[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#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[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 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded pgn-reader v0.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.2
[INFO] [stderr]   Downloaded regex v0.2.9
[INFO] [stderr]   Downloaded btoi v0.1.3
[INFO] [stderr]   Downloaded uci v0.1.2
[INFO] [stderr]   Downloaded option-filter v1.0.1
[INFO] [stderr]   Downloaded shakmaty v0.6.1
[INFO] [stderr]   Downloaded shakmaty v0.5.1
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaf890c411093d0decdd7e094193d82288460b5c4552445d8a0fb37976dc630d
[INFO] running `Command { std: "docker" "start" "-a" "eaf890c411093d0decdd7e094193d82288460b5c4552445d8a0fb37976dc630d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaf890c411093d0decdd7e094193d82288460b5c4552445d8a0fb37976dc630d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf890c411093d0decdd7e094193d82288460b5c4552445d8a0fb37976dc630d", kill_on_drop: false }`
[INFO] [stdout] eaf890c411093d0decdd7e094193d82288460b5c4552445d8a0fb37976dc630d
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36d3c580e5c1d87e940c372d7eaff1eca435767669f587f8e9a9d0e9bd42b67a
[INFO] running `Command { std: "docker" "start" "-a" "36d3c580e5c1d87e940c372d7eaff1eca435767669f587f8e9a9d0e9bd42b67a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking libc v0.2.39
[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 bitflags v1.0.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking option-filter v1.0.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]    Compiling shakmaty v0.5.1
[INFO] [stderr]    Compiling shakmaty v0.6.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking uci v0.1.2
[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 8.69s
[INFO] running `Command { std: "docker" "inspect" "36d3c580e5c1d87e940c372d7eaff1eca435767669f587f8e9a9d0e9bd42b67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d3c580e5c1d87e940c372d7eaff1eca435767669f587f8e9a9d0e9bd42b67a", kill_on_drop: false }`
[INFO] [stdout] 36d3c580e5c1d87e940c372d7eaff1eca435767669f587f8e9a9d0e9bd42b67a
[INFO] checking crazymerlyn/termchess against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[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 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 898d51f58f43eddd456d4bf693ac7e8893d9f292fe7155427ca8d0a73de64f5a
[INFO] running `Command { std: "docker" "start" "-a" "898d51f58f43eddd456d4bf693ac7e8893d9f292fe7155427ca8d0a73de64f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "898d51f58f43eddd456d4bf693ac7e8893d9f292fe7155427ca8d0a73de64f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898d51f58f43eddd456d4bf693ac7e8893d9f292fe7155427ca8d0a73de64f5a", kill_on_drop: false }`
[INFO] [stdout] 898d51f58f43eddd456d4bf693ac7e8893d9f292fe7155427ca8d0a73de64f5a
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fee3f3092cfd0be89691f3053780ee7178f707494d94065c88bd58a285f712
[INFO] running `Command { std: "docker" "start" "-a" "f3fee3f3092cfd0be89691f3053780ee7178f707494d94065c88bd58a285f712", 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 num-traits v0.2.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking option-filter v1.0.1
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling shakmaty v0.5.1
[INFO] [stderr]    Compiling shakmaty v0.6.1
[INFO] [stderr]     Checking uci v0.1.2
[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 9.25s
[INFO] running `Command { std: "docker" "inspect" "f3fee3f3092cfd0be89691f3053780ee7178f707494d94065c88bd58a285f712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fee3f3092cfd0be89691f3053780ee7178f707494d94065c88bd58a285f712", kill_on_drop: false }`
[INFO] [stdout] f3fee3f3092cfd0be89691f3053780ee7178f707494d94065c88bd58a285f712