[INFO] updating cached repository Nercury/monilog
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nercury/monilog
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nercury/monilog" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Nercury/monilog"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Nercury/monilog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nercury/monilog" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Nercury/monilog"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Nercury/monilog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 569cdc1607da23e43d870d0e89d571379bc89f3e
[INFO] sha for GitHub repo Nercury/monilog: 569cdc1607da23e43d870d0e89d571379bc89f3e
[INFO] validating manifest of Nercury/monilog on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nercury/monilog on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Nercury/monilog
[INFO] finished frobbing Nercury/monilog
[INFO] frobbed toml for Nercury/monilog written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Nercury/monilog/Cargo.toml
[INFO] started frobbing Nercury/monilog
[INFO] finished frobbing Nercury/monilog
[INFO] frobbed toml for Nercury/monilog written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Nercury/monilog/Cargo.toml
[INFO] crate Nercury/monilog already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Nercury/monilog/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Nercury/monilog against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Nercury/monilog:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ebce745de952b6c09b4340924b95b16e54dcac03a46b76226a988a9c4553dea1
[INFO] running `"docker" "start" "-a" "ebce745de952b6c09b4340924b95b16e54dcac03a46b76226a988a9c4553dea1"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking monilog v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/main.rs:92:48
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         print!("{} ", captures.at(1).unwrap());
[INFO] [stderr]    |                                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/main.rs:94:40
[INFO] [stderr]    |
[INFO] [stderr] 94 |                         match captures.at(2).unwrap() {
[INFO] [stderr]    |                                        ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:104:48
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         print!("{} ", captures.at(2).unwrap());
[INFO] [stderr]     |                                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:105:49
[INFO] [stderr]     |
[INFO] [stderr] 105 |                         print!("{}\n", captures.at(3).unwrap());
[INFO] [stderr]     |                                                 ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `monilog`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/main.rs:92:48
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         print!("{} ", captures.at(1).unwrap());
[INFO] [stderr]    |                                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]   --> src/main.rs:94:40
[INFO] [stderr]    |
[INFO] [stderr] 94 |                         match captures.at(2).unwrap() {
[INFO] [stderr]    |                                        ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:104:48
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         print!("{} ", captures.at(2).unwrap());
[INFO] [stderr]     |                                                ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `at` found for type `&regex::Captures<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:105:49
[INFO] [stderr]     |
[INFO] [stderr] 105 |                         print!("{}\n", captures.at(3).unwrap());
[INFO] [stderr]     |                                                 ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `monilog`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ebce745de952b6c09b4340924b95b16e54dcac03a46b76226a988a9c4553dea1"`
[INFO] running `"docker" "rm" "-f" "ebce745de952b6c09b4340924b95b16e54dcac03a46b76226a988a9c4553dea1"`
[INFO] [stdout] ebce745de952b6c09b4340924b95b16e54dcac03a46b76226a988a9c4553dea1