[INFO] fetching crate cargo-ruukh 0.0.3...
[INFO] checking cargo-ruukh-0.0.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cargo-ruukh 0.0.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cargo-ruukh 0.0.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ruukh 0.0.3
[INFO] finished tweaking crates.io crate cargo-ruukh 0.0.3
[INFO] tweaked toml for crates.io crate cargo-ruukh 0.0.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 82b3dc04f9a64c6e9a30c152dbb4fefda56ca6d0e3ce93422817ddd78523cb0f
[INFO] running `Command { std: "docker" "start" "-a" "82b3dc04f9a64c6e9a30c152dbb4fefda56ca6d0e3ce93422817ddd78523cb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82b3dc04f9a64c6e9a30c152dbb4fefda56ca6d0e3ce93422817ddd78523cb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b3dc04f9a64c6e9a30c152dbb4fefda56ca6d0e3ce93422817ddd78523cb0f", kill_on_drop: false }`
[INFO] [stdout] 82b3dc04f9a64c6e9a30c152dbb4fefda56ca6d0e3ce93422817ddd78523cb0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d0646e0ede00f8ace4b2e2956d47ebd50bd95e1b9feb7e57b73eb0723d0bfd
[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" "b9d0646e0ede00f8ace4b2e2956d47ebd50bd95e1b9feb7e57b73eb0723d0bfd", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking warp v0.1.23
[INFO] [stderr]     Checking cargo-ruukh v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.80s
[INFO] running `Command { std: "docker" "inspect" "b9d0646e0ede00f8ace4b2e2956d47ebd50bd95e1b9feb7e57b73eb0723d0bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d0646e0ede00f8ace4b2e2956d47ebd50bd95e1b9feb7e57b73eb0723d0bfd", kill_on_drop: false }`
[INFO] [stdout] b9d0646e0ede00f8ace4b2e2956d47ebd50bd95e1b9feb7e57b73eb0723d0bfd
