[INFO] crate cheddar 0.2.1 is already in cache
[INFO] checking cheddar-0.2.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate cheddar 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cheddar 0.2.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cheddar 0.2.1
[INFO] finished tweaking crates.io crate cheddar 0.2.1
[INFO] tweaked toml for crates.io crate cheddar 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 6b740c11d594560c5ef1f0940d7a668e24e67dbf2a23e7b94a521e2430cbe6e9
[INFO] running `"docker" "start" "-a" "6b740c11d594560c5ef1f0940d7a668e24e67dbf2a23e7b94a521e2430cbe6e9"`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking any-cache v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking glsl v0.9.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking warmy v0.10.0
[INFO] [stderr]     Checking cheddar v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1028:1
[INFO] [stderr]      |
[INFO] [stderr] 1028 | /// Parse a module separator and a module name.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1037:1
[INFO] [stderr]      |
[INFO] [stderr] 1037 | /// Parse a module path.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1038:1
[INFO] [stderr]      |
[INFO] [stderr] 1038 | ///
[INFO] [stderr]      | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1039:1
[INFO] [stderr]      |
[INFO] [stderr] 1039 | /// foo
[INFO] [stderr]      | ^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1040:1
[INFO] [stderr]      |
[INFO] [stderr] 1040 | /// foo.bar
[INFO] [stderr]      | ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1041:1
[INFO] [stderr]      |
[INFO] [stderr] 1041 | /// foo.bar.zoo
[INFO] [stderr]      | ^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1060:1
[INFO] [stderr]      |
[INFO] [stderr] 1060 | /// Parse a symbol list.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1061:1
[INFO] [stderr]      |
[INFO] [stderr] 1061 | ///
[INFO] [stderr]      | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1062:1
[INFO] [stderr]      |
[INFO] [stderr] 1062 | ///     ( item0, item1, item2, …)
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1072:1
[INFO] [stderr]      |
[INFO] [stderr] 1072 | /// Parse an import list.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1082:1
[INFO] [stderr]      |
[INFO] [stderr] 1082 | /// Parse a module.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:759:24
[INFO] [stderr]     |
[INFO] [stderr] 759 |   LoadError(FSKey, Box<Debug>),
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1028:1
[INFO] [stderr]      |
[INFO] [stderr] 1028 | /// Parse a module separator and a module name.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1037:1
[INFO] [stderr]      |
[INFO] [stderr] 1037 | /// Parse a module path.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1038:1
[INFO] [stderr]      |
[INFO] [stderr] 1038 | ///
[INFO] [stderr]      | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1039:1
[INFO] [stderr]      |
[INFO] [stderr] 1039 | /// foo
[INFO] [stderr]      | ^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1040:1
[INFO] [stderr]      |
[INFO] [stderr] 1040 | /// foo.bar
[INFO] [stderr]      | ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1041:1
[INFO] [stderr]      |
[INFO] [stderr] 1041 | /// foo.bar.zoo
[INFO] [stderr]      | ^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1060:1
[INFO] [stderr]      |
[INFO] [stderr] 1060 | /// Parse a symbol list.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1061:1
[INFO] [stderr]      |
[INFO] [stderr] 1061 | ///
[INFO] [stderr]      | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1062:1
[INFO] [stderr]      |
[INFO] [stderr] 1062 | ///     ( item0, item1, item2, …)
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1072:1
[INFO] [stderr]      |
[INFO] [stderr] 1072 | /// Parse an import list.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/lib.rs:1082:1
[INFO] [stderr]      |
[INFO] [stderr] 1082 | /// Parse a module.
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:759:24
[INFO] [stderr]     |
[INFO] [stderr] 759 |   LoadError(FSKey, Box<Debug>),
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
[INFO] running `"docker" "inspect" "6b740c11d594560c5ef1f0940d7a668e24e67dbf2a23e7b94a521e2430cbe6e9"`
[INFO] running `"docker" "rm" "-f" "6b740c11d594560c5ef1f0940d7a668e24e67dbf2a23e7b94a521e2430cbe6e9"`
[INFO] [stdout] 6b740c11d594560c5ef1f0940d7a668e24e67dbf2a23e7b94a521e2430cbe6e9