[INFO] fetching crate subgraphdb 0.2.0...
[INFO] building subgraphdb-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate subgraphdb 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate subgraphdb 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate subgraphdb 0.2.0
[INFO] tweaked toml for crates.io crate subgraphdb 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate subgraphdb 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate subgraphdb 0.2.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 810198f1984cca19aec93eb0a6bf7482ee1e47d88637deac68411d72472e9db1
[INFO] running `Command { std: "docker" "start" "-a" "810198f1984cca19aec93eb0a6bf7482ee1e47d88637deac68411d72472e9db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810198f1984cca19aec93eb0a6bf7482ee1e47d88637deac68411d72472e9db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810198f1984cca19aec93eb0a6bf7482ee1e47d88637deac68411d72472e9db1", kill_on_drop: false }`
[INFO] [stdout] 810198f1984cca19aec93eb0a6bf7482ee1e47d88637deac68411d72472e9db1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1f5e6d92a75be11771a280cd656c0f403f5d804aff571332475b92b1ad56b5
[INFO] running `Command { std: "docker" "start" "-a" "8a1f5e6d92a75be11771a280cd656c0f403f5d804aff571332475b92b1ad56b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling subgraphdb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FileMode`, `default_im_config`, and `default_mf_config`
[INFO] [stdout]  --> src/sdb/mod.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::sdb_config::{ SDBConfiguration, FileMode, default_im_config, default_sf_config, default_mf_config };
[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: `UUID`
[INFO] [stdout]  --> src/executor/core_planner/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::datagramv2::grams::{ UUID, Label };
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:368:7
[INFO] [stdout]     |
[INFO] [stdout] 368 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::metadata`
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:369:7
[INFO] [stdout]     |
[INFO] [stdout] 369 |   use std::fs::metadata;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::LABEL_BYTES`
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:370:7
[INFO] [stdout]     |
[INFO] [stdout] 370 |   use crate::common::LABEL_BYTES;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cli/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let path = PathBuf::from( arg );
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `planner`
[INFO] [stdout]    --> src/executor/writer/core/mod.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |   pub fn write_properties ( planner: &WriteNewGraphPlanner, writer: &mut BufWriter<File> ) -> Result<bool, String> 
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_planner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/executor/writer/core/mod.rs:126:61
[INFO] [stdout]     |
[INFO] [stdout] 126 |   pub fn write_properties ( planner: &WriteNewGraphPlanner, writer: &mut BufWriter<File> ) -> Result<bool, String> 
[INFO] [stdout]     |                                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> src/executor/writer/new_graph/mod.rs:217:43
[INFO] [stdout]     |
[INFO] [stdout] 217 |   pub fn validate_edge_statement ( &self, stmt: &EdgeStatement, curr_query_order: u16 ) -> Option<(UUID, UUID)> 
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `init_mf` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let mut init_mf: bool = false;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_init_mf` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nickname` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let mut nickname: Option<String> = None;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_nickname` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `init_mf` is never read
[INFO] [stdout]   --> src/lib.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ArgTwoAction::CreateMultiFile => init_mf = true,
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nickname` is never read
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     ArgThreeAction::IsNickname => nickname = std::env::args().nth( 3 ),
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let mut input_path_exists: bool = false;
[INFO] [stdout]    |       ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `VERSION` is never used
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | static VERSION: &'static str = "0.1.0-01faaa5ed951";
[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 `BUILD_UUID` is never used
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | static BUILD_UUID: &'static str = "7a402309-36a0-4120-a23b-01faaa5ed951";
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn main() 
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ARG_NOT_FOUND` is never used
[INFO] [stdout]  --> src/cli/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static ARG_NOT_FOUND: &'static str = "::arg_not_found";
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHOW_FULL_HELP` is never used
[INFO] [stdout]  --> src/cli/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static SHOW_FULL_HELP: &'static str = "::show_full_help";
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CHECK_PATH` is never used
[INFO] [stdout]  --> src/cli/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static CHECK_PATH: &'static str = "::check_path";
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_full_help` is never used
[INFO] [stdout]    --> src/cli/mod.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn show_full_help () 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMatchExecutor` is never constructed
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SimpleMatchExecutor<'a> 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl SimpleMatchExecutor<'_>
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 25 | {
