[INFO] fetching crate nd_iter 0.0.4...
[INFO] testing nd_iter-0.0.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nd_iter 0.0.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nd_iter 0.0.4 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 nd_iter 0.0.4
[INFO] finished tweaking crates.io crate nd_iter 0.0.4
[INFO] tweaked toml for crates.io crate nd_iter 0.0.4 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2ebe5272e61ca233acee795dc4fb1ae39eb3803386dd796e3047ecf9830e82a6
[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" "2ebe5272e61ca233acee795dc4fb1ae39eb3803386dd796e3047ecf9830e82a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ebe5272e61ca233acee795dc4fb1ae39eb3803386dd796e3047ecf9830e82a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebe5272e61ca233acee795dc4fb1ae39eb3803386dd796e3047ecf9830e82a6", kill_on_drop: false }`
[INFO] [stdout] 2ebe5272e61ca233acee795dc4fb1ae39eb3803386dd796e3047ecf9830e82a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] b8e6eac302c178fad47138a10727c07a2ad4484ae81a98ac0daa68aace33501f
[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" "b8e6eac302c178fad47138a10727c07a2ad4484ae81a98ac0daa68aace33501f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nd_iter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "b8e6eac302c178fad47138a10727c07a2ad4484ae81a98ac0daa68aace33501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e6eac302c178fad47138a10727c07a2ad4484ae81a98ac0daa68aace33501f", kill_on_drop: false }`
[INFO] [stdout] b8e6eac302c178fad47138a10727c07a2ad4484ae81a98ac0daa68aace33501f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 42c0383fb5d0465bc0d4d751f957aaf2e3241ca4a14e1d91acc376099c39fee7
[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" "42c0383fb5d0465bc0d4d751f957aaf2e3241ca4a14e1d91acc376099c39fee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling nd_iter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::iter::range_inclusive`
[INFO] [stdout]  --> examples/gen.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::range_inclusive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `range_inclusive` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]  --> examples/gen.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for (x, y) in iter_2d(range(0u32, 2), range_inclusive(2u32, 5)) {
[INFO] [stdout]   |                           ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> examples/gen.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (x, y, z) in iter_3d(range(0u32, 2), range(2u32, 4), range(0u32, 2)) {
[INFO] [stdout]    |                              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> examples/gen.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (x, y, z) in iter_3d(range(0u32, 2), range(2u32, 4), range(0u32, 2)) {
[INFO] [stdout]    |                                              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> examples/gen.rs:11:62
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (x, y, z) in iter_3d(range(0u32, 2), range(2u32, 4), range(0u32, 2)) {
[INFO] [stdout]    |                                                              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nd_iter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "42c0383fb5d0465bc0d4d751f957aaf2e3241ca4a14e1d91acc376099c39fee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c0383fb5d0465bc0d4d751f957aaf2e3241ca4a14e1d91acc376099c39fee7", kill_on_drop: false }`
[INFO] [stdout] 42c0383fb5d0465bc0d4d751f957aaf2e3241ca4a14e1d91acc376099c39fee7