[INFO] fetching crate rumi 0.2.1...
[INFO] checking rumi-0.2.1 against beta for pr-78714
[INFO] extracting crate rumi 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rumi 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumi 0.2.1
[INFO] finished tweaking crates.io crate rumi 0.2.1
[INFO] tweaked toml for crates.io crate rumi 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rumi 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d6bd1e73a4cf2d1dd2e5e6869e98064dae0d6b2795f1cac75ec843ebc91b0a
[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" "74d6bd1e73a4cf2d1dd2e5e6869e98064dae0d6b2795f1cac75ec843ebc91b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d6bd1e73a4cf2d1dd2e5e6869e98064dae0d6b2795f1cac75ec843ebc91b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d6bd1e73a4cf2d1dd2e5e6869e98064dae0d6b2795f1cac75ec843ebc91b0a", kill_on_drop: false }`
[INFO] [stdout] 74d6bd1e73a4cf2d1dd2e5e6869e98064dae0d6b2795f1cac75ec843ebc91b0a
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c083944c7aab2cc4eb7fdd09a854aa74519dbd448b7175cf8927d4388d9a2bfe
[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" "c083944c7aab2cc4eb7fdd09a854aa74519dbd448b7175cf8927d4388d9a2bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking basebits v1.2.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling fs-utils v1.1.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]    Compiling rust-htslib v0.26.0
[INFO] [stderr]     Checking bio-types v0.5.1
[INFO] [stderr]     Checking rumi v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "c083944c7aab2cc4eb7fdd09a854aa74519dbd448b7175cf8927d4388d9a2bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c083944c7aab2cc4eb7fdd09a854aa74519dbd448b7175cf8927d4388d9a2bfe", kill_on_drop: false }`
[INFO] [stdout] c083944c7aab2cc4eb7fdd09a854aa74519dbd448b7175cf8927d4388d9a2bfe