::from_cli())
[INFO] [stderr] 12 | |         .map(|mut ctx| {
[INFO] [stderr] 13 | |             ctx.session.select("INBOX").unwrap();
[INFO] [stderr] 14 | |             ctx.session.fetch("1", "RFC822")
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |                 });
[INFO] [stderr] 28 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | /             ctx.session.fetch("1", "RFC822")
[INFO] [stderr] 15 | |                 .map(|messages| {
[INFO] [stderr] 16 | |                     let message = messages.iter().next().unwrap();
[INFO] [stderr] 17 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |                     println!("{}", body);
[INFO] [stderr] 27 | |                 });
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     ctx.session.logout();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     Ctx::init(User::from_cli())
[INFO] [stderr] 12 | |         .map(|mut ctx| {
[INFO] [stderr] 13 | |             ctx.session.select("INBOX").unwrap();
[INFO] [stderr] 14 | |             ctx.session.fetch("1", "RFC822")
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |                 });
[INFO] [stderr] 28 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | /             ctx.session.fetch("1", "RFC822")
[INFO] [stderr] 15 | |                 .map(|messages| {
[INFO] [stderr] 16 | |                     let message = messages.iter().next().unwrap();
[INFO] [stderr] 17 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |                     println!("{}", body);
[INFO] [stderr] 27 | |                 });
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     ctx.session.logout();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `"docker" "inspect" "8ab42a701d5fab59e7021c18f7f7f27a8befffddb0c996854574454a51a94eba"`
[INFO] running `"docker" "rm" "-f" "8ab42a701d5fab59e7021c18f7f7f27a8befffddb0c996854574454a51a94eba"`
[INFO] [stdout] 8ab42a701d5fab59e7021c18f7f7f27a8befffddb0c996854574454a51a94eba