[INFO] fetching crate prometools 0.2.3...
[INFO] testing prometools-0.2.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prometools 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate prometools 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate prometools 0.2.3
[INFO] tweaked toml for crates.io crate prometools 0.2.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometools 0.2.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometools 0.2.3 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee73fb927ca7e31f5fb4884b0b04af548a6e716db959d989e954dd5403987902
[INFO] running `Command { std: "docker" "start" "-a" "ee73fb927ca7e31f5fb4884b0b04af548a6e716db959d989e954dd5403987902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee73fb927ca7e31f5fb4884b0b04af548a6e716db959d989e954dd5403987902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee73fb927ca7e31f5fb4884b0b04af548a6e716db959d989e954dd5403987902", kill_on_drop: false }`
[INFO] [stdout] ee73fb927ca7e31f5fb4884b0b04af548a6e716db959d989e954dd5403987902
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39bcf3b8c72f4416d6f0f96af9198d583cc6b6d9e7317438e317e27d43155a8
[INFO] running `Command { std: "docker" "start" "-a" "d39bcf3b8c72f4416d6f0f96af9198d583cc6b6d9e7317438e317e27d43155a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling prometheus-client-derive-text-encode v0.3.0
[INFO] [stderr]    Compiling prometheus-client v0.18.1
[INFO] [stderr]    Compiling prometools v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "d39bcf3b8c72f4416d6f0f96af9198d583cc6b6d9e7317438e317e27d43155a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39bcf3b8c72f4416d6f0f96af9198d583cc6b6d9e7317438e317e27d43155a8", kill_on_drop: false }`
[INFO] [stdout] d39bcf3b8c72f4416d6f0f96af9198d583cc6b6d9e7317438e317e27d43155a8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 062dfeea6b1ae6f2db95a6231c94e080594b1b42858f3c161c2f23d81480dccd
[INFO] running `Command { std: "docker" "start" "-a" "062dfeea6b1ae6f2db95a6231c94e080594b1b42858f3c161c2f23d81480dccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling prometools v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "062dfeea6b1ae6f2db95a6231c94e080594b1b42858f3c161c2f23d81480dccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062dfeea6b1ae6f2db95a6231c94e080594b1b42858f3c161c2f23d81480dccd", kill_on_drop: false }`
[INFO] [stdout] 062dfeea6b1ae6f2db95a6231c94e080594b1b42858f3c161c2f23d81480dccd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6733b4c747bb276c19b2e4628315fdb7bd32b8a838c52310fcc7be1d8c4502bd
[INFO] running `Command { std: "docker" "start" "-a" "6733b4c747bb276c19b2e4628315fdb7bd32b8a838c52310fcc7be1d8c4502bd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running tests/histogram.rs (/opt/rustwide/target/debug/deps/histogram-52f2ada2cb3f7e44)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] test timer_stop_and_discard ... ok
[INFO] [stdout] test timer_stop_and_record ... ok
[INFO] [stdout] test timer_resume_stop ... ok
[INFO] [stdout] test timer_pause_stop ... ok
[INFO] [stdout] test timer_pause_resume_stop ... ok
[INFO] [stdout] test timer_pause_pause_stop ... ok
[INFO] [stdout] test timer_resume_drop ... ok
[INFO] [stdout] test timer_pause_resume_pause_stop ... ok
[INFO] [stdout] test timer_pause_resume_pause_resume_stop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometools
[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" "6733b4c747bb276c19b2e4628315fdb7bd32b8a838c52310fcc7be1d8c4502bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6733b4c747bb276c19b2e4628315fdb7bd32b8a838c52310fcc7be1d8c4502bd", kill_on_drop: false }`
[INFO] [stdout] 6733b4c747bb276c19b2e4628315fdb7bd32b8a838c52310fcc7be1d8c4502bd
