[INFO] fetching crate metrics-logger 0.22.1...
[INFO] testing metrics-logger-0.22.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate metrics-logger 0.22.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate metrics-logger 0.22.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metrics-logger 0.22.1
[INFO] tweaked toml for crates.io crate metrics-logger 0.22.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-logger 0.22.1 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 metrics-logger 0.22.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] df7cb261e5c2940b6cb877ba160852b9b9fa403521a9ff971c7b043d3f0dc3e7
[INFO] running `Command { std: "docker" "start" "-a" "df7cb261e5c2940b6cb877ba160852b9b9fa403521a9ff971c7b043d3f0dc3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df7cb261e5c2940b6cb877ba160852b9b9fa403521a9ff971c7b043d3f0dc3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7cb261e5c2940b6cb877ba160852b9b9fa403521a9ff971c7b043d3f0dc3e7", kill_on_drop: false }`
[INFO] [stdout] df7cb261e5c2940b6cb877ba160852b9b9fa403521a9ff971c7b043d3f0dc3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0dbf827078c96fee33184ef5a57569b1f04819dd6fe4c5892c7033f1f325b7ef
[INFO] running `Command { std: "docker" "start" "-a" "0dbf827078c96fee33184ef5a57569b1f04819dd6fe4c5892c7033f1f325b7ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling metrics v0.22.4
[INFO] [stderr]    Compiling metrics-logger v0.22.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "0dbf827078c96fee33184ef5a57569b1f04819dd6fe4c5892c7033f1f325b7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbf827078c96fee33184ef5a57569b1f04819dd6fe4c5892c7033f1f325b7ef", kill_on_drop: false }`
[INFO] [stdout] 0dbf827078c96fee33184ef5a57569b1f04819dd6fe4c5892c7033f1f325b7ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b2e73dddcf27ea629ce108082b24e841cf9b26bca2cede7f6e3f49725a8df652
[INFO] running `Command { std: "docker" "start" "-a" "b2e73dddcf27ea629ce108082b24e841cf9b26bca2cede7f6e3f49725a8df652", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling metrics-logger v0.22.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "b2e73dddcf27ea629ce108082b24e841cf9b26bca2cede7f6e3f49725a8df652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e73dddcf27ea629ce108082b24e841cf9b26bca2cede7f6e3f49725a8df652", kill_on_drop: false }`
[INFO] [stdout] b2e73dddcf27ea629ce108082b24e841cf9b26bca2cede7f6e3f49725a8df652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4289b7cee237fa8685c36bdb240bb2833cc570ea0008f3611db7382be2a864c3
[INFO] running `Command { std: "docker" "start" "-a" "4289b7cee237fa8685c36bdb240bb2833cc570ea0008f3611db7382be2a864c3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_logger-a8dc7d02784c3b2c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test state::tests::test_histogram_state_avg ... ok
[INFO] [stdout] test state::tests::test_histogram_state_empty_std_dev ... ok
[INFO] [stdout] test state::tests::test_histogram_state_min_max ... ok
[INFO] [stdout] test state::tests::test_histogram_state_std_dev ... ok
[INFO] [stdout] test state::tests::test_histogram_state_empty_avg ... ok
[INFO] [stderr]      Running tests/e2e_immediate.rs (/opt/rustwide/target/debug/deps/e2e_immediate-6005f42a90371072)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test metrics_logger_e2e_immediate ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/e2e_periodic.rs (/opt/rustwide/target/debug/deps/e2e_periodic-08fb5397076ae543)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test metrics_logger_e2e_periodic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/utils.rs (/opt/rustwide/target/debug/deps/utils-bd61ff9334a4643d)
[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 metrics_logger
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4289b7cee237fa8685c36bdb240bb2833cc570ea0008f3611db7382be2a864c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4289b7cee237fa8685c36bdb240bb2833cc570ea0008f3611db7382be2a864c3", kill_on_drop: false }`
[INFO] [stdout] 4289b7cee237fa8685c36bdb240bb2833cc570ea0008f3611db7382be2a864c3