[INFO] cloning repository https://github.com/xiaopengli89/plain-rt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaopengli89/plain-rt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaopengli89%2Fplain-rt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaopengli89%2Fplain-rt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9112ac2883f7e62caaa78a7261fda621a4d8859
[INFO] checking xiaopengli89/plain-rt against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaopengli89%2Fplain-rt" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaopengli89/plain-rt on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiaopengli89/plain-rt
[INFO] finished tweaking git repo https://github.com/xiaopengli89/plain-rt
[INFO] tweaked toml for git repo https://github.com/xiaopengli89/plain-rt written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaopengli89/plain-rt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6054301b35ffd1da92ffa29f1f7551fb48fe8ef5503686905b7c3e9ef157f6f
[INFO] running `Command { std: "docker" "start" "-a" "f6054301b35ffd1da92ffa29f1f7551fb48fe8ef5503686905b7c3e9ef157f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6054301b35ffd1da92ffa29f1f7551fb48fe8ef5503686905b7c3e9ef157f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6054301b35ffd1da92ffa29f1f7551fb48fe8ef5503686905b7c3e9ef157f6f", kill_on_drop: false }`
[INFO] [stdout] f6054301b35ffd1da92ffa29f1f7551fb48fe8ef5503686905b7c3e9ef157f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e9231ff0ee07ed1908da43055c02930a9ac2b25f7aa67dd4752d01f2d0e8f5d
[INFO] running `Command { std: "docker" "start" "-a" "7e9231ff0ee07ed1908da43055c02930a9ac2b25f7aa67dd4752d01f2d0e8f5d", kill_on_drop: false }`
[INFO] [stderr]     Checking plain-rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/main.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |         while self.lock.compare_and_swap(false, true, Ordering::SeqCst) {}
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/main.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |         while self.lock.compare_and_swap(false, true, Ordering::SeqCst) {}
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/main.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 |         while self.lock.compare_and_swap(false, true, Ordering::SeqCst) {}
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/main.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 |         while self.lock.compare_and_swap(false, true, Ordering::SeqCst) {}
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "7e9231ff0ee07ed1908da43055c02930a9ac2b25f7aa67dd4752d01f2d0e8f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9231ff0ee07ed1908da43055c02930a9ac2b25f7aa67dd4752d01f2d0e8f5d", kill_on_drop: false }`
[INFO] [stdout] 7e9231ff0ee07ed1908da43055c02930a9ac2b25f7aa67dd4752d01f2d0e8f5d