[INFO] cloning repository https://github.com/tingerrr/srb-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tingerrr/srb-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftingerrr%2Fsrb-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftingerrr%2Fsrb-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da347eb1c93d5937f8bd0e9a1094c6902599d6d1 [INFO] checking tingerrr/srb-tree against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftingerrr%2Fsrb-tree" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tingerrr/srb-tree [INFO] finished tweaking git repo https://github.com/tingerrr/srb-tree [INFO] tweaked toml for git repo https://github.com/tingerrr/srb-tree written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tingerrr/srb-tree on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tingerrr/srb-tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking tingerrr/srb-tree against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftingerrr%2Fsrb-tree" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tingerrr/srb-tree [INFO] finished tweaking git repo https://github.com/tingerrr/srb-tree [INFO] tweaked toml for git repo https://github.com/tingerrr/srb-tree written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tingerrr/srb-tree on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tingerrr/srb-tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4933da87a71c3c2c9163dac198e38d761eb8639f9a2d4284a3153c8530be0962 [INFO] running `Command { std: "docker" "start" "-a" "4933da87a71c3c2c9163dac198e38d761eb8639f9a2d4284a3153c8530be0962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4933da87a71c3c2c9163dac198e38d761eb8639f9a2d4284a3153c8530be0962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4933da87a71c3c2c9163dac198e38d761eb8639f9a2d4284a3153c8530be0962", kill_on_drop: false }` [INFO] [stdout] 4933da87a71c3c2c9163dac198e38d761eb8639f9a2d4284a3153c8530be0962 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a2fc19f6e67fc9a865c5dfb2f1f51fb03a956b2a752ac114f7048040489e2b2 [INFO] running `Command { std: "docker" "start" "-a" "4a2fc19f6e67fc9a865c5dfb2f1f51fb03a956b2a752ac114f7048040489e2b2", kill_on_drop: false }` [INFO] [stderr] Checking srb-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated constants `SIZE`, `MAX`, and `MIN` are never used [INFO] [stdout] --> src/key.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Key: Ord + Sized { [INFO] [stdout] | --- associated constants in this trait [INFO] [stdout] 2 | const SIZE: u8; [INFO] [stdout] | ^^^^ [INFO] [stdout] 3 | [INFO] [stdout] 4 | const MAX: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | const MIN: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SrbTreeMap` is never constructed [INFO] [stdout] --> src/tree/map.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct SrbTreeMap { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/tree/map.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl SrbTreeMap { [INFO] [stdout] | --------------------------- associated function in this implementation [INFO] [stdout] 13 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/tree/map.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl SrbTreeMap { [INFO] [stdout] | -------------------------------- methods in this implementation [INFO] [stdout] 21 | pub fn insert(&mut self, key: K, value: V) -> Option<(K, V)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn remove>(&mut self, key: &Q) -> Option<(K, V)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get>(&self, key: &Q) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn get_mut>(&mut self, key: &Q) -> Option<(&K, &mut V)> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn first(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn first_mut(&mut self) -> Option<(&K, &mut V)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn last(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn last_mut(&mut self) -> Option<(&K, &mut V)> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_non_empty` is never used [INFO] [stdout] --> src/tree/node.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn get_non_empty( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_non_empty_mut` is never used [INFO] [stdout] --> src/tree/node.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_non_empty_mut( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `replace_child_at` is never used [INFO] [stdout] --> src/tree/node.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 69 | impl Node { [INFO] [stdout] | ---------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn replace_child_at(&mut self, idx: usize, child: Option) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `keys` and `values` are never used [INFO] [stdout] --> src/tree/node.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 158 | impl Node { [INFO] [stdout] | ---------------------------------------- methods in this implementation [INFO] [stdout] 159 | pub fn keys(&self) -> Keys<'_, K, V, B> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | pub fn values(&self) -> Values<'_, K, V, B> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/tree/node.rs:222:12 [INFO] [stdout] | [INFO] [stdout] 178 | impl Node { [INFO] [stdout] | --------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 222 | pub fn remove(&mut self, depth: usize, key: &K) -> Option<(K, V)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 248 | pub fn get(&self, depth: usize, key: &K) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 264 | pub fn get_mut(&mut self, depth: usize, key: &K) -> Option<(&mut K, &mut V)> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 280 | pub fn first(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 293 | pub fn first_mut(&mut self) -> Option<(&mut K, &mut V)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 306 | pub fn last(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 319 | pub fn last_mut(&mut self) -> Option<(&mut K, &mut V)> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Keys` is never constructed [INFO] [stdout] --> src/tree/node/iter.rs:299:12 [INFO] [stdout] | [INFO] [stdout] 299 | pub struct Keys<'n, K, V, const B: usize> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Values` is never constructed [INFO] [stdout] --> src/tree/node/iter.rs:318:12 [INFO] [stdout] | [INFO] [stdout] 318 | pub struct Values<'n, K, V, const B: usize> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove`, `get`, `first`, `last`, and `iter` are never used [INFO] [stdout] --> src/tree/set.