[INFO] cloning repository https://github.com/woodgear/tail-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/tail-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e9dcedd647b1683b004586fa6071251689b0454 [INFO] testing woodgear/tail-rust against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/tail-rust on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/woodgear/tail-rust [INFO] finished tweaking git repo https://github.com/woodgear/tail-rust [INFO] tweaked toml for git repo https://github.com/woodgear/tail-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/woodgear/tail-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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v1.0.0 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded constant_time_eq v0.1.5 [INFO] [stderr] Downloaded memoffset v0.5.4 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7e9457668c685e41e2aac46d976792a3e308761ced1479b2583aeb04a7e4ce7 [INFO] running `Command { std: "docker" "start" "-a" "b7e9457668c685e41e2aac46d976792a3e308761ced1479b2583aeb04a7e4ce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7e9457668c685e41e2aac46d976792a3e308761ced1479b2583aeb04a7e4ce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7e9457668c685e41e2aac46d976792a3e308761ced1479b2583aeb04a7e4ce7", kill_on_drop: false }` [INFO] [stdout] b7e9457668c685e41e2aac46d976792a3e308761ced1479b2583aeb04a7e4ce7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c41b63243e92a5958f5963cf51ebe6bd5c61c40227705e9aa6a88a4474dcbaf9 [INFO] running `Command { std: "docker" "start" "-a" "c41b63243e92a5958f5963cf51ebe6bd5c61c40227705e9aa6a88a4474dcbaf9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.6 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling backtrace-sys v0.1.34 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling backtrace v0.3.45 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling tokio v0.2.15 [INFO] [stderr] Compiling filetime v0.2.8 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling simplelog v0.7.4 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling tail-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender` and `channel` [INFO] [stdout] --> src/lib.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | mpsc::{self, channel, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decoder` [INFO] [stdout] --> src/lib.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | use tokio_util::codec::{Decoder, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut shared_state = shared_state_arc.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:112:18 [INFO] [stdout] | [INFO] [stdout] 112 | fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:129:17 [INFO] [stdout] | [INFO] [stdout] 129 | let mut shared_state = self.shared_state.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `watcher`, `inotify_thread_handle`, and `file` are never read [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct FileEventWatcher { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 43 | watcher: notify::RecommendedWatcher, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 44 | shared_state: Arc>, [INFO] [stdout] 45 | inotify_thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | receiver: Receiver, [INFO] [stdout] 47 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/lib.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 215 | pub struct Tail { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 216 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | event_tx.send(FileEvent::from(event)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = event_tx.send(FileEvent::from(event)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:95:25 [INFO] [stdout] | [INFO] [stdout] 95 | event_tx.send(FileEvent::Err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = event_tx.send(FileEvent::Err); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:200:21 [INFO] [stdout] | [INFO] [stdout] 200 | cache.write_all(&data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 200 | let _ = cache.write_all(&data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:203:25 [INFO] [stdout] | [INFO] [stdout] 203 | buf.write_all(&mut cache); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = buf.write_all(&mut cache); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.75s [INFO] running `Command { std: "docker" "inspect" "c41b63243e92a5958f5963cf51ebe6bd5c61c40227705e9aa6a88a4474dcbaf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c41b63243e92a5958f5963cf51ebe6bd5c61c40227705e9aa6a88a4474dcbaf9", kill_on_drop: false }` [INFO] [stdout] c41b63243e92a5958f5963cf51ebe6bd5c61c40227705e9aa6a88a4474dcbaf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f94161ec5ee33cd3e9c345611ee2045eaaae215b704d00dab871891f1f9e258b [INFO] running `Command { std: "docker" "start" "-a" "f94161ec5ee33cd3e9c345611ee2045eaaae215b704d00dab871891f1f9e258b", kill_on_drop: false }` [INFO] [stderr] Compiling tail-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender` and `channel` [INFO] [stdout] --> src/lib.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | mpsc::{self, channel, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decoder` [INFO] [stdout] --> src/lib.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | use tokio_util::codec::{Decoder, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut shared_state = shared_state_arc.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:112:18 [INFO] [stdout] | [INFO] [stdout] 112 | fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:129:17 [INFO] [stdout] | [INFO] [stdout] 129 | let mut shared_state = self.shared_state.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `watcher`, `inotify_thread_handle`, and `file` are never read [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct FileEventWatcher { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 43 | watcher: notify::RecommendedWatcher, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 44 | shared_state: Arc>, [INFO] [stdout] 45 | inotify_thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | receiver: Receiver, [INFO] [stdout] 47 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/lib.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 215 | pub struct Tail { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 216 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | event_tx.send(FileEvent::from(event)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = event_tx.send(FileEvent::from(event)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:95:25 [INFO] [stdout] | [INFO] [stdout] 95 | event_tx.send(FileEvent::Err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = event_tx.send(FileEvent::Err); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:200:21 [INFO] [stdout] | [INFO] [stdout] 200 | cache.write_all(&data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 200 | let _ = cache.write_all(&data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:203:25 [INFO] [stdout] | [INFO] [stdout] 203 | buf.write_all(&mut cache); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = buf.write_all(&mut cache); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender` and `channel` [INFO] [stdout] --> src/lib.