[INFO] cloning repository https://github.com/Axect/Rugfield
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Axect/Rugfield" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxect%2FRugfield", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxect%2FRugfield'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fc9217ca971751291344fc5970ca5e9b4d21022
[INFO] checking Axect/Rugfield against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxect%2FRugfield" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axect/Rugfield 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/Axect/Rugfield
[INFO] finished tweaking git repo https://github.com/Axect/Rugfield
[INFO] tweaked toml for git repo https://github.com/Axect/Rugfield written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Axect/Rugfield 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 primal-check v0.3.3
[INFO] [stderr]   Downloaded transpose v0.2.3
[INFO] [stderr]   Downloaded peroxide-ad v0.3.0
[INFO] [stderr]   Downloaded peroxide-num v0.1.4
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.21.1
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded pyo3-macros v0.21.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.21.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.21.1
[INFO] [stderr]   Downloaded peroxide v0.35.1
[INFO] [stderr]   Downloaded puruspe v0.2.4
[INFO] [stderr]   Downloaded pyo3 v0.21.1
[INFO] [stderr]   Downloaded rustfft v6.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 84273655b264b4443e5b1a2a2fb1753ab1e149f89b3de34e27e6b327d6c997df
[INFO] running `Command { std: "docker" "start" "-a" "84273655b264b4443e5b1a2a2fb1753ab1e149f89b3de34e27e6b327d6c997df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84273655b264b4443e5b1a2a2fb1753ab1e149f89b3de34e27e6b327d6c997df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84273655b264b4443e5b1a2a2fb1753ab1e149f89b3de34e27e6b327d6c997df", kill_on_drop: false }`
[INFO] [stdout] 84273655b264b4443e5b1a2a2fb1753ab1e149f89b3de34e27e6b327d6c997df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff9200ed9f9a36a58573437489223b604dc7e58625c6d80ff167e69a06d67e76
[INFO] running `Command { std: "docker" "start" "-a" "ff9200ed9f9a36a58573437489223b604dc7e58625c6d80ff167e69a06d67e76", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking peroxide-num v0.1.4
[INFO] [stderr]     Checking puruspe v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling pyo3-build-config v0.21.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling pyo3-ffi v0.21.1
[INFO] [stderr]    Compiling pyo3 v0.21.1
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.1
[INFO] [stderr]    Compiling pyo3-macros v0.21.1
[INFO] [stderr]     Checking peroxide v0.35.1
[INFO] [stderr]     Checking rugfield v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.96s
[INFO] running `Command { std: "docker" "inspect" "ff9200ed9f9a36a58573437489223b604dc7e58625c6d80ff167e69a06d67e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9200ed9f9a36a58573437489223b604dc7e58625c6d80ff167e69a06d67e76", kill_on_drop: false }`
[INFO] [stdout] ff9200ed9f9a36a58573437489223b604dc7e58625c6d80ff167e69a06d67e76
[INFO] checking Axect/Rugfield against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxect%2FRugfield" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axect/Rugfield 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/Axect/Rugfield
[INFO] finished tweaking git repo https://github.com/Axect/Rugfield
[INFO] tweaked toml for git repo https://github.com/Axect/Rugfield written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Axect/Rugfield 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b14bd519ad58b83f1e9a04b3c265bf20626fb13f7c3332da8dcbba5810444408
[INFO] running `Command { std: "docker" "start" "-a" "b14bd519ad58b83f1e9a04b3c265bf20626fb13f7c3332da8dcbba5810444408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b14bd519ad58b83f1e9a04b3c265bf20626fb13f7c3332da8dcbba5810444408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14bd519ad58b83f1e9a04b3c265bf20626fb13f7c3332da8dcbba5810444408", kill_on_drop: false }`
[INFO] [stdout] b14bd519ad58b83f1e9a04b3c265bf20626fb13f7c3332da8dcbba5810444408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 31fdf74a1ef3db8ec548212f1430198c82c9f468264e70b76752676398cc4e64
[INFO] running `Command { std: "docker" "start" "-a" "31fdf74a1ef3db8ec548212f1430198c82c9f468264e70b76752676398cc4e64", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking peroxide-num v0.1.4
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking puruspe v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling pyo3-build-config v0.21.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]    Compiling pyo3-ffi v0.21.1
[INFO] [stderr]    Compiling pyo3 v0.21.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.1
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stderr]    Compiling pyo3-macros v0.21.1
[INFO] [stderr]     Checking peroxide v0.35.1
[INFO] [stderr]     Checking rugfield v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.74s
[INFO] running `Command { std: "docker" "inspect" "31fdf74a1ef3db8ec548212f1430198c82c9f468264e70b76752676398cc4e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fdf74a1ef3db8ec548212f1430198c82c9f468264e70b76752676398cc4e64", kill_on_drop: false }`
[INFO] [stdout] 31fdf74a1ef3db8ec548212f1430198c82c9f468264e70b76752676398cc4e64