[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/tail-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-66/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2a1150a883c45139d2868870417270e9a92608cf888ae1dafcde2f8627b0d01
[INFO] running `Command { std: "docker" "start" "-a" "a2a1150a883c45139d2868870417270e9a92608cf888ae1dafcde2f8627b0d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2a1150a883c45139d2868870417270e9a92608cf888ae1dafcde2f8627b0d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a1150a883c45139d2868870417270e9a92608cf888ae1dafcde2f8627b0d01", kill_on_drop: false }`
[INFO] [stdout] a2a1150a883c45139d2868870417270e9a92608cf888ae1dafcde2f8627b0d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07674b3ea9d6028b15e7cf82e60780dcdd10e9b3fbf2e9507892d45cf8d58449
[INFO] running `Command { std: "docker" "start" "-a" "07674b3ea9d6028b15e7cf82e60780dcdd10e9b3fbf2e9507892d45cf8d58449", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.68
[INFO] [stderr] Compiling autocfg v1.0.0
[INFO] [stderr] Compiling log v0.4.8
[INFO] [stderr] Compiling slab v0.4.2
[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 proc-macro2 v1.0.9
[INFO] [stderr] Compiling unicode-xid v0.2.0
[INFO] [stderr] Compiling syn v1.0.17
[INFO] [stderr] Compiling fnv v1.0.6
[INFO] [stderr] Compiling futures-core v0.3.4
[INFO] [stderr] Compiling memchr v2.3.3
[INFO] [stderr] Compiling futures-sink v0.3.4
[INFO] [stderr] Compiling cc v1.0.50
[INFO] [stderr] Compiling proc-macro-nested v0.1.4
[INFO] [stderr] Compiling proc-macro-hack v0.5.15
[INFO] [stderr] Compiling futures-task v0.3.4
[INFO] [stderr] Compiling failure_derive v0.1.7
[INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr] Compiling futures-io v0.3.4
[INFO] [stderr] Compiling bytes v0.5.4
[INFO] [stderr] Compiling lazycell v1.2.1
[INFO] [stderr] Compiling rustc-demangle v0.1.16
[INFO] [stderr] Compiling pin-project-lite v0.1.4
[INFO] [stderr] Compiling maybe-uninit v2.0.0
[INFO] [stderr] Compiling lock_api v0.3.3
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Compiling walkdir v2.3.1
[INFO] [stderr] Compiling futures-channel v0.3.4
[INFO] [stderr] Compiling semver v0.9.0
[INFO] [stderr] Compiling smallvec v0.6.13
[INFO] [stderr] Compiling tokio v0.2.15
[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] Compiling num-traits v0.2.11
[INFO] [stderr] Compiling num-integer v0.1.42
[INFO] [stderr] Compiling rustc_version v0.2.3
[INFO] [stderr] Compiling backtrace-sys v0.1.34
[INFO] [stderr] Compiling parking_lot_core v0.6.2
[INFO] [stderr] Compiling parking_lot v0.9.0
[INFO] [stderr] Compiling tokio-util v0.3.1
[INFO] [stderr] Compiling tokio-sync v0.1.8
[INFO] [stderr] Compiling quote v1.0.3
[INFO] [stderr] Compiling iovec v0.1.4
[INFO] [stderr] Compiling net2 v0.2.33
[INFO] [stderr] Compiling num_cpus v1.12.0
[INFO] [stderr] Compiling dirs-sys v0.3.4
[INFO] [stderr] Compiling inotify-sys v0.1.3
[INFO] [stderr] Compiling time v0.1.42
[INFO] [stderr] Compiling filetime v0.2.8
[INFO] [stderr] Compiling bytes v0.4.12
[INFO] [stderr] Compiling dirs v2.0.2
[INFO] [stderr] Compiling mio v0.6.21
[INFO] [stderr] Compiling term v0.6.1
[INFO] [stderr] Compiling tokio-io v0.1.13
[INFO] [stderr] Compiling tokio-codec v0.1.2
[INFO] [stderr] Compiling tokio-executor v0.1.10
[INFO] [stderr] Compiling crossbeam-queue v0.2.1
[INFO] [stderr] Compiling mio-uds v0.6.7
[INFO] [stderr] Compiling mio-extras v2.0.6
[INFO] [stderr] Compiling backtrace v0.3.45
[INFO] [stderr] Compiling tokio-reactor v0.1.12
[INFO] [stderr] Compiling tokio-timer v0.2.13
[INFO] [stderr] Compiling tokio-current-thread v0.1.7
[INFO] [stderr] Compiling crossbeam-deque v0.7.3
[INFO] [stderr] Compiling chrono v0.4.11
[INFO] [stderr] Compiling tokio-threadpool v0.1.18
[INFO] [stderr] Compiling tokio-tcp v0.1.4
[INFO] [stderr] Compiling tokio-uds v0.2.6
[INFO] [stderr] Compiling tokio-udp v0.1.6
[INFO] [stderr] Compiling tokio-fs v0.1.7
[INFO] [stderr] Compiling simplelog v0.7.4
[INFO] [stderr] Compiling tokio v0.1.22
[INFO] [stderr] Compiling inotify v0.7.0
[INFO] [stderr] Compiling notify v4.0.15
[INFO] [stderr] Compiling synstructure v0.12.3
[INFO] [stderr] Compiling futures-macro v0.3.4
[INFO] [stderr] Compiling failure v0.1.7
[INFO] [stderr] Compiling futures-util v0.3.4
[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`, `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