[INFO] fetching crate moving_gc_arena 0.3.2... [INFO] testing moving_gc_arena-0.3.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate moving_gc_arena 0.3.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate moving_gc_arena 0.3.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate moving_gc_arena 0.3.2 [INFO] finished tweaking crates.io crate moving_gc_arena 0.3.2 [INFO] tweaked toml for crates.io crate moving_gc_arena 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate moving_gc_arena 0.3.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84290c2c63370c4ceb77179a4e7afce6c5678a581e50ef0533988908c5eba987 [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" "84290c2c63370c4ceb77179a4e7afce6c5678a581e50ef0533988908c5eba987", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84290c2c63370c4ceb77179a4e7afce6c5678a581e50ef0533988908c5eba987", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84290c2c63370c4ceb77179a4e7afce6c5678a581e50ef0533988908c5eba987", kill_on_drop: false }` [INFO] [stdout] 84290c2c63370c4ceb77179a4e7afce6c5678a581e50ef0533988908c5eba987 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] dd88d6a968739586bd939018bd02614dc6db586888becf7e17545a262f68d212 [INFO] running `Command { std: "docker" "start" "-a" "dd88d6a968739586bd939018bd02614dc6db586888becf7e17545a262f68d212", kill_on_drop: false }` [INFO] [stderr] Compiling moving_gc_arena v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "dd88d6a968739586bd939018bd02614dc6db586888becf7e17545a262f68d212", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd88d6a968739586bd939018bd02614dc6db586888becf7e17545a262f68d212", kill_on_drop: false }` [INFO] [stdout] dd88d6a968739586bd939018bd02614dc6db586888becf7e17545a262f68d212 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 6479ac392b83b73abf3c7c9e80302c4b6fb4c0a0367aaed9899f3af7ee5ec6e8 [INFO] running `Command { std: "docker" "start" "-a" "6479ac392b83b73abf3c7c9e80302c4b6fb4c0a0367aaed9899f3af7ee5ec6e8", kill_on_drop: false }` [INFO] [stderr] Compiling moving_gc_arena v0.3.2 (/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 2.68s [INFO] running `Command { std: "docker" "inspect" "6479ac392b83b73abf3c7c9e80302c4b6fb4c0a0367aaed9899f3af7ee5ec6e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6479ac392b83b73abf3c7c9e80302c4b6fb4c0a0367aaed9899f3af7ee5ec6e8", kill_on_drop: false }` [INFO] [stdout] 6479ac392b83b73abf3c7c9e80302c4b6fb4c0a0367aaed9899f3af7ee5ec6e8 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 8bd1c41c2377456862c44795e4578a0627de7e338c41a860b9c8168a651ea64c [INFO] running `Command { std: "docker" "start" "-a" "8bd1c41c2377456862c44795e4578a0627de7e338c41a860b9c8168a651ea64c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/moving_gc_arena-295fb42bd521f0b4 [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test tests::check_impls ... ok [INFO] [stdout] test tests::deep_clone_into_with ... ok [INFO] [stdout] test tests::dfs_diamond ... ok [INFO] [stdout] test tests::ix_to_root ... ok [INFO] [stdout] test tests::non_static_strategy ... ok [INFO] [stdout] test tests::deep_clone_sound ... ok [INFO] [stdout] test tests::roots_are_root ... ok [INFO] [stdout] test tests::indirect_correct ... ok [INFO] [stdout] test tests::traverse_pre_post ... ok [INFO] [stdout] test tests::root_weak_roundtrip ... ok [INFO] [stdout] test tests::traverse_sound ... ok [INFO] [stdout] test tests::upgrades_well_behaved ... ok [INFO] [stdout] test tests::weaks_are_weak ... ok [INFO] [stdout] test tests::entry_ix_weak_commute ... ok [INFO] [stdout] test tests::root_ix_roundtrip ... ok [INFO] [stdout] test tests::weak_ix_roundtrip ... ok [INFO] [stdout] test tests::weak_to_root ... ok [INFO] [stdout] test tests::invalid_ix_in_gc ... ok [INFO] [stderr] Doc-tests moving_gc_arena [INFO] [stdout] test tests::simple_strategy ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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" "8bd1c41c2377456862c44795e4578a0627de7e338c41a860b9c8168a651ea64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bd1c41c2377456862c44795e4578a0627de7e338c41a860b9c8168a651ea64c", kill_on_drop: false }` [INFO] [stdout] 8bd1c41c2377456862c44795e4578a0627de7e338c41a860b9c8168a651ea64c