[INFO] fetching crate iter 0.0.0...
[INFO] testing iter-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate iter 0.0.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate iter 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter 0.0.0
[INFO] finished tweaking crates.io crate iter 0.0.0
[INFO] tweaked toml for crates.io crate iter 0.0.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272431d2a8606ab8a6b092c059545fbe4beca776b2e56cddfea8adc05625fcd8
[INFO] running `Command { std: "docker" "start" "-a" "272431d2a8606ab8a6b092c059545fbe4beca776b2e56cddfea8adc05625fcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272431d2a8606ab8a6b092c059545fbe4beca776b2e56cddfea8adc05625fcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272431d2a8606ab8a6b092c059545fbe4beca776b2e56cddfea8adc05625fcd8", kill_on_drop: false }`
[INFO] [stdout] 272431d2a8606ab8a6b092c059545fbe4beca776b2e56cddfea8adc05625fcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d9aa172be8dce62aa3f00b3c3e0aa39549fa80f5917458e99863cdc893a998
[INFO] running `Command { std: "docker" "start" "-a" "a8d9aa172be8dce62aa3f00b3c3e0aa39549fa80f5917458e99863cdc893a998", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "a8d9aa172be8dce62aa3f00b3c3e0aa39549fa80f5917458e99863cdc893a998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d9aa172be8dce62aa3f00b3c3e0aa39549fa80f5917458e99863cdc893a998", kill_on_drop: false }`
[INFO] [stdout] a8d9aa172be8dce62aa3f00b3c3e0aa39549fa80f5917458e99863cdc893a998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afcf754ab44bb5ea22f7efa80c0876b727a83e05ae7cc1d6684ef4db978fac14
[INFO] running `Command { std: "docker" "start" "-a" "afcf754ab44bb5ea22f7efa80c0876b727a83e05ae7cc1d6684ef4db978fac14", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "afcf754ab44bb5ea22f7efa80c0876b727a83e05ae7cc1d6684ef4db978fac14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcf754ab44bb5ea22f7efa80c0876b727a83e05ae7cc1d6684ef4db978fac14", kill_on_drop: false }`
[INFO] [stdout] afcf754ab44bb5ea22f7efa80c0876b727a83e05ae7cc1d6684ef4db978fac14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e90296bcbd01fb42953cacad3ad9258a9a8427ed86e1f31ace19c36fdbeb9fa3
[INFO] running `Command { std: "docker" "start" "-a" "e90296bcbd01fb42953cacad3ad9258a9a8427ed86e1f31ace19c36fdbeb9fa3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter-dc16e2599f2cd70a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter
[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" "e90296bcbd01fb42953cacad3ad9258a9a8427ed86e1f31ace19c36fdbeb9fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90296bcbd01fb42953cacad3ad9258a9a8427ed86e1f31ace19c36fdbeb9fa3", kill_on_drop: false }`
[INFO] [stdout] e90296bcbd01fb42953cacad3ad9258a9a8427ed86e1f31ace19c36fdbeb9fa3