[INFO] cloning repository https://github.com/0xflick/flichess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xflick/flichess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xflick%2Fflichess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xflick%2Fflichess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9187d31084d6fc085b06b9f4851e8694742d045c
[INFO] checking 0xflick/flichess against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xflick%2Fflichess" "/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/0xflick/flichess 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/0xflick/flichess
[INFO] finished tweaking git repo https://github.com/0xflick/flichess
[INFO] tweaked toml for git repo https://github.com/0xflick/flichess written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xflick/flichess 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 thread-id v3.3.0
[INFO] [stderr]   Downloaded log-panics v2.1.0
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded rustyline v14.0.0
[INFO] [stderr]   Downloaded simple-logging v2.0.2
[INFO] [stderr]   Downloaded regex v1.10.3
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c82dd370de8afc2d55cf8058ea84986eda19df724a1a0533f30f25757279571
[INFO] running `Command { std: "docker" "start" "-a" "2c82dd370de8afc2d55cf8058ea84986eda19df724a1a0533f30f25757279571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c82dd370de8afc2d55cf8058ea84986eda19df724a1a0533f30f25757279571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c82dd370de8afc2d55cf8058ea84986eda19df724a1a0533f30f25757279571", kill_on_drop: false }`
[INFO] [stdout] 2c82dd370de8afc2d55cf8058ea84986eda19df724a1a0533f30f25757279571
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6a232bbdfea3f16b6594f682606fcf336f5d511c97d17efde33928c0e1620f
[INFO] running `Command { std: "docker" "start" "-a" "7f6a232bbdfea3f16b6594f682606fcf336f5d511c97d17efde33928c0e1620f", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking log-panics v2.1.0
[INFO] [stderr]     Checking flichess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.28s
[INFO] running `Command { std: "docker" "inspect" "7f6a232bbdfea3f16b6594f682606fcf336f5d511c97d17efde33928c0e1620f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6a232bbdfea3f16b6594f682606fcf336f5d511c97d17efde33928c0e1620f", kill_on_drop: false }`
[INFO] [stdout] 7f6a232bbdfea3f16b6594f682606fcf336f5d511c97d17efde33928c0e1620f
[INFO] checking 0xflick/flichess against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xflick%2Fflichess" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xflick/flichess 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/0xflick/flichess
[INFO] finished tweaking git repo https://github.com/0xflick/flichess
[INFO] tweaked toml for git repo https://github.com/0xflick/flichess written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0xflick/flichess 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c7f0139476ab65ed1286ff25c1788fe6cae641005137d756c83736a961734d72
[INFO] running `Command { std: "docker" "start" "-a" "c7f0139476ab65ed1286ff25c1788fe6cae641005137d756c83736a961734d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f0139476ab65ed1286ff25c1788fe6cae641005137d756c83736a961734d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f0139476ab65ed1286ff25c1788fe6cae641005137d756c83736a961734d72", kill_on_drop: false }`
[INFO] [stdout] c7f0139476ab65ed1286ff25c1788fe6cae641005137d756c83736a961734d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fedde73dff6c2d723165ada77baba8f09ccd195b234c4de47d062cf6fd8ad23e
[INFO] running `Command { std: "docker" "start" "-a" "fedde73dff6c2d723165ada77baba8f09ccd195b234c4de47d062cf6fd8ad23e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking log-panics v2.1.0
[INFO] [stderr]     Checking flichess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.90s
[INFO] running `Command { std: "docker" "inspect" "fedde73dff6c2d723165ada77baba8f09ccd195b234c4de47d062cf6fd8ad23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedde73dff6c2d723165ada77baba8f09ccd195b234c4de47d062cf6fd8ad23e", kill_on_drop: false }`
[INFO] [stdout] fedde73dff6c2d723165ada77baba8f09ccd195b234c4de47d062cf6fd8ad23e