[INFO] cloning repository https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F078105099107108097117115%2FIterators-in-Rust-Deep-Dive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F078105099107108097117115%2FIterators-in-Rust-Deep-Dive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4a60ed8b7bba9ae0d1d9ec5ca507f69a014a674
[INFO] testing 078105099107108097117115/Iterators-in-Rust-Deep-Dive against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F078105099107108097117115%2FIterators-in-Rust-Deep-Dive" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive
[INFO] finished tweaking git repo https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive
[INFO] tweaked toml for git repo https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/078105099107108097117115/Iterators-in-Rust-Deep-Dive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45bcdd2d499a5742038d3c486fb930574e352fa097d5a9a489c41ec09d3678cf
[INFO] running `Command { std: "docker" "start" "-a" "45bcdd2d499a5742038d3c486fb930574e352fa097d5a9a489c41ec09d3678cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45bcdd2d499a5742038d3c486fb930574e352fa097d5a9a489c41ec09d3678cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bcdd2d499a5742038d3c486fb930574e352fa097d5a9a489c41ec09d3678cf", kill_on_drop: false }`
[INFO] [stdout] 45bcdd2d499a5742038d3c486fb930574e352fa097d5a9a489c41ec09d3678cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e645a966be7bff1437f575feab27fbadb13dd34cc58ac1c53cb5abab90b6316
[INFO] running `Command { std: "docker" "start" "-a" "9e645a966be7bff1437f575feab27fbadb13dd34cc58ac1c53cb5abab90b6316", kill_on_drop: false }`
[INFO] [stderr]    Compiling example_01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "9e645a966be7bff1437f575feab27fbadb13dd34cc58ac1c53cb5abab90b6316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e645a966be7bff1437f575feab27fbadb13dd34cc58ac1c53cb5abab90b6316", kill_on_drop: false }`
[INFO] [stdout] 9e645a966be7bff1437f575feab27fbadb13dd34cc58ac1c53cb5abab90b6316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed307300d1cbc08f8050f27928acdac6ed9bb5e60fee3f26f0b0567281c73f11
[INFO] running `Command { std: "docker" "start" "-a" "ed307300d1cbc08f8050f27928acdac6ed9bb5e60fee3f26f0b0567281c73f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling example_01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ed307300d1cbc08f8050f27928acdac6ed9bb5e60fee3f26f0b0567281c73f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed307300d1cbc08f8050f27928acdac6ed9bb5e60fee3f26f0b0567281c73f11", kill_on_drop: false }`
[INFO] [stdout] ed307300d1cbc08f8050f27928acdac6ed9bb5e60fee3f26f0b0567281c73f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ebe5e93b3e3fda3e3613bfe5bd74d8d43b4b16b0a34dd62d3e8f836d83d1f1b
[INFO] running `Command { std: "docker" "start" "-a" "4ebe5e93b3e3fda3e3613bfe5bd74d8d43b4b16b0a34dd62d3e8f836d83d1f1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/example_01-8d93d1c8aefc964b)
[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" "4ebe5e93b3e3fda3e3613bfe5bd74d8d43b4b16b0a34dd62d3e8f836d83d1f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebe5e93b3e3fda3e3613bfe5bd74d8d43b4b16b0a34dd62d3e8f836d83d1f1b", kill_on_drop: false }`
[INFO] [stdout] 4ebe5e93b3e3fda3e3613bfe5bd74d8d43b4b16b0a34dd62d3e8f836d83d1f1b