[INFO] fetching crate metrics-recorder-prometheus 0.2.3...
[INFO] testing metrics-recorder-prometheus-0.2.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate metrics-recorder-prometheus 0.2.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate metrics-recorder-prometheus 0.2.3 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 metrics-recorder-prometheus 0.2.3
[INFO] finished tweaking crates.io crate metrics-recorder-prometheus 0.2.3
[INFO] tweaked toml for crates.io crate metrics-recorder-prometheus 0.2.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 515a119d3194d8218199b967ac275288051a413ce6e928c53f557241cdc4f20c
[INFO] running `Command { std: "docker" "start" "-a" "515a119d3194d8218199b967ac275288051a413ce6e928c53f557241cdc4f20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "515a119d3194d8218199b967ac275288051a413ce6e928c53f557241cdc4f20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515a119d3194d8218199b967ac275288051a413ce6e928c53f557241cdc4f20c", kill_on_drop: false }`
[INFO] [stdout] 515a119d3194d8218199b967ac275288051a413ce6e928c53f557241cdc4f20c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2dccac7714e78b04115c32cb5853976d74df10e2832871ae7cbe667293d26416
[INFO] running `Command { std: "docker" "start" "-a" "2dccac7714e78b04115c32cb5853976d74df10e2832871ae7cbe667293d26416", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling metrics-util v0.2.1
[INFO] [stderr]    Compiling metrics-core v0.4.0
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling metrics-recorder-prometheus v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "2dccac7714e78b04115c32cb5853976d74df10e2832871ae7cbe667293d26416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dccac7714e78b04115c32cb5853976d74df10e2832871ae7cbe667293d26416", kill_on_drop: false }`
[INFO] [stdout] 2dccac7714e78b04115c32cb5853976d74df10e2832871ae7cbe667293d26416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 64a793ad19621700266c4a6d2e335e3775d13c0033b887051f47129211a560f9
[INFO] running `Command { std: "docker" "start" "-a" "64a793ad19621700266c4a6d2e335e3775d13c0033b887051f47129211a560f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-recorder-prometheus v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_recorder_prometheus-fcf271e7df34af91)
[INFO] running `Command { std: "docker" "inspect" "64a793ad19621700266c4a6d2e335e3775d13c0033b887051f47129211a560f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a793ad19621700266c4a6d2e335e3775d13c0033b887051f47129211a560f9", kill_on_drop: false }`
[INFO] [stdout] 64a793ad19621700266c4a6d2e335e3775d13c0033b887051f47129211a560f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a49ff43d637652e650d50d3efa7cd6d815b42ce6e01dfbd3574978af8fe92c33
[INFO] running `Command { std: "docker" "start" "-a" "a49ff43d637652e650d50d3efa7cd6d815b42ce6e01dfbd3574978af8fe92c33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_recorder_prometheus-fcf271e7df34af91)
[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-recorder-prometheus
[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] running `Command { std: "docker" "inspect" "a49ff43d637652e650d50d3efa7cd6d815b42ce6e01dfbd3574978af8fe92c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49ff43d637652e650d50d3efa7cd6d815b42ce6e01dfbd3574978af8fe92c33", kill_on_drop: false }`
[INFO] [stdout] a49ff43d637652e650d50d3efa7cd6d815b42ce6e01dfbd3574978af8fe92c33