[INFO] fetching crate divbuf 0.3.1...
[INFO] testing divbuf-0.3.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate divbuf 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate divbuf 0.3.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate divbuf 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate divbuf 0.3.1
[INFO] tweaked toml for crates.io crate divbuf 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05951e66183e8b894a9c459f5f9dd5be6aa9c452b27f831357646db00181b7fd
[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" "05951e66183e8b894a9c459f5f9dd5be6aa9c452b27f831357646db00181b7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05951e66183e8b894a9c459f5f9dd5be6aa9c452b27f831357646db00181b7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05951e66183e8b894a9c459f5f9dd5be6aa9c452b27f831357646db00181b7fd", kill_on_drop: false }`
[INFO] [stdout] 05951e66183e8b894a9c459f5f9dd5be6aa9c452b27f831357646db00181b7fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e79c1e2af07caee87ba3e6cb6c04de9993582c8b7e0405ee2f550ce631a9f1d6
[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" "e79c1e2af07caee87ba3e6cb6c04de9993582c8b7e0405ee2f550ce631a9f1d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling divbuf v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/divbuf.rs:274:28
[INFO] [stdout]     |
[INFO] [stdout] 274 |         if inner.accessors.compare_and_swap(0, ONE_WRITER, AcqRel) == 0 {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:45:9
[INFO] [stdout]     |
[INFO] [stdout] 45  | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/divbuf.rs:512:28
[INFO] [stdout]     |
[INFO] [stdout] 512 |         if inner.accessors.compare_and_swap(1, ONE_WRITER, AcqRel) == 1 {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `divbuf`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e79c1e2af07caee87ba3e6cb6c04de9993582c8b7e0405ee2f550ce631a9f1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79c1e2af07caee87ba3e6cb6c04de9993582c8b7e0405ee2f550ce631a9f1d6", kill_on_drop: false }`
[INFO] [stdout] e79c1e2af07caee87ba3e6cb6c04de9993582c8b7e0405ee2f550ce631a9f1d6