[INFO] cloning repository https://github.com/connorkuehl/virtiofsd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connorkuehl/virtiofsd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Fvirtiofsd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Fvirtiofsd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6252703d8c2a892bb134f2144351d6bc4e908e7f
[INFO] checking connorkuehl/virtiofsd-rs against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Fvirtiofsd-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorkuehl/virtiofsd-rs on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/connorkuehl/virtiofsd-rs
[INFO] finished tweaking git repo https://github.com/connorkuehl/virtiofsd-rs
[INFO] tweaked toml for git repo https://github.com/connorkuehl/virtiofsd-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/connorkuehl/virtiofsd-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/firecracker-microvm/firecracker`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vhost`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vhost-user-backend`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vm-virtio`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epoll v4.3.1
[INFO] [stderr]   Downloaded virtio-bindings v0.1.0
[INFO] [stderr]   Downloaded vm-memory v0.4.0
[INFO] [stderr]   Downloaded vmm-sys-util v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 448c998e992b71d1d04ef5a54c5b759d8775e7abcc754ff927aba2192d67c60f
[INFO] running `Command { std: "docker" "start" "-a" "448c998e992b71d1d04ef5a54c5b759d8775e7abcc754ff927aba2192d67c60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "448c998e992b71d1d04ef5a54c5b759d8775e7abcc754ff927aba2192d67c60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448c998e992b71d1d04ef5a54c5b759d8775e7abcc754ff927aba2192d67c60f", kill_on_drop: false }`
[INFO] [stdout] 448c998e992b71d1d04ef5a54c5b759d8775e7abcc754ff927aba2192d67c60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c08797d13882e7ac61a9f3828368032f7ed00ae595768dcb59c05191ae89f9
[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" "50c08797d13882e7ac61a9f3828368032f7ed00ae595768dcb59c05191ae89f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking vmm-sys-util v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking vm-memory v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking epoll v4.3.1
[INFO] [stderr]     Checking seccomp v0.1.0 (https://github.com/firecracker-microvm/firecracker?tag=v0.22.0#cc538763)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking vhost v0.1.0 (https://github.com/rust-vmm/vhost#6ccc681e)
[INFO] [stderr]     Checking vm-virtio v0.1.0 (https://github.com/rust-vmm/vm-virtio#7b5fd44d)
[INFO] [stderr]     Checking vhost-user-backend v0.1.0 (https://github.com/rust-vmm/vhost-user-backend?rev=3c97ba5#3c97ba57)
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking virtiofsd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "50c08797d13882e7ac61a9f3828368032f7ed00ae595768dcb59c05191ae89f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c08797d13882e7ac61a9f3828368032f7ed00ae595768dcb59c05191ae89f9", kill_on_drop: false }`
[INFO] [stdout] 50c08797d13882e7ac61a9f3828368032f7ed00ae595768dcb59c05191ae89f9