[INFO] fetching crate synctree 0.1.3...
[INFO] testing synctree-0.1.3 against beta-2022-04-10 for beta-1.61-1
[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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39cecb7dce6539dff6fabf5ef60ff3b53c21a9a4f6fbdf700325cd4a8076a3d6
[INFO] running `Command { std: "docker" "start" "-a" "39cecb7dce6539dff6fabf5ef60ff3b53c21a9a4f6fbdf700325cd4a8076a3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39cecb7dce6539dff6fabf5ef60ff3b53c21a9a4f6fbdf700325cd4a8076a3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cecb7dce6539dff6fabf5ef60ff3b53c21a9a4f6fbdf700325cd4a8076a3d6", kill_on_drop: false }`
[INFO] [stdout] 39cecb7dce6539dff6fabf5ef60ff3b53c21a9a4f6fbdf700325cd4a8076a3d6
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e89a5f798338e7ce743182c7553402026d4b9a1b9de4c23463308c117b1a31
[INFO] running `Command { std: "docker" "start" "-a" "95e89a5f798338e7ce743182c7553402026d4b9a1b9de4c23463308c117b1a31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling onevec v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[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:123:76
[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 3.81s
[INFO] running `Command { std: "docker" "inspect" "95e89a5f798338e7ce743182c7553402026d4b9a1b9de4c23463308c117b1a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e89a5f798338e7ce743182c7553402026d4b9a1b9de4c23463308c117b1a31", kill_on_drop: false }`
[INFO] [stdout] 95e89a5f798338e7ce743182c7553402026d4b9a1b9de4c23463308c117b1a31
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eddd526bbb9d6dddee182b9811c9a505dc80365b3a79953dd90a6c16e086a511
[INFO] running `Command { std: "docker" "start" "-a" "eddd526bbb9d6dddee182b9811c9a505dc80365b3a79953dd90a6c16e086a511", 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:123:76
[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:123:76
[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 0.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/synctree-70a1c2c666b6a90e)
[INFO] running `Command { std: "docker" "inspect" "eddd526bbb9d6dddee182b9811c9a505dc80365b3a79953dd90a6c16e086a511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddd526bbb9d6dddee182b9811c9a505dc80365b3a79953dd90a6c16e086a511", kill_on_drop: false }`
[INFO] [stdout] eddd526bbb9d6dddee182b9811c9a505dc80365b3a79953dd90a6c16e086a511
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5040d61015b07630dbc428f2669f151eecbef2d13d9964493f8a6754d5885c28
[INFO] running `Command { std: "docker" "start" "-a" "5040d61015b07630dbc428f2669f151eecbef2d13d9964493f8a6754d5885c28", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/arena.rs:123:76
[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: `synctree` (lib) generated 1 warning
[INFO] [stderr] warning: `synctree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synctree-70a1c2c666b6a90e)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test arena::tests::iter_mut ... ok
[INFO] [stdout] test arena::tests::iter ... ok
[INFO] [stdout] test arena::tests::create ... ok
[INFO] [stdout] test arena::tests::simple ... ok
[INFO] [stdout] test macros::tests::tree_macro ... ok
[INFO] [stdout] test node_arena::tests::into_inner ... ok
[INFO] [stdout] test node_arena::tests::ptr_eq ... ok
[INFO] [stdout] test node_arena::tests::read ... ok
[INFO] [stdout] test node_arena::tests::write ... ok
[INFO] [stdout] test tests::ancestors ... ok
[INFO] [stdout] test tests::children_append ... ok
[INFO] [stdout] test tests::children_iter_double_ended ... ok
[INFO] [stdout] test tests::children_iter ... ok
[INFO] [stdout] test tests::parent ... ok
[INFO] [stdout] test tests::children_prepend ... ok
[INFO] [stdout] test tests::read_write ... ok
[INFO] [stdout] test tests::siblings ... ok
[INFO] [stdout] test tests::siblings_iter ... ok
[INFO] [stdout] test tests::traversal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synctree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/macros.rs - macros::tree (line 36) ... ignored
[INFO] [stdout] test src/macros.rs - macros::tree (line 50) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5040d61015b07630dbc428f2669f151eecbef2d13d9964493f8a6754d5885c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5040d61015b07630dbc428f2669f151eecbef2d13d9964493f8a6754d5885c28", kill_on_drop: false }`
[INFO] [stdout] 5040d61015b07630dbc428f2669f151eecbef2d13d9964493f8a6754d5885c28