[INFO] cloning repository https://github.com/icclab/simple-rustvmm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icclab/simple-rustvmm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficclab%2Fsimple-rustvmm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficclab%2Fsimple-rustvmm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46ab7e75a25762b75b2dbd2a5d43aed7c20ec74e
[INFO] checking icclab/simple-rustvmm against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficclab%2Fsimple-rustvmm" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icclab/simple-rustvmm on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/icclab/simple-rustvmm
[INFO] finished tweaking git repo https://github.com/icclab/simple-rustvmm
[INFO] tweaked toml for git repo https://github.com/icclab/simple-rustvmm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/icclab/simple-rustvmm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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 vmm-sys-util v0.2.0
[INFO] [stderr]   Downloaded kvm-bindings v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbecce7f52381c4ac6f998f957f1b38450833d640f76e2089993bd4404c5001b
[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" "cbecce7f52381c4ac6f998f957f1b38450833d640f76e2089993bd4404c5001b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbecce7f52381c4ac6f998f957f1b38450833d640f76e2089993bd4404c5001b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbecce7f52381c4ac6f998f957f1b38450833d640f76e2089993bd4404c5001b", kill_on_drop: false }`
[INFO] [stdout] cbecce7f52381c4ac6f998f957f1b38450833d640f76e2089993bd4404c5001b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d12fe3df6c1466e5371467ad7a8f9b2d6f75f6b27c94f87f16cee4fa71ca19
[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" "77d12fe3df6c1466e5371467ad7a8f9b2d6f75f6b27c94f87f16cee4fa71ca19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking vmm-sys-util v0.2.0
[INFO] [stderr]     Checking kvm-bindings v0.2.0
[INFO] [stderr]     Checking vm-memory v0.1.0 (https://github.com/rust-vmm/vm-memory#bb29ec87)
[INFO] [stderr]     Checking kvm-ioctls v0.3.0 (https://github.com/rust-vmm/kvm-ioctls?branch=master#652eb11d)
[INFO] [stderr]     Checking simple-rustkvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "77d12fe3df6c1466e5371467ad7a8f9b2d6f75f6b27c94f87f16cee4fa71ca19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d12fe3df6c1466e5371467ad7a8f9b2d6f75f6b27c94f87f16cee4fa71ca19", kill_on_drop: false }`
[INFO] [stdout] 77d12fe3df6c1466e5371467ad7a8f9b2d6f75f6b27c94f87f16cee4fa71ca19