[INFO] fetching crate when 0.1.4... [INFO] checking when-0.1.4 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037 [INFO] extracting crate when 0.1.4 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate when 0.1.4 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate when 0.1.4 [INFO] finished tweaking crates.io crate when 0.1.4 [INFO] tweaked toml for crates.io crate when 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded ucd-util v0.1.8 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded parse-zoneinfo v0.1.1 [INFO] [stderr] Downloaded chrono-tz v0.4.1 [INFO] [stderr] Downloaded synstructure v0.12.4 [INFO] [stderr] Downloaded failure v0.1.8 [INFO] [stderr] Downloaded time v0.1.44 [INFO] [stderr] Downloaded failure_derive v0.1.8 [INFO] [stderr] Downloaded version_check v0.1.5 [INFO] [stderr] Downloaded nom v4.2.3 [INFO] [stderr] Downloaded tuple v0.4.2 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded utf8-ranges v1.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a91cffbdce4e0255f59ceb487b3da9bbfce01f4db3e8acb6de146d9a3f7e3ac6 [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" "a91cffbdce4e0255f59ceb487b3da9bbfce01f4db3e8acb6de146d9a3f7e3ac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a91cffbdce4e0255f59ceb487b3da9bbfce01f4db3e8acb6de146d9a3f7e3ac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91cffbdce4e0255f59ceb487b3da9bbfce01f4db3e8acb6de146d9a3f7e3ac6", kill_on_drop: false }` [INFO] [stdout] a91cffbdce4e0255f59ceb487b3da9bbfce01f4db3e8acb6de146d9a3f7e3ac6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] dfed5206bbe06cdfb07ec936900050065775af4c69176ad49f6fb4da5b8a15a0 [INFO] running `Command { std: "docker" "start" "-a" "dfed5206bbe06cdfb07ec936900050065775af4c69176ad49f6fb4da5b8a15a0", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.71 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Checking backtrace v0.3.58 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling parse-zoneinfo v0.1.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling chrono-tz v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking tuple v0.4.2 [INFO] [stderr] Checking when v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/rules/combinators.rs:178:1 [INFO] [stdout] | [INFO] [stdout] 178 | /// Trim spaces, special symbols and commas until any non-whitespace character appears [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/rules/combinators.rs:187:1 [INFO] [stdout] | [INFO] [stdout] 187 | / /// Ignores whitespaces using "trim" and then consumes alphabetical characters in a string until [INFO] [stdout] 188 | | /// any non alpha-numeric character appears or the string has been exhausted: [INFO] [stdout] 189 | | /// [INFO] [stdout] 190 | | /// " , abracadabra " -> "abracadabra" [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/rules/combinators.rs:195:1 [INFO] [stdout] | [INFO] [stdout] 195 | / /// Consumes all spaces before a word, the word itself and all spaces after the word and returns [INFO] [stdout] 196 | | /// total number of consumed characters: [INFO] [stdout] 197 | | /// [INFO] [stdout] 198 | | /// " , abracadabra " -> 17 [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/rules/combinators.rs:206:1 [INFO] [stdout] | [INFO] [stdout] 206 | / /// Ignores whitespaces using "trim" and then consumes digits in a string until [INFO] [stdout] 207 | | /// any non digit character appears or the string has been exhausted, and in case of success [INFO] [stdout] 208 | | /// converts the number from the string representation into i32: [INFO] [stdout] 209 | | /// [INFO] [stdout] 210 | | /// " , -321 " -> -321 [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/rules/combinators.rs:178:1 [INFO] [stdout] | [INFO] [stdout] 178 | /// Trim spaces, special symbols and commas until any non-whitespace character appears [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/rules/combinators.rs:187:1 [INFO] [stdout] | [INFO] [stdout] 187 | / /// Ignores whitespaces using "trim" and then consumes alphabetical characters in a string until [INFO] [stdout] 188 | | /// any non alpha-numeric character appears or the string has been exhausted: [INFO] [stdout] 189 | | /// [INFO] [stdout] 190 | | /// " , abracadabra " -> "abracadabra" [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/rules/combinators.rs:195:1 [INFO] [stdout] | [INFO] [stdout] 195 | / /// Consumes all spaces before a word, the word itself and all spaces after the word and returns [INFO] [stdout] 196 | | /// total number of consumed characters: [INFO] [stdout] 197 | | /// [INFO] [stdout] 198 | | /// " , abracadabra " -> 17 [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/rules/combinators.rs:206:1 [INFO] [stdout] | [INFO] [stdout] 206 | / /// Ignores whitespaces using "trim" and then consumes digits in a string until [INFO] [stdout] 207 | | /// any non digit character appears or the string has been exhausted, and in case of success [INFO] [stdout] 208 | | /// converts the number from the string representation into i32: [INFO] [stdout] 209 | | /// [INFO] [stdout] 210 | | /// " , -321 " -> -321 [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "dfed5206bbe06cdfb07ec936900050065775af4c69176ad49f6fb4da5b8a15a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfed5206bbe06cdfb07ec936900050065775af4c69176ad49f6fb4da5b8a15a0", kill_on_drop: false }` [INFO] [stdout] dfed5206bbe06cdfb07ec936900050065775af4c69176ad49f6fb4da5b8a15a0