[INFO] fetching crate sync 0.1.0...
[INFO] checking sync-0.1.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate sync 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sync 0.1.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7609f4ec4b636fd0fc7726c238697da90ec0abd10a0040bd4fe73c9050038dd2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7609f4ec4b636fd0fc7726c238697da90ec0abd10a0040bd4fe73c9050038dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7609f4ec4b636fd0fc7726c238697da90ec0abd10a0040bd4fe73c9050038dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7609f4ec4b636fd0fc7726c238697da90ec0abd10a0040bd4fe73c9050038dd2", kill_on_drop: false }`
[INFO] [stdout] 7609f4ec4b636fd0fc7726c238697da90ec0abd10a0040bd4fe73c9050038dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f584e53ea9b33f6c39cd6441ec899a23925a4681e2713a9f2a876d8d5fce2a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f584e53ea9b33f6c39cd6441ec899a23925a4681e2713a9f2a876d8d5fce2a2", kill_on_drop: false }`
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir)
[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] warning: associated constant `new` should have an upper case name
[INFO] [stdout]  --> src/raw/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     const new: Self;
[INFO] [stdout]   |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const new: Self = Mutex(AtomicBool::new(false));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |     const new: Self = RwLock(AtomicUsize::new(0));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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] warning: associated constant `new` should have an upper case name
[INFO] [stdout]  --> src/raw/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     const new: Self;
[INFO] [stdout]   |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const new: Self = Mutex(AtomicBool::new(false));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |     const new: Self = RwLock(AtomicUsize::new(0));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "0f584e53ea9b33f6c39cd6441ec899a23925a4681e2713a9f2a876d8d5fce2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f584e53ea9b33f6c39cd6441ec899a23925a4681e2713a9f2a876d8d5fce2a2", kill_on_drop: false }`
[INFO] [stdout] 0f584e53ea9b33f6c39cd6441ec899a23925a4681e2713a9f2a876d8d5fce2a2