[INFO] cloning repository https://github.com/mattwparas/biased-rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattwparas/biased-rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Fbiased-rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Fbiased-rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f54ed305fa61ecf92faa58723f07b5de3316ec29
[INFO] checking mattwparas/biased-rc against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Fbiased-rc" "/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/mattwparas/biased-rc
[INFO] finished tweaking git repo https://github.com/mattwparas/biased-rc
[INFO] tweaked toml for git repo https://github.com/mattwparas/biased-rc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mattwparas/biased-rc on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mattwparas/biased-rc 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666
[INFO] running `Command { std: "docker" "start" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666", 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" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666", 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" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking biased-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[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: `Mutex`
[INFO] [stdout]   --> src/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::{LazyLock, Mutex};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[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: `Mutex`
[INFO] [stdout]   --> src/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::{LazyLock, Mutex};
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicOptionThreadId` is never constructed
[INFO] [stdout]   --> src/lib.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) struct AtomicOptionThreadId(core::sync::atomic::AtomicUsize);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn wrap(value: usize) -> Option<ThreadId> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unwrap` is never used
[INFO] [stdout]    --> src/lib.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 102 | const fn unwrap(value: Option<ThreadId>) -> usize {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `load`, `store`, and `store_if_none` are never used
[INFO] [stdout]    --> src/lib.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl AtomicOptionThreadId {
[INFO] [stdout]     | ------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub const fn new(id: Option<ThreadId>) -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn load(&self, order: Ordering) -> Option<ThreadId> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn store(&self, val: Option<ThreadId>, order: Ordering) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn store_if_none(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_unique_ref_old` is never used
[INFO] [stdout]    --> src/lib.rs:666:8
[INFO] [stdout]     |
[INFO] [stdout] 421 | impl<T: ?Sized> RcBox<T> {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 666 |     fn has_unique_ref_old(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_thread_registered` is never used
[INFO] [stdout]    --> src/lib.rs:793:8
[INFO] [stdout]     |
[INFO] [stdout] 792 | impl TypeMap {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 793 |     fn is_thread_registered(key: ThreadId) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `try_allocate_for_val` and `allocate_for_val` are never used
[INFO] [stdout]     --> src/lib.rs:1004:8
[INFO] [stdout]      |
[INFO] [stdout]  982 | impl<T: ?Sized> RcBox<T> {
[INFO] [stdout]      | ------------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1004 |     fn try_allocate_for_val(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 |     fn allocate_for_val(meta: RcWord, example: &T, zeroed: bool) -> NonNull<RcBox<T>> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicOptionThreadId` is never constructed
[INFO] [stdout]   --> src/lib.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub(crate) struct AtomicOptionThreadId(core::sync::atomic::AtomicUsize);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn wrap(value: usize) -> Option<ThreadId> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unwrap` is never used
[INFO] [stdout]    --> src/lib.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 102 | const fn unwrap(value: Option<ThreadId>) -> usize {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `load`, `store`, and `store_if_none` are never used
[INFO] [stdout]    --> src/lib.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl AtomicOptionThreadId {
[INFO] [stdout]     | ------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub const fn new(id: Option<ThreadId>) -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn load(&self, order: Ordering) -> Option<ThreadId> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn store(&self, val: Option<ThreadId>, order: Ordering) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn store_if_none(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_unique_ref_old` is never used
[INFO] [stdout]    --> src/lib.rs:666:8
[INFO] [stdout]     |
[INFO] [stdout] 421 | impl<T: ?Sized> RcBox<T> {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 666 |     fn has_unique_ref_old(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_thread_registered` is never used
[INFO] [stdout]    --> src/lib.rs:793:8
[INFO] [stdout]     |
[INFO] [stdout] 792 | impl TypeMap {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 793 |     fn is_thread_registered(key: ThreadId) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `try_allocate_for_val` and `allocate_for_val` are never used
[INFO] [stdout]     --> src/lib.rs:1004:8
[INFO] [stdout]      |
[INFO] [stdout]  982 | impl<T: ?Sized> RcBox<T> {
[INFO] [stdout]      | ------------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1004 |     fn try_allocate_for_val(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 |     fn allocate_for_val(meta: RcWord, example: &T, zeroed: bool) -> NonNull<RcBox<T>> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]     --> src/lib.rs:1973:8
[INFO] [stdout]      |
[INFO] [stdout] 1973 | struct Test(u8);
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666", kill_on_drop: false }`
[INFO] [stdout] cdecbe2912bd06712a78907f56b4fa584e0f99814e06e93a09a1c51424ace666
