[INFO] cloning repository https://github.com/kprotty/lock_bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kprotty/lock_bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Flock_bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Flock_bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d645c11ceb90e89c782f5b9130857c5915d269e
[INFO] checking kprotty/lock_bench against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Flock_bench" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kprotty/lock_bench on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kprotty/lock_bench
[INFO] finished tweaking git repo https://github.com/kprotty/lock_bench
[INFO] tweaked toml for git repo https://github.com/kprotty/lock_bench written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7736c110dc0c7982a481721d2e11c5c3087385f61a0737e36a1f4502c739b9eb
[INFO] running `Command { std: "docker" "start" "-a" "7736c110dc0c7982a481721d2e11c5c3087385f61a0737e36a1f4502c739b9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7736c110dc0c7982a481721d2e11c5c3087385f61a0737e36a1f4502c739b9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7736c110dc0c7982a481721d2e11c5c3087385f61a0737e36a1f4502c739b9eb", kill_on_drop: false }`
[INFO] [stdout] 7736c110dc0c7982a481721d2e11c5c3087385f61a0737e36a1f4502c739b9eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38aed857115474c82aef65fdfa86ce5aeb80cd3314162c3e062c8a85c5659e6
[INFO] running `Command { std: "docker" "start" "-a" "a38aed857115474c82aef65fdfa86ce5aeb80cd3314162c3e062c8a85c5659e6", kill_on_drop: false }`
[INFO] [stderr]     Checking usync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `if_os::*`
[INFO] [stdout]   --> src/core/thread_parker.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub use if_os::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `if_os::*`
[INFO] [stdout]   --> src/core/thread_parker.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub use if_os::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/core/cpu.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |     core::sync::atomic::spin_loop_hint()
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/core/lock.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     sync::atomic::{fence, spin_loop_hint, AtomicU8, AtomicUsize, Ordering},
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/core/cpu.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |     core::sync::atomic::spin_loop_hint()
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/core/lock.rs:431:29
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   spin_loop_hint();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/core/lock.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     sync::atomic::{fence, spin_loop_hint, AtomicU8, AtomicUsize, Ordering},
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/core/lock.rs:431:29
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   spin_loop_hint();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "a38aed857115474c82aef65fdfa86ce5aeb80cd3314162c3e062c8a85c5659e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38aed857115474c82aef65fdfa86ce5aeb80cd3314162c3e062c8a85c5659e6", kill_on_drop: false }`
[INFO] [stdout] a38aed857115474c82aef65fdfa86ce5aeb80cd3314162c3e062c8a85c5659e6