[INFO] cloning repository https://github.com/mvniekerk/rust-imap-notifier [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvniekerk/rust-imap-notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-imap-notifier", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-imap-notifier'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1da3cc702bd40bb48639027887ba4392c07a9e8 [INFO] checking mvniekerk/rust-imap-notifier against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-imap-notifier" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mvniekerk/rust-imap-notifier on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mvniekerk/rust-imap-notifier [INFO] finished tweaking git repo https://github.com/mvniekerk/rust-imap-notifier [INFO] tweaked toml for git repo https://github.com/mvniekerk/rust-imap-notifier written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/mvniekerk/rust-imap-notifier already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded notify-rust v3.5.0 [INFO] [stderr] Downloaded mac-notification-sys v0.1.3 [INFO] [stderr] Downloaded mac-notification-sys v0.2.0 [INFO] [stderr] Downloaded dbus v0.6.4 [INFO] [stderr] Downloaded openssl v0.10.21 [INFO] [stderr] Downloaded corona v0.4.1 [INFO] [stderr] Downloaded imap v1.0.1 [INFO] [stderr] Downloaded context v2.1.0 [INFO] [stderr] Downloaded libc v0.2.54 [INFO] [stderr] Downloaded openssl-sys v0.9.45 [INFO] [stderr] Downloaded winrt v0.5.1 [INFO] [stderr] Downloaded imap-proto v0.7.0 [INFO] [stderr] Downloaded notifica v1.0.2 [INFO] [stderr] Downloaded libdbus-sys v0.1.5 [INFO] [stderr] Downloaded serde_yaml v0.8.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9942f0c203ef13ec1680880ea7683a5f613fc64e959c8b6cfe51c7a6753ac9f [INFO] running `Command { std: "docker" "start" "-a" "d9942f0c203ef13ec1680880ea7683a5f613fc64e959c8b6cfe51c7a6753ac9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9942f0c203ef13ec1680880ea7683a5f613fc64e959c8b6cfe51c7a6753ac9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9942f0c203ef13ec1680880ea7683a5f613fc64e959c8b6cfe51c7a6753ac9f", kill_on_drop: false }` [INFO] [stdout] d9942f0c203ef13ec1680880ea7683a5f613fc64e959c8b6cfe51c7a6753ac9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e614ddd956e9cbcaf0a267681e395f6f24c004caad864aaea152a65d6dfac65 [INFO] running `Command { std: "docker" "start" "-a" "0e614ddd956e9cbcaf0a267681e395f6f24c004caad864aaea152a65d6dfac65", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v0.15.33 (as host dependency): extra-traits [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling openssl v0.10.21 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling libdbus-sys v0.1.5 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.10 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking imap-proto v0.7.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling openssl-sys v0.9.45 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling context v2.1.0 [INFO] [stderr] Checking dbus v0.6.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking notify-rust v3.5.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking notifica v1.0.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking imap v1.0.1 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking corona v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking rust-imap-notifier v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/model/imap.rs (2 fixes) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/model/imap.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 15 | / loop { [INFO] [stdout] 16 | | println!("Before wait {:#?}", config.email.refresh); [INFO] [stdout] 17 | | let timeout = Delay::new(clock::now() + Duration::from_secs(config.email.refresh)); [INFO] [stdout] 18 | | println!("Timeout {:#?}", timeout); [INFO] [stdout] ... | [INFO] [stdout] 30 | | } [INFO] [stdout] 31 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 72 | println!("Should be start polling {:#?}", config); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | / Coroutine::new().run(|| { [INFO] [stdout] 58 | | for cfg in config.connections { [INFO] [stdout] 59 | | model::imap::start_polling(&cfg); [INFO] [stdout] 60 | | } [INFO] [stdout] 61 | | }); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/model/imap.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 15 | / loop { [INFO] [stdout] 16 | | println!("Before wait {:#?}", config.email.refresh); [INFO] [stdout] 17 | | let timeout = Delay::new(clock::now() + Duration::from_secs(config.email.refresh)); [INFO] [stdout] 18 | | println!("Timeout {:#?}", timeout); [INFO] [stdout] ... | [INFO] [stdout] 30 | | } [INFO] [stdout] 31 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 72 | println!("Should be start polling {:#?}", config); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | / Coroutine::new().run(|| { [INFO] [stdout] 58 | | for cfg in config.connections { [INFO] [stdout] 59 | | model::imap::start_polling(&cfg); [INFO] [stdout] 60 | | } [INFO] [stdout] 61 | | }); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.55s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking serde v1.0.90 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking rust-imap-notifier v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/model/imap.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 15 | / loop { [INFO] [stdout] 16 | | println!("Before wait {:#?}", config.email.refresh); [INFO] [stdout] 17 | | let timeout = Delay::new(clock::now() + Duration::from_secs(config.email.refresh)); [INFO] [stdout] 18 | | println!("Timeout {:#?}", timeout); [INFO] [stdout] ... | [INFO] [stdout] 30 | | } [INFO] [stdout] 31 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 72 | println!("Should be start polling {:#?}", config); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/model/imap.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 15 | / loop { [INFO] [stdout] 16 | | println!("Before wait {:#?}", config.email.refresh); [INFO] [stdout] 17 | | let timeout = Delay::new(clock::now() + Duration::from_secs(config.email.refresh)); [INFO] [stdout] 18 | | println!("Timeout {:#?}", timeout); [INFO] [stdout] ... | [INFO] [stdout] 30 | | } [INFO] [stdout] 31 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 72 | println!("Should be start polling {:#?}", config); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | / Coroutine::new().run(|| { [INFO] [stdout] 58 | | for cfg in config.connections { [INFO] [stdout] 59 | | model::imap::start_polling(&cfg); [INFO] [stdout] 60 | | } [INFO] [stdout] 61 | | }); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | / Coroutine::new().run(|| { [INFO] [stdout] 58 | | for cfg in config.connections { [INFO] [stdout] 59 | | model::imap::start_polling(&cfg); [INFO] [stdout] 60 | | } [INFO] [stdout] 61 | | }); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.07s [INFO] running `Command { std: "docker" "inspect" "0e614ddd956e9cbcaf0a267681e395f6f24c004caad864aaea152a65d6dfac65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e614ddd956e9cbcaf0a267681e395f6f24c004caad864aaea152a65d6dfac65", kill_on_drop: false }` [INFO] [stdout] 0e614ddd956e9cbcaf0a267681e395f6f24c004caad864aaea152a65d6dfac65