[INFO] fetching crate gcmodule 0.3.3... [INFO] testing gcmodule-0.3.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate gcmodule 0.3.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate gcmodule 0.3.3 [INFO] finished tweaking crates.io crate gcmodule 0.3.3 [INFO] tweaked toml for crates.io crate gcmodule 0.3.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gcmodule 0.3.3 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 30 packages to latest compatible versions [INFO] [stderr] Adding parking_lot v0.10.2 (available: v0.12.4) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3cfe29862bd97a41fb3933d63594d642965a772f0d8d7ae19bd7757c1d42fbd [INFO] running `Command { std: "docker" "start" "-a" "a3cfe29862bd97a41fb3933d63594d642965a772f0d8d7ae19bd7757c1d42fbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3cfe29862bd97a41fb3933d63594d642965a772f0d8d7ae19bd7757c1d42fbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3cfe29862bd97a41fb3933d63594d642965a772f0d8d7ae19bd7757c1d42fbd", kill_on_drop: false }` [INFO] [stdout] a3cfe29862bd97a41fb3933d63594d642965a772f0d8d7ae19bd7757c1d42fbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e812dfba5c7e30ef68e73bbb89818f99352af6ad1fafd4bba1c1d58c5369f2a [INFO] running `Command { std: "docker" "start" "-a" "4e812dfba5c7e30ef68e73bbb89818f99352af6ad1fafd4bba1c1d58c5369f2a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.7.3 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling gcmodule_derive v0.3.3 [INFO] [stderr] Compiling gcmodule v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type [INFO] [stdout] --> src/collect.rs:93:29 [INFO] [stdout] | [INFO] [stdout] 93 | header.prev.set(prev.deref()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [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/collect.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 391 | drop(list); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&L` [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] 391 - drop(list); [INFO] [stdout] 391 + let _ = list; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type [INFO] [stdout] --> src/sync/collect.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | header.prev.set(prev.deref()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.87s [INFO] running `Command { std: "docker" "inspect" "4e812dfba5c7e30ef68e73bbb89818f99352af6ad1fafd4bba1c1d58c5369f2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e812dfba5c7e30ef68e73bbb89818f99352af6ad1fafd4bba1c1d58c5369f2a", kill_on_drop: false }` [INFO] [stdout] 4e812dfba5c7e30ef68e73bbb89818f99352af6ad1fafd4bba1c1d58c5369f2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd1775e259b16701e25304bea8c68df5ab9c72316134996999688dfc4cf07ce7 [INFO] running `Command { std: "docker" "start" "-a" "bd1775e259b16701e25304bea8c68df5ab9c72316134996999688dfc4cf07ce7", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type [INFO] [stdout] --> src/collect.rs:93:29 [INFO] [stdout] | [INFO] [stdout] 93 | header.prev.set(prev.deref()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [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/collect.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 391 | drop(list); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&L` [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] 391 - drop(list); [INFO] [stdout] 391 + let _ = list; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type [INFO] [stdout] --> src/sync/collect.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | header.prev.set(prev.deref()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stderr] Compiling gcmodule v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type [INFO] [stdout] --> src/collect.rs:93:29 [INFO] [stdout] | [INFO] [stdout] 93 | header.prev.set(prev.deref()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [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/collect.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 391 | drop(list); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&L` [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] 391 - drop(list); [INFO] [stdout] 391 + let _ = list; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type [INFO] [stdout] --> src/sync/collect.