[INFO] updating cached repository https://github.com/bpbp-boop/fping_exporter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d348ad1742c8bc8d68d671abc22fbb76dbe7ce4
[INFO] checking bpbp-boop/fping_exporter against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpbp-boop%2Ffping_exporter" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpbp-boop/fping_exporter on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bpbp-boop/fping_exporter
[INFO] finished tweaking git repo https://github.com/bpbp-boop/fping_exporter
[INFO] tweaked toml for git repo https://github.com/bpbp-boop/fping_exporter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bpbp-boop/fping_exporter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b159035f02ec6bbd41469e9e33e2bc8b3a2086b9d5d5b2f3630df9f809ec511
[INFO] running `"docker" "start" "-a" "6b159035f02ec6bbd41469e9e33e2bc8b3a2086b9d5d5b2f3630df9f809ec511"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
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[INFO] [stderr]    Compiling cc v1.0.45
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[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling bitflags v1.2.0
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[INFO] [stderr]     Checking spin v0.5.2
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[INFO] [stderr]    Compiling rustc-demangle v0.1.16
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[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking arc-swap v0.4.3
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.0
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[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.8
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[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
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[INFO] [stderr]     Checking arrayvec v0.4.11
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[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v0.4.2
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[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]    Compiling quote v0.6.13
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[INFO] [stderr]     Checking futures-cpupool v0.1.8
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[INFO] [stderr]     Checking signal-hook v0.1.11
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[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking url v1.7.2
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[INFO] [stderr]     Checking string v0.2.1
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[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling structopt-toml-derive v0.4.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.13
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking ipnet v2.0.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking actix-rt v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]    Compiling structopt-toml v0.4.0
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking prometheus_exporter_base v0.4.0
[INFO] [stderr]     Checking actix-http v0.2.10
[INFO] [stderr]     Checking awc v0.2.7
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]     Checking fping_exporter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Ipv4Addr`
[INFO] [stderr]    --> src/ping_result.rs:140:35
[INFO] [stderr]     |
[INFO] [stderr] 140 |     assert_eq!(result.ip_address, Ipv4Addr::new(1, 1, 1, 1));
[INFO] [stderr]     |                                   ^^^^^^^^ use of undeclared type or module `Ipv4Addr`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Ipv4Addr`
[INFO] [stderr]    --> src/ping_result.rs:157:35
[INFO] [stderr]     |
[INFO] [stderr] 157 |     assert_eq!(result.ip_address, Ipv4Addr::new(202, 12, 11, 1));
[INFO] [stderr]     |                                   ^^^^^^^^ use of undeclared type or module `Ipv4Addr`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `fping_exporter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6b159035f02ec6bbd41469e9e33e2bc8b3a2086b9d5d5b2f3630df9f809ec511"`
[INFO] running `"docker" "rm" "-f" "6b159035f02ec6bbd41469e9e33e2bc8b3a2086b9d5d5b2f3630df9f809ec511"`
[INFO] [stdout] 6b159035f02ec6bbd41469e9e33e2bc8b3a2086b9d5d5b2f3630df9f809ec511