[INFO] fetching crate moving_gc_arena 0.3.1... [INFO] testing moving_gc_arena-0.3.1 against 1.45.2 for beta-1.46-1 [INFO] extracting crate moving_gc_arena 0.3.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate moving_gc_arena 0.3.1 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate moving_gc_arena 0.3.1 [INFO] finished tweaking crates.io crate moving_gc_arena 0.3.1 [INFO] tweaked toml for crates.io crate moving_gc_arena 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate moving_gc_arena 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b4a4138622594c922e2ba68237943277b8e15b3c8bcacf6dcf4c3c94e9898fa4 [INFO] running `Command { std: "docker" "start" "-a" "b4a4138622594c922e2ba68237943277b8e15b3c8bcacf6dcf4c3c94e9898fa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4a4138622594c922e2ba68237943277b8e15b3c8bcacf6dcf4c3c94e9898fa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4a4138622594c922e2ba68237943277b8e15b3c8bcacf6dcf4c3c94e9898fa4", kill_on_drop: false }` [INFO] [stdout] b4a4138622594c922e2ba68237943277b8e15b3c8bcacf6dcf4c3c94e9898fa4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 32ea3670384bf74fcc6fe161b6416852fa961dd63abb60c06aae8dae002d9ada [INFO] running `Command { std: "docker" "start" "-a" "32ea3670384bf74fcc6fe161b6416852fa961dd63abb60c06aae8dae002d9ada", kill_on_drop: false }` [INFO] [stderr] Compiling moving_gc_arena v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "32ea3670384bf74fcc6fe161b6416852fa961dd63abb60c06aae8dae002d9ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32ea3670384bf74fcc6fe161b6416852fa961dd63abb60c06aae8dae002d9ada", kill_on_drop: false }` [INFO] [stdout] 32ea3670384bf74fcc6fe161b6416852fa961dd63abb60c06aae8dae002d9ada [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 370c3951633826dab89dffeaf94f8e8c4916b24582d4cc5b62557faa20b8375b [INFO] running `Command { std: "docker" "start" "-a" "370c3951633826dab89dffeaf94f8e8c4916b24582d4cc5b62557faa20b8375b", kill_on_drop: false }` [INFO] [stderr] Compiling moving_gc_arena v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:772:66 [INFO] [stdout] | [INFO] [stdout] 772 | let mut handle = |mut s: Entry| -> Option<(Entry)> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:634:13 [INFO] [stdout] | [INFO] [stdout] 634 | let mut rt2 = rt1.clone(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:842:13 [INFO] [stdout] | [INFO] [stdout] 842 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "370c3951633826dab89dffeaf94f8e8c4916b24582d4cc5b62557faa20b8375b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "370c3951633826dab89dffeaf94f8e8c4916b24582d4cc5b62557faa20b8375b", kill_on_drop: false }` [INFO] [stdout] 370c3951633826dab89dffeaf94f8e8c4916b24582d4cc5b62557faa20b8375b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 543733046a86be67846510ac40070a05a04051e4b76b7b09bbb443acb0bd5398 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "543733046a86be67846510ac40070a05a04051e4b76b7b09bbb443acb0bd5398", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:772:66 [INFO] [stderr] | [INFO] [stderr] 772 | let mut handle = |mut s: Entry| -> Option<(Entry)> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:634:13 [INFO] [stderr] | [INFO] [stderr] 634 | let mut rt2 = rt1.clone(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:842:13 [INFO] [stderr] | [INFO] [stderr] 842 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/moving_gc_arena-2d9bba3f52d75692 [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test tests::check_impls ... ok [INFO] [stdout] test tests::deep_clone_into_with ... ok [INFO] [stdout] test tests::indirect_correct ... ok [INFO] [stdout] test tests::deep_clone_sound ... ok [INFO] [stdout] test tests::ix_to_root ... ok [INFO] [stdout] test tests::dfs_diamond ... ok [INFO] [stdout] test tests::root_weak_roundtrip ... ok [INFO] [stdout] test tests::entry_ix_weak_commute ... ok [INFO] [stdout] test tests::roots_are_root ... ok [INFO] [stdout] test tests::non_static_strategy ... ok [INFO] [stdout] test tests::traverse_pre_post ... ok [INFO] [stdout] test tests::root_ix_roundtrip ... ok [INFO] [stdout] test tests::traverse_sound ... ok [INFO] [stdout] test tests::weak_to_root ... ok [INFO] [stdout] test tests::weak_ix_roundtrip ... ok [INFO] [stdout] test tests::upgrades_well_behaved ... ok [INFO] [stdout] test tests::weaks_are_weak ... ok [INFO] [stdout] test tests::simple_strategy ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests moving_gc_arena [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/region/mod.rs - region::Region::gc (line 190) ... ok [INFO] [stdout] test src/region/mod.rs - region::Region::traverse_with (line 293) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "543733046a86be67846510ac40070a05a04051e4b76b7b09bbb443acb0bd5398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "543733046a86be67846510ac40070a05a04051e4b76b7b09bbb443acb0bd5398", kill_on_drop: false }` [INFO] [stdout] 543733046a86be67846510ac40070a05a04051e4b76b7b09bbb443acb0bd5398