[INFO] cloning repository https://github.com/PolymagicYang/rust-toylock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PolymagicYang/rust-toylock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolymagicYang%2Frust-toylock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolymagicYang%2Frust-toylock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c53fbdb26dfe3854d9488cdd0cddd9aebe07746
[INFO] checking PolymagicYang/rust-toylock against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolymagicYang%2Frust-toylock" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PolymagicYang/rust-toylock on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PolymagicYang/rust-toylock
[INFO] finished tweaking git repo https://github.com/PolymagicYang/rust-toylock
[INFO] tweaked toml for git repo https://github.com/PolymagicYang/rust-toylock written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9b246178aaec1937648c7263f30ae2106dd300f53d1e5fc9767219d4af7130
[INFO] running `Command { std: "docker" "start" "-a" "9e9b246178aaec1937648c7263f30ae2106dd300f53d1e5fc9767219d4af7130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9b246178aaec1937648c7263f30ae2106dd300f53d1e5fc9767219d4af7130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b246178aaec1937648c7263f30ae2106dd300f53d1e5fc9767219d4af7130", kill_on_drop: false }`
[INFO] [stdout] 9e9b246178aaec1937648c7263f30ae2106dd300f53d1e5fc9767219d4af7130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9477df07240f731cd5a5f6d4db362f7c9782464bd8628f7413d85ef6afbd7a
[INFO] running `Command { std: "docker" "start" "-a" "1f9477df07240f731cd5a5f6d4db362f7c9782464bd8628f7413d85ef6afbd7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking rust-toylock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]  --> src/spin_lock.rs:3:52
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{sync::{atomic::{ AtomicBool, Ordering }, Arc}, ops::{Deref, DerefMut}, cell::UnsafeCell};
[INFO] [stdout]   |                                                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `self`, `time::Duration`
[INFO] [stdout]  --> src/ticket_lock.rs:9:92
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{sync::atomic::{AtomicUsize, Ordering}, cell::UnsafeCell, ops::DerefMut, thread::{self, JoinHandle}, time::Duration};
[INFO] [stdout]   |                                                                                            ^^^^  ^^^^^^^^^^   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time::Duration`
[INFO] [stdout]  --> src/CLH_lock.rs:5:80
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{sync::atomic::{ AtomicBool, AtomicPtr, Ordering }, cell::UnsafeCell, thread, ops::{Deref, DerefMut}, time::Duration};
[INFO] [stdout]   |                                                                                ^^^^^^                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinHandle`
[INFO] [stdout]  --> src/ticket_lock.rs:9:98
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{sync::atomic::{AtomicUsize, Ordering}, cell::UnsafeCell, ops::DerefMut, thread::{self, JoinHandle}, time::Duration};
[INFO] [stdout]   |                                                                                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/list.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, i: usize) -> Option<Node<'a, L, T>> {
[INFO] [stdout]    |            ---                     ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<Node<'_, L, T>>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<list::Node<'a, L, T>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-toylock` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/list.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, i: usize) -> Option<Node<'a, L, T>> {
[INFO] [stdout]    |            ---                     ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<Node<'_, L, T>>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<list::Node<'a, L, T>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-toylock` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1f9477df07240f731cd5a5f6d4db362f7c9782464bd8628f7413d85ef6afbd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9477df07240f731cd5a5f6d4db362f7c9782464bd8628f7413d85ef6afbd7a", kill_on_drop: false }`
[INFO] [stdout] 1f9477df07240f731cd5a5f6d4db362f7c9782464bd8628f7413d85ef6afbd7a
