[INFO] fetching crate nscan 0.7.0...
[INFO] checking nscan-0.7.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate nscan 0.7.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate nscan 0.7.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nscan 0.7.0
[INFO] finished tweaking crates.io crate nscan 0.7.0
[INFO] tweaked toml for crates.io crate nscan 0.7.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate nscan 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 154b1c2e25d23cdf6cd558698e3a2ca46c6bb151ec93e225e8c8cd08f4a1da6a
[INFO] running `Command { std: "docker" "start" "-a" "154b1c2e25d23cdf6cd558698e3a2ca46c6bb151ec93e225e8c8cd08f4a1da6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "154b1c2e25d23cdf6cd558698e3a2ca46c6bb151ec93e225e8c8cd08f4a1da6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154b1c2e25d23cdf6cd558698e3a2ca46c6bb151ec93e225e8c8cd08f4a1da6a", kill_on_drop: false }`
[INFO] [stdout] 154b1c2e25d23cdf6cd558698e3a2ca46c6bb151ec93e225e8c8cd08f4a1da6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51de37dfc8b8cb4debf4a08e172304ac2bc74663a1fb5ca861cecea037fbca9a
[INFO] running `Command { std: "docker" "start" "-a" "51de37dfc8b8cb4debf4a08e172304ac2bc74663a1fb5ca861cecea037fbca9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling pnet v0.28.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking pnet_sys v0.28.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking dns-lookup v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking sudo v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking term-table v1.3.1
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]     Checking pnet_packet v0.28.0
[INFO] [stderr]     Checking pnet_transport v0.28.0
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking pnet_datalink v0.28.0
[INFO] [stderr]     Checking default-net v0.4.0
[INFO] [stderr]     Checking netscan v0.6.0
[INFO] [stderr]     Checking nscan v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.35s
[INFO] running `Command { std: "docker" "inspect" "51de37dfc8b8cb4debf4a08e172304ac2bc74663a1fb5ca861cecea037fbca9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51de37dfc8b8cb4debf4a08e172304ac2bc74663a1fb5ca861cecea037fbca9a", kill_on_drop: false }`
[INFO] [stdout] 51de37dfc8b8cb4debf4a08e172304ac2bc74663a1fb5ca861cecea037fbca9a