[INFO] crate mdo-future 0.2.0 is already in cache
[INFO] checking mdo-future-0.2.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate mdo-future 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mdo-future 0.2.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mdo-future 0.2.0
[INFO] finished tweaking crates.io crate mdo-future 0.2.0
[INFO] tweaked toml for crates.io crate mdo-future 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 089cad30160d79bafa6bad3b399506db8c67f3869980c13d062532b3d2e3b14e
[INFO] running `"docker" "start" "-a" "089cad30160d79bafa6bad3b399506db8c67f3869980c13d062532b3d2e3b14e"`
[INFO] [stderr]     Checking mdo v0.3.0
[INFO] [stderr]     Checking mdo-future v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'futures::stream::BoxStream': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:161:46
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn stream_range(start: u32, end: u32) -> stream::BoxStream<u32, String> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::stream::iter': implementation moved to `iter_ok` and `iter_result`
[INFO] [stderr]    --> src/lib.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         stream::iter((start..end).map(Ok::<u32, String>)).boxed()
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'futures::Stream::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:162:59
[INFO] [stderr]     |
[INFO] [stderr] 162 |         stream::iter((start..end).map(Ok::<u32, String>)).boxed()
[INFO] [stderr]     |                                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "089cad30160d79bafa6bad3b399506db8c67f3869980c13d062532b3d2e3b14e"`
[INFO] running `"docker" "rm" "-f" "089cad30160d79bafa6bad3b399506db8c67f3869980c13d062532b3d2e3b14e"`
[INFO] [stdout] 089cad30160d79bafa6bad3b399506db8c67f3869980c13d062532b3d2e3b14e