[INFO] cloning repository https://github.com/scottschroeder/rust-iterator-adapter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottschroeder/rust-iterator-adapter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottschroeder%2Frust-iterator-adapter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottschroeder%2Frust-iterator-adapter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b30bd4c1a8ebae2205b3f343796cb768c6719eb6
[INFO] testing scottschroeder/rust-iterator-adapter against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottschroeder%2Frust-iterator-adapter" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottschroeder/rust-iterator-adapter 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 git repo https://github.com/scottschroeder/rust-iterator-adapter
[INFO] finished tweaking git repo https://github.com/scottschroeder/rust-iterator-adapter
[INFO] tweaked toml for git repo https://github.com/scottschroeder/rust-iterator-adapter written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/scottschroeder/rust-iterator-adapter already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] fcb8f4e3e95131689db364d02fd7859a0835d6cf16c7a0363878a5b7a509a5f6
[INFO] running `Command { std: "docker" "start" "-a" "fcb8f4e3e95131689db364d02fd7859a0835d6cf16c7a0363878a5b7a509a5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcb8f4e3e95131689db364d02fd7859a0835d6cf16c7a0363878a5b7a509a5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb8f4e3e95131689db364d02fd7859a0835d6cf16c7a0363878a5b7a509a5f6", kill_on_drop: false }`
[INFO] [stdout] fcb8f4e3e95131689db364d02fd7859a0835d6cf16c7a0363878a5b7a509a5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] ab5bc6d8421f7da8e827b603be33e6db5b8919bf970ad14b373a364f2ebc3046
[INFO] running `Command { std: "docker" "start" "-a" "ab5bc6d8421f7da8e827b603be33e6db5b8919bf970ad14b373a364f2ebc3046", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-iterator-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "ab5bc6d8421f7da8e827b603be33e6db5b8919bf970ad14b373a364f2ebc3046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5bc6d8421f7da8e827b603be33e6db5b8919bf970ad14b373a364f2ebc3046", kill_on_drop: false }`
[INFO] [stdout] ab5bc6d8421f7da8e827b603be33e6db5b8919bf970ad14b373a364f2ebc3046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] b06f39c2217a61e315dcba48b7b7716c655c609d0f2b4de8bab2550b04478ad6
[INFO] running `Command { std: "docker" "start" "-a" "b06f39c2217a61e315dcba48b7b7716c655c609d0f2b4de8bab2550b04478ad6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-iterator-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "b06f39c2217a61e315dcba48b7b7716c655c609d0f2b4de8bab2550b04478ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06f39c2217a61e315dcba48b7b7716c655c609d0f2b4de8bab2550b04478ad6", kill_on_drop: false }`
[INFO] [stdout] b06f39c2217a61e315dcba48b7b7716c655c609d0f2b4de8bab2550b04478ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] aade05fe9a6fc72222ed19c0a7f709c567a1f17b25d28ca33a5fa00fdf4c867c
[INFO] running `Command { std: "docker" "start" "-a" "aade05fe9a6fc72222ed19c0a7f709c567a1f17b25d28ca33a5fa00fdf4c867c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_iterator_adapter-a3a5e44ad49a3a1a)
[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" "aade05fe9a6fc72222ed19c0a7f709c567a1f17b25d28ca33a5fa00fdf4c867c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aade05fe9a6fc72222ed19c0a7f709c567a1f17b25d28ca33a5fa00fdf4c867c", kill_on_drop: false }`
[INFO] [stdout] aade05fe9a6fc72222ed19c0a7f709c567a1f17b25d28ca33a5fa00fdf4c867c