[INFO] cloning repository https://github.com/Samonjourus/project2_rust_template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Samonjourus/project2_rust_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamonjourus%2Fproject2_rust_template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamonjourus%2Fproject2_rust_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d27298872b7b5a55905e1ee8955f1da87948078b
[INFO] checking Samonjourus/project2_rust_template against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamonjourus%2Fproject2_rust_template" "/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/Samonjourus/project2_rust_template
[INFO] finished tweaking git repo https://github.com/Samonjourus/project2_rust_template
[INFO] tweaked toml for git repo https://github.com/Samonjourus/project2_rust_template written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Samonjourus/project2_rust_template on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Samonjourus/project2_rust_template 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02d5150aecd42904ee9a01cf9c86ddac8692c67fc122ccdafa920e81b830d28e
[INFO] running `Command { std: "docker" "start" "-a" "02d5150aecd42904ee9a01cf9c86ddac8692c67fc122ccdafa920e81b830d28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d5150aecd42904ee9a01cf9c86ddac8692c67fc122ccdafa920e81b830d28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d5150aecd42904ee9a01cf9c86ddac8692c67fc122ccdafa920e81b830d28e", kill_on_drop: false }`
[INFO] [stdout] 02d5150aecd42904ee9a01cf9c86ddac8692c67fc122ccdafa920e81b830d28e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bb4fd39ee45959f34a98383a5b45d9f815ee69216452c3f700c108d082a5476
[INFO] running `Command { std: "docker" "start" "-a" "9bb4fd39ee45959f34a98383a5b45d9f815ee69216452c3f700c108d082a5476", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/file_parser/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(file_path: &str) -> FileParser {
[INFO] [stdout]   |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileParser` is never constructed
[INFO] [stdout]  --> src/file_parser/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct FileParser {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/file_parser/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl FileParser {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(file_path: &str) -> FileParser {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function` and `parameters` are never read
[INFO] [stdout]  --> src/file_parser/command.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Command {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 3 |     function: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     parameters: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MemoryManager` is never constructed
[INFO] [stdout]  --> src/memory_manager/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MemoryManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `free_handles`, and `allocated_handles` are never read
[INFO] [stdout]  --> src/memory_manager/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MemoryManager {
[INFO] [stdout]   |            ------------- fields in this struct
[INFO] [stdout] 7 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     free_handles: Vec<FreeBlock>,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 9 |     allocated_handles: Vec<AllocatedBlock>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `size`, and `id` are never read
[INFO] [stdout]  --> src/memory_manager/memory_block/allocated_block.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct AllocatedBlock {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 3 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     id: String,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `size` are never read
[INFO] [stdout]  --> src/memory_manager/memory_block/free_block.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FreeBlock {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/file_parser/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(file_path: &str) -> FileParser {
[INFO] [stdout]   |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileParser` is never constructed
[INFO] [stdout]  --> src/file_parser/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct FileParser {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/file_parser/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl FileParser {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(file_path: &str) -> FileParser {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function` and `parameters` are never read
[INFO] [stdout]  --> src/file_parser/command.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Command {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 3 |     function: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     parameters: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MemoryManager` is never constructed
[INFO] [stdout]  --> src/memory_manager/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MemoryManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `free_handles`, and `allocated_handles` are never read
[INFO] [stdout]  --> src/memory_manager/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MemoryManager {
[INFO] [stdout]   |            ------------- fields in this struct
[INFO] [stdout] 7 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     free_handles: Vec<FreeBlock>,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 9 |     allocated_handles: Vec<AllocatedBlock>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `size`, and `id` are never read
[INFO] [stdout]  --> src/memory_manager/memory_block/allocated_block.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct AllocatedBlock {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 3 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     id: String,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `size` are never read
[INFO] [stdout]  --> src/memory_manager/memory_block/free_block.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FreeBlock {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     start: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_template` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_template` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9bb4fd39ee45959f34a98383a5b45d9f815ee69216452c3f700c108d082a5476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb4fd39ee45959f34a98383a5b45d9f815ee69216452c3f700c108d082a5476", kill_on_drop: false }`
[INFO] [stdout] 9bb4fd39ee45959f34a98383a5b45d9f815ee69216452c3f700c108d082a5476
