[INFO] cloning repository https://github.com/mjhouse/os_fingerprint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjhouse/os_fingerprint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhouse%2Fos_fingerprint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhouse%2Fos_fingerprint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8140b211b52917680a35ebe5c3687fd787224222
[INFO] checking mjhouse/os_fingerprint against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhouse%2Fos_fingerprint" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjhouse/os_fingerprint 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/mjhouse/os_fingerprint
[INFO] finished tweaking git repo https://github.com/mjhouse/os_fingerprint
[INFO] tweaked toml for git repo https://github.com/mjhouse/os_fingerprint written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mjhouse/os_fingerprint 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse-zoneinfo v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded chrono-tz v0.5.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded sys-info v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ae1fa6b0506846fa0c9c1d548b16488eaa0bddf4b6e1d41ac7115e4812b085f
[INFO] running `Command { std: "docker" "start" "-a" "4ae1fa6b0506846fa0c9c1d548b16488eaa0bddf4b6e1d41ac7115e4812b085f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae1fa6b0506846fa0c9c1d548b16488eaa0bddf4b6e1d41ac7115e4812b085f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae1fa6b0506846fa0c9c1d548b16488eaa0bddf4b6e1d41ac7115e4812b085f", kill_on_drop: false }`
[INFO] [stdout] 4ae1fa6b0506846fa0c9c1d548b16488eaa0bddf4b6e1d41ac7115e4812b085f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8ad4d3f1834ef41351b89af0387530e08110528686cc1754a62118d71ef29c00
[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" "8ad4d3f1834ef41351b89af0387530e08110528686cc1754a62118d71ef29c00", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling sys-info v0.5.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]    Compiling chrono-tz v0.5.0
[INFO] [stderr]     Checking os_fingerprint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.44s
[INFO] running `Command { std: "docker" "inspect" "8ad4d3f1834ef41351b89af0387530e08110528686cc1754a62118d71ef29c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad4d3f1834ef41351b89af0387530e08110528686cc1754a62118d71ef29c00", kill_on_drop: false }`
[INFO] [stdout] 8ad4d3f1834ef41351b89af0387530e08110528686cc1754a62118d71ef29c00