[INFO] cloning repository https://github.com/Blxee/chess-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Blxee/chess-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlxee%2Fchess-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlxee%2Fchess-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 506c6acc6b580d625d77a6174ad2f1daa24eab8f
[INFO] checking Blxee/chess-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlxee%2Fchess-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Blxee/chess-rs 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/Blxee/chess-rs
[INFO] finished tweaking git repo https://github.com/Blxee/chess-rs
[INFO] tweaked toml for git repo https://github.com/Blxee/chess-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Blxee/chess-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded clap_lex v0.3.2
[INFO] [stderr]   Downloaded clap v4.1.8
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2ddb60e2bb25008b2b4ac886ab242cae1ecbaaa2e6e571517a173e425a9a180
[INFO] running `Command { std: "docker" "start" "-a" "a2ddb60e2bb25008b2b4ac886ab242cae1ecbaaa2e6e571517a173e425a9a180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ddb60e2bb25008b2b4ac886ab242cae1ecbaaa2e6e571517a173e425a9a180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ddb60e2bb25008b2b4ac886ab242cae1ecbaaa2e6e571517a173e425a9a180", kill_on_drop: false }`
[INFO] [stdout] a2ddb60e2bb25008b2b4ac886ab242cae1ecbaaa2e6e571517a173e425a9a180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9977d034a8bb63f087deb3a5c5e163e32b5b15c5d70696fa1a90b3248039cca5
[INFO] running `Command { std: "docker" "start" "-a" "9977d034a8bb63f087deb3a5c5e163e32b5b15c5d70696fa1a90b3248039cca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]     Checking chess-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "9977d034a8bb63f087deb3a5c5e163e32b5b15c5d70696fa1a90b3248039cca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9977d034a8bb63f087deb3a5c5e163e32b5b15c5d70696fa1a90b3248039cca5", kill_on_drop: false }`
[INFO] [stdout] 9977d034a8bb63f087deb3a5c5e163e32b5b15c5d70696fa1a90b3248039cca5
[INFO] checking Blxee/chess-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlxee%2Fchess-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Blxee/chess-rs 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/Blxee/chess-rs
[INFO] finished tweaking git repo https://github.com/Blxee/chess-rs
[INFO] tweaked toml for git repo https://github.com/Blxee/chess-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Blxee/chess-rs 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 408516a94754d4b07e2ecabe2171a13b63f5e1159acb3dac2845df7e75b6bcef
[INFO] running `Command { std: "docker" "start" "-a" "408516a94754d4b07e2ecabe2171a13b63f5e1159acb3dac2845df7e75b6bcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408516a94754d4b07e2ecabe2171a13b63f5e1159acb3dac2845df7e75b6bcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408516a94754d4b07e2ecabe2171a13b63f5e1159acb3dac2845df7e75b6bcef", kill_on_drop: false }`
[INFO] [stdout] 408516a94754d4b07e2ecabe2171a13b63f5e1159acb3dac2845df7e75b6bcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 21e5524646a4961436cbbcf24ab0f8c543afa0dd16c9425d406f91dd42bbf130
[INFO] running `Command { std: "docker" "start" "-a" "21e5524646a4961436cbbcf24ab0f8c543afa0dd16c9425d406f91dd42bbf130", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]     Checking chess-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "21e5524646a4961436cbbcf24ab0f8c543afa0dd16c9425d406f91dd42bbf130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e5524646a4961436cbbcf24ab0f8c543afa0dd16c9425d406f91dd42bbf130", kill_on_drop: false }`
[INFO] [stdout] 21e5524646a4961436cbbcf24ab0f8c543afa0dd16c9425d406f91dd42bbf130