[INFO] fetching crate meio-ws 0.20.0...
[INFO] checking meio-ws-0.20.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate meio-ws 0.20.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate meio-ws 0.20.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meio-ws 0.20.0
[INFO] finished tweaking crates.io crate meio-ws 0.20.0
[INFO] tweaked toml for crates.io crate meio-ws 0.20.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee5cd21e7220c085bb381d2961dc08af53eddecfd6d2d793481d715c1b6d372
[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" "dee5cd21e7220c085bb381d2961dc08af53eddecfd6d2d793481d715c1b6d372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee5cd21e7220c085bb381d2961dc08af53eddecfd6d2d793481d715c1b6d372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee5cd21e7220c085bb381d2961dc08af53eddecfd6d2d793481d715c1b6d372", kill_on_drop: false }`
[INFO] [stdout] dee5cd21e7220c085bb381d2961dc08af53eddecfd6d2d793481d715c1b6d372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f55061484beea8686c71c201b49536d1e117667e59a248b0c575f0529e330d7
[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" "3f55061484beea8686c71c201b49536d1e117667e59a248b0c575f0529e330d7", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking mime v0.3.16
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[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking fake-simd v0.1.2
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[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking httpdate v0.3.2
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[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking meio v0.20.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking meio-ws v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "3f55061484beea8686c71c201b49536d1e117667e59a248b0c575f0529e330d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f55061484beea8686c71c201b49536d1e117667e59a248b0c575f0529e330d7", kill_on_drop: false }`
[INFO] [stdout] 3f55061484beea8686c71c201b49536d1e117667e59a248b0c575f0529e330d7