[INFO] [stdout] 26 |   pub fn new<'a> ( t: &'a Transaction, path: &'a str, page_size: usize ) -> SimpleMatchExecutor<'a>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |   const PAGE_SIZE: usize = 4096;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/executor/core_planner/mod.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn new ( path: String, graph_name: &Label ) -> WriteNewGraphPlanner
[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] 57 |   pub fn new ( path: String, graph_name: &Label ) -> WriteNewGraphPlanner<'_>
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "8a1f5e6d92a75be11771a280cd656c0f403f5d804aff571332475b92b1ad56b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1f5e6d92a75be11771a280cd656c0f403f5d804aff571332475b92b1ad56b5", kill_on_drop: false }`
[INFO] [stdout] 8a1f5e6d92a75be11771a280cd656c0f403f5d804aff571332475b92b1ad56b5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e8f2fb6d1591c322a683651c8c72d192313da1cf400339c3fc10633b344b02
[INFO] running `Command { std: "docker" "start" "-a" "48e8f2fb6d1591c322a683651c8c72d192313da1cf400339c3fc10633b344b02", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `FileMode`, `default_im_config`, and `default_mf_config`
[INFO] [stdout]  --> src/sdb/mod.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::sdb_config::{ SDBConfiguration, FileMode, default_im_config, default_sf_config, default_mf_config };
[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: `UUID`
[INFO] [stdout]  --> src/executor/core_planner/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::datagramv2::grams::{ UUID, Label };
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:368:7
[INFO] [stdout]     |
[INFO] [stdout] 368 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::metadata`
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:369:7
[INFO] [stdout]     |
[INFO] [stdout] 369 |   use std::fs::metadata;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::LABEL_BYTES`
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:370:7
[INFO] [stdout]     |
[INFO] [stdout] 370 |   use crate::common::LABEL_BYTES;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling subgraphdb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cli/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let path = PathBuf::from( arg );
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `planner`
[INFO] [stdout]    --> src/executor/writer/core/mod.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |   pub fn write_properties ( planner: &WriteNewGraphPlanner, writer: &mut BufWriter<File> ) -> Result<bool, String> 
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_planner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/executor/writer/core/mod.rs:126:61
[INFO] [stdout]     |
[INFO] [stdout] 126 |   pub fn write_properties ( planner: &WriteNewGraphPlanner, writer: &mut BufWriter<File> ) -> Result<bool, String> 
[INFO] [stdout]     |                                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> src/executor/writer/new_graph/mod.rs:217:43
[INFO] [stdout]     |
[INFO] [stdout] 217 |   pub fn validate_edge_statement ( &self, stmt: &EdgeStatement, curr_query_order: u16 ) -> Option<(UUID, UUID)> 
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `init_mf` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let mut init_mf: bool = false;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_init_mf` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nickname` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let mut nickname: Option<String> = None;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_nickname` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `init_mf` is never read
[INFO] [stdout]   --> src/lib.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ArgTwoAction::CreateMultiFile => init_mf = true,
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nickname` is never read
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     ArgThreeAction::IsNickname => nickname = std::env::args().nth( 3 ),
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let mut input_path_exists: bool = false;
[INFO] [stdout]    |       ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `VERSION` is never used
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | static VERSION: &'static str = "0.1.0-01faaa5ed951";
[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 `BUILD_UUID` is never used
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | static BUILD_UUID: &'static str = "7a402309-36a0-4120-a23b-01faaa5ed951";
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn main() 
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ARG_NOT_FOUND` is never used
[INFO] [stdout]  --> src/cli/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static ARG_NOT_FOUND: &'static str = "::arg_not_found";
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHOW_FULL_HELP` is never used
[INFO] [stdout]  --> src/cli/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static SHOW_FULL_HELP: &'static str = "::show_full_help";
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CHECK_PATH` is never used
[INFO] [stdout]  --> src/cli/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static CHECK_PATH: &'static str = "::check_path";
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_full_help` is never used
[INFO] [stdout]    --> src/cli/mod.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn show_full_help () 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMatchExecutor` is never constructed
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SimpleMatchExecutor<'a> 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl SimpleMatchExecutor<'_>
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 25 | {
[INFO] [stdout] 26 |   pub fn new<'a> ( t: &'a Transaction, path: &'a str, page_size: usize ) -> SimpleMatchExecutor<'a>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]    --> src/executor/core_planner/mod.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |   const PAGE_SIZE: usize = 4096;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/executor/core_planner/mod.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn new ( path: String, graph_name: &Label ) -> WriteNewGraphPlanner