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl SrbTreeSet { [INFO] [stdout] | -------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn remove>(&mut self, value: &Q) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn get>(&self, value: &Q) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn first(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn last(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn iter(&self) -> node::iter::Keys<'_, T, (), B> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constants `SIZE`, `MAX`, and `MIN` are never used [INFO] [stdout] --> src/key.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Key: Ord + Sized { [INFO] [stdout] | --- associated constants in this trait [INFO] [stdout] 2 | const SIZE: u8; [INFO] [stdout] | ^^^^ [INFO] [stdout] 3 | [INFO] [stdout] 4 | const MAX: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | const MIN: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SrbTreeMap` is never constructed [INFO] [stdout] --> src/tree/map.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct SrbTreeMap { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/tree/map.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl SrbTreeMap { [INFO] [stdout] | --------------------------- associated function in this implementation [INFO] [stdout] 13 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/tree/map.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl SrbTreeMap { [INFO] [stdout] | -------------------------------- methods in this implementation [INFO] [stdout] 21 | pub fn insert(&mut self, key: K, value: V) -> Option<(K, V)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn remove>(&mut self, key: &Q) -> Option<(K, V)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get>(&self, key: &Q) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn get_mut>(&mut self, key: &Q) -> Option<(&K, &mut V)> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn first(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn first_mut(&mut self) -> Option<(&K, &mut V)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn last(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn last_mut(&mut self) -> Option<(&K, &mut V)> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_non_empty` is never used [INFO] [stdout] --> src/tree/node.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn get_non_empty( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_non_empty_mut` is never used [INFO] [stdout] --> src/tree/node.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_non_empty_mut( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `replace_child_at` is never used [INFO] [stdout] --> src/tree/node.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 69 | impl Node { [INFO] [stdout] | ---------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn replace_child_at(&mut self, idx: usize, child: Option) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `values` is never used [INFO] [stdout] --> src/tree/node.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 158 | impl Node { [INFO] [stdout] | ---------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 165 | pub fn values(&self) -> Values<'_, K, V, B> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/tree/node.rs:222:12 [INFO] [stdout] | [INFO] [stdout] 178 | impl Node { [INFO] [stdout] | --------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 222 | pub fn remove(&mut self, depth: usize, key: &K) -> Option<(K, V)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 248 | pub fn get(&self, depth: usize, key: &K) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 264 | pub fn get_mut(&mut self, depth: usize, key: &K) -> Option<(&mut K, &mut V)> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 280 | pub fn first(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 293 | pub fn first_mut(&mut self) -> Option<(&mut K, &mut V)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 306 | pub fn last(&self) -> Option<(&K, &V)> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 319 | pub fn last_mut(&mut self) -> Option<(&mut K, &mut V)> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Values` is never constructed [INFO] [stdout] --> src/tree/node/iter.rs:318:12 [INFO] [stdout] | [INFO] [stdout] 318 | pub struct Values<'n, K, V, const B: usize> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove`, `get`, `first`, `last`, and `iter` are never used [INFO] [stdout] --> src/tree/set.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl SrbTreeSet { [INFO] [stdout] | -------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn remove>(&mut self, value: &Q) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn get>(&self, value: &Q) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn first(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn last(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn iter(&self) -> node::iter::Keys<'_, T, (), B> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "4a2fc19f6e67fc9a865c5dfb2f1f51fb03a956b2a752ac114f7048040489e2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a2fc19f6e67fc9a865c5dfb2f1f51fb03a956b2a752ac114f7048040489e2b2", kill_on_drop: false }` [INFO] [stdout] 4a2fc19f6e67fc9a865c5dfb2f1f51fb03a956b2a752ac114f7048040489e2b2