[INFO] fetching crate dns-mail-discover 0.2.7...
[INFO] checking dns-mail-discover-0.2.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate dns-mail-discover 0.2.7 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dns-mail-discover 0.2.7 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 dns-mail-discover 0.2.7
[INFO] finished tweaking crates.io crate dns-mail-discover 0.2.7
[INFO] tweaked toml for crates.io crate dns-mail-discover 0.2.7 written to /workspace/builds/worker-1-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]     Updating crates.io index
[INFO] [stderr]      Locking 173 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding async-std-resolver v0.22.0 (available: v0.24.1)
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding enum-as-inner v0.5.1 (available: v0.6.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.5)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding foreign-types v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding hostname v0.3.1 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.2.3 (available: v1.0.2)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding security-framework v2.11.1 (available: v3.0.0)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.5.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding trust-dns-proto v0.22.0 (available: v0.23.2)
[INFO] [stderr]       Adding trust-dns-resolver v0.22.0 (available: v0.23.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding winreg v0.50.0 (available: v0.52.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4366c8fd4b992a229a38985392fd29874ad92098c78b2a77f6de6cd1125db08e
[INFO] running `Command { std: "docker" "start" "-a" "4366c8fd4b992a229a38985392fd29874ad92098c78b2a77f6de6cd1125db08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4366c8fd4b992a229a38985392fd29874ad92098c78b2a77f6de6cd1125db08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4366c8fd4b992a229a38985392fd29874ad92098c78b2a77f6de6cd1125db08e", kill_on_drop: false }`
[INFO] [stdout] 4366c8fd4b992a229a38985392fd29874ad92098c78b2a77f6de6cd1125db08e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ac2c1ef20b9f7bbc56a7e6af6347c957b2dc6e64a815d4b572f897ea04e8c170
[INFO] running `Command { std: "docker" "start" "-a" "ac2c1ef20b9f7bbc56a7e6af6347c957b2dc6e64a815d4b572f897ea04e8c170", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking trust-dns-proto v0.22.0
[INFO] [stderr]     Checking async-native-tls v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.22.0
[INFO] [stderr]     Checking dns-mail-discover v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "ac2c1ef20b9f7bbc56a7e6af6347c957b2dc6e64a815d4b572f897ea04e8c170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2c1ef20b9f7bbc56a7e6af6347c957b2dc6e64a815d4b572f897ea04e8c170", kill_on_drop: false }`
[INFO] [stdout] ac2c1ef20b9f7bbc56a7e6af6347c957b2dc6e64a815d4b572f897ea04e8c170