[INFO] fetching crate be-tree 0.1.0... [INFO] testing be-tree-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate be-tree 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate be-tree 0.1.0 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 be-tree 0.1.0 [INFO] finished tweaking crates.io crate be-tree 0.1.0 [INFO] tweaked toml for crates.io crate be-tree 0.1.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] de063a9b69c82c9524b779931e1e85bb86b9485bf21f42840cc5d9e2f4071b6c [INFO] running `Command { std: "docker" "start" "-a" "de063a9b69c82c9524b779931e1e85bb86b9485bf21f42840cc5d9e2f4071b6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de063a9b69c82c9524b779931e1e85bb86b9485bf21f42840cc5d9e2f4071b6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de063a9b69c82c9524b779931e1e85bb86b9485bf21f42840cc5d9e2f4071b6c", kill_on_drop: false }` [INFO] [stdout] de063a9b69c82c9524b779931e1e85bb86b9485bf21f42840cc5d9e2f4071b6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 14506daf490140695958f7ceb371df78a7896b472d3e43928763213b8384e590 [INFO] running `Command { std: "docker" "start" "-a" "14506daf490140695958f7ceb371df78a7896b472d3e43928763213b8384e590", kill_on_drop: false }` [INFO] [stderr] Compiling be-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the type `[Pivot; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:55:45 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `Box` must be non-null (in this struct field) [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | child: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "14506daf490140695958f7ceb371df78a7896b472d3e43928763213b8384e590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14506daf490140695958f7ceb371df78a7896b472d3e43928763213b8384e590", kill_on_drop: false }` [INFO] [stdout] 14506daf490140695958f7ceb371df78a7896b472d3e43928763213b8384e590 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fe9407699bb8bb1e6780e2683c1b9f3956d0391a9518998f40e5140536a6300c [INFO] running `Command { std: "docker" "start" "-a" "fe9407699bb8bb1e6780e2683c1b9f3956d0391a9518998f40e5140536a6300c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling be-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the type `[Pivot; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:55:45 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `Box` must be non-null (in this struct field) [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | child: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Pivot; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:55:45 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `Box` must be non-null (in this struct field) [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | child: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/be_tree-796938cfdb587f90) [INFO] running `Command { std: "docker" "inspect" "fe9407699bb8bb1e6780e2683c1b9f3956d0391a9518998f40e5140536a6300c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe9407699bb8bb1e6780e2683c1b9f3956d0391a9518998f40e5140536a6300c", kill_on_drop: false }` [INFO] [stdout] fe9407699bb8bb1e6780e2683c1b9f3956d0391a9518998f40e5140536a6300c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 953fc282ee3797af93f60df401f09a60a5cef8177b0310a002dc8f308b6da2b8 [INFO] running `Command { std: "docker" "start" "-a" "953fc282ee3797af93f60df401f09a60a5cef8177b0310a002dc8f308b6da2b8", kill_on_drop: false }` [INFO] [stderr] warning: the type `[Pivot; 4]` does not permit being left uninitialized [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:55:45 [INFO] [stdout] running 9 tests [INFO] [stderr] | [INFO] [stderr] 55 | let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: `Box` must be non-null (in this struct field) [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | child: Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `be-tree` (lib) generated 1 warning [INFO] [stderr] warning: `be-tree` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/be_tree-796938cfdb587f90) [INFO] [stdout] test tests::can_clear ... ok [INFO] [stdout] test tests::can_construct ... ok [INFO] [stdout] test tests::can_delete_existing ... ok [INFO] [stdout] test tests::can_delete_nothing ... ok [INFO] [stdout] test tests::can_insert_single ... ok [INFO] [stdout] test tests::can_delete_only_existing ... ok [INFO] [stdout] test tests::can_insert_two ... ok [INFO] [stdout] test tests::can_split ... ok [INFO] [stdout] test tests::insert_replaces_existing ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests be-tree [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "953fc282ee3797af93f60df401f09a60a5cef8177b0310a002dc8f308b6da2b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "953fc282ee3797af93f60df401f09a60a5cef8177b0310a002dc8f308b6da2b8", kill_on_drop: false }` [INFO] [stdout] 953fc282ee3797af93f60df401f09a60a5cef8177b0310a002dc8f308b6da2b8