[INFO] fetching crate malk-lexer 0.1.1...
[INFO] checking malk-lexer-0.1.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate malk-lexer 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate malk-lexer 0.1.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (available: v0.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-brackets v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5bfdb98c8f7d9c16e69229e38f3f920d2b8c7527284cd9a408669e65b685b33
[INFO] running `Command { std: "docker" "start" "-a" "b5bfdb98c8f7d9c16e69229e38f3f920d2b8c7527284cd9a408669e65b685b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5bfdb98c8f7d9c16e69229e38f3f920d2b8c7527284cd9a408669e65b685b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bfdb98c8f7d9c16e69229e38f3f920d2b8c7527284cd9a408669e65b685b33", kill_on_drop: false }`
[INFO] [stdout] b5bfdb98c8f7d9c16e69229e38f3f920d2b8c7527284cd9a408669e65b685b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abb4059cc45f450b062546151be8e57d932115a19f1162847ce8a69907901c59
[INFO] running `Command { std: "docker" "start" "-a" "abb4059cc45f450b062546151be8e57d932115a19f1162847ce8a69907901c59", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking unicode-brackets v0.1.1
[INFO] [stderr]     Checking malk-lexer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unicode)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unicode)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if c.is_xid_start() {
[INFO] [stdout]     |              ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unicode-xid-0.0.3/src/lib.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout] 72  |     fn is_xid_start(self) -> bool;
[INFO] [stdout]     |        ------------ the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_start` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 if !c.is_xid_continue() {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unicode-xid-0.0.3/src/lib.rs:80:8
[INFO] [stdout]     |
[INFO] [stdout] 80  |     fn is_xid_continue(self) -> bool;
[INFO] [stdout]     |        --------------- the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_continue` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if c.is_xid_start() {
[INFO] [stdout]     |              ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unicode-xid-0.0.3/src/lib.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout] 72  |     fn is_xid_start(self) -> bool;
[INFO] [stdout]     |        ------------ the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_start` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 if !c.is_xid_continue() {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unicode-xid-0.0.3/src/lib.rs:80:8
[INFO] [stdout]     |
[INFO] [stdout] 80  |     fn is_xid_continue(self) -> bool;
[INFO] [stdout]     |        --------------- the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_continue` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:370:26
[INFO] [stdout]     |
[INFO] [stdout] 370 |                        c.is_xid_start() ||
[INFO] [stdout]     |                          ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unicode-xid-0.0.3/src/lib.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout] 72  |     fn is_xid_start(self) -> bool;
[INFO] [stdout]     |        ------------ the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_start` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:370:26
[INFO] [stdout]     |
[INFO] [stdout] 370 |                        c.is_xid_start() ||
[INFO] [stdout]     |                          ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unicode-xid-0.0.3/src/lib.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout] 72  |     fn is_xid_start(self) -> bool;
[INFO] [stdout]     |        ------------ the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_start` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `malk-lexer` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `malk-lexer` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "abb4059cc45f450b062546151be8e57d932115a19f1162847ce8a69907901c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb4059cc45f450b062546151be8e57d932115a19f1162847ce8a69907901c59", kill_on_drop: false }`
[INFO] [stdout] abb4059cc45f450b062546151be8e57d932115a19f1162847ce8a69907901c59