[INFO] fetching crate ws-gonzale 0.5.0...
[INFO] checking ws-gonzale-0.5.0 against beta for pr-78714
[INFO] extracting crate ws-gonzale 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ws-gonzale 0.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws-gonzale 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ws-gonzale 0.5.0
[INFO] tweaked toml for crates.io crate ws-gonzale 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ws-gonzale 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52056029ddb6e19df432cb6919341c473aa78ab326b76a528a70c0ec7e411582
[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" "52056029ddb6e19df432cb6919341c473aa78ab326b76a528a70c0ec7e411582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52056029ddb6e19df432cb6919341c473aa78ab326b76a528a70c0ec7e411582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52056029ddb6e19df432cb6919341c473aa78ab326b76a528a70c0ec7e411582", kill_on_drop: false }`
[INFO] [stdout] 52056029ddb6e19df432cb6919341c473aa78ab326b76a528a70c0ec7e411582
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9aecd4889d08ca1027b671a3448aa4362fd89e87f04cfa9add423e9fa5018f6
[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" "a9aecd4889d08ca1027b671a3448aa4362fd89e87f04cfa9add423e9fa5018f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking futures-lite v0.1.8
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking async-io v0.1.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking async-net v0.1.1
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking ws-gonzale v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> tests/buffer_write.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `Command { std: "docker" "inspect" "a9aecd4889d08ca1027b671a3448aa4362fd89e87f04cfa9add423e9fa5018f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9aecd4889d08ca1027b671a3448aa4362fd89e87f04cfa9add423e9fa5018f6", kill_on_drop: false }`
[INFO] [stdout] a9aecd4889d08ca1027b671a3448aa4362fd89e87f04cfa9add423e9fa5018f6