[INFO] cloning repository https://github.com/ssoudan/bayesian-regression-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssoudan/bayesian-regression-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssoudan%2Fbayesian-regression-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssoudan%2Fbayesian-regression-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce2ffb7757b7de84aae980fc4daa1f91a7147c23
[INFO] checking ssoudan/bayesian-regression-101 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssoudan%2Fbayesian-regression-101" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssoudan/bayesian-regression-101 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ssoudan/bayesian-regression-101
[INFO] finished tweaking git repo https://github.com/ssoudan/bayesian-regression-101
[INFO] tweaked toml for git repo https://github.com/ssoudan/bayesian-regression-101 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ssoudan/bayesian-regression-101 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 nuts-rs v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4cf2126bf733b1d0b79ceb3a163e11b8016fa6fe29b5cb5ca962801eb8d67430
[INFO] running `Command { std: "docker" "start" "-a" "4cf2126bf733b1d0b79ceb3a163e11b8016fa6fe29b5cb5ca962801eb8d67430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cf2126bf733b1d0b79ceb3a163e11b8016fa6fe29b5cb5ca962801eb8d67430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf2126bf733b1d0b79ceb3a163e11b8016fa6fe29b5cb5ca962801eb8d67430", kill_on_drop: false }`
[INFO] [stdout] 4cf2126bf733b1d0b79ceb3a163e11b8016fa6fe29b5cb5ca962801eb8d67430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9c09bf793b33616b917310c9e5a08e29d146c838e5d6f3f54842bad9019b62e
[INFO] running `Command { std: "docker" "start" "-a" "d9c09bf793b33616b917310c9e5a08e29d146c838e5d6f3f54842bad9019b62e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.10
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling arrow2 v0.17.4
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]     Checking multiversion v0.7.3
[INFO] [stderr]     Checking nuts-rs v0.8.0
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking bayesian-regression-101-core v0.1.0 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]     Checking regression v0.1.0 (/opt/rustwide/workdir/crates/regression)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.95s
[INFO] running `Command { std: "docker" "inspect" "d9c09bf793b33616b917310c9e5a08e29d146c838e5d6f3f54842bad9019b62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c09bf793b33616b917310c9e5a08e29d146c838e5d6f3f54842bad9019b62e", kill_on_drop: false }`
[INFO] [stdout] d9c09bf793b33616b917310c9e5a08e29d146c838e5d6f3f54842bad9019b62e
[INFO] checking ssoudan/bayesian-regression-101 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssoudan%2Fbayesian-regression-101" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssoudan/bayesian-regression-101 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] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ssoudan/bayesian-regression-101
[INFO] finished tweaking git repo https://github.com/ssoudan/bayesian-regression-101
[INFO] tweaked toml for git repo https://github.com/ssoudan/bayesian-regression-101 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ssoudan/bayesian-regression-101 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e755692f4be729ee16931c4d48c4bd5756204affe418d29db6d253faccd1173a
[INFO] running `Command { std: "docker" "start" "-a" "e755692f4be729ee16931c4d48c4bd5756204affe418d29db6d253faccd1173a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e755692f4be729ee16931c4d48c4bd5756204affe418d29db6d253faccd1173a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e755692f4be729ee16931c4d48c4bd5756204affe418d29db6d253faccd1173a", kill_on_drop: false }`
[INFO] [stdout] e755692f4be729ee16931c4d48c4bd5756204affe418d29db6d253faccd1173a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0fe554e513c08cb81980b5a2c0d122dbc800c55140c4a97c16587f4a5381de74
[INFO] running `Command { std: "docker" "start" "-a" "0fe554e513c08cb81980b5a2c0d122dbc800c55140c4a97c16587f4a5381de74", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.10
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling arrow2 v0.17.4
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]     Checking multiversion v0.7.3
[INFO] [stderr]     Checking nuts-rs v0.8.0
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking bayesian-regression-101-core v0.1.0 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]     Checking regression v0.1.0 (/opt/rustwide/workdir/crates/regression)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.24s
[INFO] running `Command { std: "docker" "inspect" "0fe554e513c08cb81980b5a2c0d122dbc800c55140c4a97c16587f4a5381de74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe554e513c08cb81980b5a2c0d122dbc800c55140c4a97c16587f4a5381de74", kill_on_drop: false }`
[INFO] [stdout] 0fe554e513c08cb81980b5a2c0d122dbc800c55140c4a97c16587f4a5381de74