Dec 19 16:59:38.839 INFO checking flatcar-linux/update-ssh-keys against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:59:38.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/flatcar-linux/update-ssh-keys:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:59:39.356 INFO [stdout] 7943176ab96c68dfe8719748a0ac5b37c6959ec6324533378ee533f635a1f76a
Dec 19 16:59:39.358 INFO running `"docker" "start" "-a" "7943176ab96c68dfe8719748a0ac5b37c6959ec6324533378ee533f635a1f76a"`
Dec 19 16:59:41.136 INFO [stderr]     Checking users v0.8.1
Dec 19 16:59:41.152 INFO [stderr]     Checking fs2 v0.4.3
Dec 19 16:59:41.152 INFO [stderr]     Checking block-buffer v0.7.1
Dec 19 16:59:41.821 INFO [stderr]     Checking sha2 v0.8.0
Dec 19 16:59:41.822 INFO [stderr]     Checking md-5 v0.8.0
Dec 19 16:59:42.602 INFO [stderr]     Checking openssh-keys v0.4.1
Dec 19 16:59:43.236 INFO [stderr]     Checking update-ssh-keys v0.4.1-alpha.0 (/opt/crater/workdir)
Dec 19 16:59:43.704 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 16:59:43.704 INFO [stderr]   --> src/lib.rs:36:5
Dec 19 16:59:43.704 INFO [stderr]    |
Dec 19 16:59:43.704 INFO [stderr] 36 | /     error_chain!{
Dec 19 16:59:43.704 INFO [stderr] 37 | |         links {
Dec 19 16:59:43.704 INFO [stderr] 38 | |             ParseError(::openssh_keys::errors::Error, ::openssh_keys::errors::ErrorKind);
Dec 19 16:59:43.704 INFO [stderr] 39 | |         }
Dec 19 16:59:43.704 INFO [stderr] ...  |
Dec 19 16:59:43.704 INFO [stderr] 56 | |         }
Dec 19 16:59:43.704 INFO [stderr] 57 | |     }
Dec 19 16:59:43.704 INFO [stderr]    | |_____^
Dec 19 16:59:43.704 INFO [stderr]    |
Dec 19 16:59:43.704 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 16:59:43.704 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 16:59:43.704 INFO [stderr] 
Dec 19 16:59:43.789 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 16:59:43.789 INFO [stderr]   --> src/lib.rs:36:5
Dec 19 16:59:43.789 INFO [stderr]    |
Dec 19 16:59:43.789 INFO [stderr] 36 | /     error_chain!{
Dec 19 16:59:43.789 INFO [stderr] 37 | |         links {
Dec 19 16:59:43.789 INFO [stderr] 38 | |             ParseError(::openssh_keys::errors::Error, ::openssh_keys::errors::ErrorKind);
Dec 19 16:59:43.789 INFO [stderr] 39 | |         }
Dec 19 16:59:43.789 INFO [stderr] ...  |
Dec 19 16:59:43.789 INFO [stderr] 56 | |         }
Dec 19 16:59:43.789 INFO [stderr] 57 | |     }
Dec 19 16:59:43.789 INFO [stderr]    | |_____^
Dec 19 16:59:43.789 INFO [stderr]    |
Dec 19 16:59:43.789 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 16:59:43.789 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 16:59:43.789 INFO [stderr] 
Dec 19 16:59:45.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
Dec 19 16:59:46.222 INFO running `"docker" "inspect" "7943176ab96c68dfe8719748a0ac5b37c6959ec6324533378ee533f635a1f76a"`
Dec 19 16:59:46.704 INFO running `"docker" "rm" "-f" "7943176ab96c68dfe8719748a0ac5b37c6959ec6324533378ee533f635a1f76a"`
Dec 19 16:59:47.021 INFO [stdout] 7943176ab96c68dfe8719748a0ac5b37c6959ec6324533378ee533f635a1f76a