[INFO] fetching crate witchcraft-metrics 1.0.0...
[INFO] testing witchcraft-metrics-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate witchcraft-metrics 1.0.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate witchcraft-metrics 1.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witchcraft-metrics 1.0.0
[INFO] finished tweaking crates.io crate witchcraft-metrics 1.0.0
[INFO] tweaked toml for crates.io crate witchcraft-metrics 1.0.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd906f0b6cf81bea59d6814b86d4a2a2f0d5e50be8831aae66e3ca19f6df65a
[INFO] running `Command { std: "docker" "start" "-a" "dbd906f0b6cf81bea59d6814b86d4a2a2f0d5e50be8831aae66e3ca19f6df65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd906f0b6cf81bea59d6814b86d4a2a2f0d5e50be8831aae66e3ca19f6df65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd906f0b6cf81bea59d6814b86d4a2a2f0d5e50be8831aae66e3ca19f6df65a", kill_on_drop: false }`
[INFO] [stdout] dbd906f0b6cf81bea59d6814b86d4a2a2f0d5e50be8831aae66e3ca19f6df65a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1049e338c66c83a03619b57e58df026381df55d786b00d0daf717fc9c832fed
[INFO] running `Command { std: "docker" "start" "-a" "c1049e338c66c83a03619b57e58df026381df55d786b00d0daf717fc9c832fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.9
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling witchcraft-metrics v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.46s
[INFO] running `Command { std: "docker" "inspect" "c1049e338c66c83a03619b57e58df026381df55d786b00d0daf717fc9c832fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1049e338c66c83a03619b57e58df026381df55d786b00d0daf717fc9c832fed", kill_on_drop: false }`
[INFO] [stdout] c1049e338c66c83a03619b57e58df026381df55d786b00d0daf717fc9c832fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33fe697a8bcbc2bc5dc69f9ee0787799e9b8e76be161f7b67ea68c70fbbbe009
[INFO] running `Command { std: "docker" "start" "-a" "33fe697a8bcbc2bc5dc69f9ee0787799e9b8e76be161f7b67ea68c70fbbbe009", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling witchcraft-metrics v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "33fe697a8bcbc2bc5dc69f9ee0787799e9b8e76be161f7b67ea68c70fbbbe009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fe697a8bcbc2bc5dc69f9ee0787799e9b8e76be161f7b67ea68c70fbbbe009", kill_on_drop: false }`
[INFO] [stdout] 33fe697a8bcbc2bc5dc69f9ee0787799e9b8e76be161f7b67ea68c70fbbbe009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7568e2208a3f15451dd417aa1943aa0e1bc7b390b475c3a1ac5702f31edbb476
[INFO] running `Command { std: "docker" "start" "-a" "7568e2208a3f15451dd417aa1943aa0e1bc7b390b475c3a1ac5702f31edbb476", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/witchcraft_metrics-cd7926c24c7a9a16)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test counter::test::basic ... ok
[INFO] [stdout] test meter::test::marks_events_and_updates_rate_and_count ... ok
[INFO] [stdout] test histogram::test::basic ... ok
[INFO] [stdout] test gauge::test::downcast ... ok
[INFO] [stdout] test meter::test::starts_out_with_no_rates_or_count ... ok
[INFO] [stdout] test metric_id::test::basic ... ok
[INFO] [stdout] test reservoir::test::exponential_basic ... ok
[INFO] [stdout] test registry::test::tagged_distinct_from_untagged ... ok
[INFO] [stdout] test registry::test::metrics_returns_snapshot ... ok
[INFO] [stdout] test timer::test::basic ... ok
[INFO] [stdout] test registry::test::first_metric_wins ... ok
[INFO] [stdout] test timer::test::time ... ok
[INFO] [stderr]    Doc-tests witchcraft-metrics
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/registry.rs - registry::MetricRegistry (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7568e2208a3f15451dd417aa1943aa0e1bc7b390b475c3a1ac5702f31edbb476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7568e2208a3f15451dd417aa1943aa0e1bc7b390b475c3a1ac5702f31edbb476", kill_on_drop: false }`
[INFO] [stdout] 7568e2208a3f15451dd417aa1943aa0e1bc7b390b475c3a1ac5702f31edbb476