[INFO] cloning repository https://github.com/tcaputi/rust-bplus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcaputi/rust-bplus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 152425b3cb422f8e83ed76b8a4af6ff2c6e9f5d1 [INFO] checking tcaputi/rust-bplus against master#74c3f5a146860c94ff4d179fc3bfa34f879adf41 for pr-120248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcaputi/rust-bplus on toolchain 74c3f5a146860c94ff4d179fc3bfa34f879adf41 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tcaputi/rust-bplus [INFO] finished tweaking git repo https://github.com/tcaputi/rust-bplus [INFO] tweaked toml for git repo https://github.com/tcaputi/rust-bplus written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tcaputi/rust-bplus 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" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking tcaputi/rust-bplus against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcaputi/rust-bplus on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tcaputi/rust-bplus [INFO] finished tweaking git repo https://github.com/tcaputi/rust-bplus [INFO] tweaked toml for git repo https://github.com/tcaputi/rust-bplus written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tcaputi/rust-bplus 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ca97956553280ec4fa5b06cc27a198ab3eb77f4bcb8b1217b5e50f3596a7335 [INFO] running `Command { std: "docker" "start" "-a" "0ca97956553280ec4fa5b06cc27a198ab3eb77f4bcb8b1217b5e50f3596a7335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ca97956553280ec4fa5b06cc27a198ab3eb77f4bcb8b1217b5e50f3596a7335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ca97956553280ec4fa5b06cc27a198ab3eb77f4bcb8b1217b5e50f3596a7335", kill_on_drop: false }` [INFO] [stdout] 0ca97956553280ec4fa5b06cc27a198ab3eb77f4bcb8b1217b5e50f3596a7335 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d727563f5f47b8621a31cd4bba2f0f5df315623140def747832daf767a3364d [INFO] running `Command { std: "docker" "start" "-a" "1d727563f5f47b8621a31cd4bba2f0f5df315623140def747832daf767a3364d", kill_on_drop: false }` [INFO] [stderr] Checking bplus_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `interior` [INFO] [stdout] --> src/main.rs:78:49 [INFO] [stdout] | [INFO] [stdout] 78 | BPlusNode::Interior(ref mut interior) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interior` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interior` [INFO] [stdout] --> src/main.rs:78:49 [INFO] [stdout] | [INFO] [stdout] 78 | BPlusNode::Interior(ref mut interior) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interior` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | let mut node = Rc::get_mut(node_rc).unwrap(); /* unwrap the Rc */ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | let mut node = Rc::get_mut(node_rc).unwrap(); /* unwrap the Rc */ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let tree: BPlusTree = BPlusTree::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let tree: BPlusTree = BPlusTree::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `parent`, `keys`, and `values` are never read [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct BPlusLeaf { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 17 | parent: Option>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 18 | keys: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | values: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `parent`, `keys`, and `values` are never read [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct BPlusLeaf { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 17 | parent: Option>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 18 | keys: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | values: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `parent`, `keys`, and `children` are never read [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | struct BPlusInterior { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 30 | parent: Option>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 31 | keys: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 32 | children: Vec>> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Leaf` and `Interior` are never constructed [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | enum BPlusNode { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 40 | Leaf(BPlusLeaf), [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | Interior(BPlusInterior) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | struct BPlusTree { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 50 | root: Option>> [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `parent`, `keys`, and `children` are never read [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | struct BPlusInterior { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 30 | parent: Option>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 31 | keys: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 32 | children: Vec>> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `insert` is never used [INFO] [stdout] --> src/main.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 53 | impl BPlusTree { [INFO] [stdout] | -------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 59 | fn insert(&mut self, key: &K, value: &V) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 97 | struct TestData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 98 | data: [u64; 4], [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Leaf` and `Interior` are never constructed [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | enum BPlusNode { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 40 | Leaf(BPlusLeaf), [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | Interior(BPlusInterior) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | struct BPlusTree { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 50 | root: Option>> [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `insert` is never used [INFO] [stdout] --> src/main.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 53 | impl BPlusTree { [INFO] [stdout] | -------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 59 | fn insert(&mut self, key: &K, value: &V) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 97 | struct TestData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 98 | data: [u64; 4], [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "1d727563f5f47b8621a31cd4bba2f0f5df315623140def747832daf767a3364d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d727563f5f47b8621a31cd4bba2f0f5df315623140def747832daf767a3364d", kill_on_drop: false }` [INFO] [stdout] 1d727563f5f47b8621a31cd4bba2f0f5df315623140def747832daf767a3364d