[INFO] cloning repository https://github.com/JackTan25/Art-Tree-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackTan25/Art-Tree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackTan25%2FArt-Tree-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackTan25%2FArt-Tree-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 914cdd7f5c7854a8d86e8b4db4e471be44ff1cee
[INFO] checking JackTan25/Art-Tree-rs against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackTan25%2FArt-Tree-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JackTan25/Art-Tree-rs
[INFO] finished tweaking git repo https://github.com/JackTan25/Art-Tree-rs
[INFO] tweaked toml for git repo https://github.com/JackTan25/Art-Tree-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JackTan25/Art-Tree-rs on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JackTan25/Art-Tree-rs 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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded serde_derive v1.0.188
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded serde v1.0.188
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15d84256a5ede18377458e958533b67b65ff0e0a8cca5dd257d578a461c9bd9
[INFO] running `Command { std: "docker" "start" "-a" "a15d84256a5ede18377458e958533b67b65ff0e0a8cca5dd257d578a461c9bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15d84256a5ede18377458e958533b67b65ff0e0a8cca5dd257d578a461c9bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15d84256a5ede18377458e958533b67b65ff0e0a8cca5dd257d578a461c9bd9", kill_on_drop: false }`
[INFO] [stdout] a15d84256a5ede18377458e958533b67b65ff0e0a8cca5dd257d578a461c9bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c038dbed8eb79237637776348cf2f6973c3defa9f1608f43f221166fec90a88
[INFO] running `Command { std: "docker" "start" "-a" "3c038dbed8eb79237637776348cf2f6973c3defa9f1608f43f221166fec90a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking art-tree-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error::Errors`
[INFO] [stdout]   --> src/errors/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use error::Errors;
[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: `error::Result`
[INFO] [stdout]   --> src/errors/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use error::Result;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art_key`
[INFO] [stdout]   --> src/art.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn insert_internal(&mut self, art_key: ArtKey, values: Bytes) {}
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_art_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/art.rs:48:52
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn insert_internal(&mut self, art_key: ArtKey, values: Bytes) {}
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert_internal` is never used
[INFO] [stdout]   --> src/art.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Art {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 48 |     fn insert_internal(&mut self, art_key: ArtKey, values: Bytes) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHIFT_OFFSET` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | static SHIFT_OFFSET: u64 = 32;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHIFT_METADATA` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | static SHIFT_METADATA: u64 = 56;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `AND_OFFSET` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | static AND_OFFSET: u64 = 0x0000000000FFFFFF;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `AND_BUFFER_ID` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | static AND_BUFFER_ID: u64 = 0x00000000FFFFFFFF;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `AND_METADATA` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | static AND_METADATA: u64 = 0xFF00000000000000;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IndexPointer` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait IndexPointer {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/index/nodes/node.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 32 |     data: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Errors`
[INFO] [stdout]   --> src/errors/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use error::Errors;
[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: `error::Result`
[INFO] [stdout]   --> src/errors/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use error::Result;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art_key`
[INFO] [stdout]   --> src/art.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn insert_internal(&mut self, art_key: ArtKey, values: Bytes) {}
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_art_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/art.rs:48:52
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn insert_internal(&mut self, art_key: ArtKey, values: Bytes) {}
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert_internal` is never used
[INFO] [stdout]   --> src/art.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Art {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 48 |     fn insert_internal(&mut self, art_key: ArtKey, values: Bytes) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHIFT_OFFSET` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | static SHIFT_OFFSET: u64 = 32;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHIFT_METADATA` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | static SHIFT_METADATA: u64 = 56;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `AND_OFFSET` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | static AND_OFFSET: u64 = 0x0000000000FFFFFF;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `AND_BUFFER_ID` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | static AND_BUFFER_ID: u64 = 0x00000000FFFFFFFF;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `AND_METADATA` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | static AND_METADATA: u64 = 0xFF00000000000000;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IndexPointer` is never used
[INFO] [stdout]   --> src/index/index_pointer.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait IndexPointer {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/index/nodes/node.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 32 |     data: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "3c038dbed8eb79237637776348cf2f6973c3defa9f1608f43f221166fec90a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c038dbed8eb79237637776348cf2f6973c3defa9f1608f43f221166fec90a88", kill_on_drop: false }`
[INFO] [stdout] 3c038dbed8eb79237637776348cf2f6973c3defa9f1608f43f221166fec90a88