[INFO] cloning repository https://github.com/aburgd/chksm_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aburgd/chksm_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburgd%2Fchksm_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburgd%2Fchksm_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afd67b5f0a6808462be1dfa5bb743d95597339d3
[INFO] checking aburgd/chksm_rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburgd%2Fchksm_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/aburgd/chksm_rs 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 git repo https://github.com/aburgd/chksm_rs
[INFO] finished tweaking git repo https://github.com/aburgd/chksm_rs
[INFO] tweaked toml for git repo https://github.com/aburgd/chksm_rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/aburgd/chksm_rs 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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d20669a91ecbefcb9447dbd703f2d2cfd7ae862bf062e28d38e1c00bf92036
[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" "b6d20669a91ecbefcb9447dbd703f2d2cfd7ae862bf062e28d38e1c00bf92036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d20669a91ecbefcb9447dbd703f2d2cfd7ae862bf062e28d38e1c00bf92036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d20669a91ecbefcb9447dbd703f2d2cfd7ae862bf062e28d38e1c00bf92036", kill_on_drop: false }`
[INFO] [stdout] b6d20669a91ecbefcb9447dbd703f2d2cfd7ae862bf062e28d38e1c00bf92036
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1683ccf19205b9cc772a3d24d17db8ecf4800a7f4a612ba8e4e4fb446de6312f
[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" "1683ccf19205b9cc772a3d24d17db8ecf4800a7f4a612ba8e4e4fb446de6312f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking chksm_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.71s
[INFO] running `Command { std: "docker" "inspect" "1683ccf19205b9cc772a3d24d17db8ecf4800a7f4a612ba8e4e4fb446de6312f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1683ccf19205b9cc772a3d24d17db8ecf4800a7f4a612ba8e4e4fb446de6312f", kill_on_drop: false }`
[INFO] [stdout] 1683ccf19205b9cc772a3d24d17db8ecf4800a7f4a612ba8e4e4fb446de6312f