[INFO] cloning repository https://github.com/log-e/learn-rust-by-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/log-e/learn-rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flog-e%2Flearn-rust-by-example"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flog-e%2Flearn-rust-by-example'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9df828f50c7aadcbd9651185ab5636af912e987c [INFO] checking log-e/learn-rust-by-example against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flog-e%2Flearn-rust-by-example" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/log-e/learn-rust-by-example on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/log-e/learn-rust-by-example [INFO] finished tweaking git repo https://github.com/log-e/learn-rust-by-example [INFO] tweaked toml for git repo https://github.com/log-e/learn-rust-by-example written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/log-e/learn-rust-by-example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 6d9c1c49ed7f227f2522a75bd3ae3bd7520934e2212f3522786b4e512beafd40 [INFO] running `"docker" "start" "-a" "6d9c1c49ed7f227f2522a75bd3ae3bd7520934e2212f3522786b4e512beafd40"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking learn-rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/helloWorld/print/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | /// positional parameters [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | /// named parameters [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | /// $ 用来指定宽度 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | /// < 左对齐， ^ 居中对齐， > 右对齐 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | /// 这里的 0 表示填充 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | /// 默认情况下 fill/alignment，非数字 是 空格 和 左对齐，数字是 0 和 右对齐 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/helloWorld/print/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | /// positional parameters [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | /// named parameters [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | /// $ 用来指定宽度 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | /// < 左对齐， ^ 居中对齐， > 右对齐 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | /// 这里的 0 表示填充 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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/helloWorld/print/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | /// 默认情况下 fill/alignment，非数字 是 空格 和 左对齐，数字是 0 和 右对齐 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `"docker" "inspect" "6d9c1c49ed7f227f2522a75bd3ae3bd7520934e2212f3522786b4e512beafd40"` [INFO] running `"docker" "rm" "-f" "6d9c1c49ed7f227f2522a75bd3ae3bd7520934e2212f3522786b4e512beafd40"` [INFO] [stdout] 6d9c1c49ed7f227f2522a75bd3ae3bd7520934e2212f3522786b4e512beafd40