[INFO] fetching crate slag 0.1.1...
[INFO] checking slag-0.1.1 against beta for pr-78714
[INFO] extracting crate slag 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate slag 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slag 0.1.1
[INFO] finished tweaking crates.io crate slag 0.1.1
[INFO] tweaked toml for crates.io crate slag 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80030c6c119b3f6e93d20b81522d4114e23fb5b6b905425f275f727f5932605e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80030c6c119b3f6e93d20b81522d4114e23fb5b6b905425f275f727f5932605e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80030c6c119b3f6e93d20b81522d4114e23fb5b6b905425f275f727f5932605e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80030c6c119b3f6e93d20b81522d4114e23fb5b6b905425f275f727f5932605e", kill_on_drop: false }`
[INFO] [stdout] 80030c6c119b3f6e93d20b81522d4114e23fb5b6b905425f275f727f5932605e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52cf41f9d4bd8292459769db1860ca50ebcea25710eabd1040e140bfe63dee37
[INFO] running `Command { std: "docker" "start" "-a" "52cf41f9d4bd8292459769db1860ca50ebcea25710eabd1040e140bfe63dee37", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking syntex_syntax v0.7.0
[INFO] [stdout] error: no rules expected the token `flags`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     flags Restrictions: u8 {
[INFO] [stdout]    |     ^^^^^ no rules expected this token in macro call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Restrictions`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |             restrictions: Restrictions::empty(),
[INFO] [stdout]     |                           ^^^^^^^^^^^^ use of undeclared type `Restrictions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Restrictions`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2975:29
[INFO] [stdout]      |
[INFO] [stdout] 2975 |         self.parse_expr_res(Restrictions::empty())
[INFO] [stdout]      |                             ^^^^^^^^^^^^ use of undeclared type `Restrictions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Restrictions` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:258:23
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub restrictions: Restrictions,
[INFO] [stdout]     |                       ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2184:29
[INFO] [stdout]      |
[INFO] [stdout] 2184 | ...                   RESTRICTION_NO_STRUCT_LITERAL
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2747:48
[INFO] [stdout]      |
[INFO] [stdout] 2747 |         let restrictions = self.restrictions & RESTRICTION_NO_STRUCT_LITERAL;
[INFO] [stdout]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2802:52
[INFO] [stdout]      |
[INFO] [stdout] 2802 |                 return !self.restrictions.contains(RESTRICTION_NO_STRUCT_LITERAL);
[INFO] [stdout]      |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2816:45
[INFO] [stdout]      |
[INFO] [stdout] 2816 |         let cond = try!(self.parse_expr_res(RESTRICTION_NO_STRUCT_LITERAL));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2834:45
[INFO] [stdout]      |
[INFO] [stdout] 2834 |         let expr = try!(self.parse_expr_res(RESTRICTION_NO_STRUCT_LITERAL));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2892:45
[INFO] [stdout]      |
[INFO] [stdout] 2892 |         let expr = try!(self.parse_expr_res(RESTRICTION_NO_STRUCT_LITERAL));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2905:45
[INFO] [stdout]      |
[INFO] [stdout] 2905 |         let cond = try!(self.parse_expr_res(RESTRICTION_NO_STRUCT_LITERAL));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2917:45
[INFO] [stdout]      |
[INFO] [stdout] 2917 |         let expr = try!(self.parse_expr_res(RESTRICTION_NO_STRUCT_LITERAL));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_NO_STRUCT_LITERAL` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2932:53
[INFO] [stdout]      |
[INFO] [stdout] 2932 |         let discriminant = try!(self.parse_expr_res(RESTRICTION_NO_STRUCT_LITERAL));
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_STMT_EXPR` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2953:45
[INFO] [stdout]      |
[INFO] [stdout] 2953 |         let expr = try!(self.parse_expr_res(RESTRICTION_STMT_EXPR));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Restrictions` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:2979:41
[INFO] [stdout]      |
[INFO] [stdout] 2979 |     pub fn parse_expr_res(&mut self, r: Restrictions) -> PResult<P<Expr>> {
[INFO] [stdout]      |                                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_STMT_EXPR` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:3551:54
[INFO] [stdout]      |
[INFO] [stdout] 3551 |                     let e = try!(self.parse_expr_res(RESTRICTION_STMT_EXPR));
[INFO] [stdout]      |                                                      ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RESTRICTION_STMT_EXPR` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/parse/parser.rs:3560:36
[INFO] [stdout]      |
[INFO] [stdout] 3560 |         self.restrictions.contains(RESTRICTION_STMT_EXPR) &&
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0532]: expected tuple struct or tuple variant, found unit variant `FkFnBlock`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.7.0/src/visit.rs:615:9
[INFO] [stdout]     |
[INFO] [stdout] 615 |         FkFnBlock(..) => {}
[INFO] [stdout]     |         ^^^^^^^^^ not a tuple struct or tuple variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0532.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "52cf41f9d4bd8292459769db1860ca50ebcea25710eabd1040e140bfe63dee37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52cf41f9d4bd8292459769db1860ca50ebcea25710eabd1040e140bfe63dee37", kill_on_drop: false }`
[INFO] [stdout] 52cf41f9d4bd8292459769db1860ca50ebcea25710eabd1040e140bfe63dee37