[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#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[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 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/kvm-ioctls`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vm-memory`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvm-bindings v0.2.0
[INFO] [stderr]   Downloaded vmm-sys-util 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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e44d1e6dcb93c43bd94058e79084a9cc023d1e192341ee89dab9d8d8f1a16d9
[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" "5e44d1e6dcb93c43bd94058e79084a9cc023d1e192341ee89dab9d8d8f1a16d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e44d1e6dcb93c43bd94058e79084a9cc023d1e192341ee89dab9d8d8f1a16d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e44d1e6dcb93c43bd94058e79084a9cc023d1e192341ee89dab9d8d8f1a16d9", kill_on_drop: false }`
[INFO] [stdout] 5e44d1e6dcb93c43bd94058e79084a9cc023d1e192341ee89dab9d8d8f1a16d9
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5900ed68474bdf8ab3c5f741110970f8d4a3374c77442d857d989317285c0d3
[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" "f5900ed68474bdf8ab3c5f741110970f8d4a3374c77442d857d989317285c0d3", kill_on_drop: false }`
[INFO] [stderr]     Checking vmm-sys-util v0.2.0
[INFO] [stderr]    Compiling cast v0.2.3
[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 4.02s
[INFO] running `Command { std: "docker" "inspect" "f5900ed68474bdf8ab3c5f741110970f8d4a3374c77442d857d989317285c0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5900ed68474bdf8ab3c5f741110970f8d4a3374c77442d857d989317285c0d3", kill_on_drop: false }`
[INFO] [stdout] f5900ed68474bdf8ab3c5f741110970f8d4a3374c77442d857d989317285c0d3