[INFO] fetching crate allocative 0.3.4... [INFO] checking allocative-0.3.4 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] extracting crate allocative 0.3.4 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate allocative 0.3.4 [INFO] finished tweaking crates.io crate allocative 0.3.4 [INFO] tweaked toml for crates.io crate allocative 0.3.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate allocative 0.3.4 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 119 packages to latest compatible versions [INFO] [stderr] Adding compact_str v0.8.1 (available: v0.9.0) [INFO] [stderr] Adding ctor v0.1.26 (available: v0.10.0) [INFO] [stderr] Adding dashmap v5.5.3 (available: v6.1.0) [INFO] [stderr] Adding hashbrown v0.14.5 (available: v0.17.0) [INFO] [stderr] Adding inferno v0.11.21 (available: v0.12.6) [INFO] [stderr] Adding parking_lot v0.11.2 (available: v0.12.5) [INFO] [stderr] Adding prost-types v0.11.9 (available: v0.14.3) [INFO] [stderr] Adding relative-path v1.9.3 (available: v2.0.1) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b755e107aab670fc6c660aa0b7b76cb55a8faf9152604fdadda44b3f904eb969 [INFO] running `Command { std: "docker" "start" "-a" "b755e107aab670fc6c660aa0b7b76cb55a8faf9152604fdadda44b3f904eb969", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b755e107aab670fc6c660aa0b7b76cb55a8faf9152604fdadda44b3f904eb969", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b755e107aab670fc6c660aa0b7b76cb55a8faf9152604fdadda44b3f904eb969", kill_on_drop: false }` [INFO] [stdout] b755e107aab670fc6c660aa0b7b76cb55a8faf9152604fdadda44b3f904eb969 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 22778a2528e5c1c617c8815bddb9ea9924fb3bde08c71b6e2adddcc09e9bedfb [INFO] running `Command { std: "docker" "start" "-a" "22778a2528e5c1c617c8815bddb9ea9924fb3bde08c71b6e2adddcc09e9bedfb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling allocative v0.3.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking quick-xml v0.26.0 [INFO] [stderr] Compiling allocative_derive v0.3.3 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking inferno v0.11.21 [INFO] [stderr] Compiling ctor v0.1.26 [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:45:35 [INFO] [stdout] | [INFO] [stdout] 45 | #![cfg_attr(rust_nightly, feature(never_type))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/flamegraph.rs:454:5 [INFO] [stdout] | [INFO] [stdout] 454 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [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] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [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:45:35 [INFO] [stdout] | [INFO] [stdout] 45 | #![cfg_attr(rust_nightly, feature(never_type))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/flamegraph.rs:454:5 [INFO] [stdout] | [INFO] [stdout] 454 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [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] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Allocative` for type `!` [INFO] [stdout] --> src/impls/std/unsorted.rs:213:1 [INFO] [stdout] | [INFO] [stdout] 206 | impl Allocative for Infallible { [INFO] [stdout] | ------------------------------ first implementation here [INFO] [stdout] ... [INFO] [stdout] 213 | impl Allocative for ! { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `!` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Allocative` for type `!` [INFO] [stdout] --> src/impls/std/unsorted.rs:213:1 [INFO] [stdout] | [INFO] [stdout] 206 | impl Allocative for Infallible { [INFO] [stdout] | ------------------------------ first implementation here [INFO] [stdout] ... [INFO] [stdout] 213 | impl Allocative for ! { [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 `allocative` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: could not compile `allocative` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "22778a2528e5c1c617c8815bddb9ea9924fb3bde08c71b6e2adddcc09e9bedfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22778a2528e5c1c617c8815bddb9ea9924fb3bde08c71b6e2adddcc09e9bedfb", kill_on_drop: false }` [INFO] [stdout] 22778a2528e5c1c617c8815bddb9ea9924fb3bde08c71b6e2adddcc09e9bedfb