[INFO] cloning repository https://github.com/ticki/dybuk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ticki/dybuk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Fdybuk"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Fdybuk'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef12906db51f30a1b45d3d69a3dd2b0bd9a4eb9a
[INFO] checking ticki/dybuk against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Fdybuk" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ticki/dybuk 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/ticki/dybuk
[INFO] finished tweaking git repo https://github.com/ticki/dybuk
[INFO] tweaked toml for git repo https://github.com/ticki/dybuk written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ticki/dybuk 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-0/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[INFO] the lockfile is outdated, regenerating it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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8ecc26c1e24a450c0b31b61e9f191e85583b05a8e937e0ddedb1a74f7dc64bc4
[INFO] running `"docker" "start" "-a" "8ecc26c1e24a450c0b31b61e9f191e85583b05a8e937e0ddedb1a74f7dc64bc4"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking dybuk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:59:29
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 file = caps.at(1).unwrap_or("?").to_string();
[INFO] [stderr]    |                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:61:52
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 res.push(Header(file.clone(), caps.at(2).unwrap_or("?").to_string()));
[INFO] [stderr]    |                                                    ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 let msg = caps.at(4).unwrap_or("?").to_string();
[INFO] [stderr]    |                                ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 match caps.at(3).unwrap_or("?") {
[INFO] [stderr]    |                            ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:83:38
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stderr]    |                                      ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:83:77
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stderr]    |                                                                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:59:29
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 file = caps.at(1).unwrap_or("?").to_string();
[INFO] [stderr]    |                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `dybuk`.
[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 `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:61:52
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 res.push(Header(file.clone(), caps.at(2).unwrap_or("?").to_string()));
[INFO] [stderr]    |                                                    ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 let msg = caps.at(4).unwrap_or("?").to_string();
[INFO] [stderr]    |                                ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 match caps.at(3).unwrap_or("?") {
[INFO] [stderr]    |                            ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:83:38
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stderr]    |                                      ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/parse.rs:83:77
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stderr]    |                                                                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `dybuk`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8ecc26c1e24a450c0b31b61e9f191e85583b05a8e937e0ddedb1a74f7dc64bc4"`
[INFO] running `"docker" "rm" "-f" "8ecc26c1e24a450c0b31b61e9f191e85583b05a8e937e0ddedb1a74f7dc64bc4"`
[INFO] [stdout] 8ecc26c1e24a450c0b31b61e9f191e85583b05a8e937e0ddedb1a74f7dc64bc4