Dec 04 13:07:25.136 INFO checking nkmazur/cert_machine against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:07:25.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 13:07:25.705 INFO [stdout] a7eaecbaafa5e6d55fa7c4e6e8854373fadea1f8e8e24a5b1b9ffb95a18f3ebb
Dec 04 13:07:25.707 INFO running `"docker" "start" "-a" "a7eaecbaafa5e6d55fa7c4e6e8854373fadea1f8e8e24a5b1b9ffb95a18f3ebb"`
Dec 04 13:07:28.683 INFO [stderr] usermod: no changes
Dec 04 13:07:28.855 INFO [stderr]    Compiling syn v0.14.9
Dec 04 13:07:28.855 INFO [stderr]    Compiling syn v0.15.12
Dec 04 13:07:43.763 INFO [stderr]    Compiling gumdrop_derive v0.5.0
Dec 04 13:07:44.011 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 13:07:49.959 INFO [stderr]     Checking gumdrop v0.5.0
Dec 04 13:08:00.842 INFO [stderr]     Checking cert_machine v0.1.0 (/source)
Dec 04 13:08:03.651 INFO [stderr] warning: variant is never constructed: `EtcdServer`
Dec 04 13:08:03.651 INFO [stderr]   --> src/kubernetes_certs.rs:31:5
Dec 04 13:08:03.651 INFO [stderr]    |
Dec 04 13:08:03.651 INFO [stderr] 31 |     EtcdServer(&'a Instance),
Dec 04 13:08:03.651 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:08:03.651 INFO [stderr]    |
Dec 04 13:08:03.651 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:08:03.651 INFO [stderr] 
Dec 04 13:08:03.651 INFO [stderr] warning: variant is never constructed: `Kubelet`
Dec 04 13:08:03.651 INFO [stderr]   --> src/kubernetes_certs.rs:32:5
Dec 04 13:08:03.651 INFO [stderr]    |
Dec 04 13:08:03.651 INFO [stderr] 32 |     Kubelet(&'a Instance),
Dec 04 13:08:03.651 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:08:03.651 INFO [stderr] 
Dec 04 13:08:04.063 INFO [stderr] warning: variant is never constructed: `EtcdServer`
Dec 04 13:08:04.063 INFO [stderr]   --> src/kubernetes_certs.rs:31:5
Dec 04 13:08:04.063 INFO [stderr]    |
Dec 04 13:08:04.063 INFO [stderr] 31 |     EtcdServer(&'a Instance),
Dec 04 13:08:04.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:08:04.063 INFO [stderr]    |
Dec 04 13:08:04.063 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:08:04.063 INFO [stderr] 
Dec 04 13:08:04.063 INFO [stderr] warning: variant is never constructed: `Kubelet`
Dec 04 13:08:04.063 INFO [stderr]   --> src/kubernetes_certs.rs:32:5
Dec 04 13:08:04.063 INFO [stderr]    |
Dec 04 13:08:04.063 INFO [stderr] 32 |     Kubelet(&'a Instance),
Dec 04 13:08:04.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:08:04.063 INFO [stderr] 
Dec 04 13:08:04.123 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.40s
Dec 04 13:08:04.139 INFO [stderr] su: No module specific data is present
Dec 04 13:08:04.907 INFO running `"docker" "inspect" "a7eaecbaafa5e6d55fa7c4e6e8854373fadea1f8e8e24a5b1b9ffb95a18f3ebb"`
Dec 04 13:08:05.281 INFO running `"docker" "rm" "-f" "a7eaecbaafa5e6d55fa7c4e6e8854373fadea1f8e8e24a5b1b9ffb95a18f3ebb"`
Dec 04 13:08:05.635 INFO [stdout] a7eaecbaafa5e6d55fa7c4e6e8854373fadea1f8e8e24a5b1b9ffb95a18f3ebb