[INFO] cloning repository https://github.com/domfarr98/NetworkScanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domfarr98/NetworkScanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomfarr98%2FNetworkScanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomfarr98%2FNetworkScanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 224caa952b4f95ac3d90ec89b0a603fc0f0285e1
[INFO] checking domfarr98/NetworkScanner/224caa952b4f95ac3d90ec89b0a603fc0f0285e1 against try#f827120c9528a1a0e4c9881169eacd52170f9a08 for pr-130367
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomfarr98%2FNetworkScanner" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domfarr98/NetworkScanner on toolchain f827120c9528a1a0e4c9881169eacd52170f9a08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f827120c9528a1a0e4c9881169eacd52170f9a08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/domfarr98/NetworkScanner
[INFO] finished tweaking git repo https://github.com/domfarr98/NetworkScanner
[INFO] tweaked toml for git repo https://github.com/domfarr98/NetworkScanner written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/domfarr98/NetworkScanner 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" "+f827120c9528a1a0e4c9881169eacd52170f9a08" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded ipconfig v0.3.0
[INFO] [stderr]   Downloaded qscan v0.6.0
[INFO] [stderr]   Downloaded pnet_packet v0.30.0
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded pnet_base v0.30.0
[INFO] [stderr]   Downloaded cidr-utils v0.5.7
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded surge-ping v0.7.2
[INFO] [stderr]   Downloaded pnet_macros v0.30.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.30.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f827120c9528a1a0e4c9881169eacd52170f9a08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4136760b08097a5aa427053050b6b471034e1afd4949d9287b4ec07ab6a553
[INFO] running `Command { std: "docker" "start" "-a" "9f4136760b08097a5aa427053050b6b471034e1afd4949d9287b4ec07ab6a553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4136760b08097a5aa427053050b6b471034e1afd4949d9287b4ec07ab6a553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4136760b08097a5aa427053050b6b471034e1afd4949d9287b4ec07ab6a553", kill_on_drop: false }`
[INFO] [stdout] 9f4136760b08097a5aa427053050b6b471034e1afd4949d9287b4ec07ab6a553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+f827120c9528a1a0e4c9881169eacd52170f9a08" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e162e027369b96320075521bc62a78542c761c632d37ee2dc3865ee4a28fffbe
[INFO] running `Command { std: "docker" "start" "-a" "e162e027369b96320075521bc62a78542c761c632d37ee2dc3865ee4a28fffbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking pnet_base v0.30.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking pnet_macros_support v0.30.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e162e027369b96320075521bc62a78542c761c632d37ee2dc3865ee4a28fffbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e162e027369b96320075521bc62a78542c761c632d37ee2dc3865ee4a28fffbe", kill_on_drop: false }`
[INFO] [stdout] e162e027369b96320075521bc62a78542c761c632d37ee2dc3865ee4a28fffbe