[INFO] fetching crate interval-map 0.1.1...
[INFO] testing interval-map-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate interval-map 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate interval-map 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate interval-map 0.1.1
[INFO] finished tweaking crates.io crate interval-map 0.1.1
[INFO] tweaked toml for crates.io crate interval-map 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d3d88c669c157a1f6da436190284cdac9c9e6456a54ed52cba45bb681b3da9
[INFO] running `Command { std: "docker" "start" "-a" "d8d3d88c669c157a1f6da436190284cdac9c9e6456a54ed52cba45bb681b3da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d3d88c669c157a1f6da436190284cdac9c9e6456a54ed52cba45bb681b3da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d3d88c669c157a1f6da436190284cdac9c9e6456a54ed52cba45bb681b3da9", kill_on_drop: false }`
[INFO] [stdout] d8d3d88c669c157a1f6da436190284cdac9c9e6456a54ed52cba45bb681b3da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44f84227df6879a006417847f2771e8716e0236652c50252731a1ed67eaee17
[INFO] running `Command { std: "docker" "start" "-a" "f44f84227df6879a006417847f2771e8716e0236652c50252731a1ed67eaee17", kill_on_drop: false }`
[INFO] [stderr]    Compiling interval-map v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementations of `PartialEq<Interval<_>>` for `Interval<_>` will conflict in the future
[INFO] [stdout]   --> src/interval_map.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Copy, Clone, Eq, PartialEq, Debug, Hash)]
[INFO] [stdout]    |                             --------- the second impl is here
[INFO] [stdout] ...
[INFO] [stdout] 88 | / impl<T, Q> PartialEq<Q> for Interval<T>
[INFO] [stdout] 89 | | where
[INFO] [stdout] 90 | |     T: Borrow<Q>,
[INFO] [stdout] 91 | |     Q: ?Sized + PartialOrd,
[INFO] [stdout]    | |___________________________^ the first impl is here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #114040 <https://github.com/rust-lang/rust/issues/114040>
[INFO] [stdout]    = note: impls that are not considered to overlap may be considered to overlap in the future
[INFO] [stdout]    = note: `Interval<_>: PartialOrd` may be considered to hold in future releases, causing the impls to overlap
[INFO] [stdout]    = note: `#[warn(coinductive_overlap_in_coherence)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interval-map` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f44f84227df6879a006417847f2771e8716e0236652c50252731a1ed67eaee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44f84227df6879a006417847f2771e8716e0236652c50252731a1ed67eaee17", kill_on_drop: false }`
[INFO] [stdout] f44f84227df6879a006417847f2771e8716e0236652c50252731a1ed67eaee17
