[INFO] updating cached repository H-Plus-Time/percolation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/H-Plus-Time/percolation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/H-Plus-Time/percolation" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/H-Plus-Time/percolation"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/H-Plus-Time/percolation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/H-Plus-Time/percolation" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/H-Plus-Time/percolation"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/H-Plus-Time/percolation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2472733d2cdfffe7d33ac6f8ae3c9b6cc7102fc
[INFO] sha for GitHub repo H-Plus-Time/percolation: a2472733d2cdfffe7d33ac6f8ae3c9b6cc7102fc
[INFO] validating manifest of H-Plus-Time/percolation on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of H-Plus-Time/percolation on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing H-Plus-Time/percolation
[INFO] finished frobbing H-Plus-Time/percolation
[INFO] frobbed toml for H-Plus-Time/percolation written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/H-Plus-Time/percolation/Cargo.toml
[INFO] started frobbing H-Plus-Time/percolation
[INFO] finished frobbing H-Plus-Time/percolation
[INFO] frobbed toml for H-Plus-Time/percolation written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/H-Plus-Time/percolation/Cargo.toml
[INFO] crate H-Plus-Time/percolation has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking H-Plus-Time/percolation against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/H-Plus-Time/percolation:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 142136e6bad335a9a0b30e2618d7bdf0ee22c4a228b2d6cea126cec2e4bca601
[INFO] running `"docker" "start" "-a" "142136e6bad335a9a0b30e2618d7bdf0ee22c4a228b2d6cea126cec2e4bca601"`
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking nalgebra v0.12.3
[INFO] [stderr] error[E0119]: conflicting implementations of trait `HeapSizeOf` for type `std::vec::Vec<std::rc::Rc<_>>`:
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/heapsize-0.4.1/src/lib.rs:244:1
[INFO] [stderr]     |
[INFO] [stderr] 227 | impl<T: HeapSizeOf> HeapSizeOf for Vec<T> {
[INFO] [stderr]     | ----------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 244 | impl<T> HeapSizeOf for Vec<Rc<T>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::vec::Vec<std::rc::Rc<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `HeapSizeOf` for type `std::rc::Rc<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `heapsize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "142136e6bad335a9a0b30e2618d7bdf0ee22c4a228b2d6cea126cec2e4bca601"`
[INFO] running `"docker" "rm" "-f" "142136e6bad335a9a0b30e2618d7bdf0ee22c4a228b2d6cea126cec2e4bca601"`
[INFO] [stdout] 142136e6bad335a9a0b30e2618d7bdf0ee22c4a228b2d6cea126cec2e4bca601