[INFO] updating cached repository https://github.com/woodgear/tail-rust [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] 1e9dcedd647b1683b004586fa6071251689b0454 [INFO] checking woodgear/tail-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/tail-rust 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/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-5/source/Cargo.toml [INFO] crate git repo https://github.com/woodgear/tail-rust 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 76fe0716ca61308a53ff3779e08a7c72be298278dfafdda5e10834d1eb1c9318 [INFO] running `"docker" "start" "-a" "76fe0716ca61308a53ff3779e08a7c72be298278dfafdda5e10834d1eb1c9318"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking tokio v0.2.15 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling backtrace-sys v0.1.34 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking simplelog v0.7.4 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking tail-rust v0.1.0 (/opt/rustwide/workdir) [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`, `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: 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`, `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: field is never read: `watcher` [INFO] [stderr] --> src/lib.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | watcher: notify::RecommendedWatcher, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `inotify_thread_handle` [INFO] [stderr] --> src/lib.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | inotify_thread_handle: JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `file` [INFO] [stderr] --> src/lib.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | file: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `path` [INFO] [stderr] --> src/lib.rs:216:5 [INFO] [stderr] | [INFO] [stderr] 216 | path: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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: `#[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 `std::result::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] [INFO] [stderr] warning: unused `std::result::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] [INFO] [stderr] warning: unused `std::result::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] [INFO] [stderr] warning: 14 warnings emitted [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: field is never read: `watcher` [INFO] [stderr] --> src/lib.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | watcher: notify::RecommendedWatcher, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `inotify_thread_handle` [INFO] [stderr] --> src/lib.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | inotify_thread_handle: JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `file` [INFO] [stderr] --> src/lib.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | file: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `path` [INFO] [stderr] --> src/lib.rs:216:5 [INFO] [stderr] | [INFO] [stderr] 216 | path: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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: `#[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 `std::result::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] [INFO] [stderr] warning: unused `std::result::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] [INFO] [stderr] warning: unused `std::result::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] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 04s [INFO] running `"docker" "inspect" "76fe0716ca61308a53ff3779e08a7c72be298278dfafdda5e10834d1eb1c9318"` [INFO] running `"docker" "rm" "-f" "76fe0716ca61308a53ff3779e08a7c72be298278dfafdda5e10834d1eb1c9318"` [INFO] [stdout] 76fe0716ca61308a53ff3779e08a7c72be298278dfafdda5e10834d1eb1c9318