[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e9dcedd647b1683b004586fa6071251689b0454
[INFO] testing woodgear/tail-rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[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 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ad69fdbf1c8fb7d76c5cd4f9c75738550eb9111ffa7ea62bd75184b18b01244
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ad69fdbf1c8fb7d76c5cd4f9c75738550eb9111ffa7ea62bd75184b18b01244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad69fdbf1c8fb7d76c5cd4f9c75738550eb9111ffa7ea62bd75184b18b01244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad69fdbf1c8fb7d76c5cd4f9c75738550eb9111ffa7ea62bd75184b18b01244", kill_on_drop: false }`
[INFO] [stdout] 5ad69fdbf1c8fb7d76c5cd4f9c75738550eb9111ffa7ea62bd75184b18b01244
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b614d584f4ca9e13f325bc8fd2f60f4e12f0741413ee2201dda3a04eac7ea074
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b614d584f4ca9e13f325bc8fd2f60f4e12f0741413ee2201dda3a04eac7ea074", kill_on_drop: false }`
[INFO] [stderr] Compiling syn v1.0.17
[INFO] [stderr] Compiling futures-channel v0.3.4
[INFO] [stderr] Compiling tokio v0.2.15
[INFO] [stderr] Compiling dirs-sys v0.3.4
[INFO] [stderr] Compiling inotify-sys v0.1.3
[INFO] [stderr] Compiling filetime v0.2.8
[INFO] [stderr] Compiling bytes v0.4.12
[INFO] [stderr] Compiling mio-extras v2.0.6
[INFO] [stderr] Compiling chrono v0.4.11
[INFO] [stderr] Compiling dirs v2.0.2
[INFO] [stderr] Compiling term v0.6.1
[INFO] [stderr] Compiling tokio-io v0.1.13
[INFO] [stderr] Compiling tokio-util v0.3.1
[INFO] [stderr] Compiling simplelog v0.7.4
[INFO] [stderr] Compiling tokio-reactor v0.1.12
[INFO] [stderr] Compiling tokio-codec v0.1.2
[INFO] [stderr] Compiling tokio-fs v0.1.7
[INFO] [stderr] Compiling tokio-udp v0.1.6
[INFO] [stderr] Compiling tokio-tcp v0.1.4
[INFO] [stderr] Compiling tokio-uds v0.2.6
[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_derive v0.1.7
[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