[INFO] cloning repository https://github.com/crazymerlyn/termchess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crazymerlyn/termchess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Ftermchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Ftermchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 471aa4c3943d3b5d8928882b37574ac17ee721ca
[INFO] checking crazymerlyn/termchess against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Ftermchess" "/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/crazymerlyn/termchess 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/crazymerlyn/termchess
[INFO] finished tweaking git repo https://github.com/crazymerlyn/termchess
[INFO] tweaked toml for git repo https://github.com/crazymerlyn/termchess written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/crazymerlyn/termchess 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 uci v0.1.2
[INFO] [stderr]   Downloaded regex v0.2.9
[INFO] [stderr]   Downloaded regex-syntax v0.5.2
[INFO] [stderr]   Downloaded btoi v0.1.3
[INFO] [stderr]   Downloaded option-filter v1.0.1
[INFO] [stderr]   Downloaded shakmaty v0.5.1
[INFO] [stderr]   Downloaded shakmaty v0.6.1
[INFO] [stderr]   Downloaded pgn-reader v0.4.0
[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] b8fe89acce7d581fe65f847ab4e1df9a00e5b9bcb8035e09ec518762a9641141
[INFO] running `Command { std: "docker" "start" "-a" "b8fe89acce7d581fe65f847ab4e1df9a00e5b9bcb8035e09ec518762a9641141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8fe89acce7d581fe65f847ab4e1df9a00e5b9bcb8035e09ec518762a9641141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fe89acce7d581fe65f847ab4e1df9a00e5b9bcb8035e09ec518762a9641141", kill_on_drop: false }`
[INFO] [stdout] b8fe89acce7d581fe65f847ab4e1df9a00e5b9bcb8035e09ec518762a9641141
[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] d5e86d4cef425381c3551259e2d838f18436a85a134fec7078b9e95201690c2d
[INFO] running `Command { std: "docker" "start" "-a" "d5e86d4cef425381c3551259e2d838f18436a85a134fec7078b9e95201690c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking option-filter v1.0.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking uci v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling shakmaty v0.5.1
[INFO] [stderr]    Compiling shakmaty v0.6.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking btoi v0.1.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking pgn-reader v0.4.0
[INFO] [stderr]     Checking termchess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "d5e86d4cef425381c3551259e2d838f18436a85a134fec7078b9e95201690c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e86d4cef425381c3551259e2d838f18436a85a134fec7078b9e95201690c2d", kill_on_drop: false }`
[INFO] [stdout] d5e86d4cef425381c3551259e2d838f18436a85a134fec7078b9e95201690c2d
[INFO] checking crazymerlyn/termchess against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Ftermchess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crazymerlyn/termchess 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/crazymerlyn/termchess
[INFO] finished tweaking git repo https://github.com/crazymerlyn/termchess
[INFO] tweaked toml for git repo https://github.com/crazymerlyn/termchess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/crazymerlyn/termchess 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 865c4e7d53fc11ff1b9af7d67e4a8cf6c4852e2d472b4906d79a5750ef8ecfe6
[INFO] running `Command { std: "docker" "start" "-a" "865c4e7d53fc11ff1b9af7d67e4a8cf6c4852e2d472b4906d79a5750ef8ecfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "865c4e7d53fc11ff1b9af7d67e4a8cf6c4852e2d472b4906d79a5750ef8ecfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865c4e7d53fc11ff1b9af7d67e4a8cf6c4852e2d472b4906d79a5750ef8ecfe6", kill_on_drop: false }`
[INFO] [stdout] 865c4e7d53fc11ff1b9af7d67e4a8cf6c4852e2d472b4906d79a5750ef8ecfe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d162dc55c53be367ca8de36002ce498f1339ad964f8ef804ab5bc8f749a700eb
[INFO] running `Command { std: "docker" "start" "-a" "d162dc55c53be367ca8de36002ce498f1339ad964f8ef804ab5bc8f749a700eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking option-filter v1.0.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking uci v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling shakmaty v0.5.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling shakmaty v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking btoi v0.1.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.9/src/exec.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 752 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 753 | |                 self.cache,
[INFO] [stdout] 754 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 761 | |                 Quit => return Some(Quit),
[INFO] [stdout] 762 | |             };
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d162dc55c53be367ca8de36002ce498f1339ad964f8ef804ab5bc8f749a700eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d162dc55c53be367ca8de36002ce498f1339ad964f8ef804ab5bc8f749a700eb", kill_on_drop: false }`
[INFO] [stdout] d162dc55c53be367ca8de36002ce498f1339ad964f8ef804ab5bc8f749a700eb