[INFO] fetching crate pacer 0.1.0...
[INFO] testing pacer-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pacer 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pacer 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pacer 0.1.0
[INFO] tweaked toml for crates.io crate pacer 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pacer 0.1.0 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 pacer 0.1.0 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" "+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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6efcd2c188c2a74108afc32793115d897978846eae9e3432beba86d22b9f6a12
[INFO] running `Command { std: "docker" "start" "-a" "6efcd2c188c2a74108afc32793115d897978846eae9e3432beba86d22b9f6a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6efcd2c188c2a74108afc32793115d897978846eae9e3432beba86d22b9f6a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efcd2c188c2a74108afc32793115d897978846eae9e3432beba86d22b9f6a12", kill_on_drop: false }`
[INFO] [stdout] 6efcd2c188c2a74108afc32793115d897978846eae9e3432beba86d22b9f6a12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ecaca2c87a1204bbd681e4d645b86df10d22fe5ab90cd32583f1680f4a58caa4
[INFO] running `Command { std: "docker" "start" "-a" "ecaca2c87a1204bbd681e4d645b86df10d22fe5ab90cd32583f1680f4a58caa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling yaml-rust2 v0.10.3
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rlimit v0.6.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling glommio v0.9.0
[INFO] [stderr]    Compiling buddy-alloc v0.4.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.3
[INFO] [stderr]    Compiling enclose v1.2.1
[INFO] [stderr]    Compiling bitmaps v3.2.1
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rust-ini v0.21.2
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling flexbuffers v25.2.10
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling config v0.15.11
[INFO] [stderr]    Compiling pacer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ResponseBody` is never constructed
[INFO] [stdout]   --> src/hyper_compat.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub(crate) struct ResponseBody {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "ecaca2c87a1204bbd681e4d645b86df10d22fe5ab90cd32583f1680f4a58caa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaca2c87a1204bbd681e4d645b86df10d22fe5ab90cd32583f1680f4a58caa4", kill_on_drop: false }`
[INFO] [stdout] ecaca2c87a1204bbd681e4d645b86df10d22fe5ab90cd32583f1680f4a58caa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 453ce246287ccdc6df44673b18443128c7838401b60f6022d4a2d9689a327b65
[INFO] running `Command { std: "docker" "start" "-a" "453ce246287ccdc6df44673b18443128c7838401b60f6022d4a2d9689a327b65", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling atomic-counter v1.0.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling glommio v0.9.0
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling pacer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ResponseBody` is never constructed
[INFO] [stdout]   --> src/hyper_compat.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub(crate) struct ResponseBody {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseBody` is never constructed
[INFO] [stdout]   --> src/hyper_compat.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub(crate) struct ResponseBody {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "453ce246287ccdc6df44673b18443128c7838401b60f6022d4a2d9689a327b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453ce246287ccdc6df44673b18443128c7838401b60f6022d4a2d9689a327b65", kill_on_drop: false }`
[INFO] [stdout] 453ce246287ccdc6df44673b18443128c7838401b60f6022d4a2d9689a327b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 309f00296866effc4733e32c10e6191a2bc284f4182671fe892eacb3ab5199f3
[INFO] running `Command { std: "docker" "start" "-a" "309f00296866effc4733e32c10e6191a2bc284f4182671fe892eacb3ab5199f3", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ResponseBody` is never constructed
[INFO] [stderr]   --> src/hyper_compat.rs:65:19
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub(crate) struct ResponseBody {
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pacer` (lib) generated 1 warning
[INFO] [stderr] warning: `pacer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pacer-4aabaa3df7136e82)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pacer-5d17c2f54743a252)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests pacer
[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] [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] [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" "309f00296866effc4733e32c10e6191a2bc284f4182671fe892eacb3ab5199f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309f00296866effc4733e32c10e6191a2bc284f4182671fe892eacb3ab5199f3", kill_on_drop: false }`
[INFO] [stdout] 309f00296866effc4733e32c10e6191a2bc284f4182671fe892eacb3ab5199f3