[INFO] fetching crate edge-mdns 0.3.1...
[INFO] checking edge-mdns-0.3.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate edge-mdns 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate edge-mdns 0.3.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate edge-mdns 0.3.1
[INFO] finished tweaking crates.io crate edge-mdns 0.3.1
[INFO] tweaked toml for crates.io crate edge-mdns 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baa95b6166f865c9d309621bb84b204bf5bb65dae6d63fe5650d2423eba519f9
[INFO] running `Command { std: "docker" "start" "-a" "baa95b6166f865c9d309621bb84b204bf5bb65dae6d63fe5650d2423eba519f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa95b6166f865c9d309621bb84b204bf5bb65dae6d63fe5650d2423eba519f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa95b6166f865c9d309621bb84b204bf5bb65dae6d63fe5650d2423eba519f9", kill_on_drop: false }`
[INFO] [stdout] baa95b6166f865c9d309621bb84b204bf5bb65dae6d63fe5650d2423eba519f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dbb66ca3cbc14685de9e1254b4f75bc534f5f2ae7c9ccaa7c2f38438affaddf
[INFO] running `Command { std: "docker" "start" "-a" "2dbb66ca3cbc14685de9e1254b4f75bc534f5f2ae7c9ccaa7c2f38438affaddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling embassy-sync v0.6.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking critical-section v1.1.3
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking embassy-futures v0.1.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking edge-nal v0.3.0
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]     Checking octseq v0.5.1
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking embassy-time v0.3.2
[INFO] [stderr]     Checking domain v0.10.1
[INFO] [stderr]     Checking edge-mdns v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "2dbb66ca3cbc14685de9e1254b4f75bc534f5f2ae7c9ccaa7c2f38438affaddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbb66ca3cbc14685de9e1254b4f75bc534f5f2ae7c9ccaa7c2f38438affaddf", kill_on_drop: false }`
[INFO] [stdout] 2dbb66ca3cbc14685de9e1254b4f75bc534f5f2ae7c9ccaa7c2f38438affaddf