[INFO] cloning repository https://github.com/elegacorp/elega_core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elegacorp/elega_core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felegacorp%2Felega_core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felegacorp%2Felega_core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf0907ebaf0aca0c0802586b8ff8085eef438293
[INFO] checking elegacorp/elega_core against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felegacorp%2Felega_core" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elegacorp/elega_core
[INFO] finished tweaking git repo https://github.com/elegacorp/elega_core
[INFO] tweaked toml for git repo https://github.com/elegacorp/elega_core written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elegacorp/elega_core on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elegacorp/elega_core 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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "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 libc v0.2.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5c0bed5a53642d4929c2debe6044ec2bab33b01180861a93296fc9ddbe1b35e
[INFO] running `Command { std: "docker" "start" "-a" "a5c0bed5a53642d4929c2debe6044ec2bab33b01180861a93296fc9ddbe1b35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5c0bed5a53642d4929c2debe6044ec2bab33b01180861a93296fc9ddbe1b35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c0bed5a53642d4929c2debe6044ec2bab33b01180861a93296fc9ddbe1b35e", kill_on_drop: false }`
[INFO] [stdout] a5c0bed5a53642d4929c2debe6044ec2bab33b01180861a93296fc9ddbe1b35e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4dd9f14e116541def83a3ac8266c9190a37cf7697606a14ace51568154bb196
[INFO] running `Command { std: "docker" "start" "-a" "d4dd9f14e116541def83a3ac8266c9190a37cf7697606a14ace51568154bb196", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking elega_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant, Duration};
[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: `std::path::Path`
[INFO] [stdout]   --> src/common.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_dir as current_directory`
[INFO] [stdout]   --> src/common.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use std::env::current_dir as current_directory;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `string_merge`
[INFO] [stdout]   --> src/common.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 | macro_rules! string_merge {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant, Duration};
[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: `std::path::Path`
[INFO] [stdout]   --> src/common.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_dir as current_directory`
[INFO] [stdout]   --> src/common.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use std::env::current_dir as current_directory;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `string_merge`
[INFO] [stdout]   --> src/common.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 | macro_rules! string_merge {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project_directory_create_init`
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let project_directory_create_init = file_system::create_dir(project_path).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project_directory_create_init`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_HEAPBLOCK_SIZE` is never used
[INFO] [stdout]   --> src/common.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const DEFAULT_HEAPBLOCK_SIZE: usize = 40960000; // 40.96MB
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log_error` and `log_verbose` are never used
[INFO] [stdout]    --> src/common.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Logger
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn log_error(&mut self, message: &str)
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn log_verbose(&mut self, message: &str)
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapStorageBlock` is never constructed
[INFO] [stdout]    --> src/common.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub struct HeapStorageBlock
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `bump`, `add_byte`, and `add_byte_vec` are never used
[INFO] [stdout]    --> src/common.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl HeapStorageBlock
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 187 | {
[INFO] [stdout] 188 |     pub fn new() -> HeapStorageBlock
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn bump(&mut self)
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn add_byte(&mut self, data_being_added: &u8) -> usize
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     pub fn add_byte_vec(&mut self, data_being_added: &Vec<u8>) -> usize
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> src/common.rs:231:6
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct Allocator
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 231 |     pub data: [u8; DEFAULT_ALLOCATOR_SIZE],
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_byte` is never used
[INFO] [stdout]    --> src/common.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl TemporaryStorage
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn add_byte(&mut self, data_being_added: &u8) -> usize
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project_directory_create_init`
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let project_directory_create_init = file_system::create_dir(project_path).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project_directory_create_init`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_HEAPBLOCK_SIZE` is never used
[INFO] [stdout]   --> src/common.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const DEFAULT_HEAPBLOCK_SIZE: usize = 40960000; // 40.96MB
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log_error` and `log_verbose` are never used
[INFO] [stdout]    --> src/common.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Logger
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn log_error(&mut self, message: &str)
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn log_verbose(&mut self, message: &str)
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapStorageBlock` is never constructed
[INFO] [stdout]    --> src/common.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub struct HeapStorageBlock
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `bump`, `add_byte`, and `add_byte_vec` are never used
[INFO] [stdout]    --> src/common.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl HeapStorageBlock
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 187 | {
[INFO] [stdout] 188 |     pub fn new() -> HeapStorageBlock
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn bump(&mut self)
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn add_byte(&mut self, data_being_added: &u8) -> usize
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     pub fn add_byte_vec(&mut self, data_being_added: &Vec<u8>) -> usize
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> src/common.rs:231:6
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct Allocator
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 231 |     pub data: [u8; DEFAULT_ALLOCATOR_SIZE],
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_byte` is never used
[INFO] [stdout]    --> src/common.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl TemporaryStorage
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn add_byte(&mut self, data_being_added: &u8) -> usize
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:121:3
[INFO] [stdout]     |
[INFO] [stdout] 121 |         file_system::copy(path_as_string, copy_to_path);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = file_system::copy(path_as_string, copy_to_path);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common.rs:174:3
[INFO] [stdout]     |
[INFO] [stdout] 174 |         filesystem::write(&self.file_path, log_file_content);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let _ = filesystem::write(&self.file_path, log_file_content);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:121:3
[INFO] [stdout]     |
[INFO] [stdout] 121 |         file_system::copy(path_as_string, copy_to_path);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = file_system::copy(path_as_string, copy_to_path);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common.rs:174:3
[INFO] [stdout]     |
[INFO] [stdout] 174 |         filesystem::write(&self.file_path, log_file_content);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let _ = filesystem::write(&self.file_path, log_file_content);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "d4dd9f14e116541def83a3ac8266c9190a37cf7697606a14ace51568154bb196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4dd9f14e116541def83a3ac8266c9190a37cf7697606a14ace51568154bb196", kill_on_drop: false }`
[INFO] [stdout] d4dd9f14e116541def83a3ac8266c9190a37cf7697606a14ace51568154bb196
