[INFO] fetching crate monilog 0.1.1...
[INFO] checking monilog-0.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate monilog 0.1.1 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate monilog 0.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monilog 0.1.1
[INFO] finished tweaking crates.io crate monilog 0.1.1
[INFO] tweaked toml for crates.io crate monilog 0.1.1 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a42f0b629655f632c54c32cf68e3251c7a8df42eed48cdd93b32dbf7fca130b9
[INFO] running `Command { std: "docker" "start" "-a" "a42f0b629655f632c54c32cf68e3251c7a8df42eed48cdd93b32dbf7fca130b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a42f0b629655f632c54c32cf68e3251c7a8df42eed48cdd93b32dbf7fca130b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42f0b629655f632c54c32cf68e3251c7a8df42eed48cdd93b32dbf7fca130b9", kill_on_drop: false }`
[INFO] [stdout] a42f0b629655f632c54c32cf68e3251c7a8df42eed48cdd93b32dbf7fca130b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d54c7bf650f8bdaa22977dd484bc0da026333569d3b2c621c8dfa59735f95db
[INFO] running `Command { std: "docker" "start" "-a" "1d54c7bf650f8bdaa22977dd484bc0da026333569d3b2c621c8dfa59735f95db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking monilog v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/main.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         print!("{} ", captures.at(1).unwrap());
[INFO] [stdout]    |                                                ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/main.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |                         match captures.at(2).unwrap() {
[INFO] [stdout]    |                                        ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]    --> src/main.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         print!("{} ", captures.at(2).unwrap());
[INFO] [stdout]     |                                                ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]    --> src/main.rs:106:49
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         print!("{}\n", captures.at(3).unwrap());
[INFO] [stdout]     |                                                 ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `monilog` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/main.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         print!("{} ", captures.at(1).unwrap());
[INFO] [stdout]    |                                                ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]   --> src/main.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |                         match captures.at(2).unwrap() {
[INFO] [stdout]    |                                        ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]    --> src/main.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         print!("{} ", captures.at(2).unwrap());
[INFO] [stdout]     |                                                ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `at` found for reference `&regex::Captures<'_>` in the current scope
[INFO] [stdout]    --> src/main.rs:106:49
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         print!("{}\n", captures.at(3).unwrap());
[INFO] [stdout]     |                                                 ^^ method not found in `&regex::Captures<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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" "1d54c7bf650f8bdaa22977dd484bc0da026333569d3b2c621c8dfa59735f95db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d54c7bf650f8bdaa22977dd484bc0da026333569d3b2c621c8dfa59735f95db", kill_on_drop: false }`
[INFO] [stdout] 1d54c7bf650f8bdaa22977dd484bc0da026333569d3b2c621c8dfa59735f95db