[INFO] fetching crate bitbuffer_derive 0.7.1...
[INFO] checking bitbuffer_derive-0.7.1 against beta for pr-78714
[INFO] extracting crate bitbuffer_derive 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bitbuffer_derive 0.7.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitbuffer_derive 0.7.1
[INFO] finished tweaking crates.io crate bitbuffer_derive 0.7.1
[INFO] tweaked toml for crates.io crate bitbuffer_derive 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 2e79ce01196a80f9e6f494a14ca694567b1986b27ead28ba2c3bd51ffc8f950d
[INFO] running `Command { std: "docker" "start" "-a" "2e79ce01196a80f9e6f494a14ca694567b1986b27ead28ba2c3bd51ffc8f950d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e79ce01196a80f9e6f494a14ca694567b1986b27ead28ba2c3bd51ffc8f950d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e79ce01196a80f9e6f494a14ca694567b1986b27ead28ba2c3bd51ffc8f950d", kill_on_drop: false }`
[INFO] [stdout] 2e79ce01196a80f9e6f494a14ca694567b1986b27ead28ba2c3bd51ffc8f950d
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815b7e34bee829c795a7072ee90f30fd0dc62e490d9e393ea388e4e2903c5184
[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" "815b7e34bee829c795a7072ee90f30fd0dc62e490d9e393ea388e4e2903c5184", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking syn_util v0.4.2
[INFO] [stderr]     Checking bitbuffer_derive v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitbuffer_derive v0.7.1
[INFO] [stderr]     Checking bitbuffer v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.49s
[INFO] running `Command { std: "docker" "inspect" "815b7e34bee829c795a7072ee90f30fd0dc62e490d9e393ea388e4e2903c5184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815b7e34bee829c795a7072ee90f30fd0dc62e490d9e393ea388e4e2903c5184", kill_on_drop: false }`
[INFO] [stdout] 815b7e34bee829c795a7072ee90f30fd0dc62e490d9e393ea388e4e2903c5184