[INFO] fetching crate date_iter 0.1.1...
[INFO] testing date_iter-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate date_iter 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate date_iter 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate date_iter 0.1.1
[INFO] finished tweaking crates.io crate date_iter 0.1.1
[INFO] tweaked toml for crates.io crate date_iter 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b5d2e2b84432d220859e0c63fb94eb6ea39bfd83994342c7fc4b83b6826f52
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40b5d2e2b84432d220859e0c63fb94eb6ea39bfd83994342c7fc4b83b6826f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b5d2e2b84432d220859e0c63fb94eb6ea39bfd83994342c7fc4b83b6826f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b5d2e2b84432d220859e0c63fb94eb6ea39bfd83994342c7fc4b83b6826f52", kill_on_drop: false }`
[INFO] [stdout] 40b5d2e2b84432d220859e0c63fb94eb6ea39bfd83994342c7fc4b83b6826f52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d1416274ed86430992249c75f4720f0d55c67bfaf485341313cbd7657c9be7a
[INFO] running `Command { std: "docker" "start" "-a" "7d1416274ed86430992249c75f4720f0d55c67bfaf485341313cbd7657c9be7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling date_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "7d1416274ed86430992249c75f4720f0d55c67bfaf485341313cbd7657c9be7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1416274ed86430992249c75f4720f0d55c67bfaf485341313cbd7657c9be7a", kill_on_drop: false }`
[INFO] [stdout] 7d1416274ed86430992249c75f4720f0d55c67bfaf485341313cbd7657c9be7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b48e6b98fed333deda53d5ece5d13e5eab13fef2e60db2e1d4997b5bf90a9ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b48e6b98fed333deda53d5ece5d13e5eab13fef2e60db2e1d4997b5bf90a9ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling date_iter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "3b48e6b98fed333deda53d5ece5d13e5eab13fef2e60db2e1d4997b5bf90a9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b48e6b98fed333deda53d5ece5d13e5eab13fef2e60db2e1d4997b5bf90a9ad", kill_on_drop: false }`
[INFO] [stdout] 3b48e6b98fed333deda53d5ece5d13e5eab13fef2e60db2e1d4997b5bf90a9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88788cb84e1c7a3ad746c33ec88f6d8e3dde7a234794066fd3c9f95babbcc9a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88788cb84e1c7a3ad746c33ec88f6d8e3dde7a234794066fd3c9f95babbcc9a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/date_iter-a1046f2cedb03a9b
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests date_iter
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88788cb84e1c7a3ad746c33ec88f6d8e3dde7a234794066fd3c9f95babbcc9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88788cb84e1c7a3ad746c33ec88f6d8e3dde7a234794066fd3c9f95babbcc9a6", kill_on_drop: false }`
[INFO] [stdout] 88788cb84e1c7a3ad746c33ec88f6d8e3dde7a234794066fd3c9f95babbcc9a6