[INFO] updating cached repository https://github.com/tslilyai/rustyrb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5310109fba877afa137980dad4715e076b1e1124 [INFO] checking tslilyai/rustyrb against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftslilyai%2Frustyrb" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tslilyai/rustyrb on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tslilyai/rustyrb [INFO] finished tweaking git repo https://github.com/tslilyai/rustyrb [INFO] tweaked toml for git repo https://github.com/tslilyai/rustyrb written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/tslilyai/rustyrb already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 43695fcc542e9e1712129661263f9a1cd01727e11a16c8a2a4a2a3fb68c40be2 [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" "43695fcc542e9e1712129661263f9a1cd01727e11a16c8a2a4a2a3fb68c40be2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43695fcc542e9e1712129661263f9a1cd01727e11a16c8a2a4a2a3fb68c40be2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43695fcc542e9e1712129661263f9a1cd01727e11a16c8a2a4a2a3fb68c40be2", kill_on_drop: false }` [INFO] [stdout] 43695fcc542e9e1712129661263f9a1cd01727e11a16c8a2a4a2a3fb68c40be2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ce5d759e4f5c84747a04b8a064a5a4bd2eb5b67ae95b1d3886cfc63c9a0ee3b [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" "3ce5d759e4f5c84747a04b8a064a5a4bd2eb5b67ae95b1d3886cfc63c9a0ee3b", kill_on_drop: false }` [INFO] [stderr] Checking rustyrbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height` [INFO] [stdout] --> src/rbtree.rs:324:12 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn height(&self) -> isize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height_helper` [INFO] [stdout] --> src/rbtree.rs:327:8 [INFO] [stdout] | [INFO] [stdout] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `rbtree::Node` in public interface (error E0446) [INFO] [stdout] --> src/rbtree.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | / pub fn delete_helper(&self, hptr: &NodeptrT, key: K) -> NodeptrT { [INFO] [stdout] 165 | | if let Some(mut h) = hptr.clone() { [INFO] [stdout] 166 | | if key < h.key { [INFO] [stdout] 167 | | if !RBTree::is_node_red(&h.left) && !RBTree::is_child_node_red(&h.left, 0) { [INFO] [stdout] ... | [INFO] [stdout] 197 | | return None; [INFO] [stdout] 198 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height` [INFO] [stdout] --> src/rbtree.rs:324:12 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn height(&self) -> isize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height_helper` [INFO] [stdout] --> src/rbtree.rs:327:8 [INFO] [stdout] | [INFO] [stdout] 327 | fn height_helper(&self, xptr: &NodeptrT) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "3ce5d759e4f5c84747a04b8a064a5a4bd2eb5b67ae95b1d3886cfc63c9a0ee3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ce5d759e4f5c84747a04b8a064a5a4bd2eb5b67ae95b1d3886cfc63c9a0ee3b", kill_on_drop: false }` [INFO] [stdout] 3ce5d759e4f5c84747a04b8a064a5a4bd2eb5b67ae95b1d3886cfc63c9a0ee3b