[INFO] fetching crate fn_helpers 0.0.0...
[INFO] testing fn_helpers-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fn_helpers 0.0.0 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate fn_helpers 0.0.0 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 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-48/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 1faf7c8bcba945072d532f58d194880170f1ee0d58161e8aeea02d21fa195056
[INFO] running `Command { std: "docker" "start" "-a" "1faf7c8bcba945072d532f58d194880170f1ee0d58161e8aeea02d21fa195056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1faf7c8bcba945072d532f58d194880170f1ee0d58161e8aeea02d21fa195056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1faf7c8bcba945072d532f58d194880170f1ee0d58161e8aeea02d21fa195056", kill_on_drop: false }`
[INFO] [stdout] 1faf7c8bcba945072d532f58d194880170f1ee0d58161e8aeea02d21fa195056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 1e3296503d6422e413c23088b44384e2d1d68c0ba4cffd55a0f0f16bcfb1a656
[INFO] running `Command { std: "docker" "start" "-a" "1e3296503d6422e413c23088b44384e2d1d68c0ba4cffd55a0f0f16bcfb1a656", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn_helpers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "1e3296503d6422e413c23088b44384e2d1d68c0ba4cffd55a0f0f16bcfb1a656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3296503d6422e413c23088b44384e2d1d68c0ba4cffd55a0f0f16bcfb1a656", kill_on_drop: false }`
[INFO] [stdout] 1e3296503d6422e413c23088b44384e2d1d68c0ba4cffd55a0f0f16bcfb1a656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 1b43f5cd58a5f6c5384de770743eff0ee941bd8d18992203ad67966a34310cce
[INFO] running `Command { std: "docker" "start" "-a" "1b43f5cd58a5f6c5384de770743eff0ee941bd8d18992203ad67966a34310cce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fn_helpers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fn_helpers-75ca17a2f30173c7)
[INFO] running `Command { std: "docker" "inspect" "1b43f5cd58a5f6c5384de770743eff0ee941bd8d18992203ad67966a34310cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b43f5cd58a5f6c5384de770743eff0ee941bd8d18992203ad67966a34310cce", kill_on_drop: false }`
[INFO] [stdout] 1b43f5cd58a5f6c5384de770743eff0ee941bd8d18992203ad67966a34310cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] dbff29ba0977568fa65589fab9e8571fcde79a33396649bd97be0082c3b4647b
[INFO] running `Command { std: "docker" "start" "-a" "dbff29ba0977568fa65589fab9e8571fcde79a33396649bd97be0082c3b4647b", 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/fn_helpers-75ca17a2f30173c7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fn_helpers
[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 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" "dbff29ba0977568fa65589fab9e8571fcde79a33396649bd97be0082c3b4647b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbff29ba0977568fa65589fab9e8571fcde79a33396649bd97be0082c3b4647b", kill_on_drop: false }`
[INFO] [stdout] dbff29ba0977568fa65589fab9e8571fcde79a33396649bd97be0082c3b4647b