[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 1.55.0 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-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottschroeder/rust-iterator-adapter 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/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-88/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" "+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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] ebdb2407e1c57b8c18e0be19f464ec90cb2a739b91219d30b9b8eeccf204144f
[INFO] running `Command { std: "docker" "start" "-a" "ebdb2407e1c57b8c18e0be19f464ec90cb2a739b91219d30b9b8eeccf204144f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebdb2407e1c57b8c18e0be19f464ec90cb2a739b91219d30b9b8eeccf204144f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdb2407e1c57b8c18e0be19f464ec90cb2a739b91219d30b9b8eeccf204144f", kill_on_drop: false }`
[INFO] [stdout] ebdb2407e1c57b8c18e0be19f464ec90cb2a739b91219d30b9b8eeccf204144f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] ac17b8e9f10c6c9e5a7d3182b54e7bfad06f6314c0b0f1b85a9cf1a40e434b9b
[INFO] running `Command { std: "docker" "start" "-a" "ac17b8e9f10c6c9e5a7d3182b54e7bfad06f6314c0b0f1b85a9cf1a40e434b9b", 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 2.18s
[INFO] running `Command { std: "docker" "inspect" "ac17b8e9f10c6c9e5a7d3182b54e7bfad06f6314c0b0f1b85a9cf1a40e434b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac17b8e9f10c6c9e5a7d3182b54e7bfad06f6314c0b0f1b85a9cf1a40e434b9b", kill_on_drop: false }`
[INFO] [stdout] ac17b8e9f10c6c9e5a7d3182b54e7bfad06f6314c0b0f1b85a9cf1a40e434b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 1c4dfb55a5b9b12adcf6a2cc45a48823fee34f21a60061a85b9bb3c2282bdd70
[INFO] running `Command { std: "docker" "start" "-a" "1c4dfb55a5b9b12adcf6a2cc45a48823fee34f21a60061a85b9bb3c2282bdd70", 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 4.38s
[INFO] running `Command { std: "docker" "inspect" "1c4dfb55a5b9b12adcf6a2cc45a48823fee34f21a60061a85b9bb3c2282bdd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4dfb55a5b9b12adcf6a2cc45a48823fee34f21a60061a85b9bb3c2282bdd70", kill_on_drop: false }`
[INFO] [stdout] 1c4dfb55a5b9b12adcf6a2cc45a48823fee34f21a60061a85b9bb3c2282bdd70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 4525a3a420f2c4a25aa9b5b4d5858fc033e8f8fbd0baf4878145736a8b1c113a
[INFO] running `Command { std: "docker" "start" "-a" "4525a3a420f2c4a25aa9b5b4d5858fc033e8f8fbd0baf4878145736a8b1c113a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_iterator_adapter-ba16539b693de446)
[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" "4525a3a420f2c4a25aa9b5b4d5858fc033e8f8fbd0baf4878145736a8b1c113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4525a3a420f2c4a25aa9b5b4d5858fc033e8f8fbd0baf4878145736a8b1c113a", kill_on_drop: false }`
[INFO] [stdout] 4525a3a420f2c4a25aa9b5b4d5858fc033e8f8fbd0baf4878145736a8b1c113a