[INFO] crate virtio 0.0.1 is already in cache
[INFO] testing virtio-0.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate virtio 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate virtio 0.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virtio 0.0.1
[INFO] finished tweaking crates.io crate virtio 0.0.1
[INFO] tweaked toml for crates.io crate virtio 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54852587cd059a2c402ce9536fedd8461ace3ff78d952b4315fb6435f8c23376
[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" "54852587cd059a2c402ce9536fedd8461ace3ff78d952b4315fb6435f8c23376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54852587cd059a2c402ce9536fedd8461ace3ff78d952b4315fb6435f8c23376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54852587cd059a2c402ce9536fedd8461ace3ff78d952b4315fb6435f8c23376", kill_on_drop: false }`
[INFO] [stdout] 54852587cd059a2c402ce9536fedd8461ace3ff78d952b4315fb6435f8c23376
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 0658cac3f79f9b87cdd78f8cae1921d063d3341ddc60d91c6eb729de0a48ed84
[INFO] running `Command { std: "docker" "start" "-a" "0658cac3f79f9b87cdd78f8cae1921d063d3341ddc60d91c6eb729de0a48ed84", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!` or `::`, found `le`
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | macro_rules le! {
[INFO] [stdout]    |             ^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtio`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0658cac3f79f9b87cdd78f8cae1921d063d3341ddc60d91c6eb729de0a48ed84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0658cac3f79f9b87cdd78f8cae1921d063d3341ddc60d91c6eb729de0a48ed84", kill_on_drop: false }`
[INFO] [stdout] 0658cac3f79f9b87cdd78f8cae1921d063d3341ddc60d91c6eb729de0a48ed84