[INFO] fetching crate tether-agent 0.14.2...
[INFO] checking tether-agent-0.14.2 against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] extracting crate tether-agent 0.14.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tether-agent 0.14.2 on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tether-agent 0.14.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tether-agent 0.14.2
[INFO] tweaked toml for crates.io crate tether-agent 0.14.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate tether-agent 0.14.2 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ws_stream_tungstenite v0.13.0
[INFO] [stderr]   Downloaded async-tungstenite v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dee7828ad9c86168e833b81889d199d38d913359d7bd7b3b90c79eb7e9bee27
[INFO] running `Command { std: "docker" "start" "-a" "6dee7828ad9c86168e833b81889d199d38d913359d7bd7b3b90c79eb7e9bee27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dee7828ad9c86168e833b81889d199d38d913359d7bd7b3b90c79eb7e9bee27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dee7828ad9c86168e833b81889d199d38d913359d7bd7b3b90c79eb7e9bee27", kill_on_drop: false }`
[INFO] [stdout] 6dee7828ad9c86168e833b81889d199d38d913359d7bd7b3b90c79eb7e9bee27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa01ddcb79a1f000acb739437731319a1b613f1ce15c7d3e17041d3a621622bb
[INFO] running `Command { std: "docker" "start" "-a" "fa01ddcb79a1f000acb739437731319a1b613f1ce15c7d3e17041d3a621622bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
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[INFO] [stderr]    Compiling async_io_stream v0.3.3
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[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking rumqttc v0.24.0
[INFO] [stderr]     Checking tether-agent v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "fa01ddcb79a1f000acb739437731319a1b613f1ce15c7d3e17041d3a621622bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa01ddcb79a1f000acb739437731319a1b613f1ce15c7d3e17041d3a621622bb", kill_on_drop: false }`
[INFO] [stdout] fa01ddcb79a1f000acb739437731319a1b613f1ce15c7d3e17041d3a621622bb