[INFO] fetching crate rocket_prometheus 0.10.0-rc.1...
[INFO] testing rocket_prometheus-0.10.0-rc.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rocket_prometheus 0.10.0-rc.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rocket_prometheus 0.10.0-rc.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket_prometheus 0.10.0-rc.1
[INFO] finished tweaking crates.io crate rocket_prometheus 0.10.0-rc.1
[INFO] tweaked toml for crates.io crate rocket_prometheus 0.10.0-rc.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate rocket_prometheus 0.10.0-rc.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d988c181b7b969bd5677d3b7e2f575b607edfd522f96fa53d35121d896e293
[INFO] running `Command { std: "docker" "start" "-a" "b5d988c181b7b969bd5677d3b7e2f575b607edfd522f96fa53d35121d896e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d988c181b7b969bd5677d3b7e2f575b607edfd522f96fa53d35121d896e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d988c181b7b969bd5677d3b7e2f575b607edfd522f96fa53d35121d896e293", kill_on_drop: false }`
[INFO] [stdout] b5d988c181b7b969bd5677d3b7e2f575b607edfd522f96fa53d35121d896e293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c20da0cdccb2d7c214791842b7c54b038e17f2ae9048fa0e3a7f2d9af31c20c
[INFO] running `Command { std: "docker" "start" "-a" "2c20da0cdccb2d7c214791842b7c54b038e17f2ae9048fa0e3a7f2d9af31c20c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling figment v0.10.6
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling multer v2.0.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ubyte v0.10.1
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.1
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]    Compiling rocket_prometheus v0.10.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.68s
[INFO] running `Command { std: "docker" "inspect" "2c20da0cdccb2d7c214791842b7c54b038e17f2ae9048fa0e3a7f2d9af31c20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c20da0cdccb2d7c214791842b7c54b038e17f2ae9048fa0e3a7f2d9af31c20c", kill_on_drop: false }`
[INFO] [stdout] 2c20da0cdccb2d7c214791842b7c54b038e17f2ae9048fa0e3a7f2d9af31c20c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbd18927363c66c4d07dd5f60a06b293577b35570a3966b0775c6f088ecda845
[INFO] running `Command { std: "docker" "start" "-a" "fbd18927363c66c4d07dd5f60a06b293577b35570a3966b0775c6f088ecda845", kill_on_drop: false }`
[INFO] [stderr]    Compiling rocket_prometheus v0.10.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rocket_prometheus-f82520b689e1fd65)
[INFO] [stderr]   Executable tests/default_registry.rs (/opt/rustwide/target/debug/deps/default_registry-76686fd18dc2334c)
[INFO] [stderr]   Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9387d0edf730d5a5)
[INFO] running `Command { std: "docker" "inspect" "fbd18927363c66c4d07dd5f60a06b293577b35570a3966b0775c6f088ecda845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd18927363c66c4d07dd5f60a06b293577b35570a3966b0775c6f088ecda845", kill_on_drop: false }`
[INFO] [stdout] fbd18927363c66c4d07dd5f60a06b293577b35570a3966b0775c6f088ecda845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5df0af8d3aef0a9d0776a7a97aa3d8140df0c37cab40af5171cb94f9f97d1d5
[INFO] running `Command { std: "docker" "start" "-a" "a5df0af8d3aef0a9d0776a7a97aa3d8140df0c37cab40af5171cb94f9f97d1d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rocket_prometheus-f82520b689e1fd65)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_multiple_instantiations ... 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] [stderr]      Running tests/default_registry.rs (/opt/rustwide/target/debug/deps/default_registry-76686fd18dc2334c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9387d0edf730d5a5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rocket_prometheus
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - PrometheusMetrics (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - PrometheusMetrics::registry (line 268) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5df0af8d3aef0a9d0776a7a97aa3d8140df0c37cab40af5171cb94f9f97d1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5df0af8d3aef0a9d0776a7a97aa3d8140df0c37cab40af5171cb94f9f97d1d5", kill_on_drop: false }`
[INFO] [stdout] a5df0af8d3aef0a9d0776a7a97aa3d8140df0c37cab40af5171cb94f9f97d1d5