[INFO] cloning repository https://github.com/bpbp-boop/fping_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpbp-boop/fping_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpbp-boop%2Ffping_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpbp-boop%2Ffping_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45c9ca26890bcfb8acacb4e8538eaab09ed0be16
[INFO] building bpbp-boop/fping_exporter/45c9ca26890bcfb8acacb4e8538eaab09ed0be16 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpbp-boop%2Ffping_exporter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpbp-boop/fping_exporter on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9b5f4088a9af883f62e3d866d3a18c48dba8b1b8533da6561453f57d5ab7a7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5f4088a9af883f62e3d866d3a18c48dba8b1b8533da6561453f57d5ab7a7a3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dd401a0582616bfc79ed228c11002e05121807c3af9b50b49be341e5cd52864e", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug, Deserialize, StructOpt, StructOptToml)]
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sent` and `received` are never read
[INFO] [stdout]   --> src/ping_result.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct PingResult {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 37 |     pub ip_address: IpAddr,
[INFO] [stdout] 38 |     pub sent: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 39 |     pub received: u8,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PingResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug, Deserialize, StructOpt, StructOptToml)]
[INFO] [stdout]    |                 ^----------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Deserialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Opt`
[INFO] [stdout] ...
[INFO] [stdout] 31 | struct Opt {
[INFO] [stdout]    |        --- `Opt` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "dd401a0582616bfc79ed228c11002e05121807c3af9b50b49be341e5cd52864e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd401a0582616bfc79ed228c11002e05121807c3af9b50b49be341e5cd52864e", kill_on_drop: false }`
[INFO] [stdout] dd401a0582616bfc79ed228c11002e05121807c3af9b50b49be341e5cd52864e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ca7052a73f5ed32431a327f7fb4ca1e34f995e3dae04e735cca1f4dfdb3917
[INFO] running `Command { std: "docker" "start" "-a" "c2ca7052a73f5ed32431a327f7fb4ca1e34f995e3dae04e735cca1f4dfdb3917", kill_on_drop: false }`
[INFO] [stderr]    Compiling fping_exporter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ipv4Addr`
[INFO] [stdout]    --> src/ping_result.rs:140:35
[INFO] [stdout]     |
[INFO] [stdout] 140 |     assert_eq!(result.ip_address, Ipv4Addr::new(1, 1, 1, 1));
[INFO] [stdout]     |                                   ^^^^^^^^ use of undeclared type `Ipv4Addr`
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 140 -     assert_eq!(result.ip_address, Ipv4Addr::new(1, 1, 1, 1));
[INFO] [stdout] 140 +     assert_eq!(result.ip_address, IpAddr::new(1, 1, 1, 1));
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::net::Ipv4Addr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Ipv4Addr`
[INFO] [stdout]    --> src/ping_result.rs:157:35
[INFO] [stdout]     |
[INFO] [stdout] 157 |     assert_eq!(result.ip_address, Ipv4Addr::new(202, 12, 11, 1));
[INFO] [stdout]     |                                   ^^^^^^^^ use of undeclared type `Ipv4Addr`
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 157 -     assert_eq!(result.ip_address, Ipv4Addr::new(202, 12, 11, 1));
[INFO] [stdout] 157 +     assert_eq!(result.ip_address, IpAddr::new(202, 12, 11, 1));
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::net::Ipv4Addr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug, Deserialize, StructOpt, StructOptToml)]
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fping_exporter` (bin "fping_exporter" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c2ca7052a73f5ed32431a327f7fb4ca1e34f995e3dae04e735cca1f4dfdb3917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ca7052a73f5ed32431a327f7fb4ca1e34f995e3dae04e735cca1f4dfdb3917", kill_on_drop: false }`
[INFO] [stdout] c2ca7052a73f5ed32431a327f7fb4ca1e34f995e3dae04e735cca1f4dfdb3917