[INFO] fetching crate flamegraph 0.6.9...
[INFO] testing flamegraph-0.6.9 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flamegraph 0.6.9 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate flamegraph 0.6.9
[INFO] finished tweaking crates.io crate flamegraph 0.6.9
[INFO] tweaked toml for crates.io crate flamegraph 0.6.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flamegraph 0.6.9 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flamegraph 0.6.9 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb493ebe2d258fb9f4a40963b72de12fd98da76a0ef42b8edc623fa4531fe60a
[INFO] running `Command { std: "docker" "start" "-a" "fb493ebe2d258fb9f4a40963b72de12fd98da76a0ef42b8edc623fa4531fe60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb493ebe2d258fb9f4a40963b72de12fd98da76a0ef42b8edc623fa4531fe60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb493ebe2d258fb9f4a40963b72de12fd98da76a0ef42b8edc623fa4531fe60a", kill_on_drop: false }`
[INFO] [stdout] fb493ebe2d258fb9f4a40963b72de12fd98da76a0ef42b8edc623fa4531fe60a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec18b6279b708555bf721ee342193a6747c11f1ac35d4cbf2a3c08df6350658f
[INFO] running `Command { std: "docker" "start" "-a" "ec18b6279b708555bf721ee342193a6747c11f1ac35d4cbf2a3c08df6350658f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling camino v1.1.11
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling console v0.16.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling indicatif v0.18.0
[INFO] [stderr]    Compiling opener v0.8.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling inferno v0.12.3
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling clap_complete v4.5.57
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling erased-serde v0.4.6
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling cargo-platform v0.3.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling serde-untagged v0.1.8
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-util-schemas v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.22.0
[INFO] [stderr]    Compiling flamegraph v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "ec18b6279b708555bf721ee342193a6747c11f1ac35d4cbf2a3c08df6350658f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec18b6279b708555bf721ee342193a6747c11f1ac35d4cbf2a3c08df6350658f", kill_on_drop: false }`
[INFO] [stdout] ec18b6279b708555bf721ee342193a6747c11f1ac35d4cbf2a3c08df6350658f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59015a7ddbdd7687c83e6f5fe38b1cdf367570297a40add1ba5e323edd779bd6
[INFO] running `Command { std: "docker" "start" "-a" "59015a7ddbdd7687c83e6f5fe38b1cdf367570297a40add1ba5e323edd779bd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling flamegraph v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "59015a7ddbdd7687c83e6f5fe38b1cdf367570297a40add1ba5e323edd779bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59015a7ddbdd7687c83e6f5fe38b1cdf367570297a40add1ba5e323edd779bd6", kill_on_drop: false }`
[INFO] [stdout] 59015a7ddbdd7687c83e6f5fe38b1cdf367570297a40add1ba5e323edd779bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa191da71e96eab4a03c1d97a0e36afecd600060dbcfd79dbae972bc3fd498ea
[INFO] running `Command { std: "docker" "start" "-a" "aa191da71e96eab4a03c1d97a0e36afecd600060dbcfd79dbae972bc3fd498ea", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flamegraph-0dd55aa416509ca5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/cargo-flamegraph.rs (/opt/rustwide/target/debug/deps/cargo_flamegraph-d0ae946ca26deda0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/flamegraph.rs (/opt/rustwide/target/debug/deps/flamegraph-cfc72d6e4efbf6dd)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flamegraph
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa191da71e96eab4a03c1d97a0e36afecd600060dbcfd79dbae972bc3fd498ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa191da71e96eab4a03c1d97a0e36afecd600060dbcfd79dbae972bc3fd498ea", kill_on_drop: false }`
[INFO] [stdout] aa191da71e96eab4a03c1d97a0e36afecd600060dbcfd79dbae972bc3fd498ea