[INFO] fetching crate oqo 0.1.0...
[INFO] checking oqo-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate oqo 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate oqo 0.1.0 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 crates.io crate oqo 0.1.0
[INFO] finished tweaking crates.io crate oqo 0.1.0
[INFO] tweaked toml for crates.io crate oqo 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4b969c34a9b9184f5225ab58fa22107e0748f4f66d0fa64a31581fa8efd0c63d
[INFO] running `Command { std: "docker" "start" "-a" "4b969c34a9b9184f5225ab58fa22107e0748f4f66d0fa64a31581fa8efd0c63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b969c34a9b9184f5225ab58fa22107e0748f4f66d0fa64a31581fa8efd0c63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b969c34a9b9184f5225ab58fa22107e0748f4f66d0fa64a31581fa8efd0c63d", kill_on_drop: false }`
[INFO] [stdout] 4b969c34a9b9184f5225ab58fa22107e0748f4f66d0fa64a31581fa8efd0c63d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 086f015dd698ff0423ee0039c807290437bd65d06e1ac116e0cc49060786eeaf
[INFO] running `Command { std: "docker" "start" "-a" "086f015dd698ff0423ee0039c807290437bd65d06e1ac116e0cc49060786eeaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]     Checking oqo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "086f015dd698ff0423ee0039c807290437bd65d06e1ac116e0cc49060786eeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086f015dd698ff0423ee0039c807290437bd65d06e1ac116e0cc49060786eeaf", kill_on_drop: false }`
[INFO] [stdout] 086f015dd698ff0423ee0039c807290437bd65d06e1ac116e0cc49060786eeaf
[INFO] checking oqo-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate oqo 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate oqo 0.1.0 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 crates.io crate oqo 0.1.0
[INFO] finished tweaking crates.io crate oqo 0.1.0
[INFO] tweaked toml for crates.io crate oqo 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 22b796fb04e9f9b59b7e023f558b598121bb0372af98cf21db46559c19a4a8e5
[INFO] running `Command { std: "docker" "start" "-a" "22b796fb04e9f9b59b7e023f558b598121bb0372af98cf21db46559c19a4a8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b796fb04e9f9b59b7e023f558b598121bb0372af98cf21db46559c19a4a8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b796fb04e9f9b59b7e023f558b598121bb0372af98cf21db46559c19a4a8e5", kill_on_drop: false }`
[INFO] [stdout] 22b796fb04e9f9b59b7e023f558b598121bb0372af98cf21db46559c19a4a8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 267bbc647b5abd27ab586b7805d2317434900188be8f518e8a9b5fcd5477a658
[INFO] running `Command { std: "docker" "start" "-a" "267bbc647b5abd27ab586b7805d2317434900188be8f518e8a9b5fcd5477a658", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]     Checking oqo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "267bbc647b5abd27ab586b7805d2317434900188be8f518e8a9b5fcd5477a658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267bbc647b5abd27ab586b7805d2317434900188be8f518e8a9b5fcd5477a658", kill_on_drop: false }`
[INFO] [stdout] 267bbc647b5abd27ab586b7805d2317434900188be8f518e8a9b5fcd5477a658