[INFO] fetching crate observe 1.2.0... [INFO] checking observe-1.2.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543 [INFO] extracting crate observe 1.2.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate observe 1.2.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate observe 1.2.0 [INFO] finished tweaking crates.io crate observe 1.2.0 [INFO] tweaked toml for crates.io crate observe 1.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding mockall v0.11.4 (latest: v0.13.0) [INFO] [stderr] Adding mockall_derive v0.11.4 (latest: v0.13.0) [INFO] [stderr] Adding predicates v2.1.5 (latest: v3.1.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding termtree v0.4.1 (latest: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mockall_derive v0.11.4 [INFO] [stderr] Downloaded predicates v2.1.5 [INFO] [stderr] Downloaded mockall v0.11.4 [INFO] [stderr] Downloaded enclose v1.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 983abfa20b53cfcfc7c52a710e7382cf327850c5f2b201dfb4ebd01893ec3fda [INFO] running `Command { std: "docker" "start" "-a" "983abfa20b53cfcfc7c52a710e7382cf327850c5f2b201dfb4ebd01893ec3fda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "983abfa20b53cfcfc7c52a710e7382cf327850c5f2b201dfb4ebd01893ec3fda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "983abfa20b53cfcfc7c52a710e7382cf327850c5f2b201dfb4ebd01893ec3fda", kill_on_drop: false }` [INFO] [stdout] 983abfa20b53cfcfc7c52a710e7382cf327850c5f2b201dfb4ebd01893ec3fda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16384840a00393c7a24461298bb4bcd4a42dd9cee7cd4f485b9d27995af16cf4 [INFO] running `Command { std: "docker" "start" "-a" "16384840a00393c7a24461298bb4bcd4a42dd9cee7cd4f485b9d27995af16cf4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking predicates-core v1.0.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking enclose v1.2.0 [INFO] [stderr] Checking predicates-tree v1.0.11 [INFO] [stderr] Checking fragile v2.0.0 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking predicates v2.1.5 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling mockall_derive v0.11.4 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking observe v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/addr.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 24 | Rc::as_ptr(&self.ptr).eq(&Rc::as_ptr(&other.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] 24 | std::ptr::addr_eq(Rc::as_ptr(&self.ptr), Rc::as_ptr(&other.ptr)) [INFO] [stdout] | ++++++++++++++++++ ~ [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 24 | std::ptr::eq(Rc::as_ptr(&self.ptr), Rc::as_ptr(&other.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/addr.rs:32:3 [INFO] [stdout] | [INFO] [stdout] 32 | Rc::as_ptr(&self.ptr).cmp(&Rc::as_ptr(&other.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] 32 | Rc::as_ptr(&self.ptr).cast::<()>().cmp(&Rc::as_ptr(&other.ptr).cast::<()>()) [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/addr.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | Some(Rc::as_ptr(&self.ptr).cmp(&Rc::as_ptr(&other.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] 38 | Some(Rc::as_ptr(&self.ptr).cast::<()>().cmp(&Rc::as_ptr(&other.ptr).cast::<()>())) [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/addr.rs:61:3 [INFO] [stdout] | [INFO] [stdout] 61 | Weak::as_ptr(&self.ptr).eq(&Weak::as_ptr(&other.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] 61 | std::ptr::addr_eq(Weak::as_ptr(&self.ptr), Weak::as_ptr(&other.ptr)) [INFO] [stdout] | ++++++++++++++++++ ~ [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 61 | std::ptr::eq(Weak::as_ptr(&self.ptr), Weak::as_ptr(&other.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/addr.rs:69:3 [INFO] [stdout] | [INFO] [stdout] 69 | Weak::as_ptr(&self.ptr).cmp(&Weak::as_ptr(&other.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] 69 | Weak::as_ptr(&self.ptr).cast::<()>().cmp(&Weak::as_ptr(&other.ptr).cast::<()>()) [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/addr.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | Some(Weak::as_ptr(&self.ptr).cmp(&Weak::as_ptr(&other.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] 75 | Some(Weak::as_ptr(&self.ptr).cast::<()>().cmp(&Weak::as_ptr(&other.ptr).cast::<()>())) [INFO] [stdout] | +++++++++++++ +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mockall v0.11.4 [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/addr.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 24 | Rc::as_ptr(&self.ptr).eq(&Rc::as_ptr(&other.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] 24 | std::ptr::addr_eq(Rc::as_ptr(&self.ptr), Rc::as_ptr(&other.ptr)) [INFO] [stdout] | ++++++++++++++++++ ~ [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 24 | std::ptr::eq(Rc::as_ptr(&self.ptr), Rc::as_ptr(&other.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/addr.rs:32:3 [INFO] [stdout] | [INFO] [stdout] 32 | Rc::as_ptr(&self.ptr).cmp(&Rc::as_ptr(&other.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] 32 | Rc::as_ptr(&self.ptr).cast::<()>().cmp(&Rc::as_ptr(&other.ptr).cast::<()>()) [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/addr.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | Some(Rc::as_ptr(&self.ptr).cmp(&Rc::as_ptr(&other.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] 38 | Some(Rc::as_ptr(&self.ptr).cast::<()>().cmp(&Rc::as_ptr(&other.ptr).cast::<()>())) [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/addr.rs:61:3 [INFO] [stdout] | [INFO] [stdout] 61 | Weak::as_ptr(&self.ptr).eq(&Weak::as_ptr(&other.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] 61 | std::ptr::addr_eq(Weak::as_ptr(&self.ptr), Weak::as_ptr(&other.ptr)) [INFO] [stdout] | ++++++++++++++++++ ~ [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 61 | std::ptr::eq(Weak::as_ptr(&self.ptr), Weak::as_ptr(&other.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/addr.rs:69:3 [INFO] [stdout] | [INFO] [stdout] 69 | Weak::as_ptr(&self.ptr).cmp(&Weak::as_ptr(&other.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] 69 | Weak::as_ptr(&self.ptr).cast::<()>().cmp(&Weak::as_ptr(&other.ptr).cast::<()>()) [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/addr.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | Some(Weak::as_ptr(&self.ptr).cmp(&Weak::as_ptr(&other.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] 75 | Some(Weak::as_ptr(&self.ptr).cast::<()>().cmp(&Weak::as_ptr(&other.ptr).cast::<()>())) [INFO] [stdout] | +++++++++++++ +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.03s [INFO] running `Command { std: "docker" "inspect" "16384840a00393c7a24461298bb4bcd4a42dd9cee7cd4f485b9d27995af16cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16384840a00393c7a24461298bb4bcd4a42dd9cee7cd4f485b9d27995af16cf4", kill_on_drop: false }` [INFO] [stdout] 16384840a00393c7a24461298bb4bcd4a42dd9cee7cd4f485b9d27995af16cf4