[INFO] updating cached repository keaganr/CS4121ChatRoom
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/keaganr/CS4121ChatRoom
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/keaganr/CS4121ChatRoom" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/keaganr/CS4121ChatRoom"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/keaganr/CS4121ChatRoom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keaganr/CS4121ChatRoom" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/keaganr/CS4121ChatRoom"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/keaganr/CS4121ChatRoom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 953d6899b7ebc8d68157fd569cde272627df0792
[INFO] sha for GitHub repo keaganr/CS4121ChatRoom: 953d6899b7ebc8d68157fd569cde272627df0792
[INFO] validating manifest of keaganr/CS4121ChatRoom on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of keaganr/CS4121ChatRoom on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing keaganr/CS4121ChatRoom
[INFO] finished frobbing keaganr/CS4121ChatRoom
[INFO] frobbed toml for keaganr/CS4121ChatRoom written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/keaganr/CS4121ChatRoom/Cargo.toml
[INFO] started frobbing keaganr/CS4121ChatRoom
[INFO] finished frobbing keaganr/CS4121ChatRoom
[INFO] frobbed toml for keaganr/CS4121ChatRoom written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/keaganr/CS4121ChatRoom/Cargo.toml
[INFO] crate keaganr/CS4121ChatRoom already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/keaganr/CS4121ChatRoom/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/blackbeam/rust-mysql-simple.git`
[INFO] [stderr]     Updating git repository `https://github.com/jeaye/ncurses-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/gchp/rustbox.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/blackbeam/rust-mysql-simple.git`
[INFO] [stderr]     Updating git repository `https://github.com/jeaye/ncurses-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/gchp/rustbox.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking keaganr/CS4121ChatRoom against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/keaganr/CS4121ChatRoom:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 29a0eb8cab85048b5243982d98ebcfd76e2e5d9c169ee27a154f23078853537f
[INFO] running `"docker" "start" "-a" "29a0eb8cab85048b5243982d98ebcfd76e2e5d9c169ee27a154f23078853537f"`
[INFO] [stderr]    Compiling mysql v16.0.2 (https://github.com/blackbeam/rust-mysql-simple.git#9cbe86df)
[INFO] [stderr]    Compiling termbox-sys v0.2.11
[INFO] [stderr]    Compiling ncurses v5.99.0 (https://github.com/jeaye/ncurses-rs.git#a52dbb37)
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr] error: failed to run custom build command for `termbox-sys v0.2.11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/termbox-sys-fa95bd52eb6820f0/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] running: "rm" "-rf" ".termbox"
[INFO] [stderr] running: "git" "clone" "https://github.com/nsf/termbox" ".termbox"
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] fatal: could not create work tree dir '.termbox': Read-only file system
[INFO] [stderr] thread 'main' panicked at 'assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.11/build.rs:88:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557c9a524aeb - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x557c9a524aeb - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557c9a524aeb - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x557c9a524aeb - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x557c9a524aeb - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x557c9a5247c6 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x557c9a5251ad - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x557c9a517491 - std::panicking::begin_panic::he75ccae0769832bf
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x557c9a515f74 - build_script_build::run::h6433843a5e70d424
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.11/build.rs:88
[INFO] [stderr]    9:     0x557c9a51563a - build_script_build::setup::h141ade39e918696a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.11/build.rs:28
[INFO] [stderr]   10:     0x557c9a515338 - build_script_build::main::h315986de60b954b6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.11/build.rs:10
[INFO] [stderr]   11:     0x557c9a517300 - std::rt::lang_start::{{closure}}::hc22f4191fa912fb5
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x557c9a524c03 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   13:     0x557c9a524c03 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x557c9a52b00a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x557c9a5256bd - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   16:     0x557c9a5256bd - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   17:     0x557c9a5256bd - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x557c9a5172d9 - std::rt::lang_start::hf4a805c47630bc91
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x557c9a515faa - main
[INFO] [stderr]   20:     0x7f6dc7fd92e1 - __libc_start_main
[INFO] [stderr]   21:     0x557c9a50b3fa - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: `use_std` feature is currently required to build this crate
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.2.1/src/lib.rs:515:1
[INFO] [stderr]     |
[INFO] [stderr] 515 | compile_error!("`use_std` feature is currently required to build this crate");
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `Error`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.2.1/src/compile.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use Error;
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     no `Error` in the root
[INFO] [stderr]    |     help: a similar name exists in the module: `error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "29a0eb8cab85048b5243982d98ebcfd76e2e5d9c169ee27a154f23078853537f"`
[INFO] running `"docker" "rm" "-f" "29a0eb8cab85048b5243982d98ebcfd76e2e5d9c169ee27a154f23078853537f"`
[INFO] [stdout] 29a0eb8cab85048b5243982d98ebcfd76e2e5d9c169ee27a154f23078853537f