[INFO] fetching crate synctree 0.1.3... [INFO] testing synctree-0.1.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate synctree 0.1.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate synctree 0.1.3 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 synctree 0.1.3 [INFO] finished tweaking crates.io crate synctree 0.1.3 [INFO] tweaked toml for crates.io crate synctree 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded onevec v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 52aaaee114e4a284eda40b5a8b0315c441dfe025b05fda501b9a0b453b18322f [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" "52aaaee114e4a284eda40b5a8b0315c441dfe025b05fda501b9a0b453b18322f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52aaaee114e4a284eda40b5a8b0315c441dfe025b05fda501b9a0b453b18322f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52aaaee114e4a284eda40b5a8b0315c441dfe025b05fda501b9a0b453b18322f", kill_on_drop: false }` [INFO] [stdout] 52aaaee114e4a284eda40b5a8b0315c441dfe025b05fda501b9a0b453b18322f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 025a9c68f2b3447283217405412424096fbd6bacc0dc903f40f1ea52f516c345 [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" "025a9c68f2b3447283217405412424096fbd6bacc0dc903f40f1ea52f516c345", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling onevec v0.1.0 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling synctree v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/arena.rs:123:71 [INFO] [stdout] | [INFO] [stdout] 123 | let old = mem::replace(&mut self.elements[id.0], unsafe { mem::uninitialized() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.27s [INFO] running `Command { std: "docker" "inspect" "025a9c68f2b3447283217405412424096fbd6bacc0dc903f40f1ea52f516c345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "025a9c68f2b3447283217405412424096fbd6bacc0dc903f40f1ea52f516c345", kill_on_drop: false }` [INFO] [stdout] 025a9c68f2b3447283217405412424096fbd6bacc0dc903f40f1ea52f516c345 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] a20d3d4a78aa5ef419c8c7c56c1bc563b22b94cc588afb67f07aabced75f7bfa [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" "a20d3d4a78aa5ef419c8c7c56c1bc563b22b94cc588afb67f07aabced75f7bfa", kill_on_drop: false }` [INFO] [stderr] Compiling synctree v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/arena.rs:123:71 [INFO] [stdout] | [INFO] [stdout] 123 | let old = mem::replace(&mut self.elements[id.0], unsafe { mem::uninitialized() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/arena.rs:123:71 [INFO] [stdout] | [INFO] [stdout] 123 | let old = mem::replace(&mut self.elements[id.0], unsafe { mem::uninitialized() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "a20d3d4a78aa5ef419c8c7c56c1bc563b22b94cc588afb67f07aabced75f7bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a20d3d4a78aa5ef419c8c7c56c1bc563b22b94cc588afb67f07aabced75f7bfa", kill_on_drop: false }` [INFO] [stdout] a20d3d4a78aa5ef419c8c7c56c1bc563b22b94cc588afb67f07aabced75f7bfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 2e8794159c49854c31c000a6b8f7d19fd98adcdbca4f8b3458ccb068c0632fcf [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" "2e8794159c49854c31c000a6b8f7d19fd98adcdbca4f8b3458ccb068c0632fcf", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] running 19 tests [INFO] [stderr] --> src/arena.rs:123:71 [INFO] [stdout] test arena::tests::create ... ok [INFO] [stderr] | [INFO] [stdout] test arena::tests::simple ... ok [INFO] [stderr] 123 | let old = mem::replace(&mut self.elements[id.0], unsafe { mem::uninitialized() }); [INFO] [stdout] test macros::tests::tree_macro ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test node_arena::tests::into_inner ... ok [INFO] [stderr] | [INFO] [stdout] test tests::children_prepend ... ok [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/arena.rs:123:71 [INFO] [stderr] | [INFO] [stderr] 123 | let old = mem::replace(&mut self.elements[id.0], unsafe { mem::uninitialized() }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/synctree-8b8a0070323b85d0 [INFO] [stdout] test tests::parent ... ok [INFO] [stdout] test tests::read_write ... ok [INFO] [stdout] test tests::siblings ... ok [INFO] [stdout] test node_arena::tests::read ... ok [INFO] [stdout] test tests::children_append ... ok [INFO] [stdout] test tests::children_iter ... ok [INFO] [stdout] test node_arena::tests::ptr_eq ... ok [INFO] [stdout] test arena::tests::iter_mut ... ok [INFO] [stderr] Doc-tests synctree [INFO] [stdout] test tests::ancestors ... ok [INFO] [stdout] test tests::siblings_iter ... ok [INFO] [stdout] test tests::traversal ... ok [INFO] [stdout] test tests::children_iter_double_ended ... ok [INFO] [stdout] test arena::tests::iter ... ok [INFO] [stdout] test node_arena::tests::write ... 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/macros.rs - tree (line 36) ... ignored [INFO] [stdout] test src/macros.rs - tree (line 50) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2e8794159c49854c31c000a6b8f7d19fd98adcdbca4f8b3458ccb068c0632fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8794159c49854c31c000a6b8f7d19fd98adcdbca4f8b3458ccb068c0632fcf", kill_on_drop: false }` [INFO] [stdout] 2e8794159c49854c31c000a6b8f7d19fd98adcdbca4f8b3458ccb068c0632fcf