[INFO] fetching crate metrics-fn 0.1.1...
[INFO] testing metrics-fn-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate metrics-fn 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate metrics-fn 0.1.1
[INFO] finished tweaking crates.io crate metrics-fn 0.1.1
[INFO] tweaked toml for crates.io crate metrics-fn 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-fn 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-fn-codegen v0.1.1
[INFO] [stderr]   Downloaded prometheus v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b166963c36e801c088e494179584b86d867d595a9ccd90161194ddf0be5a269
[INFO] running `Command { std: "docker" "start" "-a" "2b166963c36e801c088e494179584b86d867d595a9ccd90161194ddf0be5a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b166963c36e801c088e494179584b86d867d595a9ccd90161194ddf0be5a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b166963c36e801c088e494179584b86d867d595a9ccd90161194ddf0be5a269", kill_on_drop: false }`
[INFO] [stdout] 2b166963c36e801c088e494179584b86d867d595a9ccd90161194ddf0be5a269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c3fa997e37fa63de265ac5fe739c18de171873c424b26243eac0b5fe2b6a83
[INFO] running `Command { std: "docker" "start" "-a" "16c3fa997e37fa63de265ac5fe739c18de171873c424b26243eac0b5fe2b6a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-fn-codegen v0.1.1
[INFO] [stderr]    Compiling metrics-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "16c3fa997e37fa63de265ac5fe739c18de171873c424b26243eac0b5fe2b6a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c3fa997e37fa63de265ac5fe739c18de171873c424b26243eac0b5fe2b6a83", kill_on_drop: false }`
[INFO] [stdout] 16c3fa997e37fa63de265ac5fe739c18de171873c424b26243eac0b5fe2b6a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82b51c3611f3bcad6c9493859be0ecc32b87a14bed8c497ba45709711f7e30ae
[INFO] running `Command { std: "docker" "start" "-a" "82b51c3611f3bcad6c9493859be0ecc32b87a14bed8c497ba45709711f7e30ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "82b51c3611f3bcad6c9493859be0ecc32b87a14bed8c497ba45709711f7e30ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b51c3611f3bcad6c9493859be0ecc32b87a14bed8c497ba45709711f7e30ae", kill_on_drop: false }`
[INFO] [stdout] 82b51c3611f3bcad6c9493859be0ecc32b87a14bed8c497ba45709711f7e30ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 401db3ec530104a873149e70c711fd9cc8229dab1d4f99929f6ca55ebc5e2961
[INFO] running `Command { std: "docker" "start" "-a" "401db3ec530104a873149e70c711fd9cc8229dab1d4f99929f6ca55ebc5e2961", 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_fn-03fa0d513ab53d43)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests metrics_fn
[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 src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "401db3ec530104a873149e70c711fd9cc8229dab1d4f99929f6ca55ebc5e2961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401db3ec530104a873149e70c711fd9cc8229dab1d4f99929f6ca55ebc5e2961", kill_on_drop: false }`
[INFO] [stdout] 401db3ec530104a873149e70c711fd9cc8229dab1d4f99929f6ca55ebc5e2961