[INFO] cloning repository https://github.com/learn-you-a-rust/functions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learn-you-a-rust/functions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Ffunctions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Ffunctions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd6427db9216daa5a34646b9d324006c592e5211
[INFO] testing learn-you-a-rust/functions against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Ffunctions" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learn-you-a-rust/functions 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 git repo https://github.com/learn-you-a-rust/functions
[INFO] finished tweaking git repo https://github.com/learn-you-a-rust/functions
[INFO] tweaked toml for git repo https://github.com/learn-you-a-rust/functions written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-you-a-rust/functions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f13ef4c193637489fb78cdd3f5a681c1816414b4282fb7ba10d4674d1c282992
[INFO] running `Command { std: "docker" "start" "-a" "f13ef4c193637489fb78cdd3f5a681c1816414b4282fb7ba10d4674d1c282992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13ef4c193637489fb78cdd3f5a681c1816414b4282fb7ba10d4674d1c282992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13ef4c193637489fb78cdd3f5a681c1816414b4282fb7ba10d4674d1c282992", kill_on_drop: false }`
[INFO] [stdout] f13ef4c193637489fb78cdd3f5a681c1816414b4282fb7ba10d4674d1c282992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b8f0adf50428f0a4ad2f7ad909e53ffc929d1ea48220f74a80a9cd42b405d70c
[INFO] running `Command { std: "docker" "start" "-a" "b8f0adf50428f0a4ad2f7ad909e53ffc929d1ea48220f74a80a9cd42b405d70c", kill_on_drop: false }`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "b8f0adf50428f0a4ad2f7ad909e53ffc929d1ea48220f74a80a9cd42b405d70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f0adf50428f0a4ad2f7ad909e53ffc929d1ea48220f74a80a9cd42b405d70c", kill_on_drop: false }`
[INFO] [stdout] b8f0adf50428f0a4ad2f7ad909e53ffc929d1ea48220f74a80a9cd42b405d70c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 759b74d727d565364ce3d4f057c15e0e2e655b0863be3477bca7bac6bf28437c
[INFO] running `Command { std: "docker" "start" "-a" "759b74d727d565364ce3d4f057c15e0e2e655b0863be3477bca7bac6bf28437c", kill_on_drop: false }`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "759b74d727d565364ce3d4f057c15e0e2e655b0863be3477bca7bac6bf28437c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759b74d727d565364ce3d4f057c15e0e2e655b0863be3477bca7bac6bf28437c", kill_on_drop: false }`
[INFO] [stdout] 759b74d727d565364ce3d4f057c15e0e2e655b0863be3477bca7bac6bf28437c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1b49949ef0c44971b45c6396c4ae5a253ebf76b0a2827bc3df62c17234044852
[INFO] running `Command { std: "docker" "start" "-a" "1b49949ef0c44971b45c6396c4ae5a253ebf76b0a2827bc3df62c17234044852", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/functions-0ac157ff9122bd58)
[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" "1b49949ef0c44971b45c6396c4ae5a253ebf76b0a2827bc3df62c17234044852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b49949ef0c44971b45c6396c4ae5a253ebf76b0a2827bc3df62c17234044852", kill_on_drop: false }`
[INFO] [stdout] 1b49949ef0c44971b45c6396c4ae5a253ebf76b0a2827bc3df62c17234044852