[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 try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhouse%2Fos_fingerprint" "/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/mjhouse/os_fingerprint on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--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 cc v1.0.30
[INFO] [stderr]   Downloaded sys-info v0.5.6
[INFO] [stderr]   Downloaded chrono-tz v0.5.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40af1d417bf4db30029785ee978dee9d32eabb05f80e70b82e9d5c4ddc5fdaf
[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" "f40af1d417bf4db30029785ee978dee9d32eabb05f80e70b82e9d5c4ddc5fdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40af1d417bf4db30029785ee978dee9d32eabb05f80e70b82e9d5c4ddc5fdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40af1d417bf4db30029785ee978dee9d32eabb05f80e70b82e9d5c4ddc5fdaf", kill_on_drop: false }`
[INFO] [stdout] f40af1d417bf4db30029785ee978dee9d32eabb05f80e70b82e9d5c4ddc5fdaf
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945db2d7f05a854b4266769427874651c9b37eb0dabd8ef9fcdc1f8cc2298e14
[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" "945db2d7f05a854b4266769427874651c9b37eb0dabd8ef9fcdc1f8cc2298e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[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 regex v1.1.2
[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 20.49s
[INFO] running `Command { std: "docker" "inspect" "945db2d7f05a854b4266769427874651c9b37eb0dabd8ef9fcdc1f8cc2298e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945db2d7f05a854b4266769427874651c9b37eb0dabd8ef9fcdc1f8cc2298e14", kill_on_drop: false }`
[INFO] [stdout] 945db2d7f05a854b4266769427874651c9b37eb0dabd8ef9fcdc1f8cc2298e14