[INFO] fetching crate uninhabited 0.1.0...
[INFO] checking uninhabited-0.1.0 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] extracting crate uninhabited 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate uninhabited 0.1.0
[INFO] finished tweaking crates.io crate uninhabited 0.1.0
[INFO] tweaked toml for crates.io crate uninhabited 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uninhabited 0.1.0 on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca8c7f389b7bfd7828f49145f839113396c0cad84c0073d14aa7ece3ddafcee7
[INFO] running `Command { std: "docker" "start" "-a" "ca8c7f389b7bfd7828f49145f839113396c0cad84c0073d14aa7ece3ddafcee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8c7f389b7bfd7828f49145f839113396c0cad84c0073d14aa7ece3ddafcee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8c7f389b7bfd7828f49145f839113396c0cad84c0073d14aa7ece3ddafcee7", kill_on_drop: false }`
[INFO] [stdout] ca8c7f389b7bfd7828f49145f839113396c0cad84c0073d14aa7ece3ddafcee7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ada9cdef03263b1c66e3dd7172214b235677c7d1a4106e300c4f94cab986167b
[INFO] running `Command { std: "docker" "start" "-a" "ada9cdef03263b1c66e3dd7172214b235677c7d1a4106e300c4f94cab986167b", kill_on_drop: false }`
[INFO] [stderr]     Checking uninhabited v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `never_type` has been stable since 1.96.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(never_type))]
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Uninhabited` for type `!`
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | unsafe impl Uninhabited for ! {}
[INFO] [stdout]    | ----------------------------- first implementation here
[INFO] [stdout] 29 |
[INFO] [stdout] 30 | unsafe impl Uninhabited for core::convert::Infallible {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uninhabited` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the feature `never_type` has been stable since 1.96.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(never_type))]
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Uninhabited` for type `!`
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | unsafe impl Uninhabited for ! {}
[INFO] [stdout]    | ----------------------------- first implementation here
[INFO] [stdout] 29 |
[INFO] [stdout] 30 | unsafe impl Uninhabited for core::convert::Infallible {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uninhabited` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ada9cdef03263b1c66e3dd7172214b235677c7d1a4106e300c4f94cab986167b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada9cdef03263b1c66e3dd7172214b235677c7d1a4106e300c4f94cab986167b", kill_on_drop: false }`
[INFO] [stdout] ada9cdef03263b1c66e3dd7172214b235677c7d1a4106e300c4f94cab986167b