[INFO] cloning repository https://github.com/wagnerf42/rrb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wagnerf42/rrb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 126167ce7109fe5194b68e6fb68dc9ea4e7e3f55 [INFO] checking wagnerf42/rrb against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frrb" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/wagnerf42/rrb [INFO] finished tweaking git repo https://github.com/wagnerf42/rrb [INFO] tweaked toml for git repo https://github.com/wagnerf42/rrb written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/wagnerf42/rrb on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/wagnerf42/rrb 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.14 [INFO] [stderr] Downloaded either v1.13.0 [INFO] [stderr] Downloaded lender-derive v0.1.2 [INFO] [stderr] Downloaded quote v1.0.37 [INFO] [stderr] Downloaded lender v0.2.9 [INFO] [stderr] Downloaded proc-macro2 v1.0.92 [INFO] [stderr] Downloaded itertools v0.13.0 [INFO] [stderr] Downloaded syn v2.0.90 [INFO] [stderr] Downloaded libc v0.2.167 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 480595b91bb9cae517041e55d476ec8a3100a3943147d0d18e71285c77cb9bef [INFO] running `Command { std: "docker" "start" "-a" "480595b91bb9cae517041e55d476ec8a3100a3943147d0d18e71285c77cb9bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "480595b91bb9cae517041e55d476ec8a3100a3943147d0d18e71285c77cb9bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "480595b91bb9cae517041e55d476ec8a3100a3943147d0d18e71285c77cb9bef", kill_on_drop: false }` [INFO] [stdout] 480595b91bb9cae517041e55d476ec8a3100a3943147d0d18e71285c77cb9bef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2701ef623def5deddc0702cd21582fce6c3215607da10290682ecf1d186f2271 [INFO] running `Command { std: "docker" "start" "-a" "2701ef623def5deddc0702cd21582fce6c3215607da10290682ecf1d186f2271", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.167 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling lender-derive v0.1.2 [INFO] [stderr] Checking lender v0.2.9 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rrb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/lib.rs:167:42 [INFO] [stdout] | [INFO] [stdout] 167 | fn split_at(&mut self, index: usize, level: u32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf` [INFO] [stdout] --> src/lib.rs:344:24 [INFO] [stdout] | [INFO] [stdout] 344 | Node::Leaf(leaf) => (), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/lib.rs:167:42 [INFO] [stdout] | [INFO] [stdout] 167 | fn split_at(&mut self, index: usize, level: u32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf` [INFO] [stdout] --> src/lib.rs:344:24 [INFO] [stdout] | [INFO] [stdout] 344 | Node::Leaf(leaf) => (), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Leaf` is more private than the item `Node::Leaf::0` [INFO] [stdout] --> src/lib.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | Leaf(Leaf), [INFO] [stdout] | ^^^^^^^ field `Node::Leaf::0` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Leaf` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | struct Leaf { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `InnerNode` is more private than the item `Node::Inner::0` [INFO] [stdout] --> src/lib.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | Inner(InnerNode), [INFO] [stdout] | ^^^^^^^^^^^^ field `Node::Inner::0` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `InnerNode` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | struct InnerNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Leaf` is more private than the item `Node::::into_leaves` [INFO] [stdout] --> src/lib.rs:328:5 [INFO] [stdout] | [INFO] [stdout] 328 | pub fn into_leaves(self) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::::into_leaves` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Leaf` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | struct Leaf { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 74 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:348:17 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 348 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Leaf` is more private than the item `Node::Leaf::0` [INFO] [stdout] --> src/lib.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | Leaf(Leaf), [INFO] [stdout] | ^^^^^^^ field `Node::Leaf::0` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Leaf` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | struct Leaf { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `InnerNode` is more private than the item `Node::Inner::0` [INFO] [stdout] --> src/lib.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | Inner(InnerNode), [INFO] [stdout] | ^^^^^^^^^^^^ field `Node::Inner::0` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `InnerNode` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | struct InnerNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Leaf` is more private than the item `Node::::into_leaves` [INFO] [stdout] --> src/lib.rs:328:5 [INFO] [stdout] | [INFO] [stdout] 328 | pub fn into_leaves(self) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::::into_leaves` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Leaf` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | struct Leaf { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 74 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:348:17 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 348 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 17 | return Ok(()); [INFO] [stdout] | ------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 33 | let n = 30 + rand::random::() % 80 + 45; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 17 | return Ok(()); [INFO] [stdout] | ------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 33 | let n = 30 + rand::random::() % 80 + 45; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lender::Lender` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use lender::Lender; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lender::Lender` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use lender::Lender; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let n = 30 + rand::random::() % 80 + 45; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut r: RRBTree = (0..n).collect(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let n = 30 + rand::random::() % 80 + 45; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let i = rand::random::() % n as usize; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut r: RRBTree = (0..n).collect(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let i = rand::random::() % n as usize; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s [INFO] running `Command { std: "docker" "inspect" "2701ef623def5deddc0702cd21582fce6c3215607da10290682ecf1d186f2271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2701ef623def5deddc0702cd21582fce6c3215607da10290682ecf1d186f2271", kill_on_drop: false }` [INFO] [stdout] 2701ef623def5deddc0702cd21582fce6c3215607da10290682ecf1d186f2271