[INFO] fetching crate pgc 0.3.0... [INFO] checking pgc-0.3.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate pgc 0.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate pgc 0.3.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pgc 0.3.0 [INFO] finished tweaking crates.io crate pgc 0.3.0 [INFO] tweaked toml for crates.io crate pgc 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate pgc 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cmake v0.1.42 [INFO] [stderr] Downloaded threadpool v1.7.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded arrayvec v0.4.11 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded mimalloc v0.1.9 [INFO] [stderr] Downloaded libmimalloc-sys v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 586915bb43b48958e01901df539f88f07251961c8a2491b3e8eca686e4c91ba4 [INFO] running `Command { std: "docker" "start" "-a" "586915bb43b48958e01901df539f88f07251961c8a2491b3e8eca686e4c91ba4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "586915bb43b48958e01901df539f88f07251961c8a2491b3e8eca686e4c91ba4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "586915bb43b48958e01901df539f88f07251961c8a2491b3e8eca686e4c91ba4", kill_on_drop: false }` [INFO] [stdout] 586915bb43b48958e01901df539f88f07251961c8a2491b3e8eca686e4c91ba4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7642f013c22535f2b57100e038dcf26d16b6ea6500204d219fefe955afd03cc4 [INFO] running `Command { std: "docker" "start" "-a" "7642f013c22535f2b57100e038dcf26d16b6ea6500204d219fefe955afd03cc4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.6 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking mimalloc v0.1.9 [INFO] [stderr] Checking pgc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:800:22 [INFO] [stdout] | [INFO] [stdout] 800 | .compare_and_swap(nworkers, nworkers + 1, Ordering::SeqCst); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:800:22 [INFO] [stdout] | [INFO] [stdout] 800 | .compare_and_swap(nworkers, nworkers + 1, Ordering::SeqCst); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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:278:16 [INFO] [stdout] | [INFO] [stdout] 278 | if root.ptr == val.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] 278 | if std::ptr::addr_eq(root.ptr, val.ptr) { [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 278 | if std::ptr::eq(root.ptr, val.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:289:16 [INFO] [stdout] | [INFO] [stdout] 289 | if roots[i].ptr == val.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] 289 | if std::ptr::addr_eq(roots[i].ptr, val.ptr) { [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 289 | if std::ptr::eq(roots[i].ptr, val.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:300:16 [INFO] [stdout] | [INFO] [stdout] 300 | if gc.roots.read()[i].ptr == val.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] 300 | if std::ptr::addr_eq(gc.roots.read()[i].ptr, val.ptr) { [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 300 | if std::ptr::eq(gc.roots.read()[i].ptr, val.ptr) { [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tests.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | Node(i32, Gc), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | Node((), Gc), [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:278:16 [INFO] [stdout] | [INFO] [stdout] 278 | if root.ptr == val.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] 278 | if std::ptr::addr_eq(root.ptr, val.ptr) { [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 278 | if std::ptr::eq(root.ptr, val.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:289:16 [INFO] [stdout] | [INFO] [stdout] 289 | if roots[i].ptr == val.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] 289 | if std::ptr::addr_eq(roots[i].ptr, val.ptr) { [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 289 | if std::ptr::eq(roots[i].ptr, val.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:300:16 [INFO] [stdout] | [INFO] [stdout] 300 | if gc.roots.read()[i].ptr == val.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] 300 | if std::ptr::addr_eq(gc.roots.read()[i].ptr, val.ptr) { [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 300 | if std::ptr::eq(gc.roots.read()[i].ptr, val.ptr) { [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s [INFO] running `Command { std: "docker" "inspect" "7642f013c22535f2b57100e038dcf26d16b6ea6500204d219fefe955afd03cc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7642f013c22535f2b57100e038dcf26d16b6ea6500204d219fefe955afd03cc4", kill_on_drop: false }` [INFO] [stdout] 7642f013c22535f2b57100e038dcf26d16b6ea6500204d219fefe955afd03cc4