[INFO] fetching crate metrics-prometheus-client 0.0.1...
[INFO] testing metrics-prometheus-client-0.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate metrics-prometheus-client 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate metrics-prometheus-client 0.0.1
[INFO] finished tweaking crates.io crate metrics-prometheus-client 0.0.1
[INFO] tweaked toml for crates.io crate metrics-prometheus-client 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-prometheus-client 0.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding metrics v0.23.1 (available: v0.24.2)
[INFO] [stderr]       Adding prometheus-client v0.22.3 (available: v0.24.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6b962ac91d8b8069427e2d2182e35cd1630c1dc433389c12f5f7da5a128569b
[INFO] running `Command { std: "docker" "start" "-a" "b6b962ac91d8b8069427e2d2182e35cd1630c1dc433389c12f5f7da5a128569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6b962ac91d8b8069427e2d2182e35cd1630c1dc433389c12f5f7da5a128569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b962ac91d8b8069427e2d2182e35cd1630c1dc433389c12f5f7da5a128569b", kill_on_drop: false }`
[INFO] [stdout] b6b962ac91d8b8069427e2d2182e35cd1630c1dc433389c12f5f7da5a128569b
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d33dbc0789c0badb7e6b2cb4727a391928c9d4e6e499299bd6e83ce69f94a1
[INFO] running `Command { std: "docker" "start" "-a" "c8d33dbc0789c0badb7e6b2cb4727a391928c9d4e6e499299bd6e83ce69f94a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-client v0.22.3
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling metrics v0.23.1
[INFO] [stderr]    Compiling metrics-prometheus-client v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "c8d33dbc0789c0badb7e6b2cb4727a391928c9d4e6e499299bd6e83ce69f94a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d33dbc0789c0badb7e6b2cb4727a391928c9d4e6e499299bd6e83ce69f94a1", kill_on_drop: false }`
[INFO] [stdout] c8d33dbc0789c0badb7e6b2cb4727a391928c9d4e6e499299bd6e83ce69f94a1
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5ec757e94f45c4f9a32bc020feaa4023c94a642e8b07e96bb3e9af752326d1
[INFO] running `Command { std: "docker" "start" "-a" "3a5ec757e94f45c4f9a32bc020feaa4023c94a642e8b07e96bb3e9af752326d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-prometheus-client v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "3a5ec757e94f45c4f9a32bc020feaa4023c94a642e8b07e96bb3e9af752326d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5ec757e94f45c4f9a32bc020feaa4023c94a642e8b07e96bb3e9af752326d1", kill_on_drop: false }`
[INFO] [stdout] 3a5ec757e94f45c4f9a32bc020feaa4023c94a642e8b07e96bb3e9af752326d1
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7858370f78e699263deaa9fb3e5419f3bbb0c8a7a31429d0d66fdacef08d299
[INFO] running `Command { std: "docker" "start" "-a" "d7858370f78e699263deaa9fb3e5419f3bbb0c8a7a31429d0d66fdacef08d299", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_prometheus_client-b4999e4998428c93)
[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_prometheus_client
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7858370f78e699263deaa9fb3e5419f3bbb0c8a7a31429d0d66fdacef08d299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7858370f78e699263deaa9fb3e5419f3bbb0c8a7a31429d0d66fdacef08d299", kill_on_drop: false }`
[INFO] [stdout] d7858370f78e699263deaa9fb3e5419f3bbb0c8a7a31429d0d66fdacef08d299