[INFO] fetching crate libvirtdma 0.1.0...
[INFO] checking libvirtdma-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate libvirtdma 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libvirtdma 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libvirtdma 0.1.0
[INFO] finished tweaking crates.io crate libvirtdma 0.1.0
[INFO] tweaked toml for crates.io crate libvirtdma 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2rust-bitfields-derive v0.2.1
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded pelite v0.8.1
[INFO] [stderr]   Downloaded c2rust-bitfields v0.3.0
[INFO] [stderr]   Downloaded pelite-macros v0.1.0
[INFO] [stderr]   Downloaded proc-maps v0.1.6
[INFO] [stderr]   Downloaded iced-x86 v1.8.0
[INFO] [stderr]   Downloaded libproc v0.3.2
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6453f0a929e853e8d70ccc462a5d2f18e67f49da34c13a13ee6d7d4c1a8f9d
[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" "3c6453f0a929e853e8d70ccc462a5d2f18e67f49da34c13a13ee6d7d4c1a8f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6453f0a929e853e8d70ccc462a5d2f18e67f49da34c13a13ee6d7d4c1a8f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6453f0a929e853e8d70ccc462a5d2f18e67f49da34c13a13ee6d7d4c1a8f9d", kill_on_drop: false }`
[INFO] [stdout] 3c6453f0a929e853e8d70ccc462a5d2f18e67f49da34c13a13ee6d7d4c1a8f9d
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6552284bb9337970eae596207954069b0abbd282333ebab66d45a96f35eea760
[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" "6552284bb9337970eae596207954069b0abbd282333ebab66d45a96f35eea760", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pelite-macros v0.1.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking widestring v0.4.2
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]    Compiling iced-x86 v1.8.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pelite v0.8.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking term-table v1.3.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.1
[INFO] [stderr]     Checking c2rust-bitfields v0.3.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking proc-maps v0.1.6
[INFO] [stderr]     Checking libvirtdma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "6552284bb9337970eae596207954069b0abbd282333ebab66d45a96f35eea760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6552284bb9337970eae596207954069b0abbd282333ebab66d45a96f35eea760", kill_on_drop: false }`
[INFO] [stdout] 6552284bb9337970eae596207954069b0abbd282333ebab66d45a96f35eea760