[INFO] fetching crate synctree 0.1.3...
[INFO] testing synctree-0.1.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate synctree 0.1.3 into /workspace/builds/worker-6-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synctree 0.1.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.6.4 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded onevec v0.1.0
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded lock_api v0.1.5
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1309fb3b78be7dbf50ca460dbd680508bbba06b310d38ab328a7f23fccf6753
[INFO] running `Command { std: "docker" "start" "-a" "a1309fb3b78be7dbf50ca460dbd680508bbba06b310d38ab328a7f23fccf6753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1309fb3b78be7dbf50ca460dbd680508bbba06b310d38ab328a7f23fccf6753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1309fb3b78be7dbf50ca460dbd680508bbba06b310d38ab328a7f23fccf6753", kill_on_drop: false }`
[INFO] [stdout] a1309fb3b78be7dbf50ca460dbd680508bbba06b310d38ab328a7f23fccf6753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb736ab8745af79c09202c1a399c6d8519b9821a6461f811a46d00c4a94c5c6
[INFO] running `Command { std: "docker" "start" "-a" "acb736ab8745af79c09202c1a399c6d8519b9821a6461f811a46d00c4a94c5c6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling onevec v0.1.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[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:123:76
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "acb736ab8745af79c09202c1a399c6d8519b9821a6461f811a46d00c4a94c5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb736ab8745af79c09202c1a399c6d8519b9821a6461f811a46d00c4a94c5c6", kill_on_drop: false }`
[INFO] [stdout] acb736ab8745af79c09202c1a399c6d8519b9821a6461f811a46d00c4a94c5c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f2bb17a5504ce3cc8d77558f5db4d1268f75f554e3c80ec9919300752e6938
[INFO] running `Command { std: "docker" "start" "-a" "18f2bb17a5504ce3cc8d77558f5db4d1268f75f554e3c80ec9919300752e6938", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] [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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "18f2bb17a5504ce3cc8d77558f5db4d1268f75f554e3c80ec9919300752e6938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f2bb17a5504ce3cc8d77558f5db4d1268f75f554e3c80ec9919300752e6938", kill_on_drop: false }`
[INFO] [stdout] 18f2bb17a5504ce3cc8d77558f5db4d1268f75f554e3c80ec9919300752e6938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 550da24a414d8967ff479ca6c150d18e228a39e10e6e8f2a84c687a725fb5fd2
[INFO] running `Command { std: "docker" "start" "-a" "550da24a414d8967ff479ca6c150d18e228a39e10e6e8f2a84c687a725fb5fd2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synctree-d491aa46475d9d72)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr]    Doc-tests synctree
[INFO] [stdout] test arena::tests::create ... ok
[INFO] [stdout] test macros::tests::tree_macro ... ok
[INFO] [stdout] test arena::tests::simple ... ok
[INFO] [stdout] test arena::tests::iter_mut ... ok
[INFO] [stdout] test node_arena::tests::ptr_eq ... ok
[INFO] [stdout] test node_arena::tests::read ... ok
[INFO] [stdout] test arena::tests::iter ... ok
[INFO] [stdout] test node_arena::tests::write ... ok
[INFO] [stdout] test tests::ancestors ... ok
[INFO] [stdout] test node_arena::tests::into_inner ... ok
[INFO] [stdout] test tests::children_append ... ok
[INFO] [stdout] test tests::children_iter ... ok
[INFO] [stdout] test tests::children_iter_double_ended ... ok
[INFO] [stdout] test tests::children_prepend ... ok
[INFO] [stdout] test tests::read_write ... ok
[INFO] [stdout] test tests::siblings_iter ... ok
[INFO] [stdout] test tests::siblings ... ok
[INFO] [stdout] test tests::traversal ... ok
[INFO] [stdout] test tests::parent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "550da24a414d8967ff479ca6c150d18e228a39e10e6e8f2a84c687a725fb5fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550da24a414d8967ff479ca6c150d18e228a39e10e6e8f2a84c687a725fb5fd2", kill_on_drop: false }`
[INFO] [stdout] 550da24a414d8967ff479ca6c150d18e228a39e10e6e8f2a84c687a725fb5fd2