[INFO] fetching crate sync 0.1.0...
[INFO] testing sync-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate sync 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate sync 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync 0.1.0
[INFO] finished tweaking crates.io crate sync 0.1.0
[INFO] tweaked toml for crates.io crate sync 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5935a33de546b9f7a4628daa069582089ffa63d80425ac007b30f3b9f6ba20d3
[INFO] running `Command { std: "docker" "start" "-a" "5935a33de546b9f7a4628daa069582089ffa63d80425ac007b30f3b9f6ba20d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5935a33de546b9f7a4628daa069582089ffa63d80425ac007b30f3b9f6ba20d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5935a33de546b9f7a4628daa069582089ffa63d80425ac007b30f3b9f6ba20d3", kill_on_drop: false }`
[INFO] [stdout] 5935a33de546b9f7a4628daa069582089ffa63d80425ac007b30f3b9f6ba20d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2010a6ce6199c8c1a03c10718fe5abcbc6b77e342bafcd255a766f5ccda41c13
[INFO] running `Command { std: "docker" "start" "-a" "2010a6ce6199c8c1a03c10718fe5abcbc6b77e342bafcd255a766f5ccda41c13", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/raw/spin.rs:1:71
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::sync::atomic::{AtomicBool, AtomicUsize, Ordering as Memord, spin_loop_hint as cpu_relax};
[INFO] [stdout]   |                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/raw/spin.rs:15:67
[INFO] [stdout]    |
[INFO] [stdout] 15 |         while !self.try_lock(mut_) { while self.0.load(Relaxed) { cpu_relax() } }
[INFO] [stdout]    |                                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/raw/spin.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             } { cpu_relax() }
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/raw/spin.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         } { cpu_relax() }
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/raw/spin.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         } { cpu_relax() }
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/raw/spin.rs:50:51
[INFO] [stdout]    |
[INFO] [stdout] 50 |         while USIZE_MSB != self.0.load(Relaxed) { cpu_relax() }
[INFO] [stdout]    |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2010a6ce6199c8c1a03c10718fe5abcbc6b77e342bafcd255a766f5ccda41c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2010a6ce6199c8c1a03c10718fe5abcbc6b77e342bafcd255a766f5ccda41c13", kill_on_drop: false }`
[INFO] [stdout] 2010a6ce6199c8c1a03c10718fe5abcbc6b77e342bafcd255a766f5ccda41c13