[INFO] cloning repository https://github.com/charliesome/kvmlinux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charliesome/kvmlinux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Fkvmlinux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Fkvmlinux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ead1cdecd3b1fe5d469eb9b3c169665cd0c8fdc7
[INFO] checking charliesome/kvmlinux against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Fkvmlinux" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charliesome/kvmlinux on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charliesome/kvmlinux
[INFO] finished tweaking git repo https://github.com/charliesome/kvmlinux
[INFO] tweaked toml for git repo https://github.com/charliesome/kvmlinux written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/charliesome/kvmlinux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded derive_more v0.99.10
[INFO] [stderr]   Downloaded kvm-bindings v0.3.0
[INFO] [stderr]   Downloaded vmm-sys-util v0.6.1
[INFO] [stderr]   Downloaded kvm-ioctls v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4de7a1d7a75ceedd9c1fa15edf22e0276bb2d5dadaf75391b0d95afeb76aa4ad
[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" "4de7a1d7a75ceedd9c1fa15edf22e0276bb2d5dadaf75391b0d95afeb76aa4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de7a1d7a75ceedd9c1fa15edf22e0276bb2d5dadaf75391b0d95afeb76aa4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de7a1d7a75ceedd9c1fa15edf22e0276bb2d5dadaf75391b0d95afeb76aa4ad", kill_on_drop: false }`
[INFO] [stdout] 4de7a1d7a75ceedd9c1fa15edf22e0276bb2d5dadaf75391b0d95afeb76aa4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b43c8e1d6bf2938f1085fd47834ea369eb30daab9517097088acc8823accbbd
[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" "4b43c8e1d6bf2938f1085fd47834ea369eb30daab9517097088acc8823accbbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]     Checking vmm-sys-util v0.6.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking kvm-bindings v0.3.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking kvm-ioctls v0.5.0
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]     Checking kvmlinux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.93s
[INFO] running `Command { std: "docker" "inspect" "4b43c8e1d6bf2938f1085fd47834ea369eb30daab9517097088acc8823accbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b43c8e1d6bf2938f1085fd47834ea369eb30daab9517097088acc8823accbbd", kill_on_drop: false }`
[INFO] [stdout] 4b43c8e1d6bf2938f1085fd47834ea369eb30daab9517097088acc8823accbbd