[INFO] updating cached repository https://github.com/cecton/imap-copy [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 76d4f03ab7c89eb58d4eb6e34a651013a9bb8cdc [INFO] checking cecton/imap-copy against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fimap-copy" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cecton/imap-copy on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cecton/imap-copy [INFO] finished tweaking git repo https://github.com/cecton/imap-copy [INFO] tweaked toml for git repo https://github.com/cecton/imap-copy written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/cecton/imap-copy already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 031923d3da347ee170dc910971e8cf3865593ca82754c42fee19a98b29b2ee05 [INFO] running `"docker" "start" "-a" "031923d3da347ee170dc910971e8cf3865593ca82754c42fee19a98b29b2ee05"` [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking block-buffer v0.7.1 [INFO] [stderr] Checking imap-proto v0.7.0 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking imap v0.10.0 [INFO] [stderr] Checking imap-copy v0.1.0 (/opt/rustwide/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: if this is intentional, prefix it 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: 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:50:4 [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:57:4 [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:67:4 [INFO] [stderr] | [INFO] [stderr] 67 | fn copy_emails( [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_duplicates` [INFO] [stderr] --> src/main.rs:113:4 [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:159:4 [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:191:4 [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] warning: unused variable: `mb` [INFO] [stderr] --> src/main.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 192 | let mb = session.select(mailbox)?; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_mb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [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: 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:50:4 [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:57:4 [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:67:4 [INFO] [stderr] | [INFO] [stderr] 67 | fn copy_emails( [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_duplicates` [INFO] [stderr] --> src/main.rs:113:4 [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:159:4 [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:191:4 [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] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.60s [INFO] running `"docker" "inspect" "031923d3da347ee170dc910971e8cf3865593ca82754c42fee19a98b29b2ee05"` [INFO] running `"docker" "rm" "-f" "031923d3da347ee170dc910971e8cf3865593ca82754c42fee19a98b29b2ee05"` [INFO] [stdout] 031923d3da347ee170dc910971e8cf3865593ca82754c42fee19a98b29b2ee05