[INFO] fetching crate ws_stream_tungstenite 0.4.0-beta.1...
[INFO] checking ws_stream_tungstenite-0.4.0-beta.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate ws_stream_tungstenite 0.4.0-beta.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ws_stream_tungstenite 0.4.0-beta.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws_stream_tungstenite 0.4.0-beta.1
[INFO] finished tweaking crates.io crate ws_stream_tungstenite 0.4.0-beta.1
[INFO] tweaked toml for crates.io crate ws_stream_tungstenite 0.4.0-beta.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ws_stream_tungstenite 0.4.0-beta.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.11.1
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded ringbuf v0.2.2
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded async-std v1.6.5
[INFO] [stderr]   Downloaded futures-io v0.3.7
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded futures-test v0.3.7
[INFO] [stderr]   Downloaded future-parking_lot v0.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.21
[INFO] [stderr]   Downloaded assert_matches v1.4.0
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded futures-sink v0.3.7
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.1.10
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded async_progress v0.1.1
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded futures-executor v0.3.7
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded futures-util v0.3.7
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded futures-core v0.3.7
[INFO] [stderr]   Downloaded sha-1 v0.9.1
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded thiserror v1.0.21
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded async-tungstenite v0.10.0
[INFO] [stderr]   Downloaded futures-channel v0.3.7
[INFO] [stderr]   Downloaded futures-macro v0.3.7
[INFO] [stderr]   Downloaded futures-task v0.3.7
[INFO] [stderr]   Downloaded futures v0.3.7
[INFO] [stderr]   Downloaded futures_ringbuf v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204d518601c0a3b5e9e01dfd7a565fa5c70647be646a4e341726532b715b9147
[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" "204d518601c0a3b5e9e01dfd7a565fa5c70647be646a4e341726532b715b9147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204d518601c0a3b5e9e01dfd7a565fa5c70647be646a4e341726532b715b9147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204d518601c0a3b5e9e01dfd7a565fa5c70647be646a4e341726532b715b9147", kill_on_drop: false }`
[INFO] [stdout] 204d518601c0a3b5e9e01dfd7a565fa5c70647be646a4e341726532b715b9147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2472476f88b7b2cbcb51e6afa705221f2cf77fdb308c9f798cc058530c007f
[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" "df2472476f88b7b2cbcb51e6afa705221f2cf77fdb308c9f798cc058530c007f", kill_on_drop: false }`
[INFO] [stderr]     Checking ringbuf v0.2.2
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling async_io_stream v0.2.0-beta.1
[INFO] [stderr]    Compiling futures_ringbuf v0.2.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking future-parking_lot v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.4.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking flexi_logger v0.16.1
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking tokio-util v0.5.0
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking futures-test v0.3.7
[INFO] [stderr]     Checking pharos v0.4.2
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking async_progress v0.1.1
[INFO] [stderr]     Checking async-tungstenite v0.10.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.88s
[INFO] running `Command { std: "docker" "inspect" "df2472476f88b7b2cbcb51e6afa705221f2cf77fdb308c9f798cc058530c007f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2472476f88b7b2cbcb51e6afa705221f2cf77fdb308c9f798cc058530c007f", kill_on_drop: false }`
[INFO] [stdout] df2472476f88b7b2cbcb51e6afa705221f2cf77fdb308c9f798cc058530c007f