[INFO] fetching crate rdms 0.0.1...
[INFO] testing rdms-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rdms 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rdms 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdms 0.0.1
[INFO] finished tweaking crates.io crate rdms 0.0.1
[INFO] tweaked toml for crates.io crate rdms 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode_reader v0.1.1
[INFO] [stderr]   Downloaded jsondata v0.6.2
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c00e0246c40ad18e85632cd047a21243f70c09ccc8c9d742b05777bb8792685a
[INFO] running `Command { std: "docker" "start" "-a" "c00e0246c40ad18e85632cd047a21243f70c09ccc8c9d742b05777bb8792685a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c00e0246c40ad18e85632cd047a21243f70c09ccc8c9d742b05777bb8792685a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00e0246c40ad18e85632cd047a21243f70c09ccc8c9d742b05777bb8792685a", kill_on_drop: false }`
[INFO] [stdout] c00e0246c40ad18e85632cd047a21243f70c09ccc8c9d742b05777bb8792685a
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d5d0d7b38d39ef77f5182796c0db2a21bb125ec5b9e0861645bee555f9ed6ab
[INFO] running `Command { std: "docker" "start" "-a" "9d5d0d7b38d39ef77f5182796c0db2a21bb125ec5b9e0861645bee555f9ed6ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_reader v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling jsondata v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rdms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(bind_by_move_pattern_guards)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #![feature(drain_filter)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/spinlock.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 if self.value.compare_and_swap(c, n, SeqCst) == c {
[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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/spinlock.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 if self.value.compare_and_swap(c, n, SeqCst) == c {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/spinlock.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if self.value.compare_and_swap(c, n, SeqCst) == c {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/spinlock.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |         if self.door.value.compare_and_swap(c, 0, SeqCst) != c {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/sync_writer.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if self.writers.compare_and_swap(0, 1, AcqRel) != 0 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/sync_writer.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if self.fence.writers.compare_and_swap(1, 0, AcqRel) != 1 {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdms`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9d5d0d7b38d39ef77f5182796c0db2a21bb125ec5b9e0861645bee555f9ed6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5d0d7b38d39ef77f5182796c0db2a21bb125ec5b9e0861645bee555f9ed6ab", kill_on_drop: false }`
[INFO] [stdout] 9d5d0d7b38d39ef77f5182796c0db2a21bb125ec5b9e0861645bee555f9ed6ab