[INFO] fetching crate prometheus-metric-storage-derive 0.4.0...
[INFO] testing prometheus-metric-storage-derive-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate prometheus-metric-storage-derive 0.4.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate prometheus-metric-storage-derive 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-metric-storage-derive 0.4.0
[INFO] finished tweaking crates.io crate prometheus-metric-storage-derive 0.4.0
[INFO] tweaked toml for crates.io crate prometheus-metric-storage-derive 0.4.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca7bf6d3b5c23697dc135fc60a782b275fb1b79ddbfa888f6abeb4916da8a1e
[INFO] running `Command { std: "docker" "start" "-a" "bca7bf6d3b5c23697dc135fc60a782b275fb1b79ddbfa888f6abeb4916da8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca7bf6d3b5c23697dc135fc60a782b275fb1b79ddbfa888f6abeb4916da8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca7bf6d3b5c23697dc135fc60a782b275fb1b79ddbfa888f6abeb4916da8a1e", kill_on_drop: false }`
[INFO] [stdout] bca7bf6d3b5c23697dc135fc60a782b275fb1b79ddbfa888f6abeb4916da8a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 721b9b8d1334d1f9ca001db5d5ba09e6415fe10c547aea572a7aa226028f5759
[INFO] running `Command { std: "docker" "start" "-a" "721b9b8d1334d1f9ca001db5d5ba09e6415fe10c547aea572a7aa226028f5759", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling prometheus-metric-storage-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.63s
[INFO] running `Command { std: "docker" "inspect" "721b9b8d1334d1f9ca001db5d5ba09e6415fe10c547aea572a7aa226028f5759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721b9b8d1334d1f9ca001db5d5ba09e6415fe10c547aea572a7aa226028f5759", kill_on_drop: false }`
[INFO] [stdout] 721b9b8d1334d1f9ca001db5d5ba09e6415fe10c547aea572a7aa226028f5759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee2e118538d0cdbcfe89450e9d750b94a6093072c454a080c6d0f453eb78dc7d
[INFO] running `Command { std: "docker" "start" "-a" "ee2e118538d0cdbcfe89450e9d750b94a6093072c454a080c6d0f453eb78dc7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-metric-storage-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "ee2e118538d0cdbcfe89450e9d750b94a6093072c454a080c6d0f453eb78dc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2e118538d0cdbcfe89450e9d750b94a6093072c454a080c6d0f453eb78dc7d", kill_on_drop: false }`
[INFO] [stdout] ee2e118538d0cdbcfe89450e9d750b94a6093072c454a080c6d0f453eb78dc7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2b944196189ca1a318d110bfadc6ae5fe134936d40513b8659def936762c5a3
[INFO] running `Command { std: "docker" "start" "-a" "f2b944196189ca1a318d110bfadc6ae5fe134936d40513b8659def936762c5a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prometheus_metric_storage_derive-5d198073639f9c19)
[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 prometheus-metric-storage-derive
[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" "f2b944196189ca1a318d110bfadc6ae5fe134936d40513b8659def936762c5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b944196189ca1a318d110bfadc6ae5fe134936d40513b8659def936762c5a3", kill_on_drop: false }`
[INFO] [stdout] f2b944196189ca1a318d110bfadc6ae5fe134936d40513b8659def936762c5a3