[INFO] updating cached repository cecton/imap-copy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cecton/imap-copy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cecton/imap-copy" "work/ex/beta-1.38-1/sources/1.37.0/gh/cecton/imap-copy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cecton/imap-copy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cecton/imap-copy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cecton/imap-copy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cecton/imap-copy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 76d4f03ab7c89eb58d4eb6e34a651013a9bb8cdc [INFO] sha for GitHub repo cecton/imap-copy: 76d4f03ab7c89eb58d4eb6e34a651013a9bb8cdc [INFO] validating manifest of cecton/imap-copy 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 cecton/imap-copy 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 cecton/imap-copy [INFO] finished frobbing cecton/imap-copy [INFO] frobbed toml for cecton/imap-copy written to work/ex/beta-1.38-1/sources/1.37.0/gh/cecton/imap-copy/Cargo.toml [INFO] started frobbing cecton/imap-copy [INFO] finished frobbing cecton/imap-copy [INFO] frobbed toml for cecton/imap-copy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cecton/imap-copy/Cargo.toml [INFO] crate cecton/imap-copy 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 cecton/imap-copy 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cecton/imap-copy:/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] 6586c47cbb999ae629f31960c32c2e5f35b49dbb9547ac4ce22a49e9ad911e5f [INFO] running `"docker" "start" "-a" "6586c47cbb999ae629f31960c32c2e5f35b49dbb9547ac4ce22a49e9ad911e5f"` [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling block-buffer v0.7.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling md-5 v0.8.0 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Compiling imap-proto v0.7.0 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling imap v0.10.0 [INFO] [stderr] Compiling imap-copy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `mb` [INFO] [stderr] --> src/main.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 192 | let mb = session.select(mailbox)?; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_mb` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `PAGE` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const PAGE: u32 = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ImapSession` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | struct ImapSession { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn new(domain: &str, user: &str, password: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `collect_uids` [INFO] [stderr] --> src/main.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | fn collect_uids(session: &mut ImapSession, mailbox: &str) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clear` [INFO] [stderr] --> src/main.rs:57:1 [INFO] [stderr] | [INFO] [stderr] 57 | fn clear(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `copy_emails` [INFO] [stderr] --> src/main.rs:67:1 [INFO] [stderr] | [INFO] [stderr] 67 | / fn copy_emails( [INFO] [stderr] 68 | | src: &mut ImapSession, [INFO] [stderr] 69 | | dst: &mut ImapSession, [INFO] [stderr] 70 | | src_mailbox: &str, [INFO] [stderr] ... | [INFO] [stderr] 110 | | Ok(()) [INFO] [stderr] 111 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_duplicates` [INFO] [stderr] --> src/main.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | fn delete_duplicates(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_sent` [INFO] [stderr] --> src/main.rs:159:1 [INFO] [stderr] | [INFO] [stderr] 159 | fn delete_sent(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/main.rs:191:1 [INFO] [stderr] | [INFO] [stderr] 191 | fn search(session: &mut ImapSession, mailbox: &str, astring: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | self.session.logout(); [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] Finished dev [unoptimized + debuginfo] target(s) in 27.86s [INFO] running `"docker" "inspect" "6586c47cbb999ae629f31960c32c2e5f35b49dbb9547ac4ce22a49e9ad911e5f"` [INFO] running `"docker" "rm" "-f" "6586c47cbb999ae629f31960c32c2e5f35b49dbb9547ac4ce22a49e9ad911e5f"` [INFO] [stdout] 6586c47cbb999ae629f31960c32c2e5f35b49dbb9547ac4ce22a49e9ad911e5f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cecton/imap-copy:/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" "test" "--frozen" "--no-run"` [INFO] [stdout] f643e21e7efce48da25163441bf95418937bdba87847b2442a8dc873119cc166 [INFO] running `"docker" "start" "-a" "f643e21e7efce48da25163441bf95418937bdba87847b2442a8dc873119cc166"` [INFO] [stderr] Compiling imap-copy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `mb` [INFO] [stderr] --> src/main.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 192 | let mb = session.select(mailbox)?; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_mb` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `PAGE` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const PAGE: u32 = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ImapSession` [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | struct ImapSession { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn new(domain: &str, user: &str, password: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `collect_uids` [INFO] [stderr] --> src/main.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | fn collect_uids(session: &mut ImapSession, mailbox: &str) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clear` [INFO] [stderr] --> src/main.rs:57:1 [INFO] [stderr] | [INFO] [stderr] 57 | fn clear(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `copy_emails` [INFO] [stderr] --> src/main.rs:67:1 [INFO] [stderr] | [INFO] [stderr] 67 | / fn copy_emails( [INFO] [stderr] 68 | | src: &mut ImapSession, [INFO] [stderr] 69 | | dst: &mut ImapSession, [INFO] [stderr] 70 | | src_mailbox: &str, [INFO] [stderr] ... | [INFO] [stderr] 110 | | Ok(()) [INFO] [stderr] 111 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_duplicates` [INFO] [stderr] --> src/main.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | fn delete_duplicates(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_sent` [INFO] [stderr] --> src/main.rs:159:1 [INFO] [stderr] | [INFO] [stderr] 159 | fn delete_sent(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/main.rs:191:1 [INFO] [stderr] | [INFO] [stderr] 191 | fn search(session: &mut ImapSession, mailbox: &str, astring: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | self.session.logout(); [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] Finished dev [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `"docker" "inspect" "f643e21e7efce48da25163441bf95418937bdba87847b2442a8dc873119cc166"` [INFO] running `"docker" "rm" "-f" "f643e21e7efce48da25163441bf95418937bdba87847b2442a8dc873119cc166"` [INFO] [stdout] f643e21e7efce48da25163441bf95418937bdba87847b2442a8dc873119cc166 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cecton/imap-copy:/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" "test" "--frozen"` [INFO] [stdout] 8c9a1bbe0dc781697dd36c7bb61d46a04365af281eb8d4e9f045b81775a9e1af [INFO] running `"docker" "start" "-a" "8c9a1bbe0dc781697dd36c7bb61d46a04365af281eb8d4e9f045b81775a9e1af"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/imap_copy-77e91449f54984b4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "8c9a1bbe0dc781697dd36c7bb61d46a04365af281eb8d4e9f045b81775a9e1af"` [INFO] running `"docker" "rm" "-f" "8c9a1bbe0dc781697dd36c7bb61d46a04365af281eb8d4e9f045b81775a9e1af"` [INFO] [stdout] 8c9a1bbe0dc781697dd36c7bb61d46a04365af281eb8d4e9f045b81775a9e1af