[INFO] crate malk-lexer 0.1.1 is already in cache
[INFO] checking malk-lexer-0.1.1 against beta-2019-10-27 for pr-65897
[INFO] extracting crate malk-lexer 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate malk-lexer 0.1.1 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate malk-lexer 0.1.1
[INFO] finished tweaking crates.io crate malk-lexer 0.1.1
[INFO] tweaked toml for crates.io crate malk-lexer 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9efb16fba76d6116ad37c406ab3b56b4bbba84f9ea16eb21629e190163ba09eb
[INFO] running `"docker" "start" "-a" "9efb16fba76d6116ad37c406ab3b56b4bbba84f9ea16eb21629e190163ba09eb"`
[INFO] [stderr]     Checking unicode-brackets v0.1.1
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking malk-lexer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pattern)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(unicode)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pattern)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(unicode)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if c.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]    --> src/lex.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 if !c.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_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if c.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]    --> src/lex.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 if !c.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_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:370:26
[INFO] [stderr]     |
[INFO] [stderr] 370 |                        c.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: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:370:26
[INFO] [stderr]     |
[INFO] [stderr] 370 |                        c.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: could not compile `malk-lexer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `malk-lexer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9efb16fba76d6116ad37c406ab3b56b4bbba84f9ea16eb21629e190163ba09eb"`
[INFO] running `"docker" "rm" "-f" "9efb16fba76d6116ad37c406ab3b56b4bbba84f9ea16eb21629e190163ba09eb"`
[INFO] [stdout] 9efb16fba76d6116ad37c406ab3b56b4bbba84f9ea16eb21629e190163ba09eb