[INFO] fetching crate hyper-tungstenite 0.12.0...
[INFO] checking hyper-tungstenite-0.12.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate hyper-tungstenite 0.12.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate hyper-tungstenite 0.12.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hyper-tungstenite 0.12.0
[INFO] finished tweaking crates.io crate hyper-tungstenite 0.12.0
[INFO] tweaked toml for crates.io crate hyper-tungstenite 0.12.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate hyper-tungstenite 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a15ff9cd3427a2105bb9403bb356f24a6e8f5792eaf1d1d91ad7f2980ccdee1
[INFO] running `Command { std: "docker" "start" "-a" "1a15ff9cd3427a2105bb9403bb356f24a6e8f5792eaf1d1d91ad7f2980ccdee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a15ff9cd3427a2105bb9403bb356f24a6e8f5792eaf1d1d91ad7f2980ccdee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a15ff9cd3427a2105bb9403bb356f24a6e8f5792eaf1d1d91ad7f2980ccdee1", kill_on_drop: false }`
[INFO] [stdout] 1a15ff9cd3427a2105bb9403bb356f24a6e8f5792eaf1d1d91ad7f2980ccdee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46d6fe2a75cd23a1e5f0c394ab159f4b73258bda541c57bf11eab42ea99812e9
[INFO] running `Command { std: "docker" "start" "-a" "46d6fe2a75cd23a1e5f0c394ab159f4b73258bda541c57bf11eab42ea99812e9", kill_on_drop: false }`
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[INFO] [stderr]     Checking hyper-tungstenite v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tungstenite` is imported redundantly
[INFO] [stdout]  --> examples/server.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hyper_tungstenite::{tungstenite, HyperWebsocket};
[INFO] [stdout]   |                         ^^^^^^^^^^^ the item `tungstenite` is already defined by prelude
[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` profile [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "46d6fe2a75cd23a1e5f0c394ab159f4b73258bda541c57bf11eab42ea99812e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d6fe2a75cd23a1e5f0c394ab159f4b73258bda541c57bf11eab42ea99812e9", kill_on_drop: false }`
[INFO] [stdout] 46d6fe2a75cd23a1e5f0c394ab159f4b73258bda541c57bf11eab42ea99812e9