[INFO] fetching crate mdd-soundcloud 0.1.15...
[INFO] checking mdd-soundcloud-0.1.15 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mdd-soundcloud 0.1.15 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mdd-soundcloud 0.1.15 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 crates.io crate mdd-soundcloud 0.1.15
[INFO] finished tweaking crates.io crate mdd-soundcloud 0.1.15
[INFO] tweaked toml for crates.io crate mdd-soundcloud 0.1.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding ctor v0.1.26 (latest: v0.2.7)
[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 inventory v0.1.11 (latest: v0.3.15)
[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 v0.12.4 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-derive-backend v0.12.4 (latest: v0.12.5)
[INFO] [stderr]       Adding pyo3cls v0.12.4 (latest: v0.12.5)
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdd-lib v0.1.8
[INFO] [stderr]   Downloaded pyo3cls v0.12.4
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.12.4
[INFO] [stderr]   Downloaded pyo3 v0.12.4
[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] e53509c8ee8936d09d37445d8e9b21555f10cd401f7f3a26371768e274d2f16e
[INFO] running `Command { std: "docker" "start" "-a" "e53509c8ee8936d09d37445d8e9b21555f10cd401f7f3a26371768e274d2f16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e53509c8ee8936d09d37445d8e9b21555f10cd401f7f3a26371768e274d2f16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53509c8ee8936d09d37445d8e9b21555f10cd401f7f3a26371768e274d2f16e", kill_on_drop: false }`
[INFO] [stdout] e53509c8ee8936d09d37445d8e9b21555f10cd401f7f3a26371768e274d2f16e
[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] 7273c2dcbb74d1a8cd78b559c4a911ad6a81ed9bc5afdd38ac3aea604d64929d
[INFO] running `Command { std: "docker" "start" "-a" "7273c2dcbb74d1a8cd78b559c4a911ad6a81ed9bc5afdd38ac3aea604d64929d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling pyo3 v0.12.4
[INFO] [stderr]     Checking mdd-lib v0.1.8
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.4
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.4
[INFO] [stderr]     Checking mdd-soundcloud v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PyModule` is imported redundantly
[INFO] [stdout]  --> src/driver/soundcloud.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyModule` is already imported here
[INFO] [stdout] 3 | use pyo3::types::PyModule;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyModule` is imported redundantly
[INFO] [stdout]  --> src/driver/soundcloud.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyModule` is already imported here
[INFO] [stdout] 3 | use pyo3::types::PyModule;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.12.4, pyo3-derive-backend v0.12.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "7273c2dcbb74d1a8cd78b559c4a911ad6a81ed9bc5afdd38ac3aea604d64929d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7273c2dcbb74d1a8cd78b559c4a911ad6a81ed9bc5afdd38ac3aea604d64929d", kill_on_drop: false }`
[INFO] [stdout] 7273c2dcbb74d1a8cd78b559c4a911ad6a81ed9bc5afdd38ac3aea604d64929d
[INFO] checking mdd-soundcloud-0.1.15 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mdd-soundcloud 0.1.15 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mdd-soundcloud 0.1.15 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 crates.io crate mdd-soundcloud 0.1.15
[INFO] finished tweaking crates.io crate mdd-soundcloud 0.1.15
[INFO] tweaked toml for crates.io crate mdd-soundcloud 0.1.15 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] eb1e5cf567ec30366806a1ac7749604228d4ee95ac157d79e3bc84f6e4a14a7e
[INFO] running `Command { std: "docker" "start" "-a" "eb1e5cf567ec30366806a1ac7749604228d4ee95ac157d79e3bc84f6e4a14a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1e5cf567ec30366806a1ac7749604228d4ee95ac157d79e3bc84f6e4a14a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1e5cf567ec30366806a1ac7749604228d4ee95ac157d79e3bc84f6e4a14a7e", kill_on_drop: false }`
[INFO] [stdout] eb1e5cf567ec30366806a1ac7749604228d4ee95ac157d79e3bc84f6e4a14a7e
[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] e0247e87676f0e3d67d507e42239977032e2616e68f459eefae7cb1434d2efb7
[INFO] running `Command { std: "docker" "start" "-a" "e0247e87676f0e3d67d507e42239977032e2616e68f459eefae7cb1434d2efb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling pyo3 v0.12.4
[INFO] [stderr]     Checking mdd-lib v0.1.8
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.4
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pyo3-0.12.4/src/ffi/object.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         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; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e0247e87676f0e3d67d507e42239977032e2616e68f459eefae7cb1434d2efb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0247e87676f0e3d67d507e42239977032e2616e68f459eefae7cb1434d2efb7", kill_on_drop: false }`
[INFO] [stdout] e0247e87676f0e3d67d507e42239977032e2616e68f459eefae7cb1434d2efb7