[INFO] fetching crate kras 0.1.4...
[INFO] checking kras-0.1.4 against beta for pr-78714
[INFO] extracting crate kras 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kras 0.1.4 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 kras 0.1.4
[INFO] finished tweaking crates.io crate kras 0.1.4
[INFO] tweaked toml for crates.io crate kras 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate kras 0.1.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1b10164526742fd3edd758cbdb0728737d1d4ff9d0440a8e66dd9a8e75249a1c
[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" "1b10164526742fd3edd758cbdb0728737d1d4ff9d0440a8e66dd9a8e75249a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b10164526742fd3edd758cbdb0728737d1d4ff9d0440a8e66dd9a8e75249a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b10164526742fd3edd758cbdb0728737d1d4ff9d0440a8e66dd9a8e75249a1c", kill_on_drop: false }`
[INFO] [stdout] 1b10164526742fd3edd758cbdb0728737d1d4ff9d0440a8e66dd9a8e75249a1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] df0d8d6107f713d8f435c51beed11efc5a9d90a20f90be2b4d1f87decf28c755
[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" "df0d8d6107f713d8f435c51beed11efc5a9d90a20f90be2b4d1f87decf28c755", kill_on_drop: false }`
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking fileinput v0.3.0
[INFO] [stderr]     Checking pom v3.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking kras v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "df0d8d6107f713d8f435c51beed11efc5a9d90a20f90be2b4d1f87decf28c755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0d8d6107f713d8f435c51beed11efc5a9d90a20f90be2b4d1f87decf28c755", kill_on_drop: false }`
[INFO] [stdout] df0d8d6107f713d8f435c51beed11efc5a9d90a20f90be2b4d1f87decf28c755