[INFO] cloning repository https://github.com/SmallzooDev/rust_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SmallzooDev/rust_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmallzooDev%2Frust_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmallzooDev%2Frust_algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f625de86a3b18b481b26d1da2bdeb5e1df55af7b [INFO] checking SmallzooDev/rust_algorithms against try#b8ee37b59c6e1f39bae18b85e057975ab0d89308 for pr-139587-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmallzooDev%2Frust_algorithms" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SmallzooDev/rust_algorithms on toolchain b8ee37b59c6e1f39bae18b85e057975ab0d89308 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SmallzooDev/rust_algorithms [INFO] finished tweaking git repo https://github.com/SmallzooDev/rust_algorithms [INFO] tweaked toml for git repo https://github.com/SmallzooDev/rust_algorithms written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/SmallzooDev/rust_algorithms 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" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7d7be40a40cb0117ec2d2c3b66747f8774c1c631c8e758086e0df9583eb3838 [INFO] running `Command { std: "docker" "start" "-a" "b7d7be40a40cb0117ec2d2c3b66747f8774c1c631c8e758086e0df9583eb3838", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7d7be40a40cb0117ec2d2c3b66747f8774c1c631c8e758086e0df9583eb3838", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7d7be40a40cb0117ec2d2c3b66747f8774c1c631c8e758086e0df9583eb3838", kill_on_drop: false }` [INFO] [stdout] b7d7be40a40cb0117ec2d2c3b66747f8774c1c631c8e758086e0df9583eb3838 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a177407fe9881ee2559204811fceeb5142fd3a952dcffa31e74dd4a01095e94 [INFO] running `Command { std: "docker" "start" "-a" "7a177407fe9881ee2559204811fceeb5142fd3a952dcffa31e74dd4a01095e94", kill_on_drop: false }` [INFO] [stderr] Checking queue v0.1.0 (/opt/rustwide/workdir/data_structures/queue) [INFO] [stderr] Checking stack v0.1.0 (/opt/rustwide/workdir/data_structures/stack) [INFO] [stderr] Checking b_plus_tree v0.1.0 (/opt/rustwide/workdir/data_structures/tree/b_plus_tree) [INFO] [stdout] warning: field `order` is never read [INFO] [stdout] --> data_structures/tree/b_plus_tree/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct BPlusTree { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 5 | root: Option>>, [INFO] [stdout] 6 | order: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `next_leaf` is never read [INFO] [stdout] --> data_structures/tree/b_plus_tree/src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | next_leaf: Option>>>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new_leaf` and `new_internal` are never used [INFO] [stdout] --> data_structures/tree/b_plus_tree/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Node { [INFO] [stdout] | -------------------------- associated functions in this implementation [INFO] [stdout] 18 | fn new_leaf() -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn new_internal() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `order` is never read [INFO] [stdout] --> data_structures/tree/b_plus_tree/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct BPlusTree { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 5 | root: Option>>, [INFO] [stdout] 6 | order: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `next_leaf` is never read [INFO] [stdout] --> data_structures/tree/b_plus_tree/src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | next_leaf: Option>>>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> examples/b_plus_tree.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let tree: BPlusTree = BPlusTree::new(3); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "7a177407fe9881ee2559204811fceeb5142fd3a952dcffa31e74dd4a01095e94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a177407fe9881ee2559204811fceeb5142fd3a952dcffa31e74dd4a01095e94", kill_on_drop: false }` [INFO] [stdout] 7a177407fe9881ee2559204811fceeb5142fd3a952dcffa31e74dd4a01095e94