[INFO] cloning repository https://github.com/unusualdri/xkcd-rss-to-json-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unusualdri/xkcd-rss-to-json-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funusualdri%2Fxkcd-rss-to-json-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funusualdri%2Fxkcd-rss-to-json-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a6ea3c35bc9eb48f343961c2e290f2f1a1467c5
[INFO] checking unusualdri/xkcd-rss-to-json-example against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funusualdri%2Fxkcd-rss-to-json-example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unusualdri/xkcd-rss-to-json-example 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/unusualdri/xkcd-rss-to-json-example
[INFO] finished tweaking git repo https://github.com/unusualdri/xkcd-rss-to-json-example
[INFO] tweaked toml for git repo https://github.com/unusualdri/xkcd-rss-to-json-example written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/unusualdri/xkcd-rss-to-json-example 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] warning: dependency (serde) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.12.0
[INFO] [stderr]   Downloaded derive_builder v0.12.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.4
[INFO] [stderr]   Downloaded futures-executor v0.3.30
[INFO] [stderr]   Downloaded atom_syndication v0.12.2
[INFO] [stderr]   Downloaded rss v2.0.7
[INFO] [stderr]   Downloaded openssl-sys v0.9.101
[INFO] [stderr]   Downloaded reqwest v0.11.24
[INFO] [stderr]   Downloaded quick-xml v0.30.0
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded derive_builder_macro v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 69bc5405c48cc900473e0128f15772916076b187a10105fd821a81c93c7f80e0
[INFO] running `Command { std: "docker" "start" "-a" "69bc5405c48cc900473e0128f15772916076b187a10105fd821a81c93c7f80e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69bc5405c48cc900473e0128f15772916076b187a10105fd821a81c93c7f80e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bc5405c48cc900473e0128f15772916076b187a10105fd821a81c93c7f80e0", kill_on_drop: false }`
[INFO] [stdout] 69bc5405c48cc900473e0128f15772916076b187a10105fd821a81c93c7f80e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0f98ca91e4ae63d323e8341c3c90745e6a1b6db5ade91351f883c2f3c42ab9e9
[INFO] running `Command { std: "docker" "start" "-a" "0f98ca91e4ae63d323e8341c3c90745e6a1b6db5ade91351f883c2f3c42ab9e9", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (serde) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking quick-xml v0.30.0
[INFO] [stderr]     Checking never v0.1.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]     Checking diligent-date-parser v0.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking atom_syndication v0.12.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking rss v2.0.7
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking xkcd-rss-to-json-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "0f98ca91e4ae63d323e8341c3c90745e6a1b6db5ade91351f883c2f3c42ab9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f98ca91e4ae63d323e8341c3c90745e6a1b6db5ade91351f883c2f3c42ab9e9", kill_on_drop: false }`
[INFO] [stdout] 0f98ca91e4ae63d323e8341c3c90745e6a1b6db5ade91351f883c2f3c42ab9e9