[INFO] updating cached repository elbaro/ps-util
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elbaro/ps-util
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elbaro/ps-util" "work/ex/clippy-test-run/sources/stable/gh/elbaro/ps-util"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/elbaro/ps-util'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elbaro/ps-util" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/elbaro/ps-util"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/elbaro/ps-util'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9cb93467812e6fd4a779c7f83fc4e4043e6fd21
[INFO] sha for GitHub repo elbaro/ps-util: d9cb93467812e6fd4a779c7f83fc4e4043e6fd21
[INFO] validating manifest of elbaro/ps-util on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elbaro/ps-util on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elbaro/ps-util
[INFO] finished frobbing elbaro/ps-util
[INFO] frobbed toml for elbaro/ps-util written to work/ex/clippy-test-run/sources/stable/gh/elbaro/ps-util/Cargo.toml
[INFO] started frobbing elbaro/ps-util
[INFO] finished frobbing elbaro/ps-util
[INFO] frobbed toml for elbaro/ps-util written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/elbaro/ps-util/Cargo.toml
[INFO] crate elbaro/ps-util has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting elbaro/ps-util against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/elbaro/ps-util:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3af12d513273e0d21752e5238ad32136f250e12eed295b2e1793026578f54747
[INFO] running `"docker" "start" "-a" "3af12d513273e0d21752e5238ad32136f250e12eed295b2e1793026578f54747"`
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
[INFO] [stderr]     |
[INFO] [stderr] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
[INFO] [stderr]     |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `futures`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3af12d513273e0d21752e5238ad32136f250e12eed295b2e1793026578f54747"`
[INFO] running `"docker" "rm" "-f" "3af12d513273e0d21752e5238ad32136f250e12eed295b2e1793026578f54747"`
[INFO] [stdout] 3af12d513273e0d21752e5238ad32136f250e12eed295b2e1793026578f54747