[INFO] updating cached repository https://github.com/mattcl/xmobar-tmux
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86e22f7bc3720db390572c8ea54a7ffd154d19f4
[INFO] checking mattcl/xmobar-tmux against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fxmobar-tmux" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/xmobar-tmux on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mattcl/xmobar-tmux
[INFO] finished tweaking git repo https://github.com/mattcl/xmobar-tmux
[INFO] tweaked toml for git repo https://github.com/mattcl/xmobar-tmux written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcl/xmobar-tmux already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 038ff1f0ff27382da568f14a3e35483d4d9135d19cb8de244901a93b00a3d961
[INFO] running `"docker" "start" "-a" "038ff1f0ff27382da568f14a3e35483d4d9135d19cb8de244901a93b00a3d961"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking xmobar-tmux v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `compile` found for mutable reference `&mut regex::RegexBuilder` in the current scope
[INFO] [stderr]   --> src/main.rs:13:86
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let re = RegexBuilder::new(r"^([^:]*):.+?(\(attached\))?$").multi_line(true).compile().unwrap();
[INFO] [stderr]    |                                                                                      ^^^^^^^ method not found in `&mut regex::RegexBuilder`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `xmobar-tmux`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `compile` found for mutable reference `&mut regex::RegexBuilder` in the current scope
[INFO] [stderr]   --> src/main.rs:13:86
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let re = RegexBuilder::new(r"^([^:]*):.+?(\(attached\))?$").multi_line(true).compile().unwrap();
[INFO] [stderr]    |                                                                                      ^^^^^^^ method not found in `&mut regex::RegexBuilder`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `xmobar-tmux`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "038ff1f0ff27382da568f14a3e35483d4d9135d19cb8de244901a93b00a3d961"`
[INFO] running `"docker" "rm" "-f" "038ff1f0ff27382da568f14a3e35483d4d9135d19cb8de244901a93b00a3d961"`
[INFO] [stdout] 038ff1f0ff27382da568f14a3e35483d4d9135d19cb8de244901a93b00a3d961