[INFO] updating cached repository PvdBerg1998/futures-executor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PvdBerg1998/futures-executor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PvdBerg1998/futures-executor" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/PvdBerg1998/futures-executor"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/PvdBerg1998/futures-executor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PvdBerg1998/futures-executor" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/PvdBerg1998/futures-executor"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/PvdBerg1998/futures-executor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7cd8ae92f81d3b8580e6884f1f2fcce8f741369
[INFO] sha for GitHub repo PvdBerg1998/futures-executor: e7cd8ae92f81d3b8580e6884f1f2fcce8f741369
[INFO] validating manifest of PvdBerg1998/futures-executor on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PvdBerg1998/futures-executor on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PvdBerg1998/futures-executor
[INFO] finished frobbing PvdBerg1998/futures-executor
[INFO] frobbed toml for PvdBerg1998/futures-executor written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/PvdBerg1998/futures-executor/Cargo.toml
[INFO] started frobbing PvdBerg1998/futures-executor
[INFO] finished frobbing PvdBerg1998/futures-executor
[INFO] frobbed toml for PvdBerg1998/futures-executor written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/PvdBerg1998/futures-executor/Cargo.toml
[INFO] crate PvdBerg1998/futures-executor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking PvdBerg1998/futures-executor against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/PvdBerg1998/futures-executor:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 280d44f4f43e2bbf6048faeee24e726609fbed5e1d3e4eb16fbfd7d79798a16c
[INFO] running `"docker" "start" "-a" "280d44f4f43e2bbf6048faeee24e726609fbed5e1d3e4eb16fbfd7d79798a16c"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]     Checking slotmap v0.3.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.4
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.13 (https://github.com/PvdBerg1998/futures-rs#911456a9)
[INFO] [stderr]     Checking futures-threadpool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `futures_api` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(futures_api)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `futures_api` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(futures_api)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.39s
[INFO] running `"docker" "inspect" "280d44f4f43e2bbf6048faeee24e726609fbed5e1d3e4eb16fbfd7d79798a16c"`
[INFO] running `"docker" "rm" "-f" "280d44f4f43e2bbf6048faeee24e726609fbed5e1d3e4eb16fbfd7d79798a16c"`
[INFO] [stdout] 280d44f4f43e2bbf6048faeee24e726609fbed5e1d3e4eb16fbfd7d79798a16c