[INFO] cloning repository https://github.com/mvniekerk/rust-imap-notifier [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-imap-notifier'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d1da3cc702bd40bb48639027887ba4392c07a9e8 [INFO] checking mvniekerk/rust-imap-notifier against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-imap-notifier" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mvniekerk/rust-imap-notifier on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [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-4/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 `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 30ee480b77b9af1fca9e595a7f25eb2e37bf0c2d55d30e3a34f80baf7b655150 [INFO] running `"docker" "start" "-a" "30ee480b77b9af1fca9e595a7f25eb2e37bf0c2d55d30e3a34f80baf7b655150"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Compiling openssl v0.10.21 [INFO] [stderr] Compiling openssl-sys v0.9.45 [INFO] [stderr] Compiling context v2.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking dbus v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking imap-proto v0.7.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking notify-rust v3.5.0 [INFO] [stderr] Checking corona v0.4.1 [INFO] [stderr] Checking notifica v1.0.2 [INFO] [stderr] Checking imap v1.0.1 [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 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `tokio::prelude::*` [INFO] [stderr] --> src/model/imap.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::runtime::current_thread` [INFO] [stderr] --> src/model/imap.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use tokio::runtime::current_thread; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/model/imap.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 15 | / loop { [INFO] [stderr] 16 | | println!("Before wait {:#?}", config.email.refresh); [INFO] [stderr] 17 | | let timeout = Delay::new(clock::now() + Duration::from_secs(config.email.refresh)); [INFO] [stderr] 18 | | println!("Timeout {:#?}", timeout); [INFO] [stderr] ... | [INFO] [stderr] 30 | | } [INFO] [stderr] 31 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 72 | println!("Should be start polling {:#?}", config); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude::*` [INFO] [stderr] --> src/model/imap.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::runtime::current_thread` [INFO] [stderr] --> src/model/imap.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use tokio::runtime::current_thread; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | / Coroutine::new().run(|| { [INFO] [stderr] 58 | | for cfg in config.connections { [INFO] [stderr] 59 | | model::imap::start_polling(&cfg); [INFO] [stderr] 60 | | } [INFO] [stderr] 61 | | }); [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: unreachable statement [INFO] [stderr] --> src/model/imap.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 15 | / loop { [INFO] [stderr] 16 | | println!("Before wait {:#?}", config.email.refresh); [INFO] [stderr] 17 | | let timeout = Delay::new(clock::now() + Duration::from_secs(config.email.refresh)); [INFO] [stderr] 18 | | println!("Timeout {:#?}", timeout); [INFO] [stderr] ... | [INFO] [stderr] 30 | | } [INFO] [stderr] 31 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 72 | println!("Should be start polling {:#?}", config); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | / Coroutine::new().run(|| { [INFO] [stderr] 58 | | for cfg in config.connections { [INFO] [stderr] 59 | | model::imap::start_polling(&cfg); [INFO] [stderr] 60 | | } [INFO] [stderr] 61 | | }); [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 1m 09s [INFO] running `"docker" "inspect" "30ee480b77b9af1fca9e595a7f25eb2e37bf0c2d55d30e3a34f80baf7b655150"` [INFO] running `"docker" "rm" "-f" "30ee480b77b9af1fca9e595a7f25eb2e37bf0c2d55d30e3a34f80baf7b655150"` [INFO] [stdout] 30ee480b77b9af1fca9e595a7f25eb2e37bf0c2d55d30e3a34f80baf7b655150