[INFO] fetching crate synctree 0.1.3...
[INFO] testing synctree-0.1.3 against 1.47.0 for beta-1.48-1
[INFO] extracting crate synctree 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate synctree 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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 onevec v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9760a02cbcea275e262ca0f49561107d2248ad890b3f28fded3e5350d41e948a
[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" "9760a02cbcea275e262ca0f49561107d2248ad890b3f28fded3e5350d41e948a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9760a02cbcea275e262ca0f49561107d2248ad890b3f28fded3e5350d41e948a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9760a02cbcea275e262ca0f49561107d2248ad890b3f28fded3e5350d41e948a", kill_on_drop: false }`
[INFO] [stdout] 9760a02cbcea275e262ca0f49561107d2248ad890b3f28fded3e5350d41e948a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a64522367e06639fa728f8f39a801d0b58a50835ce4d9dc5d4f53d3934b8ef
[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" "22a64522367e06639fa728f8f39a801d0b58a50835ce4d9dc5d4f53d3934b8ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling onevec v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22a64522367e06639fa728f8f39a801d0b58a50835ce4d9dc5d4f53d3934b8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a64522367e06639fa728f8f39a801d0b58a50835ce4d9dc5d4f53d3934b8ef", kill_on_drop: false }`
[INFO] [stdout] 22a64522367e06639fa728f8f39a801d0b58a50835ce4d9dc5d4f53d3934b8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171bc3853bf2893927b420b63e0530058a94d1159f638c1499e36b3e3554296e
[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" "171bc3853bf2893927b420b63e0530058a94d1159f638c1499e36b3e3554296e", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "171bc3853bf2893927b420b63e0530058a94d1159f638c1499e36b3e3554296e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171bc3853bf2893927b420b63e0530058a94d1159f638c1499e36b3e3554296e", kill_on_drop: false }`
[INFO] [stdout] 171bc3853bf2893927b420b63e0530058a94d1159f638c1499e36b3e3554296e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b81257f10befca60dd0aa5321b048683e9fc90053c305127dfe969afb1e15460
[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" "b81257f10befca60dd0aa5321b048683e9fc90053c305127dfe969afb1e15460", 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 tests::parent ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::children_iter_double_ended ... ok
[INFO] [stderr] 123 |             let old = mem::replace(&mut self.elements[id.0], unsafe { mem::uninitialized() });
[INFO] [stdout] test tests::read_write ... ok
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test tests::children_iter ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::children_append ... 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 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synctree-54b291e6bb9aa3f2
[INFO] [stdout] test arena::tests::iter_mut ... ok
[INFO] [stdout] test tests::children_prepend ... ok
[INFO] [stdout] test tests::siblings ... ok
[INFO] [stdout] test tests::siblings_iter ... ok
[INFO] [stdout] test arena::tests::iter ... ok
[INFO] [stdout] test tests::traversal ... ok
[INFO] [stdout] test arena::tests::simple ... ok
[INFO] [stdout] test node_arena::tests::into_inner ... ok
[INFO] [stdout] test arena::tests::create ... ok
[INFO] [stdout] test tests::ancestors ... ok
[INFO] [stdout] test node_arena::tests::read ... ok
[INFO] [stdout] test node_arena::tests::write ... ok
[INFO] [stdout] test macros::tests::tree_macro ... ok
[INFO] [stdout] test node_arena::tests::ptr_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synctree
[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" "b81257f10befca60dd0aa5321b048683e9fc90053c305127dfe969afb1e15460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81257f10befca60dd0aa5321b048683e9fc90053c305127dfe969afb1e15460", kill_on_drop: false }`
[INFO] [stdout] b81257f10befca60dd0aa5321b048683e9fc90053c305127dfe969afb1e15460
