[INFO] cloning repository https://github.com/mattcl/xmobar-tmux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattcl/xmobar-tmux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fxmobar-tmux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fxmobar-tmux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86e22f7bc3720db390572c8ea54a7ffd154d19f4
[INFO] checking mattcl/xmobar-tmux against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fxmobar-tmux" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/xmobar-tmux on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcl/xmobar-tmux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b1422fb623b296b369d60db98ad38a2cfebf6c51653bccb8dea50de17e56ae3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b1422fb623b296b369d60db98ad38a2cfebf6c51653bccb8dea50de17e56ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b1422fb623b296b369d60db98ad38a2cfebf6c51653bccb8dea50de17e56ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1422fb623b296b369d60db98ad38a2cfebf6c51653bccb8dea50de17e56ae3", kill_on_drop: false }`
[INFO] [stdout] 0b1422fb623b296b369d60db98ad38a2cfebf6c51653bccb8dea50de17e56ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d88d8465d654d74b4b438f4519a980a7a84d4eb9e473823d1be0c779e1bcfc58
[INFO] running `Command { std: "docker" "start" "-a" "d88d8465d654d74b4b438f4519a980a7a84d4eb9e473823d1be0c779e1bcfc58", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking xmobar-tmux v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `compile` found for mutable reference `&mut regex::RegexBuilder` in the current scope
[INFO] [stdout]   --> src/main.rs:13:86
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let re = RegexBuilder::new(r"^([^:]*):.+?(\(attached\))?$").multi_line(true).compile().unwrap();
[INFO] [stdout]    |                                                                                      ^^^^^^^ method not found in `&mut regex::RegexBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[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] [stdout] error[E0599]: no method named `compile` found for mutable reference `&mut regex::RegexBuilder` in the current scope
[INFO] [stdout]   --> src/main.rs:13:86
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let re = RegexBuilder::new(r"^([^:]*):.+?(\(attached\))?$").multi_line(true).compile().unwrap();
[INFO] [stdout]    |                                                                                      ^^^^^^^ method not found in `&mut regex::RegexBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d88d8465d654d74b4b438f4519a980a7a84d4eb9e473823d1be0c779e1bcfc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88d8465d654d74b4b438f4519a980a7a84d4eb9e473823d1be0c779e1bcfc58", kill_on_drop: false }`
[INFO] [stdout] d88d8465d654d74b4b438f4519a980a7a84d4eb9e473823d1be0c779e1bcfc58