[INFO] fetching crate pprof 0.13.0...
[INFO] testing pprof-0.13.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate pprof 0.13.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pprof 0.13.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pprof 0.13.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pprof 0.13.0
[INFO] tweaked toml for crates.io crate pprof 0.13.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate pprof 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.12.1
[INFO] [stderr]   Downloaded symbolic-common v12.4.1
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded prost-derive v0.12.1
[INFO] [stderr]   Downloaded prost-build v0.12.1
[INFO] [stderr]   Downloaded inferno v0.11.17
[INFO] [stderr]   Downloaded symbolic-demangle v12.4.1
[INFO] [stderr]   Downloaded prost-types v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8034d416824b9b5a7749d9158a49d73b4e6caac5079f75530de2462b0b165580
[INFO] running `Command { std: "docker" "start" "-a" "8034d416824b9b5a7749d9158a49d73b4e6caac5079f75530de2462b0b165580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8034d416824b9b5a7749d9158a49d73b4e6caac5079f75530de2462b0b165580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8034d416824b9b5a7749d9158a49d73b4e6caac5079f75530de2462b0b165580", kill_on_drop: false }`
[INFO] [stdout] 8034d416824b9b5a7749d9158a49d73b4e6caac5079f75530de2462b0b165580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c85ff2ec2cae71c7f98135f9b6363a3af6cded8d504b27d47b1518c8418c17e
[INFO] running `Command { std: "docker" "start" "-a" "1c85ff2ec2cae71c7f98135f9b6363a3af6cded8d504b27d47b1518c8418c17e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling symbolic-demangle v12.4.1
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling pprof v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling symbolic-common v12.4.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stdout] warning: unused import: `backtrace::Frame`
[INFO] [stdout]   --> src/backtrace/backtrace_rs.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use backtrace::Frame;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtrace::Symbol`
[INFO] [stdout]   --> src/backtrace/backtrace_rs.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use backtrace::Symbol;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "1c85ff2ec2cae71c7f98135f9b6363a3af6cded8d504b27d47b1518c8418c17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c85ff2ec2cae71c7f98135f9b6363a3af6cded8d504b27d47b1518c8418c17e", kill_on_drop: false }`
[INFO] [stdout] 1c85ff2ec2cae71c7f98135f9b6363a3af6cded8d504b27d47b1518c8418c17e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89fb2fb94c0d4905dc03b2e595e21442458c6bea2d9f5fd097a23c1623c7049b
[INFO] running `Command { std: "docker" "start" "-a" "89fb2fb94c0d4905dc03b2e595e21442458c6bea2d9f5fd097a23c1623c7049b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_builder v4.3.24
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.3.24
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling pprof v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `backtrace::Frame`
[INFO] [stdout]   --> src/backtrace/backtrace_rs.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use backtrace::Frame;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtrace::Symbol`
[INFO] [stdout]   --> src/backtrace/backtrace_rs.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use backtrace::Symbol;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused import: `backtrace::Frame`
[INFO] [stdout]   --> src/backtrace/backtrace_rs.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use backtrace::Frame;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtrace::Symbol`
[INFO] [stdout]   --> src/backtrace/backtrace_rs.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use backtrace::Symbol;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flamegraph` found for struct `pprof::Report` in the current scope
[INFO] [stdout]   --> examples/backtrace_while_sampling.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         report.flamegraph(file).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^ method not found in `Report`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pprof` (example "backtrace_while_sampling") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89fb2fb94c0d4905dc03b2e595e21442458c6bea2d9f5fd097a23c1623c7049b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fb2fb94c0d4905dc03b2e595e21442458c6bea2d9f5fd097a23c1623c7049b", kill_on_drop: false }`
[INFO] [stdout] 89fb2fb94c0d4905dc03b2e595e21442458c6bea2d9f5fd097a23c1623c7049b
