[INFO] crate imap 1.0.0 is already in cache
[INFO] extracting crate imap 1.0.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/imap/1.0.0
[INFO] extracting crate imap 1.0.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/imap/1.0.0
[INFO] validating manifest of imap-1.0.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of imap-1.0.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/imap/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking imap-1.0.0 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/imap/1.0.0:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49700911157ac3dd793de1dd6044108cf1fe7ea21eb0712ca86279ab060f0910
[INFO] running `"docker" "start" "-a" "49700911157ac3dd793de1dd6044108cf1fe7ea21eb0712ca86279ab060f0910"`
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]     Checking lettre v0.9.2
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:109:32
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:151:32
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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 v0.9.2
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:109:32
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:151:32
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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 14.59s
[INFO] running `"docker" "inspect" "49700911157ac3dd793de1dd6044108cf1fe7ea21eb0712ca86279ab060f0910"`
[INFO] running `"docker" "rm" "-f" "49700911157ac3dd793de1dd6044108cf1fe7ea21eb0712ca86279ab060f0910"`
[INFO] [stdout] 49700911157ac3dd793de1dd6044108cf1fe7ea21eb0712ca86279ab060f0910