[INFO] crate imap 1.0.0 is already in cache
[INFO] extracting crate imap 1.0.0 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/imap/1.0.0
[INFO] extracting crate imap 1.0.0 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/imap/1.0.0
[INFO] validating manifest of imap-1.0.0 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of imap-1.0.0 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing imap-1.0.0
[INFO] finished frobbing imap-1.0.0
[INFO] frobbed toml for imap-1.0.0 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/imap/1.0.0/Cargo.toml
[INFO] started frobbing imap-1.0.0
[INFO] finished frobbing imap-1.0.0
[INFO] frobbed toml for imap-1.0.0 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/imap/1.0.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking imap-1.0.0 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/imap/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8287950a4ff48702e204629a5b3083ee57cf94720dece026f0c6a156fa63e84
[INFO] running `"docker" "start" "-a" "c8287950a4ff48702e204629a5b3083ee57cf94720dece026f0c6a156fa63e84"`
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking lettre v0.9.0
[INFO] [stderr]     Checking imap v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `MailboxDatum` is imported redundantly
[INFO] [stderr]   --> src/parse.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | use imap_proto::{self, MailboxDatum, Response};
[INFO] [stderr]    |                        ------------ the item `MailboxDatum` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 70 |     use imap_proto::MailboxDatum;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `MailboxDatum` is imported redundantly
[INFO] [stderr]    --> src/parse.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 1   | use imap_proto::{self, MailboxDatum, Response};
[INFO] [stderr]     |                        ------------ the item `MailboxDatum` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 231 |                 use imap_proto::MailboxDatum;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/extensions/idle.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         self.session.stream.get_mut().set_read_timeout(None).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/extensions/idle.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         self.terminate().is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking lettre_email v0.9.0
[INFO] [stderr] warning: the item `MailboxDatum` is imported redundantly
[INFO] [stderr]   --> src/parse.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | use imap_proto::{self, MailboxDatum, Response};
[INFO] [stderr]    |                        ------------ the item `MailboxDatum` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 70 |     use imap_proto::MailboxDatum;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `MailboxDatum` is imported redundantly
[INFO] [stderr]    --> src/parse.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 1   | use imap_proto::{self, MailboxDatum, Response};
[INFO] [stderr]     |                        ------------ the item `MailboxDatum` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 231 |                 use imap_proto::MailboxDatum;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/extensions/idle.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         self.session.stream.get_mut().set_read_timeout(None).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/extensions/idle.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         self.terminate().is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `"docker" "inspect" "c8287950a4ff48702e204629a5b3083ee57cf94720dece026f0c6a156fa63e84"`
[INFO] running `"docker" "rm" "-f" "c8287950a4ff48702e204629a5b3083ee57cf94720dece026f0c6a156fa63e84"`
[INFO] [stdout] c8287950a4ff48702e204629a5b3083ee57cf94720dece026f0c6a156fa63e84