[INFO] fetching crate kungfu 0.1.23...
[INFO] checking kungfu-0.1.23 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate kungfu 0.1.23 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate kungfu 0.1.23 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 kungfu 0.1.23
[INFO] finished tweaking crates.io crate kungfu 0.1.23
[INFO] tweaked toml for crates.io crate kungfu 0.1.23 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate kungfu 0.1.23 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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afe91e2769078e2b2f4a7a818d169a96461f4fe06624bde80f38afe401c05046
[INFO] running `Command { std: "docker" "start" "-a" "afe91e2769078e2b2f4a7a818d169a96461f4fe06624bde80f38afe401c05046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afe91e2769078e2b2f4a7a818d169a96461f4fe06624bde80f38afe401c05046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe91e2769078e2b2f4a7a818d169a96461f4fe06624bde80f38afe401c05046", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b55f2b6fd0835ccac7ddf5124be65071694c550dd71b9d448af52cdc23c86a31
[INFO] running `Command { std: "docker" "start" "-a" "b55f2b6fd0835ccac7ddf5124be65071694c550dd71b9d448af52cdc23c86a31", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]    --> src/gateway/nat.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use std::net::Ipv4Addr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 104 |
[INFO] [stdout] 105 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `remark` is never read
[INFO] [stdout]   --> src/config/dns_table.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Addr {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub remark: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Addr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `Command { std: "docker" "inspect" "b55f2b6fd0835ccac7ddf5124be65071694c550dd71b9d448af52cdc23c86a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55f2b6fd0835ccac7ddf5124be65071694c550dd71b9d448af52cdc23c86a31", kill_on_drop: false }`
[INFO] [stdout] b55f2b6fd0835ccac7ddf5124be65071694c550dd71b9d448af52cdc23c86a31