[INFO] fetching crate vfo 0.0.0...
[INFO] testing vfo-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vfo 0.0.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate vfo 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vfo 0.0.0
[INFO] finished tweaking crates.io crate vfo 0.0.0
[INFO] tweaked toml for crates.io crate vfo 0.0.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5704331774a01c912f918762d5761b5b4b5510c3ce53ca497e1f1b00e9d1bc5
[INFO] running `Command { std: "docker" "start" "-a" "d5704331774a01c912f918762d5761b5b4b5510c3ce53ca497e1f1b00e9d1bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5704331774a01c912f918762d5761b5b4b5510c3ce53ca497e1f1b00e9d1bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5704331774a01c912f918762d5761b5b4b5510c3ce53ca497e1f1b00e9d1bc5", kill_on_drop: false }`
[INFO] [stdout] d5704331774a01c912f918762d5761b5b4b5510c3ce53ca497e1f1b00e9d1bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434c12e689bb8011fdc6e0f1f51169926faaae911fce3a962a94eb9eff74cdfb
[INFO] running `Command { std: "docker" "start" "-a" "434c12e689bb8011fdc6e0f1f51169926faaae911fce3a962a94eb9eff74cdfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling vfo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "434c12e689bb8011fdc6e0f1f51169926faaae911fce3a962a94eb9eff74cdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434c12e689bb8011fdc6e0f1f51169926faaae911fce3a962a94eb9eff74cdfb", kill_on_drop: false }`
[INFO] [stdout] 434c12e689bb8011fdc6e0f1f51169926faaae911fce3a962a94eb9eff74cdfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bccc1643ad361bfdf8a4439383798f4ae419e471d28c46a996c687a31f3e2a8
[INFO] running `Command { std: "docker" "start" "-a" "3bccc1643ad361bfdf8a4439383798f4ae419e471d28c46a996c687a31f3e2a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vfo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3bccc1643ad361bfdf8a4439383798f4ae419e471d28c46a996c687a31f3e2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bccc1643ad361bfdf8a4439383798f4ae419e471d28c46a996c687a31f3e2a8", kill_on_drop: false }`
[INFO] [stdout] 3bccc1643ad361bfdf8a4439383798f4ae419e471d28c46a996c687a31f3e2a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4770ee94c218db54505fadcc7a40adc59b48a5748712c00d4477d6ff01909ac4
[INFO] running `Command { std: "docker" "start" "-a" "4770ee94c218db54505fadcc7a40adc59b48a5748712c00d4477d6ff01909ac4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vfo-3f95bd6f46b8db65)
[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 vfo
[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" "4770ee94c218db54505fadcc7a40adc59b48a5748712c00d4477d6ff01909ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4770ee94c218db54505fadcc7a40adc59b48a5748712c00d4477d6ff01909ac4", kill_on_drop: false }`
[INFO] [stdout] 4770ee94c218db54505fadcc7a40adc59b48a5748712c00d4477d6ff01909ac4