[INFO] fetching crate perfcnt 0.6.0... [INFO] checking perfcnt-0.6.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate perfcnt 0.6.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate perfcnt 0.6.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate perfcnt 0.6.0 [INFO] finished tweaking crates.io crate perfcnt 0.6.0 [INFO] tweaked toml for crates.io crate perfcnt 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate perfcnt 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mmap v0.1.1 [INFO] [stderr] Downloaded raw-cpuid v8.1.0 [INFO] [stderr] Downloaded x86 v0.34.0 [INFO] [stderr] Downloaded bit_field v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e460092f7d26a7ae07031259e029e8ee3ce8356bb96f41c7b7225a4ef03ae3ab [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" "e460092f7d26a7ae07031259e029e8ee3ce8356bb96f41c7b7225a4ef03ae3ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e460092f7d26a7ae07031259e029e8ee3ce8356bb96f41c7b7225a4ef03ae3ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e460092f7d26a7ae07031259e029e8ee3ce8356bb96f41c7b7225a4ef03ae3ab", kill_on_drop: false }` [INFO] [stdout] e460092f7d26a7ae07031259e029e8ee3ce8356bb96f41c7b7225a4ef03ae3ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] bef3fb84d40ce39c223a7ea75c6b929df9fb500dcfbffe67ef7fed03cac5889c [INFO] running `Command { std: "docker" "start" "-a" "bef3fb84d40ce39c223a7ea75c6b929df9fb500dcfbffe67ef7fed03cac5889c", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.112 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking siphasher v0.3.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking bit_field v0.10.0 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling raw-cpuid v8.1.0 [INFO] [stderr] Checking mmap v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling x86 v0.34.0 [INFO] [stderr] Checking perfcnt v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/linux/parser.rs:418:1 [INFO] [stdout] | [INFO] [stdout] 418 | /// Parse a perf file section. [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/linux/parser.rs:427:1 [INFO] [stdout] | [INFO] [stdout] 427 | /// Parse a perf string. [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/linux/parser.rs:440:1 [INFO] [stdout] | [INFO] [stdout] 440 | /// Parse a perf string 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/linux/parser.rs:557:1 [INFO] [stdout] | [INFO] [stdout] 557 | /// Parse a perf header [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/linux/parser.rs:615:1 [INFO] [stdout] | [INFO] [stdout] 615 | /// Parse a perf header [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/linux/parser.rs:418:1 [INFO] [stdout] | [INFO] [stdout] 418 | /// Parse a perf file section. [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/linux/parser.rs:427:1 [INFO] [stdout] | [INFO] [stdout] 427 | /// Parse a perf string. [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/linux/parser.rs:440:1 [INFO] [stdout] | [INFO] [stdout] 440 | /// Parse a perf string 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/linux/parser.rs:557:1 [INFO] [stdout] | [INFO] [stdout] 557 | /// Parse a perf header [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/linux/parser.rs:615:1 [INFO] [stdout] | [INFO] [stdout] 615 | /// Parse a perf header [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: field is never read: `attributes` [INFO] [stdout] --> src/linux/mod.rs:741:5 [INFO] [stdout] | [INFO] [stdout] 741 | attributes: perf_format::EventAttr, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pc` [INFO] [stdout] --> src/linux/mod.rs:789:5 [INFO] [stdout] | [INFO] [stdout] 789 | pc: PerfCounter, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `attributes` [INFO] [stdout] --> src/linux/mod.rs:741:5 [INFO] [stdout] | [INFO] [stdout] 741 | attributes: perf_format::EventAttr, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pc` [INFO] [stdout] --> src/linux/mod.rs:789:5 [INFO] [stdout] | [INFO] [stdout] 789 | pc: PerfCounter, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "bef3fb84d40ce39c223a7ea75c6b929df9fb500dcfbffe67ef7fed03cac5889c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bef3fb84d40ce39c223a7ea75c6b929df9fb500dcfbffe67ef7fed03cac5889c", kill_on_drop: false }` [INFO] [stdout] bef3fb84d40ce39c223a7ea75c6b929df9fb500dcfbffe67ef7fed03cac5889c