[INFO] fetching crate metrics-fn 0.1.1...
[INFO] testing metrics-fn-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate metrics-fn 0.1.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate metrics-fn 0.1.1 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-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-28/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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 95f01fc4182d61748154e51adfd8be3a9783c09fffdda55337630ed8e9d6286b
[INFO] running `Command { std: "docker" "start" "-a" "95f01fc4182d61748154e51adfd8be3a9783c09fffdda55337630ed8e9d6286b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f01fc4182d61748154e51adfd8be3a9783c09fffdda55337630ed8e9d6286b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f01fc4182d61748154e51adfd8be3a9783c09fffdda55337630ed8e9d6286b", kill_on_drop: false }`
[INFO] [stdout] 95f01fc4182d61748154e51adfd8be3a9783c09fffdda55337630ed8e9d6286b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] fc803cce01d890d4c21e89b6a9aa69506cc9cea5476e83b6b20897daea139500
[INFO] running `Command { std: "docker" "start" "-a" "fc803cce01d890d4c21e89b6a9aa69506cc9cea5476e83b6b20897daea139500", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling metrics-fn-codegen v0.1.1
[INFO] [stderr]    Compiling metrics-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "fc803cce01d890d4c21e89b6a9aa69506cc9cea5476e83b6b20897daea139500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc803cce01d890d4c21e89b6a9aa69506cc9cea5476e83b6b20897daea139500", kill_on_drop: false }`
[INFO] [stdout] fc803cce01d890d4c21e89b6a9aa69506cc9cea5476e83b6b20897daea139500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 10108c850d63dd65eb5f6b05fc5298f9dfee224f0fb06dc94ce53189191d2ec3
[INFO] running `Command { std: "docker" "start" "-a" "10108c850d63dd65eb5f6b05fc5298f9dfee224f0fb06dc94ce53189191d2ec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_fn-981f97d1e8fd12f2)
[INFO] running `Command { std: "docker" "inspect" "10108c850d63dd65eb5f6b05fc5298f9dfee224f0fb06dc94ce53189191d2ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10108c850d63dd65eb5f6b05fc5298f9dfee224f0fb06dc94ce53189191d2ec3", kill_on_drop: false }`
[INFO] [stdout] 10108c850d63dd65eb5f6b05fc5298f9dfee224f0fb06dc94ce53189191d2ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 616bb607af6b452a9e562ca18e7f8ded62ed96398965ecfab93a9642c2481ded
[INFO] running `Command { std: "docker" "start" "-a" "616bb607af6b452a9e562ca18e7f8ded62ed96398965ecfab93a9642c2481ded", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_fn-981f97d1e8fd12f2)
[INFO] [stderr]    Doc-tests metrics-fn
[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] [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 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "616bb607af6b452a9e562ca18e7f8ded62ed96398965ecfab93a9642c2481ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616bb607af6b452a9e562ca18e7f8ded62ed96398965ecfab93a9642c2481ded", kill_on_drop: false }`
[INFO] [stdout] 616bb607af6b452a9e562ca18e7f8ded62ed96398965ecfab93a9642c2481ded