[INFO] fetching crate prometheus_exporter_base 1.2.0...
[INFO] testing prometheus_exporter_base-1.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate prometheus_exporter_base 1.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate prometheus_exporter_base 1.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus_exporter_base 1.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prometheus_exporter_base 1.2.0
[INFO] tweaked toml for crates.io crate prometheus_exporter_base 1.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate prometheus_exporter_base 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34273f126c8133e5f8da2919350e257d661489e3f8ffc70c6ef870689c539a85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34273f126c8133e5f8da2919350e257d661489e3f8ffc70c6ef870689c539a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34273f126c8133e5f8da2919350e257d661489e3f8ffc70c6ef870689c539a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34273f126c8133e5f8da2919350e257d661489e3f8ffc70c6ef870689c539a85", kill_on_drop: false }`
[INFO] [stdout] 34273f126c8133e5f8da2919350e257d661489e3f8ffc70c6ef870689c539a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49318976d83e98f2fbc0177f6e30d249cd2151e0678aeed8d9c9e1a7c1cc934c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49318976d83e98f2fbc0177f6e30d249cd2151e0678aeed8d9c9e1a7c1cc934c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling prometheus_exporter_base v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.07s
[INFO] running `Command { std: "docker" "inspect" "49318976d83e98f2fbc0177f6e30d249cd2151e0678aeed8d9c9e1a7c1cc934c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49318976d83e98f2fbc0177f6e30d249cd2151e0678aeed8d9c9e1a7c1cc934c", kill_on_drop: false }`
[INFO] [stdout] 49318976d83e98f2fbc0177f6e30d249cd2151e0678aeed8d9c9e1a7c1cc934c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b824435044e958ebddc905e2a0f9923e51da723f00c6f6ffc51a457c1a44414
[INFO] running `Command { std: "docker" "start" "-a" "8b824435044e958ebddc905e2a0f9923e51da723f00c6f6ffc51a457c1a44414", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling prometheus_exporter_base v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "8b824435044e958ebddc905e2a0f9923e51da723f00c6f6ffc51a457c1a44414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b824435044e958ebddc905e2a0f9923e51da723f00c6f6ffc51a457c1a44414", kill_on_drop: false }`
[INFO] [stdout] 8b824435044e958ebddc905e2a0f9923e51da723f00c6f6ffc51a457c1a44414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79b56a135058abf9273ef3540a52e2681bbc76388ec230e74b9ef412ef83a5e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79b56a135058abf9273ef3540a52e2681bbc76388ec230e74b9ef412ef83a5e7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_exporter_base-1e9c606a590b0c3a)
[INFO] [stdout] test metric_type::tests::test_display ... ok
[INFO] [stdout] test metric_type::tests::test_as_ref ... ok
[INFO] [stdout] test metric_type::tests::test_try_from_ok ... ok
[INFO] [stdout] test prometheus_metric::tests::test_header ... ok
[INFO] [stdout] test prometheus_metric::tests::test_no_labels ... ok
[INFO] [stdout] test prometheus_metric::tests::test_labels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus_exporter_base
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/prometheus_instance.rs - prometheus_instance::PrometheusInstance::with_value (line 113) ... ok
[INFO] [stdout] test src/prometheus_instance.rs - prometheus_instance::PrometheusInstance::with_timestamp (line 69) ... ok
[INFO] [stdout] test src/prometheus_instance.rs - prometheus_instance::PrometheusInstance::with_current_timestamp (line 90) ... ok
[INFO] [stdout] test src/prometheus_metric.rs - prometheus_metric::PrometheusMetric::build (line 32) ... ok
[INFO] [stdout] test src/prometheus_metric_builder.rs - prometheus_metric_builder::PrometheusMetricBuilder::build (line 153) ... ok
[INFO] [stdout] test src/prometheus_metric.rs - prometheus_metric::PrometheusMetric::render_and_append_instance (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79b56a135058abf9273ef3540a52e2681bbc76388ec230e74b9ef412ef83a5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b56a135058abf9273ef3540a52e2681bbc76388ec230e74b9ef412ef83a5e7", kill_on_drop: false }`
[INFO] [stdout] 79b56a135058abf9273ef3540a52e2681bbc76388ec230e74b9ef412ef83a5e7