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | mpsc::{self, channel, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decoder` [INFO] [stdout] --> src/lib.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | use tokio_util::codec::{Decoder, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut shared_state = shared_state_arc.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:112:18 [INFO] [stdout] | [INFO] [stdout] 112 | fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:129:17 [INFO] [stdout] | [INFO] [stdout] 129 | let mut shared_state = self.shared_state.lock().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `watcher`, `inotify_thread_handle`, and `file` are never read [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct FileEventWatcher { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 43 | watcher: notify::RecommendedWatcher, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 44 | shared_state: Arc>, [INFO] [stdout] 45 | inotify_thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | receiver: Receiver, [INFO] [stdout] 47 | file: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/lib.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 215 | pub struct Tail { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 216 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | event_tx.send(FileEvent::from(event)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = event_tx.send(FileEvent::from(event)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:95:25 [INFO] [stdout] | [INFO] [stdout] 95 | event_tx.send(FileEvent::Err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = event_tx.send(FileEvent::Err); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:200:21 [INFO] [stdout] | [INFO] [stdout] 200 | cache.write_all(&data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 200 | let _ = cache.write_all(&data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:203:25 [INFO] [stdout] | [INFO] [stdout] 203 | buf.write_all(&mut cache); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = buf.write_all(&mut cache); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "f94161ec5ee33cd3e9c345611ee2045eaaae215b704d00dab871891f1f9e258b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f94161ec5ee33cd3e9c345611ee2045eaaae215b704d00dab871891f1f9e258b", kill_on_drop: false }` [INFO] [stdout] f94161ec5ee33cd3e9c345611ee2045eaaae215b704d00dab871891f1f9e258b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 969f3fb8a17c0d3691109b83529e8d3d30553ade655859e215875dcca2e20a6a [INFO] running `Command { std: "docker" "start" "-a" "969f3fb8a17c0d3691109b83529e8d3d30553ade655859e215875dcca2e20a6a", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `bytes::BytesMut` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use bytes::BytesMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Sender` and `channel` [INFO] [stderr] --> src/lib.rs:14:18 [INFO] [stderr] | [INFO] [stderr] 14 | mpsc::{self, channel, Receiver, Sender}, [INFO] [stderr] | ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Decoder` [INFO] [stderr] --> src/lib.rs:19:25 [INFO] [stderr] | [INFO] [stderr] 19 | use tokio_util::codec::{Decoder, FramedRead, LinesCodec}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:86:29 [INFO] [stderr] | [INFO] [stderr] 86 | let mut shared_state = shared_state_arc.lock().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:112:18 [INFO] [stderr] | [INFO] [stderr] 112 | fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll> { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:129:17 [INFO] [stderr] | [INFO] [stderr] 129 | let mut shared_state = self.shared_state.lock().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: fields `watcher`, `inotify_thread_handle`, and `file` are never read [INFO] [stderr] --> src/lib.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub struct FileEventWatcher { [INFO] [stderr] | ---------------- fields in this struct [INFO] [stderr] 43 | watcher: notify::RecommendedWatcher, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 44 | shared_state: Arc>, [INFO] [stderr] 45 | inotify_thread_handle: JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 46 | receiver: Receiver, [INFO] [stderr] 47 | file: PathBuf, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `path` is never read [INFO] [stderr] --> src/lib.rs:216:5 [INFO] [stderr] | [INFO] [stderr] 215 | pub struct Tail { [INFO] [stderr] | ---- field in this struct [INFO] [stderr] 216 | path: PathBuf, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:85:25 [INFO] [stderr] | [INFO] [stderr] 85 | event_tx.send(FileEvent::from(event)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 85 | let _ = event_tx.send(FileEvent::from(event)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:95:25 [INFO] [stderr] | [INFO] [stderr] 95 | event_tx.send(FileEvent::Err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 95 | let _ = event_tx.send(FileEvent::Err); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:200:21 [INFO] [stderr] | [INFO] [stderr] 200 | cache.write_all(&data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 200 | let _ = cache.write_all(&data); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:203:25 [INFO] [stderr] | [INFO] [stderr] 203 | buf.write_all(&mut cache); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 203 | let _ = buf.write_all(&mut cache); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `tail-rust` (lib) generated 12 warnings (run `cargo fix --lib -p tail-rust` to apply 6 suggestions) [INFO] [stderr] warning: `tail-rust` (lib test) generated 12 warnings (12 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tail_rust-a027cf10f6d30e60) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/tail.rs (/opt/rustwide/target/debug/deps/tail-3661d3875b7fb286) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tail_rust [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "969f3fb8a17c0d3691109b83529e8d3d30553ade655859e215875dcca2e20a6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "969f3fb8a17c0d3691109b83529e8d3d30553ade655859e215875dcca2e20a6a", kill_on_drop: false }` [INFO] [stdout] 969f3fb8a17c0d3691109b83529e8d3d30553ade655859e215875dcca2e20a6a