[INFO] fetching crate netscan 0.22.0...
[INFO] checking netscan-0.22.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate netscan 0.22.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate netscan 0.22.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netscan 0.22.0
[INFO] removed 11 missing examples
[INFO] finished tweaking crates.io crate netscan 0.22.0
[INFO] tweaked toml for crates.io crate netscan 0.22.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate netscan 0.22.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xenet v0.2.0
[INFO] [stderr]   Downloaded default-net v0.21.0
[INFO] [stderr]   Downloaded xenet-macro v0.2.0
[INFO] [stderr]   Downloaded xenet-packet-builder v0.2.0
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded xenet-macro-helper v0.2.0
[INFO] [stderr]   Downloaded xenet-core v0.2.0
[INFO] [stderr]   Downloaded netscan-os v0.22.0
[INFO] [stderr]   Downloaded xenet-packet v0.2.0
[INFO] [stderr]   Downloaded netscan-pcap v0.22.0
[INFO] [stderr]   Downloaded netscan-service v0.22.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.17.0
[INFO] [stderr]   Downloaded xenet-sys v0.2.0
[INFO] [stderr]   Downloaded dns-lookup v2.0.2
[INFO] [stderr]   Downloaded xenet-datalink v0.2.0
[INFO] [stderr]   Downloaded xenet-socket v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1bffd8435179a2dfe39d6f722a2c04619298482bab99ecb8d0d106076684e4
[INFO] running `Command { std: "docker" "start" "-a" "ea1bffd8435179a2dfe39d6f722a2c04619298482bab99ecb8d0d106076684e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1bffd8435179a2dfe39d6f722a2c04619298482bab99ecb8d0d106076684e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1bffd8435179a2dfe39d6f722a2c04619298482bab99ecb8d0d106076684e4", kill_on_drop: false }`
[INFO] [stdout] ea1bffd8435179a2dfe39d6f722a2c04619298482bab99ecb8d0d106076684e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d63a8a347989c72607802e9a398ec398ba23becd8145749f675de28320aaa2
[INFO] running `Command { std: "docker" "start" "-a" "e8d63a8a347989c72607802e9a398ec398ba23becd8145749f675de28320aaa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking default-net v0.21.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking xenet-core v0.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking xenet-macro-helper v0.2.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]     Checking xenet-sys v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking xenet-datalink v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking dns-lookup v2.0.2
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling xenet-macro v0.2.0
[INFO] [stderr]     Checking xenet-packet v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking xenet-socket v0.2.0
[INFO] [stderr]     Checking xenet-packet-builder v0.2.0
[INFO] [stderr]     Checking xenet v0.2.0
[INFO] [stderr]     Checking netscan-pcap v0.22.0
[INFO] [stderr]     Checking netscan v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "e8d63a8a347989c72607802e9a398ec398ba23becd8145749f675de28320aaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d63a8a347989c72607802e9a398ec398ba23becd8145749f675de28320aaa2", kill_on_drop: false }`
[INFO] [stdout] e8d63a8a347989c72607802e9a398ec398ba23becd8145749f675de28320aaa2