[INFO] cloning repository https://github.com/cecton/imap-copy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cecton/imap-copy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fimap-copy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fimap-copy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 393c9381dc7ca4c4952a161795423c44a08405c7 [INFO] checking cecton/imap-copy against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fimap-copy" "/workspace/builds/worker-2/source", kill_on_drop: false }` [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 21de280cccb4eb02ead6bf0af40e2355a9136d6f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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 `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded utf8-ranges v1.0.2 [INFO] [stderr] Downloaded native-tls v0.2.2 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded libc v0.2.45 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded memchr v2.1.2 [INFO] [stderr] Downloaded block-padding v0.1.2 [INFO] [stderr] Downloaded pkg-config v0.3.14 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded cfg-if v0.1.6 [INFO] [stderr] Downloaded lazy_static v1.2.0 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded security-framework-sys v0.2.1 [INFO] [stderr] Downloaded foreign-types-shared v0.1.1 [INFO] [stderr] Downloaded rand_pcg v0.1.1 [INFO] [stderr] Downloaded md-5 v0.8.0 [INFO] [stderr] Downloaded foreign-types v0.3.2 [INFO] [stderr] Downloaded bufstream v0.1.4 [INFO] [stderr] Downloaded version_check v0.1.5 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded generic-array v0.12.4 [INFO] [stderr] Downloaded digest v0.8.0 [INFO] [stderr] Downloaded imap-proto v0.7.0 [INFO] [stderr] Downloaded imap v0.10.0 [INFO] [stderr] Downloaded opaque-debug v0.2.1 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded core-foundation v0.5.1 [INFO] [stderr] Downloaded rand v0.6.1 [INFO] [stderr] Downloaded schannel v0.1.14 [INFO] [stderr] Downloaded nom v4.1.1 [INFO] [stderr] Downloaded byteorder v1.2.7 [INFO] [stderr] Downloaded typenum v1.10.0 [INFO] [stderr] Downloaded openssl v0.10.15 [INFO] [stderr] Downloaded core-foundation-sys v0.5.1 [INFO] [stderr] Downloaded base64 v0.10.0 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded openssl-sys v0.9.39 [INFO] [stderr] Downloaded vcpkg v0.2.6 [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] [stderr] Downloaded winapi v0.3.6 [INFO] [stderr] Downloaded regex-syntax v0.6.4 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded tempfile v3.0.5 [INFO] [stderr] Downloaded log v0.4.6 [INFO] [stderr] Downloaded security-framework v0.2.1 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded regex v1.1.0 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded rand_xorshift v0.1.0 [INFO] [stderr] Downloaded aho-corasick v0.6.9 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded openssl-probe v0.1.2 [INFO] [stderr] Downloaded remove_dir_all v0.5.1 [INFO] [stderr] Downloaded rand_chacha v0.1.0 [INFO] [stderr] Downloaded byte-tools v0.3.0 [INFO] [stderr] Downloaded block-buffer v0.7.1 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc05dee08f170784a430858b80f1badd67fac3a50617db965f07bea5b2f59584 [INFO] running `Command { std: "docker" "start" "-a" "bc05dee08f170784a430858b80f1badd67fac3a50617db965f07bea5b2f59584", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc05dee08f170784a430858b80f1badd67fac3a50617db965f07bea5b2f59584", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc05dee08f170784a430858b80f1badd67fac3a50617db965f07bea5b2f59584", kill_on_drop: false }` [INFO] [stdout] bc05dee08f170784a430858b80f1badd67fac3a50617db965f07bea5b2f59584 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1681ce0b895f8de2be8cc0dabe1445876b0782972e82526627cf5ddb2cb6c06a [INFO] running `Command { std: "docker" "start" "-a" "1681ce0b895f8de2be8cc0dabe1445876b0782972e82526627cf5ddb2cb6c06a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking block-padding v0.1.2 [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 memchr v2.1.2 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking block-buffer v0.7.1 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking imap-proto v0.7.0 [INFO] [stderr] Checking imap v0.10.0 [INFO] [stderr] Checking imap-copy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `mb` [INFO] [stdout] --> src/main.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | let mb = session.select(mailbox)?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_mb` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PAGE` is never used [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | const PAGE: u32 = 10; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `collect_uids` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn collect_uids(session: &mut ImapSession, mailbox: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `clear` is never used [INFO] [stdout] --> src/main.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn clear(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `copy_emails` is never used [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn copy_emails( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mb` [INFO] [stdout] --> src/main.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | let mb = session.select(mailbox)?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_mb` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_duplicates` is never used [INFO] [stdout] --> src/main.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn delete_duplicates(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_sent` is never used [INFO] [stdout] --> src/main.rs:159:4 [INFO] [stdout] | [INFO] [stdout] 159 | fn delete_sent(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/main.rs:191:4 [INFO] [stdout] | [INFO] [stdout] 191 | fn search(session: &mut ImapSession, mailbox: &str, astring: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(domain: &str, user: &str, password: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | self.session.logout(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PAGE` is never used [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | const PAGE: u32 = 10; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `collect_uids` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn collect_uids(session: &mut ImapSession, mailbox: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `clear` is never used [INFO] [stdout] --> src/main.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn clear(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `copy_emails` is never used [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn copy_emails( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_duplicates` is never used [INFO] [stdout] --> src/main.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn delete_duplicates(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_sent` is never used [INFO] [stdout] --> src/main.rs:159:4 [INFO] [stdout] | [INFO] [stdout] 159 | fn delete_sent(session: &mut ImapSession, mailbox: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/main.rs:191:4 [INFO] [stdout] | [INFO] [stdout] 191 | fn search(session: &mut ImapSession, mailbox: &str, astring: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(domain: &str, user: &str, password: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | self.session.logout(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.99s [INFO] running `Command { std: "docker" "inspect" "1681ce0b895f8de2be8cc0dabe1445876b0782972e82526627cf5ddb2cb6c06a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1681ce0b895f8de2be8cc0dabe1445876b0782972e82526627cf5ddb2cb6c06a", kill_on_drop: false }` [INFO] [stdout] 1681ce0b895f8de2be8cc0dabe1445876b0782972e82526627cf5ddb2cb6c06a