[INFO] cloning repository https://github.com/ticki/dybuk
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Fdybuk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef12906db51f30a1b45d3d69a3dd2b0bd9a4eb9a
[INFO] checking ticki/dybuk against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Fdybuk" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[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 af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83aaeb758bf6c35a91b0bdaa0854fb946089bb1e8a6b7e166108ea7967d0c30f
[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" "83aaeb758bf6c35a91b0bdaa0854fb946089bb1e8a6b7e166108ea7967d0c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83aaeb758bf6c35a91b0bdaa0854fb946089bb1e8a6b7e166108ea7967d0c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aaeb758bf6c35a91b0bdaa0854fb946089bb1e8a6b7e166108ea7967d0c30f", kill_on_drop: false }`
[INFO] [stdout] 83aaeb758bf6c35a91b0bdaa0854fb946089bb1e8a6b7e166108ea7967d0c30f
[INFO] running `Command { std: "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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 810b38d272472793165437c915fdc71751d2e2b1fe00e215d1cc3a8fe408f948
[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" "810b38d272472793165437c915fdc71751d2e2b1fe00e215d1cc3a8fe408f948", kill_on_drop: false }`
[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 regex v1.3.9
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking dybuk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 file = caps.at(1).unwrap_or("?").to_string();
[INFO] [stdout]    |                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:61:52
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 res.push(Header(file.clone(), caps.at(2).unwrap_or("?").to_string()));
[INFO] [stdout]    |                                                    ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 let msg = caps.at(4).unwrap_or("?").to_string();
[INFO] [stdout]    |                                ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 match caps.at(3).unwrap_or("?") {
[INFO] [stdout]    |                            ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 file = caps.at(1).unwrap_or("?").to_string();
[INFO] [stdout]    |                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:61:52
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 res.push(Header(file.clone(), caps.at(2).unwrap_or("?").to_string()));
[INFO] [stdout]    |                                                    ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:83:38
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stdout]    |                                      ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 let msg = caps.at(4).unwrap_or("?").to_string();
[INFO] [stdout]    |                                ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:83:77
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stdout]    |                                                                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 match caps.at(3).unwrap_or("?") {
[INFO] [stdout]    |                            ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:83:38
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stdout]    |                                      ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for struct `regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/parse.rs:83:77
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 res.push(Source(caps.at(1).unwrap_or("?").to_string(), caps.at(2).unwrap_or("????").to_string()));
[INFO] [stdout]    |                                                                             ^^ method not found in `regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[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] [stdout] error: aborting due to 6 previous errors
[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" "810b38d272472793165437c915fdc71751d2e2b1fe00e215d1cc3a8fe408f948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810b38d272472793165437c915fdc71751d2e2b1fe00e215d1cc3a8fe408f948", kill_on_drop: false }`
[INFO] [stdout] 810b38d272472793165437c915fdc71751d2e2b1fe00e215d1cc3a8fe408f948
