Dec 19 16:54:44.655 INFO checking flxo/duration against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:54:44.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/flxo/duration:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:54:45.090 INFO [stdout] 4d2ab3ca222150c116fad991c3348fb41f8fed6e64820dfc72bd4d5e213e49ce
Dec 19 16:54:45.100 INFO running `"docker" "start" "-a" "4d2ab3ca222150c116fad991c3348fb41f8fed6e64820dfc72bd4d5e213e49ce"`
Dec 19 16:54:47.640 INFO [stderr]     Checking backtrace-sys v0.1.10
Dec 19 16:54:47.969 INFO [stderr]     Checking backtrace v0.3.0
Dec 19 16:54:48.497 INFO [stderr]     Checking error-chain v0.9.0
Dec 19 16:54:49.140 INFO [stderr]     Checking duration v0.1.0 (/opt/crater/workdir)
Dec 19 16:54:49.648 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 16:54:49.648 INFO [stderr]   --> src/main.rs:18:5
Dec 19 16:54:49.648 INFO [stderr]    |
Dec 19 16:54:49.648 INFO [stderr] 18 | /     error_chain! {
Dec 19 16:54:49.648 INFO [stderr] 19 | |         foreign_links {
Dec 19 16:54:49.648 INFO [stderr] 20 | |             Io(::std::io::Error);
Dec 19 16:54:49.648 INFO [stderr] 21 | |         }
Dec 19 16:54:49.648 INFO [stderr] 22 | |     }
Dec 19 16:54:49.648 INFO [stderr]    | |_____^
Dec 19 16:54:49.648 INFO [stderr]    |
Dec 19 16:54:49.648 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 16:54:49.648 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 16:54:49.648 INFO [stderr] 
Dec 19 16:54:49.732 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 16:54:49.732 INFO [stderr]   --> src/main.rs:18:5
Dec 19 16:54:49.732 INFO [stderr]    |
Dec 19 16:54:49.732 INFO [stderr] 18 | /     error_chain! {
Dec 19 16:54:49.732 INFO [stderr] 19 | |         foreign_links {
Dec 19 16:54:49.732 INFO [stderr] 20 | |             Io(::std::io::Error);
Dec 19 16:54:49.732 INFO [stderr] 21 | |         }
Dec 19 16:54:49.732 INFO [stderr] 22 | |     }
Dec 19 16:54:49.732 INFO [stderr]    | |_____^
Dec 19 16:54:49.732 INFO [stderr]    |
Dec 19 16:54:49.732 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 16:54:49.732 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 16:54:49.732 INFO [stderr] 
Dec 19 16:54:49.862 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
Dec 19 16:54:51.032 INFO running `"docker" "inspect" "4d2ab3ca222150c116fad991c3348fb41f8fed6e64820dfc72bd4d5e213e49ce"`
Dec 19 16:54:51.352 INFO running `"docker" "rm" "-f" "4d2ab3ca222150c116fad991c3348fb41f8fed6e64820dfc72bd4d5e213e49ce"`
Dec 19 16:54:51.700 INFO [stdout] 4d2ab3ca222150c116fad991c3348fb41f8fed6e64820dfc72bd4d5e213e49ce