[INFO] fetching crate refbox 0.3.0... [INFO] checking refbox-0.3.0 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422 [INFO] extracting crate refbox 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate refbox 0.3.0 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate refbox 0.3.0 [INFO] finished tweaking crates.io crate refbox 0.3.0 [INFO] tweaked toml for crates.io crate refbox 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 71 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1354a0b63a28b2e2c6d72544d84e813fa31de449b8f10e2592a2bc247811da3f [INFO] running `Command { std: "docker" "start" "-a" "1354a0b63a28b2e2c6d72544d84e813fa31de449b8f10e2592a2bc247811da3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1354a0b63a28b2e2c6d72544d84e813fa31de449b8f10e2592a2bc247811da3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1354a0b63a28b2e2c6d72544d84e813fa31de449b8f10e2592a2bc247811da3f", kill_on_drop: false }` [INFO] [stdout] 1354a0b63a28b2e2c6d72544d84e813fa31de449b8f10e2592a2bc247811da3f [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31171a869c11b31f734bf2aa5fe171f2bbeb2ef4c84584597479558a1547792b [INFO] running `Command { std: "docker" "start" "-a" "31171a869c11b31f734bf2aa5fe171f2bbeb2ef4c84584597479558a1547792b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking refbox v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lib.rs:401:9 [INFO] [stdout] | [INFO] [stdout] 401 | self.ptr.as_ptr() == other.ptr.as_ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 401 | std::ptr::addr_eq(self.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 401 | std::ptr::eq(self.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lib.rs:501:9 [INFO] [stdout] | [INFO] [stdout] 501 | self.ptr.as_ptr() == owner.ptr.as_ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 501 | std::ptr::addr_eq(self.ptr.as_ptr(), owner.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 501 | std::ptr::eq(self.ptr.as_ptr(), owner.ptr.as_ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lib.rs:401:9 [INFO] [stdout] | [INFO] [stdout] 401 | self.ptr.as_ptr() == other.ptr.as_ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 401 | std::ptr::addr_eq(self.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 401 | std::ptr::eq(self.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lib.rs:501:9 [INFO] [stdout] | [INFO] [stdout] 501 | self.ptr.as_ptr() == owner.ptr.as_ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 501 | std::ptr::addr_eq(self.ptr.as_ptr(), owner.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 501 | std::ptr::eq(self.ptr.as_ptr(), owner.ptr.as_ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:1024:9 [INFO] [stdout] | [INFO] [stdout] 1024 | drop(mut_ref); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1024 - drop(mut_ref); [INFO] [stdout] 1024 + let _ = mut_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.55s [INFO] running `Command { std: "docker" "inspect" "31171a869c11b31f734bf2aa5fe171f2bbeb2ef4c84584597479558a1547792b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31171a869c11b31f734bf2aa5fe171f2bbeb2ef4c84584597479558a1547792b", kill_on_drop: false }` [INFO] [stdout] 31171a869c11b31f734bf2aa5fe171f2bbeb2ef4c84584597479558a1547792b