[INFO] updating cached repository https://github.com/jashank/i3status-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf081a824fa619fcbc9147d9de2e8f44b33cd57f
[INFO] testing jashank/i3status-rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjashank%2Fi3status-rs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jashank/i3status-rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jashank/i3status-rs
[INFO] finished tweaking git repo https://github.com/jashank/i3status-rs
[INFO] tweaked toml for git repo https://github.com/jashank/i3status-rs written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jashank/i3status-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] cbe3a81d70eb31da20b76c6615f308d44960ad4a44529eecd47208e4a52556f2
[INFO] running `"docker" "start" "-a" "cbe3a81d70eb31da20b76c6615f308d44960ad4a44529eecd47208e4a52556f2"`
[INFO] [stderr]    Compiling i3status v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find function `sysctlbyname` in crate `libc`
[INFO] [stderr]   --> src/main.rs:86:15
[INFO] [stderr]    |
[INFO] [stderr] 86 |         libc::sysctlbyname(name.as_ptr(), mem::transmute(&mut t), &mut tlen, ptr::null(), 0)
[INFO] [stderr]    |               ^^^^^^^^^^^^ not found in `libc`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `sysctlbyname` in crate `libc`
[INFO] [stderr]    --> src/main.rs:101:15
[INFO] [stderr]     |
[INFO] [stderr] 101 |         libc::sysctlbyname(name.as_ptr(), mem::transmute(&mut t), &mut tlen, ptr::null(), 0)
[INFO] [stderr]     |               ^^^^^^^^^^^^ not found in `libc`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `i3status`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cbe3a81d70eb31da20b76c6615f308d44960ad4a44529eecd47208e4a52556f2"`
[INFO] running `"docker" "rm" "-f" "cbe3a81d70eb31da20b76c6615f308d44960ad4a44529eecd47208e4a52556f2"`
[INFO] [stdout] cbe3a81d70eb31da20b76c6615f308d44960ad4a44529eecd47208e4a52556f2