Nov 30 13:41:02.111 INFO checking ubend-0.2.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 13:41:02.111 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 13:41:02.438 INFO [stdout] 0dd6ae7f90d1b0050e10b9e68e1a9dfc5d30f781fd02704dd2059d737a53aee9
Nov 30 13:41:02.443 INFO running `"docker" "start" "-a" "0dd6ae7f90d1b0050e10b9e68e1a9dfc5d30f781fd02704dd2059d737a53aee9"`
Nov 30 13:41:03.363 INFO [stderr] usermod: no changes
Nov 30 13:41:03.428 INFO [stderr]    Compiling libc v0.2.44
Nov 30 13:41:05.450 INFO [stderr]     Checking ubend v0.2.1 (/source)
Nov 30 13:41:07.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:41:07.131 INFO [stderr]    --> tests/main.rs:180:3
Nov 30 13:41:07.131 INFO [stderr]     |
Nov 30 13:41:07.131 INFO [stderr] 180 |         write!(stream, "hello world");
Nov 30 13:41:07.131 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:41:07.131 INFO [stderr]     |
Nov 30 13:41:07.131 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 13:41:07.131 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:41:07.131 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)
Nov 30 13:41:07.131 INFO [stderr] 
Nov 30 13:41:07.131 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:41:07.131 INFO [stderr]    --> tests/main.rs:211:3
Nov 30 13:41:07.131 INFO [stderr]     |
Nov 30 13:41:07.131 INFO [stderr] 211 |         write!(stream, "spam\neggs\nspam spam\n");
Nov 30 13:41:07.131 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:41:07.131 INFO [stderr]     |
Nov 30 13:41:07.131 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:41:07.131 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)
Nov 30 13:41:07.131 INFO [stderr] 
Nov 30 13:41:07.165 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
Nov 30 13:41:07.168 INFO [stderr] su: No module specific data is present
Nov 30 13:41:07.726 INFO running `"docker" "inspect" "0dd6ae7f90d1b0050e10b9e68e1a9dfc5d30f781fd02704dd2059d737a53aee9"`
Nov 30 13:41:07.876 INFO running `"docker" "rm" "-f" "0dd6ae7f90d1b0050e10b9e68e1a9dfc5d30f781fd02704dd2059d737a53aee9"`
Nov 30 13:41:08.087 INFO [stdout] 0dd6ae7f90d1b0050e10b9e68e1a9dfc5d30f781fd02704dd2059d737a53aee9