[INFO] fetching crate protomask-metrics 0.1.0...
[INFO] testing protomask-metrics-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate protomask-metrics 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate protomask-metrics 0.1.0
[INFO] finished tweaking crates.io crate protomask-metrics 0.1.0
[INFO] tweaked toml for crates.io crate protomask-metrics 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate protomask-metrics 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.9.0)
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c4e8f17d5d8d4a4055fc41ed0eb2d09eecd390a61e5f6c5ec6dac467b2b356c8
[INFO] running `Command { std: "docker" "start" "-a" "c4e8f17d5d8d4a4055fc41ed0eb2d09eecd390a61e5f6c5ec6dac467b2b356c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e8f17d5d8d4a4055fc41ed0eb2d09eecd390a61e5f6c5ec6dac467b2b356c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e8f17d5d8d4a4055fc41ed0eb2d09eecd390a61e5f6c5ec6dac467b2b356c8", kill_on_drop: false }`
[INFO] [stdout] c4e8f17d5d8d4a4055fc41ed0eb2d09eecd390a61e5f6c5ec6dac467b2b356c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6b1aa40e85d54ecc4eb6d76f22b8bcfc81dbed7a889b20a45ddb1af96b2dd8ba
[INFO] running `Command { std: "docker" "start" "-a" "6b1aa40e85d54ecc4eb6d76f22b8bcfc81dbed7a889b20a45ddb1af96b2dd8ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling protomask-metrics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "6b1aa40e85d54ecc4eb6d76f22b8bcfc81dbed7a889b20a45ddb1af96b2dd8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1aa40e85d54ecc4eb6d76f22b8bcfc81dbed7a889b20a45ddb1af96b2dd8ba", kill_on_drop: false }`
[INFO] [stdout] 6b1aa40e85d54ecc4eb6d76f22b8bcfc81dbed7a889b20a45ddb1af96b2dd8ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3216e8ad985347de188efaa1bdc65902a256b401716e658cead559cae6c97fee
[INFO] running `Command { std: "docker" "start" "-a" "3216e8ad985347de188efaa1bdc65902a256b401716e658cead559cae6c97fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling protomask-metrics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "3216e8ad985347de188efaa1bdc65902a256b401716e658cead559cae6c97fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3216e8ad985347de188efaa1bdc65902a256b401716e658cead559cae6c97fee", kill_on_drop: false }`
[INFO] [stdout] 3216e8ad985347de188efaa1bdc65902a256b401716e658cead559cae6c97fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e526424046eeb1f71e0f10ead215a0fd2fad3b92fe20d838c63cda71b8e62fa3
[INFO] running `Command { std: "docker" "start" "-a" "e526424046eeb1f71e0f10ead215a0fd2fad3b92fe20d838c63cda71b8e62fa3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/protomask_metrics-cc8a74bd651d2c4f)
[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]    Doc-tests protomask_metrics
[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" "e526424046eeb1f71e0f10ead215a0fd2fad3b92fe20d838c63cda71b8e62fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e526424046eeb1f71e0f10ead215a0fd2fad3b92fe20d838c63cda71b8e62fa3", kill_on_drop: false }`
[INFO] [stdout] e526424046eeb1f71e0f10ead215a0fd2fad3b92fe20d838c63cda71b8e62fa3
