[INFO] fetching crate gcmodule 0.3.3... [INFO] testing gcmodule-0.3.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate gcmodule 0.3.3 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate gcmodule 0.3.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gcmodule_derive v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fefc768b92cb2162867c6cfbacd06cdacfd1cb240b5b6a2881379d74ab795a7 [INFO] running `Command { std: "docker" "start" "-a" "4fefc768b92cb2162867c6cfbacd06cdacfd1cb240b5b6a2881379d74ab795a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fefc768b92cb2162867c6cfbacd06cdacfd1cb240b5b6a2881379d74ab795a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fefc768b92cb2162867c6cfbacd06cdacfd1cb240b5b6a2881379d74ab795a7", kill_on_drop: false }` [INFO] [stdout] 4fefc768b92cb2162867c6cfbacd06cdacfd1cb240b5b6a2881379d74ab795a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 5af18f31e02db24c288f2258c44d7afe86e5b64b5ef201ad06a79a4063b9c4b4 [INFO] running `Command { std: "docker" "start" "-a" "5af18f31e02db24c288f2258c44d7afe86e5b64b5ef201ad06a79a4063b9c4b4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [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 2.63s [INFO] running `Command { std: "docker" "inspect" "5af18f31e02db24c288f2258c44d7afe86e5b64b5ef201ad06a79a4063b9c4b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5af18f31e02db24c288f2258c44d7afe86e5b64b5ef201ad06a79a4063b9c4b4", kill_on_drop: false }` [INFO] [stdout] 5af18f31e02db24c288f2258c44d7afe86e5b64b5ef201ad06a79a4063b9c4b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 3e25cc4cef2784cee27a45da84ca7bc075e7ce8b35f101a91000317c51e3af38 [INFO] running `Command { std: "docker" "start" "-a" "3e25cc4cef2784cee27a45da84ca7bc075e7ce8b35f101a91000317c51e3af38", 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 4.27s [INFO] running `Command { std: "docker" "inspect" "3e25cc4cef2784cee27a45da84ca7bc075e7ce8b35f101a91000317c51e3af38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e25cc4cef2784cee27a45da84ca7bc075e7ce8b35f101a91000317c51e3af38", kill_on_drop: false }` [INFO] [stdout] 3e25cc4cef2784cee27a45da84ca7bc075e7ce8b35f101a91000317c51e3af38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 21922164ae27d1d7dd5ad024250c48a24d0c7a36e31b80b4391d6d0e1b0e743f [INFO] running `Command { std: "docker" "start" "-a" "21922164ae27d1d7dd5ad024250c48a24d0c7a36e31b80b4391d6d0e1b0e743f", 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 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/gcmodule-cebb1f244778bac0) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test cc::tests::test_gc_header_value ... ok [INFO] [stdout] test sync::tests::test_2_thread_cycle ... ok [INFO] [stdout] test tests::test_2_object_cycle_with_another_outgoing_reference ... ok [INFO] [stdout] test tests::test_2_object_cycle_with_another_incoming_reference ... ok [INFO] [stdout] test tests::test_drop_by_ref_count ... ok [INFO] [stdout] test tests::test_simple_tracked ... ok [INFO] [stdout] test tests::test_collect_multi_times ... ok [INFO] [stdout] test tests::test_simple_untracked ... ok [INFO] [stdout] test tests::test_simple_non_trait_cycles ... ok [INFO] [stdout] test tests::test_simple_cycles ... ok [INFO] [stdout] test tests::test_simple_mixed_graph ... ok [INFO] [stdout] test tests::test_3_object_cycle ... ok [INFO] [stdout] test tests::test_self_referential ... ok [INFO] [stdout] test trace_impls::tests::test_is_type_tracked ... ok [INFO] [stdout] test trace_impls::tests::test_is_cyclic_type_tracked ... ok [INFO] [stdout] test sync::tests::test_17_thread_cycle ... ok [INFO] [stdout] test sync::tests::test_racy_threads_mixed_collects ... ok [INFO] [stdout] test tests::test_update_with ... ok [INFO] [stdout] test tests::test_quickcheck_16_vertex_graph ... ok [INFO] [stdout] test sync::tests::test_100_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_racy_threads_collects ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "21922164ae27d1d7dd5ad024250c48a24d0c7a36e31b80b4391d6d0e1b0e743f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21922164ae27d1d7dd5ad024250c48a24d0c7a36e31b80b4391d6d0e1b0e743f", kill_on_drop: false }` [INFO] [stdout] 21922164ae27d1d7dd5ad024250c48a24d0c7a36e31b80b4391d6d0e1b0e743f