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | header.prev.set(prev.deref()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.03s [INFO] running `Command { std: "docker" "inspect" "bd1775e259b16701e25304bea8c68df5ab9c72316134996999688dfc4cf07ce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd1775e259b16701e25304bea8c68df5ab9c72316134996999688dfc4cf07ce7", kill_on_drop: false }` [INFO] [stdout] bd1775e259b16701e25304bea8c68df5ab9c72316134996999688dfc4cf07ce7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4554c015787e353336a4506e656ce48c2075043646f1566b5f588987d4d7d101 [INFO] running `Command { std: "docker" "start" "-a" "4554c015787e353336a4506e656ce48c2075043646f1566b5f588987d4d7d101", kill_on_drop: false }` [INFO] [stderr] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type [INFO] [stderr] --> src/collect.rs:93:29 [INFO] [stderr] | [INFO] [stderr] 93 | header.prev.set(prev.deref()); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/collect.rs:391:5 [INFO] [stderr] | [INFO] [stderr] 391 | drop(list); [INFO] [stderr] | ^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&L` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 391 - drop(list); [INFO] [stderr] 391 + let _ = list; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type [INFO] [stderr] --> src/sync/collect.rs:62:29 [INFO] [stderr] | [INFO] [stderr] 62 | header.prev.set(prev.deref()); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `gcmodule` (lib) generated 3 warnings [INFO] [stderr] warning: `gcmodule` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gcmodule-1a8e5ac32e4c49f0) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test sync::tests::test_2_thread_cycle ... ok [INFO] [stdout] test cc::tests::test_gc_header_value ... ok [INFO] [stdout] test tests::test_2_object_cycle_with_another_incoming_reference ... ok [INFO] [stdout] test tests::test_2_object_cycle_with_another_outgoing_reference ... ok [INFO] [stdout] test tests::test_3_object_cycle ... ok [INFO] [stdout] test tests::test_drop_by_ref_count ... ok [INFO] [stdout] test tests::test_collect_multi_times ... ok [INFO] [stdout] test tests::test_self_referential ... ok [INFO] [stdout] test tests::test_simple_cycles ... ok [INFO] [stdout] test tests::test_simple_mixed_graph ... ok [INFO] [stdout] test tests::test_simple_tracked ... ok [INFO] [stdout] test tests::test_simple_untracked ... ok [INFO] [stdout] test tests::test_quickcheck_16_vertex_graph ... ok [INFO] [stdout] test tests::test_update_with ... ok [INFO] [stdout] test tests::test_simple_non_trait_cycles ... ok [INFO] [stdout] test trace_impls::tests::test_is_cyclic_type_tracked ... ok [INFO] [stdout] test trace_impls::tests::test_is_type_tracked ... ok [INFO] [stdout] test sync::tests::test_racy_threads_mixed_collects ... ok [INFO] [stdout] test sync::tests::test_17_thread_cycle ... ok [INFO] [stdout] test sync::tests::test_racy_threads_drops ... ok [INFO] [stdout] test tests::test_trace_impl_double_visits ... ok [INFO] [stdout] test sync::tests::test_100_thread_cycle ... ok [INFO] [stdout] test sync::tests::test_racy_threads_collects ... ok [INFO] [stderr] Doc-tests gcmodule [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/cc.rs - cc::Cc (line 68) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/sync/collect.rs - sync::collect::ThreadedObjectSpace::create (line 167) - compile fail ... ok [INFO] [stdout] test src/collect.rs - collect::ObjectSpace (line 40) ... ok [INFO] [stdout] test src/lib.rs - (line 137) ... ok [INFO] [stdout] test src/trace_impls.rs - trace_impls::trace_acyclic (line 11) ... FAILED [INFO] [stdout] test src/lib.rs - Trace (line 270) ... ok [INFO] [stdout] test src/lib.rs - (line 93) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/lib.rs - (line 119) ... ok [INFO] [stdout] test src/trace_impls.rs - trace_impls::trace_fields (line 38) ... FAILED [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/trace_impls.rs - trace_impls::trace_acyclic (line 11) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `gcmodule::trace_acyclic` [INFO] [stdout] --> src/trace_impls.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 5 | use gcmodule::trace_acyclic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ no `trace_acyclic` in the root [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/trace_impls.rs - trace_impls::trace_fields (line 38) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `gcmodule::trace_fields` [INFO] [stdout] --> src/trace_impls.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 6 | use gcmodule::trace_fields; [INFO] [stdout] | ^^^^^^^^^^------------ [INFO] [stdout] | | | [INFO] [stdout] | | help: a similar name exists in the module: `trace_impls` [INFO] [stdout] | no `trace_fields` in the root [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/trace_impls.rs - trace_impls::trace_acyclic (line 11) [INFO] [stdout] src/trace_impls.rs - trace_impls::trace_fields (line 38) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 10 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "4554c015787e353336a4506e656ce48c2075043646f1566b5f588987d4d7d101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4554c015787e353336a4506e656ce48c2075043646f1566b5f588987d4d7d101", kill_on_drop: false }` [INFO] [stdout] 4554c015787e353336a4506e656ce48c2075043646f1566b5f588987d4d7d101