[INFO] cloning repository https://github.com/AtomiCatalyst/rust_malloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AtomiCatalyst/rust_malloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtomiCatalyst%2Frust_malloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtomiCatalyst%2Frust_malloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 762ed8d987ad350ba96d8b379bfa82e0153ac475
[INFO] checking AtomiCatalyst/rust_malloc against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtomiCatalyst%2Frust_malloc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AtomiCatalyst/rust_malloc
[INFO] finished tweaking git repo https://github.com/AtomiCatalyst/rust_malloc
[INFO] tweaked toml for git repo https://github.com/AtomiCatalyst/rust_malloc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AtomiCatalyst/rust_malloc on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AtomiCatalyst/rust_malloc 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7
[INFO] running `Command { std: "docker" "start" "99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking rust_malloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ERR_BAD_ARGUMENTS` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         ERR_BAD_ARGUMENTS,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrBadArguments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_SYSCALL_FAILED` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ERR_SYSCALL_FAILED,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrSyscallFailed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_UNINITIALIZED` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         ERR_UNINITIALIZED,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrUninitialized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_OUT_OF_MEMORY` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         ERR_OUT_OF_MEMORY
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrOutOfMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node_t` should have an upper camel case name
[INFO] [stdout]  --> src/node.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Node_t<'a> {
[INFO] [stdout]   |                ^^^^^^ help: convert the identifier to upper camel case: `NodeT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_BAD_ARGUMENTS` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         ERR_BAD_ARGUMENTS,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrBadArguments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_SYSCALL_FAILED` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ERR_SYSCALL_FAILED,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrSyscallFailed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_UNINITIALIZED` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         ERR_UNINITIALIZED,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrUninitialized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ERR_OUT_OF_MEMORY` should have an upper camel case name
[INFO] [stdout]  --> src/errors.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         ERR_OUT_OF_MEMORY
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ErrOutOfMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node_t` should have an upper camel case name
[INFO] [stdout]  --> src/node.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Node_t<'a> {
[INFO] [stdout]   |                ^^^^^^ help: convert the identifier to upper camel case: `NodeT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ERR_UNINITIALIZED` and `ERR_OUT_OF_MEMORY` are never constructed
[INFO] [stdout]  --> src/errors.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub enum ErrorType {
[INFO] [stdout]   |              --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |         ERR_UNINITIALIZED,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |         ERR_OUT_OF_MEMORY
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size`, `is_free`, `fwd`, and `bwd` are never read
[INFO] [stdout]  --> src/node.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Node_t<'a> {
[INFO] [stdout]   |                ------ fields in this struct
[INFO] [stdout] 4 |         pub size: usize,
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 5 |         pub is_free: bool,
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 6 |         pub fwd: Option<&'a Node_t<'a>>,
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 7 |         pub bwd: Option<&'a Node_t<'a>>
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node_t` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         drop(self.arena_ptr) //calls into function and then drops itself
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `*mut u8`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Error` should have a snake case name
[INFO] [stdout]  --> src/errors.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod Error {
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ERR_UNINITIALIZED` and `ERR_OUT_OF_MEMORY` are never constructed
[INFO] [stdout]  --> src/errors.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub enum ErrorType {
[INFO] [stdout]   |              --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |         ERR_UNINITIALIZED,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |         ERR_OUT_OF_MEMORY
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size`, `is_free`, `fwd`, and `bwd` are never read
[INFO] [stdout]  --> src/node.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Node_t<'a> {
[INFO] [stdout]   |                ------ fields in this struct
[INFO] [stdout] 4 |         pub size: usize,
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 5 |         pub is_free: bool,
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 6 |         pub fwd: Option<&'a Node_t<'a>>,
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 7 |         pub bwd: Option<&'a Node_t<'a>>
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node_t` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         drop(self.arena_ptr) //calls into function and then drops itself
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `*mut u8`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Error` should have a snake case name
[INFO] [stdout]  --> src/errors.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod Error {
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7", kill_on_drop: false }`
[INFO] [stdout] 99e8fd8f4b6b93ab210a04331777db0be0a9710802f5b6ce7207f6ddefddb2b7
