[INFO] updating cached repository https://github.com/bittrance/cwppy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e51d15814cce81b7ebfc5352c5d7e1ed3745da5
[INFO] checking bittrance/cwppy against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbittrance%2Fcwppy" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bittrance/cwppy on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bittrance/cwppy
[INFO] finished tweaking git repo https://github.com/bittrance/cwppy
[INFO] tweaked toml for git repo https://github.com/bittrance/cwppy written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bittrance/cwppy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f9c88753571d2d436bf183906266c08e72e95478b75c8f1710774cfae3466333
[INFO] running `"docker" "start" "-a" "f9c88753571d2d436bf183906266c08e72e95478b75c8f1710774cfae3466333"`
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking inotify-sys v0.1.2
[INFO] [stderr]     Checking coco v0.2.1
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking inotify v0.5.1
[INFO] [stderr]     Checking historian v3.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking pagecache v0.4.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking sled v0.15.15
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking hamcrest2 v0.2.3
[INFO] [stderr]    Compiling speculate v0.1.0
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/speculate-0.1.0/src/block.rs:164:18
[INFO] [stderr]     |
[INFO] [stderr] 164 |     if !first_ch.is_xid_start() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/speculate-0.1.0/src/block.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |         if first_ch.is_xid_continue() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/speculate-0.1.0/src/block.rs:177:15
[INFO] [stderr]     |
[INFO] [stderr] 177 |         if ch.is_xid_continue() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `speculate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f9c88753571d2d436bf183906266c08e72e95478b75c8f1710774cfae3466333"`
[INFO] running `"docker" "rm" "-f" "f9c88753571d2d436bf183906266c08e72e95478b75c8f1710774cfae3466333"`
[INFO] [stdout] f9c88753571d2d436bf183906266c08e72e95478b75c8f1710774cfae3466333