[INFO] fetching crate rusm-metrics 0.3.0...
[INFO] testing rusm-metrics-0.3.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate rusm-metrics 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rusm-metrics 0.3.0
[INFO] finished tweaking crates.io crate rusm-metrics 0.3.0
[INFO] tweaked toml for crates.io crate rusm-metrics 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusm-metrics 0.3.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusm-metrics 0.3.0 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25
[INFO] running `Command { std: "docker" "start" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rusm-metrics v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling rusm-metrics v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/rusm-metrics/6c036d5405fb9bd7/out/rusm_metrics-6c036d5405fb9bd7)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test counter::tests::incr_returns_previous_and_advances ... ok
[INFO] [stdout] test counter::tests::with_value_starts_at_initial ... ok
[INFO] [stdout] test histogram::tests::clear_empties ... ok
[INFO] [stdout] test histogram::tests::percentile_clamps_out_of_range_inputs ... ok
[INFO] [stdout] test counter::tests::add_returns_previous ... ok
[INFO] [stdout] test histogram::tests::record_duration_overflowing_u64_nanos_is_clamped ... ok
[INFO] [stdout] test counter::tests::new_starts_at_zero ... ok
[INFO] [stdout] test histogram::tests::percentiles_are_ordered_and_plausible ... ok
[INFO] [stdout] test counter::tests::set_overwrites ... ok
[INFO] [stdout] test histogram::tests::snapshot_round_trips_through_json ... ok
[INFO] [stdout] test histogram::tests::values_above_ceiling_are_clamped ... ok
[INFO] [stdout] test timeseries::tests::push_retains_latest_and_tracks_len ... ok
[INFO] [stdout] test histogram::tests::zero_is_clamped_to_one_ns ... ok
[INFO] [stdout] test timeseries::tests::clear_empties_but_keeps_capacity ... ok
[INFO] [stdout] test timeseries::tests::zero_capacity_becomes_one ... ok
[INFO] [stdout] test histogram::tests::records_duration ... ok
[INFO] [stdout] test histogram::tests::records_and_counts ... ok
[INFO] [stdout] test timeseries::tests::mean_and_max_over_held_points ... ok
[INFO] [stdout] test timeseries::tests::push_past_capacity_evicts_oldest ... ok
[INFO] [stdout] test histogram::tests::empty_histogram_reports_zeroes ... ok
[INFO] [stdout] test counter::tests::reset_returns_old_value_and_zeroes ... ok
[INFO] [stdout] test timeseries::tests::snapshot_round_trips_through_json ... ok
[INFO] [stdout] test histogram::tests::default_matches_new ... ok
[INFO] [stdout] test timeseries::tests::new_is_empty_with_given_capacity ... ok
[INFO] [stdout] test counter::tests::concurrent_increments_are_lossless ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusm_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" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25", kill_on_drop: false }`
[INFO] [stdout] cc1155fe22a66542b045da03403cc2341fef11254d9feb03b13e9240d8c93a25
