[INFO] fetching crate pwasm-abi 0.2.2...
[INFO] testing pwasm-abi-0.2.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate pwasm-abi 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pwasm-abi 0.2.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking crates.io crate pwasm-abi 0.2.2
[INFO] finished tweaking crates.io crate pwasm-abi 0.2.2
[INFO] tweaked toml for crates.io crate pwasm-abi 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69d7293848d2f254b330273d259e832e0b18b343af62922dac3a5af985bf155d
[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" "69d7293848d2f254b330273d259e832e0b18b343af62922dac3a5af985bf155d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d7293848d2f254b330273d259e832e0b18b343af62922dac3a5af985bf155d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d7293848d2f254b330273d259e832e0b18b343af62922dac3a5af985bf155d", kill_on_drop: false }`
[INFO] [stdout] 69d7293848d2f254b330273d259e832e0b18b343af62922dac3a5af985bf155d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 881ff84fe7047958db3970ab22bb4184a77472735da852a7c38b63430b5f3577
[INFO] running `Command { std: "docker" "start" "-a" "881ff84fe7047958db3970ab22bb4184a77472735da852a7c38b63430b5f3577", kill_on_drop: false }`
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling pwasm-libc v0.2.1
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling pwasm-alloc v0.4.1
[INFO] [stderr] error: could not compile `pwasm-alloc` due to 2 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pwasm-alloc-0.4.1/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "881ff84fe7047958db3970ab22bb4184a77472735da852a7c38b63430b5f3577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881ff84fe7047958db3970ab22bb4184a77472735da852a7c38b63430b5f3577", kill_on_drop: false }`
[INFO] [stdout] 881ff84fe7047958db3970ab22bb4184a77472735da852a7c38b63430b5f3577