[INFO] fetching crate pyroscope_pyspy 0.2.3...
[INFO] checking pyroscope_pyspy-0.2.3 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate pyroscope_pyspy 0.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pyroscope_pyspy 0.2.3 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pyroscope_pyspy 0.2.3
[INFO] finished tweaking crates.io crate pyroscope_pyspy 0.2.3
[INFO] tweaked toml for crates.io crate pyroscope_pyspy 0.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.4.0
[INFO] [stderr]   Downloaded inferno v0.11.15
[INFO] [stderr]   Downloaded proc-maps v0.3.1
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded read-process-memory v0.1.6
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded libproc v0.10.0
[INFO] [stderr]   Downloaded libproc v0.12.0
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded libflate v1.4.0
[INFO] [stderr]   Downloaded clap_complete v3.2.5
[INFO] [stderr]   Downloaded pyroscope v0.5.7
[INFO] [stderr]   Downloaded py-spy v0.3.14
[INFO] [stderr]   Downloaded proc-maps v0.2.1
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded libproc v0.13.0
[INFO] [stderr]   Downloaded ruzstd v0.3.1
[INFO] [stderr]   Downloaded remoteprocess v0.4.12
[INFO] [stderr]   Downloaded names v0.14.0
[INFO] [stderr]   Downloaded terminal_size v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf71001afc54e38d00fb4f3e6ac587d2d3c9b274abd09ece07dc0a2a64415c1
[INFO] running `Command { std: "docker" "start" "-a" "fbf71001afc54e38d00fb4f3e6ac587d2d3c9b274abd09ece07dc0a2a64415c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf71001afc54e38d00fb4f3e6ac587d2d3c9b274abd09ece07dc0a2a64415c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf71001afc54e38d00fb4f3e6ac587d2d3c9b274abd09ece07dc0a2a64415c1", kill_on_drop: false }`
[INFO] [stdout] fbf71001afc54e38d00fb4f3e6ac587d2d3c9b274abd09ece07dc0a2a64415c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2633b87d3b230d8f03bd456a7134eaba09218a091aa0fb048d2d01fec58fab74
[INFO] running `Command { std: "docker" "start" "-a" "2633b87d3b230d8f03bd456a7134eaba09218a091aa0fb048d2d01fec58fab74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.46
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.74
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling rustls v0.21.6
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling cpp_demangle v0.4.2
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling proc-maps v0.3.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking clap_builder v4.3.21
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling remoteprocess v0.4.12
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]    Compiling names v0.14.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling proc-maps v0.2.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rgb v0.8.36
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dashmap v5.5.0
[INFO] [stderr]     Checking read-process-memory v0.1.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling py-spy v0.3.14
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking libflate v1.4.0
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.46
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling scroll_derive v0.11.1
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking rustls-webpki v0.101.3
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.6.1
[INFO] [stderr]     Checking goblin v0.5.4
[INFO] [stderr]     Checking ruzstd v0.3.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking clap v4.3.21
[INFO] [stderr]     Checking inferno v0.11.15
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking clap_complete v3.2.5
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking pyroscope v0.5.7
[INFO] [stderr]     Checking pyroscope_pyspy v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/lib.rs:220:26
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn set_config(&self, config: BackendConfig) {}
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/lib.rs:220:26
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn set_config(&self, config: BackendConfig) {}
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "2633b87d3b230d8f03bd456a7134eaba09218a091aa0fb048d2d01fec58fab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2633b87d3b230d8f03bd456a7134eaba09218a091aa0fb048d2d01fec58fab74", kill_on_drop: false }`
[INFO] [stdout] 2633b87d3b230d8f03bd456a7134eaba09218a091aa0fb048d2d01fec58fab74