[INFO] cloning repository https://github.com/cyakarin/ipinspect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyakarin/ipinspect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyakarin%2Fipinspect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyakarin%2Fipinspect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 629367f690d10a4fe9854b5c9deca915723d631b
[INFO] checking cyakarin/ipinspect against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyakarin%2Fipinspect" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyakarin/ipinspect 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 git repo https://github.com/cyakarin/ipinspect
[INFO] finished tweaking git repo https://github.com/cyakarin/ipinspect
[INFO] tweaked toml for git repo https://github.com/cyakarin/ipinspect written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyakarin/ipinspect 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.186
[INFO] [stderr]   Downloaded serde v1.0.186
[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] e54a92bef42d159619c69403b7f2a1e2632a2b6aa1a56996225dc92b77f1fc50
[INFO] running `Command { std: "docker" "start" "-a" "e54a92bef42d159619c69403b7f2a1e2632a2b6aa1a56996225dc92b77f1fc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e54a92bef42d159619c69403b7f2a1e2632a2b6aa1a56996225dc92b77f1fc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54a92bef42d159619c69403b7f2a1e2632a2b6aa1a56996225dc92b77f1fc50", kill_on_drop: false }`
[INFO] [stdout] e54a92bef42d159619c69403b7f2a1e2632a2b6aa1a56996225dc92b77f1fc50
[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] ae30b1d461dc7d29e393235d72bc7fa557dcf6bf7810830000bf9c827d5d7430
[INFO] running `Command { std: "docker" "start" "-a" "ae30b1d461dc7d29e393235d72bc7fa557dcf6bf7810830000bf9c827d5d7430", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.186
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking ipinspect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "ae30b1d461dc7d29e393235d72bc7fa557dcf6bf7810830000bf9c827d5d7430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae30b1d461dc7d29e393235d72bc7fa557dcf6bf7810830000bf9c827d5d7430", kill_on_drop: false }`
[INFO] [stdout] ae30b1d461dc7d29e393235d72bc7fa557dcf6bf7810830000bf9c827d5d7430
[INFO] checking cyakarin/ipinspect against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyakarin%2Fipinspect" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyakarin/ipinspect on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyakarin/ipinspect
[INFO] finished tweaking git repo https://github.com/cyakarin/ipinspect
[INFO] tweaked toml for git repo https://github.com/cyakarin/ipinspect written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cyakarin/ipinspect 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f51436a660dce619d8f77053b4a0c2b14c3f3ee4c6525d2558f842c7aa8e4630
[INFO] running `Command { std: "docker" "start" "-a" "f51436a660dce619d8f77053b4a0c2b14c3f3ee4c6525d2558f842c7aa8e4630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51436a660dce619d8f77053b4a0c2b14c3f3ee4c6525d2558f842c7aa8e4630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51436a660dce619d8f77053b4a0c2b14c3f3ee4c6525d2558f842c7aa8e4630", kill_on_drop: false }`
[INFO] [stdout] f51436a660dce619d8f77053b4a0c2b14c3f3ee4c6525d2558f842c7aa8e4630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e7c656d2bbbd41cf57ac190b1790412608dd23d0b2f3a992add192b7d6d1fb
[INFO] running `Command { std: "docker" "start" "-a" "68e7c656d2bbbd41cf57ac190b1790412608dd23d0b2f3a992add192b7d6d1fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.186
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking ipinspect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/ipinspector.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 | /         match self.network.hosts().next() {
[INFO] [stdout] 106 | |             Some(x) => return x.to_string(),
[INFO] [stdout] 107 | |             None => return String::from("")
[INFO] [stdout] 108 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/ipinspector.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 | /         match self.network.hosts().next() {
[INFO] [stdout] 106 | |             Some(x) => return x.to_string(),
[INFO] [stdout] 107 | |             None => return String::from("")
[INFO] [stdout] 108 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipinspect` (bin "ipinspect") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipinspect` (bin "ipinspect" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "68e7c656d2bbbd41cf57ac190b1790412608dd23d0b2f3a992add192b7d6d1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e7c656d2bbbd41cf57ac190b1790412608dd23d0b2f3a992add192b7d6d1fb", kill_on_drop: false }`
[INFO] [stdout] 68e7c656d2bbbd41cf57ac190b1790412608dd23d0b2f3a992add192b7d6d1fb