[INFO] crate reproto-backend-json 0.3.36 is already in cache
[INFO] extracting crate reproto-backend-json 0.3.36 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/reproto-backend-json/0.3.36
[INFO] extracting crate reproto-backend-json 0.3.36 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/reproto-backend-json/0.3.36
[INFO] validating manifest of reproto-backend-json-0.3.36 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of reproto-backend-json-0.3.36 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing reproto-backend-json-0.3.36
[INFO] finished frobbing reproto-backend-json-0.3.36
[INFO] frobbed toml for reproto-backend-json-0.3.36 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/reproto-backend-json/0.3.36/Cargo.toml
[INFO] started frobbing reproto-backend-json-0.3.36
[INFO] finished frobbing reproto-backend-json-0.3.36
[INFO] frobbed toml for reproto-backend-json-0.3.36 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/reproto-backend-json/0.3.36/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking reproto-backend-json-0.3.36 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/reproto-backend-json/0.3.36:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 08f2a15445b54a6f9c8e52f411b732531a90d832a9d53e2bb78e40ada515f157
[INFO] running `"docker" "start" "-a" "08f2a15445b54a6f9c8e52f411b732531a90d832a9d53e2bb78e40ada515f157"`
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling lalrpop-util v0.15.2
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]     Checking lalrpop-util v0.13.1
[INFO] [stderr]     Checking reproto-path-lexer v0.3.36
[INFO] [stderr]     Checking reproto-naming v0.3.36
[INFO] [stderr]     Checking genco v0.3.30
[INFO] [stderr]     Checking ropey v0.6.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]     Checking serde_test v1.0.99
[INFO] [stderr]     Checking reproto-semver v0.3.36
[INFO] [stderr]     Checking relative-path v0.3.7
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking relative-path v0.1.5
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr] error[E0521]: borrowed data escapes outside of function
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:32
[INFO] [stderr]     |
[INFO] [stderr] 132 |         tokens: Tokens<'a, JavaScript<'a>>,
[INFO] [stderr]     |         ------ `tokens` is a reference that is only valid in the function body
[INFO] [stderr] 133 |         out: &mut Formatter,
[INFO] [stderr] 134 |         extra: &mut Self::Extra,
[INFO] [stderr]     |         ----- `extra` is declared here, outside of the function body
[INFO] [stderr] ...
[INFO] [stderr] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^ `tokens` escapes the function body here
[INFO] [stderr] 
[INFO] [stderr] error[E0597]: `tokens` does not live long enough
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/genco-0.3.30/src/js.rs:139:46
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl<'el> Custom for JavaScript<'el> {
[INFO] [stderr]     |      --- lifetime `'el` defined here
[INFO] [stderr] ...
[INFO] [stderr] 139 |         if let Some(imports) = Self::imports(&tokens) {
[INFO] [stderr]     |                                --------------^^^^^^^-
[INFO] [stderr]     |                                |             |
[INFO] [stderr]     |                                |             borrowed value does not live long enough
[INFO] [stderr]     |                                argument requires that `tokens` is borrowed for `'el`
[INFO] [stderr] ...
[INFO] [stderr] 145 |     }
[INFO] [stderr]     |     - `tokens` dropped here while still borrowed
[INFO] [stderr] 
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0597`.
[INFO] [stderr] error: Could not compile `genco`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "08f2a15445b54a6f9c8e52f411b732531a90d832a9d53e2bb78e40ada515f157"`
[INFO] running `"docker" "rm" "-f" "08f2a15445b54a6f9c8e52f411b732531a90d832a9d53e2bb78e40ada515f157"`
[INFO] [stdout] 08f2a15445b54a6f9c8e52f411b732531a90d832a9d53e2bb78e40ada515f157