[INFO] fetching crate toy_arena 0.2.0... [INFO] testing toy_arena-0.2.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate toy_arena 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate toy_arena 0.2.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate toy_arena 0.2.0 [INFO] finished tweaking crates.io crate toy_arena 0.2.0 [INFO] tweaked toml for crates.io crate toy_arena 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b38a085aa4b9c548f6aa9de4d1b6611b553bb7608df7aa2a46d1a19eea71431 [INFO] running `Command { std: "docker" "start" "-a" "5b38a085aa4b9c548f6aa9de4d1b6611b553bb7608df7aa2a46d1a19eea71431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b38a085aa4b9c548f6aa9de4d1b6611b553bb7608df7aa2a46d1a19eea71431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b38a085aa4b9c548f6aa9de4d1b6611b553bb7608df7aa2a46d1a19eea71431", kill_on_drop: false }` [INFO] [stdout] 5b38a085aa4b9c548f6aa9de4d1b6611b553bb7608df7aa2a46d1a19eea71431 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2924c5f106cdf526d8d447edf28d0c4c16df8e37323cc39509bd9714ab16eb9 [INFO] running `Command { std: "docker" "start" "-a" "c2924c5f106cdf526d8d447edf28d0c4c16df8e37323cc39509bd9714ab16eb9", kill_on_drop: false }` [INFO] [stderr] Compiling toy_arena v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe { &*self.inner.as_ref().tree.get() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | unsafe { &mut *self.inner.as_ref().tree.get() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:87:20 [INFO] [stdout] | [INFO] [stdout] 87 | let tree = unsafe { self.bind.tree() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:92:20 [INFO] [stdout] | [INFO] [stdout] 92 | let tree = unsafe { self.bind.tree_mut() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_parent` [INFO] [stdout] --> src/tree/link.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn set_parent(&mut self, parent: Option) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "c2924c5f106cdf526d8d447edf28d0c4c16df8e37323cc39509bd9714ab16eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2924c5f106cdf526d8d447edf28d0c4c16df8e37323cc39509bd9714ab16eb9", kill_on_drop: false }` [INFO] [stdout] c2924c5f106cdf526d8d447edf28d0c4c16df8e37323cc39509bd9714ab16eb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1dd84b89042c1135205880d0b357d0274baf7234f5d2ff07049d1e85f1ad510 [INFO] running `Command { std: "docker" "start" "-a" "f1dd84b89042c1135205880d0b357d0274baf7234f5d2ff07049d1e85f1ad510", kill_on_drop: false }` [INFO] [stderr] Compiling toy_arena v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe { &*self.inner.as_ref().tree.get() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | unsafe { &mut *self.inner.as_ref().tree.get() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:87:20 [INFO] [stdout] | [INFO] [stdout] 87 | let tree = unsafe { self.bind.tree() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:92:20 [INFO] [stdout] | [INFO] [stdout] 92 | let tree = unsafe { self.bind.tree_mut() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_parent` [INFO] [stdout] --> src/tree/link.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn set_parent(&mut self, parent: Option) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | unsafe { &*self.inner.as_ref().tree.get() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | unsafe { &mut *self.inner.as_ref().tree.get() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:87:20 [INFO] [stdout] | [INFO] [stdout] 87 | let tree = unsafe { self.bind.tree() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/tree/iter_mut.rs:92:20 [INFO] [stdout] | [INFO] [stdout] 92 | let tree = unsafe { self.bind.tree_mut() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_parent` [INFO] [stdout] --> src/tree/link.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn set_parent(&mut self, parent: Option) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "f1dd84b89042c1135205880d0b357d0274baf7234f5d2ff07049d1e85f1ad510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1dd84b89042c1135205880d0b357d0274baf7234f5d2ff07049d1e85f1ad510", kill_on_drop: false }` [INFO] [stdout] f1dd84b89042c1135205880d0b357d0274baf7234f5d2ff07049d1e85f1ad510 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d5f01f557f3acd487f8e2e757c1e87cf12df7e35139c10fe4a64aa9b8da1fecb [INFO] running `Command { std: "docker" "start" "-a" "d5f01f557f3acd487f8e2e757c1e87cf12df7e35139c10fe4a64aa9b8da1fecb", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/tree/iter_mut.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | unsafe { &*self.inner.as_ref().tree.get() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/tree/iter_mut.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | unsafe { &mut *self.inner.as_ref().tree.get() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/tree/iter_mut.rs:87:20 [INFO] [stderr] | [INFO] [stderr] 87 | let tree = unsafe { self.bind.tree() }; [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/tree/iter_mut.rs:92:20 [INFO] [stderr] | [INFO] [stderr] 92 | let tree = unsafe { self.bind.tree_mut() }; [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_parent` [INFO] [stderr] --> src/tree/link.rs:49:12 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn set_parent(&mut self, parent: Option) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `toy_arena` (lib) generated 5 warnings [INFO] [stderr] warning: `toy_arena` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/toy_arena-fa84d21c1f3c885d) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test test::drain ... ok [INFO] [stdout] test test::entry_binds ... ok [INFO] [stdout] test test::entry_bind ... ok [INFO] [stdout] test test::gen_macro ... ok [INFO] [stdout] test test::insert_remove_invalidate_replace ... ok [INFO] [stdout] test tree::test::automatic_traverse ... ok [INFO] [stdout] test test::retain ... ok [INFO] [stdout] test tree::test::manual_traverse ... ok [INFO] [stdout] test tree::test::tree_macro_test ... ok [INFO] [stdout] test tree::test::tree_remove ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests toy_arena [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/_example.rs - _example (line 62) ... ok [INFO] [stdout] test src/lib.rs - Index (line 124) ... ok [INFO] [stdout] test src/lib.rs - arena (line 713) ... ok [INFO] [stdout] test src/tree.rs - tree::tree (line 326) ... ok [INFO] [stdout] test src/_example.rs - _example (line 40) ... ok [INFO] [stdout] test src/_example.rs - _example (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d5f01f557f3acd487f8e2e757c1e87cf12df7e35139c10fe4a64aa9b8da1fecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5f01f557f3acd487f8e2e757c1e87cf12df7e35139c10fe4a64aa9b8da1fecb", kill_on_drop: false }` [INFO] [stdout] d5f01f557f3acd487f8e2e757c1e87cf12df7e35139c10fe4a64aa9b8da1fecb