[INFO] cloning repository https://github.com/skycloudd/kychess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skycloudd/kychess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Fkychess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Fkychess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf06e5439e28eb8a539a74fa3ccb0559c1646922
[INFO] checking skycloudd/kychess against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskycloudd%2Fkychess" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skycloudd/kychess 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/skycloudd/kychess
[INFO] finished tweaking git repo https://github.com/skycloudd/kychess
[INFO] tweaked toml for git repo https://github.com/skycloudd/kychess written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skycloudd/kychess 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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest v2.7.2
[INFO] [stderr]   Downloaded pest_meta v2.7.2
[INFO] [stderr]   Downloaded pest_generator v2.7.2
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded pest_derive v2.7.2
[INFO] [stderr]   Downloaded vampirc-uci v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] da3db30b7d15fd7e29db161044690bc93c2ad78bef4acd04a89df4f9331dd8c5
[INFO] running `Command { std: "docker" "start" "-a" "da3db30b7d15fd7e29db161044690bc93c2ad78bef4acd04a89df4f9331dd8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da3db30b7d15fd7e29db161044690bc93c2ad78bef4acd04a89df4f9331dd8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3db30b7d15fd7e29db161044690bc93c2ad78bef4acd04a89df4f9331dd8c5", kill_on_drop: false }`
[INFO] [stdout] da3db30b7d15fd7e29db161044690bc93c2ad78bef4acd04a89df4f9331dd8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ae4604bcb0cb26b8cad8f281ec4cbd0f6bf37f872bdfb375576001ea887fe61
[INFO] running `Command { std: "docker" "start" "-a" "7ae4604bcb0cb26b8cad8f281ec4cbd0f6bf37f872bdfb375576001ea887fe61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest v2.7.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]    Compiling pest_meta v2.7.2
[INFO] [stderr]    Compiling pest_generator v2.7.2
[INFO] [stderr]    Compiling pest_derive v2.7.2
[INFO] [stderr]     Checking vampirc-uci v0.11.1
[INFO] [stderr]     Checking kittycat v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.28s
[INFO] running `Command { std: "docker" "inspect" "7ae4604bcb0cb26b8cad8f281ec4cbd0f6bf37f872bdfb375576001ea887fe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae4604bcb0cb26b8cad8f281ec4cbd0f6bf37f872bdfb375576001ea887fe61", kill_on_drop: false }`
[INFO] [stdout] 7ae4604bcb0cb26b8cad8f281ec4cbd0f6bf37f872bdfb375576001ea887fe61