[INFO] fetching crate cheddar 0.2.1...
[INFO] testing cheddar-0.2.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate cheddar 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cheddar 0.2.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded any-cache v0.2.3
[INFO] [stderr]   Downloaded warmy v0.10.0
[INFO] [stderr]   Downloaded glsl v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211d446fdab051ca6267c29d76a43099079818beb0998965517f6bba8f9bc991
[INFO] running `Command { std: "docker" "start" "-a" "211d446fdab051ca6267c29d76a43099079818beb0998965517f6bba8f9bc991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211d446fdab051ca6267c29d76a43099079818beb0998965517f6bba8f9bc991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211d446fdab051ca6267c29d76a43099079818beb0998965517f6bba8f9bc991", kill_on_drop: false }`
[INFO] [stdout] 211d446fdab051ca6267c29d76a43099079818beb0998965517f6bba8f9bc991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a20d199f1105f61272204d4347c57d1d33d62cd6a0cbf1f850199efa16ef895
[INFO] running `Command { std: "docker" "start" "-a" "1a20d199f1105f61272204d4347c57d1d33d62cd6a0cbf1f850199efa16ef895", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling any-cache v0.2.3
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling glsl v0.9.2
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling warmy v0.10.0
[INFO] [stderr]    Compiling cheddar v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #![feature(box_syntax)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:258:1
[INFO] [stdout]     |
[INFO] [stdout] 258 | #![feature(box_patterns)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1028:1
[INFO] [stdout]      |
[INFO] [stdout] 1028 | /// Parse a module separator and a module name.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1037:1
[INFO] [stdout]      |
[INFO] [stdout] 1037 | / /// Parse a module path.
[INFO] [stdout] 1038 | | ///
[INFO] [stdout] 1039 | | /// foo
[INFO] [stdout] 1040 | | /// foo.bar
[INFO] [stdout] 1041 | | /// foo.bar.zoo
[INFO] [stdout]      | |_--------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1060:1
[INFO] [stdout]      |
[INFO] [stdout] 1060 | / /// Parse a symbol list.
[INFO] [stdout] 1061 | | ///
[INFO] [stdout] 1062 | | ///     ( item0, item1, item2, …)
[INFO] [stdout]      | |_--------------------------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1072:1
[INFO] [stdout]      |
[INFO] [stdout] 1072 | /// Parse an import list.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1082:1
[INFO] [stdout]      |
[INFO] [stdout] 1082 | /// Parse a module.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:759:24
[INFO] [stdout]     |
[INFO] [stdout] 759 |   LoadError(FSKey, Box<Debug>),
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 759 |   LoadError(FSKey, Box<dyn Debug>),
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cheddar` due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1a20d199f1105f61272204d4347c57d1d33d62cd6a0cbf1f850199efa16ef895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a20d199f1105f61272204d4347c57d1d33d62cd6a0cbf1f850199efa16ef895", kill_on_drop: false }`
[INFO] [stdout] 1a20d199f1105f61272204d4347c57d1d33d62cd6a0cbf1f850199efa16ef895
