[INFO] fetching crate fn_helpers 0.0.0...
[INFO] testing fn_helpers-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fn_helpers 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fn_helpers 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fn_helpers 0.0.0
[INFO] finished tweaking crates.io crate fn_helpers 0.0.0
[INFO] tweaked toml for crates.io crate fn_helpers 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b13f50824b7d62a2e44199edec895a95c8915ab8bbf777fbb7f3a7bafd8611
[INFO] running `Command { std: "docker" "start" "-a" "e8b13f50824b7d62a2e44199edec895a95c8915ab8bbf777fbb7f3a7bafd8611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b13f50824b7d62a2e44199edec895a95c8915ab8bbf777fbb7f3a7bafd8611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b13f50824b7d62a2e44199edec895a95c8915ab8bbf777fbb7f3a7bafd8611", kill_on_drop: false }`
[INFO] [stdout] e8b13f50824b7d62a2e44199edec895a95c8915ab8bbf777fbb7f3a7bafd8611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25280f8f3f9105640cb7415d59282f4c091e0151d904d0ee5766ed6b6b8093f7
[INFO] running `Command { std: "docker" "start" "-a" "25280f8f3f9105640cb7415d59282f4c091e0151d904d0ee5766ed6b6b8093f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn_helpers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "25280f8f3f9105640cb7415d59282f4c091e0151d904d0ee5766ed6b6b8093f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25280f8f3f9105640cb7415d59282f4c091e0151d904d0ee5766ed6b6b8093f7", kill_on_drop: false }`
[INFO] [stdout] 25280f8f3f9105640cb7415d59282f4c091e0151d904d0ee5766ed6b6b8093f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19145c2a79f47f54f64ce803081cf756ec4074510d1e3bded20d284d796c0b9b
[INFO] running `Command { std: "docker" "start" "-a" "19145c2a79f47f54f64ce803081cf756ec4074510d1e3bded20d284d796c0b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn_helpers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "19145c2a79f47f54f64ce803081cf756ec4074510d1e3bded20d284d796c0b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19145c2a79f47f54f64ce803081cf756ec4074510d1e3bded20d284d796c0b9b", kill_on_drop: false }`
[INFO] [stdout] 19145c2a79f47f54f64ce803081cf756ec4074510d1e3bded20d284d796c0b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ccf1c7d87fe176c07e9cba0a44062652bd09a73bcadd930d96213545f6085ce
[INFO] running `Command { std: "docker" "start" "-a" "1ccf1c7d87fe176c07e9cba0a44062652bd09a73bcadd930d96213545f6085ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fn_helpers-75ca17a2f30173c7)
[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 fn_helpers
[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" "1ccf1c7d87fe176c07e9cba0a44062652bd09a73bcadd930d96213545f6085ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccf1c7d87fe176c07e9cba0a44062652bd09a73bcadd930d96213545f6085ce", kill_on_drop: false }`
[INFO] [stdout] 1ccf1c7d87fe176c07e9cba0a44062652bd09a73bcadd930d96213545f6085ce