[INFO] fetching crate tide-prometheus 0.1.0...
[INFO] testing tide-prometheus-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tide-prometheus 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tide-prometheus 0.1.0
[INFO] finished tweaking crates.io crate tide-prometheus 0.1.0
[INFO] tweaked toml for crates.io crate tide-prometheus 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tide-prometheus 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 257 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.12.0 (available: v0.14.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tide-testing v0.1.3
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded http-client v6.5.3
[INFO] [stderr]   Downloaded cookie v0.14.4
[INFO] [stderr]   Downloaded polyval v0.4.5
[INFO] [stderr]   Downloaded sval_fmt v2.18.0
[INFO] [stderr]   Downloaded surf v2.3.2
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded sval_nested v2.18.0
[INFO] [stderr]   Downloaded procfs v0.9.1
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded sval_dynamic v2.18.0
[INFO] [stderr]   Downloaded sval v2.18.0
[INFO] [stderr]   Downloaded sval_ref v2.18.0
[INFO] [stderr]   Downloaded prometheus v0.12.0
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded const_fn v0.4.12
[INFO] [stderr]   Downloaded femme v2.2.1
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded infer v0.2.3
[INFO] [stderr]   Downloaded sval_json v2.18.0
[INFO] [stderr]   Downloaded async-dup v1.2.4
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded http-types v2.12.0
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded sval_serde v2.18.0
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded serde_qs v0.8.5
[INFO] [stderr]   Downloaded async-h1 v2.3.4
[INFO] [stderr]   Downloaded sval_buffer v2.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11e4043a709897cb8a2aba043bdc17db889eba59950e0e0b664ac42d13881e69
[INFO] running `Command { std: "docker" "start" "-a" "11e4043a709897cb8a2aba043bdc17db889eba59950e0e0b664ac42d13881e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11e4043a709897cb8a2aba043bdc17db889eba59950e0e0b664ac42d13881e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e4043a709897cb8a2aba043bdc17db889eba59950e0e0b664ac42d13881e69", kill_on_drop: false }`
[INFO] [stdout] 11e4043a709897cb8a2aba043bdc17db889eba59950e0e0b664ac42d13881e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb64c220f070f6bcd03bcbcebabe77aa8abf4d42fa6f050577240321a3ac8c5d
[INFO] running `Command { std: "docker" "start" "-a" "cb64c220f070f6bcd03bcbcebabe77aa8abf4d42fa6f050577240321a3ac8c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling serde_fmt v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling async-executor v1.14.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling value-bag-serde1 v1.12.0
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling value-bag v1.12.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling async-dup v1.2.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling femme v2.2.1
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling route-recognizer v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-signal v0.2.14
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling async-session v2.0.1
[INFO] [stderr]    Compiling async-h1 v2.3.4
[INFO] [stderr]    Compiling http-client v6.5.3
[INFO] [stderr]    Compiling async-sse v4.1.0
[INFO] [stderr]    Compiling tide v0.16.0
[INFO] [stderr]    Compiling tide-prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.29s
[INFO] running `Command { std: "docker" "inspect" "cb64c220f070f6bcd03bcbcebabe77aa8abf4d42fa6f050577240321a3ac8c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb64c220f070f6bcd03bcbcebabe77aa8abf4d42fa6f050577240321a3ac8c5d", kill_on_drop: false }`
[INFO] [stdout] cb64c220f070f6bcd03bcbcebabe77aa8abf4d42fa6f050577240321a3ac8c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b9bca762aec1e66c9fa83891a2874d7064ab2baf72d9a87343d83119ae830c8
[INFO] running `Command { std: "docker" "start" "-a" "3b9bca762aec1e66c9fa83891a2874d7064ab2baf72d9a87343d83119ae830c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling surf v2.3.2
[INFO] [stderr]    Compiling tide-testing v0.1.3
[INFO] [stderr]    Compiling tide-prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "3b9bca762aec1e66c9fa83891a2874d7064ab2baf72d9a87343d83119ae830c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9bca762aec1e66c9fa83891a2874d7064ab2baf72d9a87343d83119ae830c8", kill_on_drop: false }`
[INFO] [stdout] 3b9bca762aec1e66c9fa83891a2874d7064ab2baf72d9a87343d83119ae830c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 960ea6d6223b553bde63b827e8946ceba4bd29ac389c1eeef7d500968e13c6a2
[INFO] running `Command { std: "docker" "start" "-a" "960ea6d6223b553bde63b827e8946ceba4bd29ac389c1eeef7d500968e13c6a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests source/lib.rs (/opt/rustwide/target/debug/deps/tide_prometheus-f76a502f6c3a7a8e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-6e29e22dec74456a)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_metrics ... 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 tide_prometheus
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test source/lib.rs - (line 7) ... ok
[INFO] [stdout] test source/lib.rs - metrics_endpoint (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "960ea6d6223b553bde63b827e8946ceba4bd29ac389c1eeef7d500968e13c6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960ea6d6223b553bde63b827e8946ceba4bd29ac389c1eeef7d500968e13c6a2", kill_on_drop: false }`
[INFO] [stdout] 960ea6d6223b553bde63b827e8946ceba4bd29ac389c1eeef7d500968e13c6a2