[INFO] fetching crate cheddar 0.2.1... [INFO] testing cheddar-0.2.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate cheddar 0.2.1 into /workspace/builds/worker-68/source [INFO] validating manifest of crates.io crate cheddar 0.2.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-68/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nom v3.2.1 [INFO] [stderr] Downloaded any-cache v0.2.3 [INFO] [stderr] Downloaded glsl v0.9.2 [INFO] [stderr] Downloaded warmy v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e498a2baf94dac0edc338d29bf6c82744a66371fe1a1c491b2507ba44e4b79f7 [INFO] running `Command { std: "docker" "start" "-a" "e498a2baf94dac0edc338d29bf6c82744a66371fe1a1c491b2507ba44e4b79f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e498a2baf94dac0edc338d29bf6c82744a66371fe1a1c491b2507ba44e4b79f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e498a2baf94dac0edc338d29bf6c82744a66371fe1a1c491b2507ba44e4b79f7", kill_on_drop: false }` [INFO] [stdout] e498a2baf94dac0edc338d29bf6c82744a66371fe1a1c491b2507ba44e4b79f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e684f82d15b711a7101b51dcef407e27d385223012d415d7247b36f7c6e00a86 [INFO] running `Command { std: "docker" "start" "-a" "e684f82d15b711a7101b51dcef407e27d385223012d415d7247b36f7c6e00a86", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling any-cache v0.2.3 [INFO] [stderr] Compiling net2 v0.2.37 [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 v0.2.15 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling inotify v0.7.1 [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] = note: `#[warn(unused_doc_comments)]` on by default [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: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), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 759 - LoadError(FSKey, Box), [INFO] [stdout] 759 + LoadError(FSKey, Box), [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e684f82d15b711a7101b51dcef407e27d385223012d415d7247b36f7c6e00a86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e684f82d15b711a7101b51dcef407e27d385223012d415d7247b36f7c6e00a86", kill_on_drop: false }` [INFO] [stdout] e684f82d15b711a7101b51dcef407e27d385223012d415d7247b36f7c6e00a86