[INFO] fetching crate tink-aead 0.2.1...
[INFO] checking tink-aead-0.2.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate tink-aead 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tink-aead 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tink-aead 0.2.1
[INFO] finished tweaking crates.io crate tink-aead 0.2.1
[INFO] tweaked toml for crates.io crate tink-aead 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e5bc829272c5d82f9c16de25a16e849a44d5e7fb9d9771c5b43b2d5c6677c10
[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" "2e5bc829272c5d82f9c16de25a16e849a44d5e7fb9d9771c5b43b2d5c6677c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5bc829272c5d82f9c16de25a16e849a44d5e7fb9d9771c5b43b2d5c6677c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5bc829272c5d82f9c16de25a16e849a44d5e7fb9d9771c5b43b2d5c6677c10", kill_on_drop: false }`
[INFO] [stdout] 2e5bc829272c5d82f9c16de25a16e849a44d5e7fb9d9771c5b43b2d5c6677c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--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] ce1e5826d6c02c3ec561d12fc51115b69aa7adddb2e0d4b415bf979142beb48a
[INFO] running `Command { std: "docker" "start" "-a" "ce1e5826d6c02c3ec561d12fc51115b69aa7adddb2e0d4b415bf979142beb48a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking dbl v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking chacha20 v0.7.3
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking cmac v0.6.0
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking hkdf v0.11.0
[INFO] [stderr]     Checking chacha20poly1305 v0.8.2
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]     Checking aes-gcm-siv v0.10.3
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling tink-proto v0.2.2
[INFO] [stderr]     Checking tink-core v0.2.2
[INFO] [stderr]     Checking tink-prf v0.2.1
[INFO] [stderr]     Checking tink-mac v0.2.1
[INFO] [stderr]     Checking tink-aead v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> benches/benchmarks.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tink-aead` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce1e5826d6c02c3ec561d12fc51115b69aa7adddb2e0d4b415bf979142beb48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1e5826d6c02c3ec561d12fc51115b69aa7adddb2e0d4b415bf979142beb48a", kill_on_drop: false }`
[INFO] [stdout] ce1e5826d6c02c3ec561d12fc51115b69aa7adddb2e0d4b415bf979142beb48a
