[INFO] fetching crate once_spin 0.1.3...
[INFO] checking once_spin-0.1.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate once_spin 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate once_spin 0.1.3 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 once_spin 0.1.3
[INFO] finished tweaking crates.io crate once_spin 0.1.3
[INFO] tweaked toml for crates.io crate once_spin 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate once_spin 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e207b1676b0e9f2baacfba5625509aa53102d7f1388a1e4845ec3f2113ab02dd
[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" "e207b1676b0e9f2baacfba5625509aa53102d7f1388a1e4845ec3f2113ab02dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e207b1676b0e9f2baacfba5625509aa53102d7f1388a1e4845ec3f2113ab02dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e207b1676b0e9f2baacfba5625509aa53102d7f1388a1e4845ec3f2113ab02dd", kill_on_drop: false }`
[INFO] [stdout] e207b1676b0e9f2baacfba5625509aa53102d7f1388a1e4845ec3f2113ab02dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 921d7319f2d5f95c452c5b27ac61fbd51e222e7478fa856550476eaa2cf48958
[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" "921d7319f2d5f95c452c5b27ac61fbd51e222e7478fa856550476eaa2cf48958", kill_on_drop: false }`
[INFO] [stderr]     Checking once_spin v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/barrier.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::{fmt, 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 `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/barrier.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 spin_loop_hint();
[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/mutex.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sync::atomic::{spin_loop_hint, AtomicBool, Ordering},
[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/mutex.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 spin_loop_hint();
[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/once.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::atomic::{spin_loop_hint, AtomicUsize, Ordering},
[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/once.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     spin_loop_hint();
[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/once.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 RUNNING => spin_loop_hint(),
[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/rw_lock.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sync::atomic::{spin_loop_hint, AtomicUsize, Ordering},
[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/rw_lock.rs:167:25
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 None => spin_loop_hint(),
[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/rw_lock.rs:263:25
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 None => spin_loop_hint(),
[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/rw_lock.rs:287:25
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 None => spin_loop_hint(),
[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/rw_lock.rs:447:13
[INFO] [stdout]     |
[INFO] [stdout] 447 |             spin_loop_hint();
[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/barrier.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::{fmt, 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 `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/barrier.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 spin_loop_hint();
[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/mutex.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sync::atomic::{spin_loop_hint, AtomicBool, Ordering},
[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/mutex.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 spin_loop_hint();
[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/once.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::atomic::{spin_loop_hint, AtomicUsize, Ordering},
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |         while self.lock.compare_and_swap(false, true, Ordering::Acquire) {
[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/once.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     spin_loop_hint();
[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/once.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 RUNNING => spin_loop_hint(),
[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/rw_lock.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sync::atomic::{spin_loop_hint, AtomicUsize, Ordering},
[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/rw_lock.rs:167:25
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 None => spin_loop_hint(),
[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/rw_lock.rs:263:25
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 None => spin_loop_hint(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |         if self.lock.compare_and_swap(false, true, Ordering::Acquire) {
[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/rw_lock.rs:287:25
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 None => spin_loop_hint(),
[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/rw_lock.rs:447:13
[INFO] [stdout]     |
[INFO] [stdout] 447 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/once.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 .compare_and_swap(INCOMPLETE, RUNNING, Ordering::SeqCst);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |         while self.lock.compare_and_swap(false, true, Ordering::Acquire) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |         if self.lock.compare_and_swap(false, true, Ordering::Acquire) {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/once.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 .compare_and_swap(INCOMPLETE, RUNNING, Ordering::SeqCst);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "921d7319f2d5f95c452c5b27ac61fbd51e222e7478fa856550476eaa2cf48958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921d7319f2d5f95c452c5b27ac61fbd51e222e7478fa856550476eaa2cf48958", kill_on_drop: false }`
[INFO] [stdout] 921d7319f2d5f95c452c5b27ac61fbd51e222e7478fa856550476eaa2cf48958