[INFO] crate uhyve 0.0.18 is already in cache
[INFO] checking uhyve-0.0.18 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate uhyve 0.0.18 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate uhyve 0.0.18 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate uhyve 0.0.18
[INFO] finished tweaking crates.io crate uhyve 0.0.18
[INFO] tweaked toml for crates.io crate uhyve 0.0.18 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate uhyve 0.0.18 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f4d318f169c1529320106b6ea6ab6c5c43c21a999988974ce987fba43111584
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4f4d318f169c1529320106b6ea6ab6c5c43c21a999988974ce987fba43111584"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling mac_address v1.0.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling x86 v0.29.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking bit_field v0.10.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking burst v0.0.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking gdb-protocol v0.1.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking vmm-sys-util v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking aligned_alloc v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking kvm-bindings v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking kvm-ioctls v0.5.0
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking uhyve v0.0.18 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `reader`
[INFO] [stderr]   --> src/linux/uhyve.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     reader: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `writer`
[INFO] [stderr]   --> src/linux/uhyve.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     writer: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reader`
[INFO] [stderr]   --> src/linux/uhyve.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     reader: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `writer`
[INFO] [stderr]   --> src/linux/uhyve.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     writer: std::thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.94s
[INFO] running `"docker" "inspect" "4f4d318f169c1529320106b6ea6ab6c5c43c21a999988974ce987fba43111584"`
[INFO] running `"docker" "rm" "-f" "4f4d318f169c1529320106b6ea6ab6c5c43c21a999988974ce987fba43111584"`
[INFO] [stdout] 4f4d318f169c1529320106b6ea6ab6c5c43c21a999988974ce987fba43111584