[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] 57 |   pub fn new ( path: String, graph_name: &Label ) -> WriteNewGraphPlanner<'_>
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FileMode`, `default_im_config`, and `default_mf_config`
[INFO] [stdout]  --> src/sdb/mod.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::sdb_config::{ SDBConfiguration, FileMode, default_im_config, default_sf_config, default_mf_config };
[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: `super::*`
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |   use super::*;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/executor/writer/update_graph/mod.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 |   use super::*;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UUID`
[INFO] [stdout]  --> src/executor/core_planner/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::datagramv2::grams::{ UUID, Label };
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cli/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let path = PathBuf::from( arg );
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]    --> src/cmd/transaction/mod.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let transaction: Transaction = Transaction::new( build_id_res.unwrap(), db_nickname_res.unwrap(), 0 );
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]    --> src/cmd/transaction/mod.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut transaction: Transaction = Transaction::new( build_id_res.unwrap(), db_nickname_res.unwrap(), 0 );
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cmd/transaction/mod.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut transaction: Transaction = Transaction::new( build_id_res.unwrap(), db_nickname_res.unwrap(), 0 );
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `planner`
[INFO] [stdout]    --> src/executor/writer/core/mod.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |   pub fn write_properties ( planner: &WriteNewGraphPlanner, writer: &mut BufWriter<File> ) -> Result<bool, String> 
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_planner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/executor/writer/core/mod.rs:126:61
[INFO] [stdout]     |
[INFO] [stdout] 126 |   pub fn write_properties ( planner: &WriteNewGraphPlanner, writer: &mut BufWriter<File> ) -> Result<bool, String> 
[INFO] [stdout]     |                                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> src/executor/writer/new_graph/mod.rs:217:43
[INFO] [stdout]     |
[INFO] [stdout] 217 |   pub fn validate_edge_statement ( &self, stmt: &EdgeStatement, curr_query_order: u16 ) -> Option<(UUID, UUID)> 
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `init_mf` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |   let mut init_mf: bool = false;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_init_mf` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nickname` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let mut nickname: Option<String> = None;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_nickname` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `init_mf` is never read
[INFO] [stdout]   --> src/lib.rs:60:38
[INFO] [stdout]    |
[INFO] [stdout] 60 |     ArgTwoAction::CreateMultiFile => init_mf = true,
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nickname` is never read
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     ArgThreeAction::IsNickname => nickname = std::env::args().nth( 3 ),
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let mut input_path_exists: bool = false;
[INFO] [stdout]    |       ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `VERSION` is never used
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | static VERSION: &'static str = "0.1.0-01faaa5ed951";
[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 `BUILD_UUID` is never used
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | static BUILD_UUID: &'static str = "7a402309-36a0-4120-a23b-01faaa5ed951";
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ARG_NOT_FOUND` is never used
[INFO] [stdout]  --> src/cli/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static ARG_NOT_FOUND: &'static str = "::arg_not_found";
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHOW_FULL_HELP` is never used
[INFO] [stdout]  --> src/cli/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static SHOW_FULL_HELP: &'static str = "::show_full_help";
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CHECK_PATH` is never used
[INFO] [stdout]  --> src/cli/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static CHECK_PATH: &'static str = "::check_path";
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_full_help` is never used
[INFO] [stdout]    --> src/cli/mod.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn show_full_help () 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMatchExecutor` is never constructed
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SimpleMatchExecutor<'a> 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/executor/reader/simple_match/mod.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl SimpleMatchExecutor<'_>
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 25 | {
[INFO] [stdout] 26 |   pub fn new<'a> ( t: &'a Transaction, path: &'a str, page_size: usize ) -> SimpleMatchExecutor<'a>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/executor/core_planner/mod.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn new ( path: String, graph_name: &Label ) -> WriteNewGraphPlanner
[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] 57 |   pub fn new ( path: String, graph_name: &Label ) -> WriteNewGraphPlanner<'_>
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "48e8f2fb6d1591c322a683651c8c72d192313da1cf400339c3fc10633b344b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e8f2fb6d1591c322a683651c8c72d192313da1cf400339c3fc10633b344b02", kill_on_drop: false }`
[INFO] [stdout] 48e8f2fb6d1591c322a683651c8c72d192313da1cf400339c3fc10633b344b02