[INFO] cloning repository https://github.com/MnO2/zw-fast-quantile-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MnO2/zw-fast-quantile-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fzw-fast-quantile-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fzw-fast-quantile-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e845031b37d7e076721b92de8ff36cdaa088296
[INFO] checking MnO2/zw-fast-quantile-py against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fzw-fast-quantile-py" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MnO2/zw-fast-quantile-py on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MnO2/zw-fast-quantile-py
[INFO] finished tweaking git repo https://github.com/MnO2/zw-fast-quantile-py
[INFO] tweaked toml for git repo https://github.com/MnO2/zw-fast-quantile-py written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MnO2/zw-fast-quantile-py 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.15.1
[INFO] [stderr]   Downloaded zw-fast-quantile v0.2.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.15.1
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.15.1
[INFO] [stderr]   Downloaded quote v1.0.13
[INFO] [stderr]   Downloaded pyo3 v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66c18e40d054b46197665182a377e8d0f704205cb579fa2ba800bc7b7f478c20
[INFO] running `Command { std: "docker" "start" "-a" "66c18e40d054b46197665182a377e8d0f704205cb579fa2ba800bc7b7f478c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c18e40d054b46197665182a377e8d0f704205cb579fa2ba800bc7b7f478c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c18e40d054b46197665182a377e8d0f704205cb579fa2ba800bc7b7f478c20", kill_on_drop: false }`
[INFO] [stdout] 66c18e40d054b46197665182a377e8d0f704205cb579fa2ba800bc7b7f478c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d95358e7472110ee1b9cb24371997be56795e7acc60d295041aee2a8bc3a95
[INFO] running `Command { std: "docker" "start" "-a" "91d95358e7472110ee1b9cb24371997be56795e7acc60d295041aee2a8bc3a95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling pyo3-build-config v0.15.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking zw-fast-quantile v0.2.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]    Compiling pyo3 v0.15.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.1
[INFO] [stderr]     Checking zw-fast-quantile-py v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "91d95358e7472110ee1b9cb24371997be56795e7acc60d295041aee2a8bc3a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d95358e7472110ee1b9cb24371997be56795e7acc60d295041aee2a8bc3a95", kill_on_drop: false }`
[INFO] [stdout] 91d95358e7472110ee1b9cb24371997be56795e7acc60d295041aee2a8bc3a95
[INFO] checking MnO2/zw-fast-quantile-py against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fzw-fast-quantile-py" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MnO2/zw-fast-quantile-py on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MnO2/zw-fast-quantile-py
[INFO] finished tweaking git repo https://github.com/MnO2/zw-fast-quantile-py
[INFO] tweaked toml for git repo https://github.com/MnO2/zw-fast-quantile-py written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MnO2/zw-fast-quantile-py 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fb2a16c690aa033723b6a3758ef2d11af5bc35e410fc2db3630530ec4632afd
[INFO] running `Command { std: "docker" "start" "-a" "6fb2a16c690aa033723b6a3758ef2d11af5bc35e410fc2db3630530ec4632afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb2a16c690aa033723b6a3758ef2d11af5bc35e410fc2db3630530ec4632afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb2a16c690aa033723b6a3758ef2d11af5bc35e410fc2db3630530ec4632afd", kill_on_drop: false }`
[INFO] [stdout] 6fb2a16c690aa033723b6a3758ef2d11af5bc35e410fc2db3630530ec4632afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f6865e3daf42b37ee13154875806259971d945791facee1a4ef029f3715ff7
[INFO] running `Command { std: "docker" "start" "-a" "d4f6865e3daf42b37ee13154875806259971d945791facee1a4ef029f3715ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pyo3-build-config v0.15.1
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking zw-fast-quantile v0.2.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]    Compiling pyo3 v0.15.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pyo3-0.15.1/src/ffi/object.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d4f6865e3daf42b37ee13154875806259971d945791facee1a4ef029f3715ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f6865e3daf42b37ee13154875806259971d945791facee1a4ef029f3715ff7", kill_on_drop: false }`
[INFO] [stdout] d4f6865e3daf42b37ee13154875806259971d945791facee1a4ef029f3715ff7