[INFO] updating cached repository rrichardson/block_alloc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rrichardson/block_alloc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rrichardson/block_alloc" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/rrichardson/block_alloc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/rrichardson/block_alloc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rrichardson/block_alloc" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/rrichardson/block_alloc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/rrichardson/block_alloc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9703709bc0e5392472a86d47ec34ecd54f993482
[INFO] sha for GitHub repo rrichardson/block_alloc: 9703709bc0e5392472a86d47ec34ecd54f993482
[INFO] validating manifest of rrichardson/block_alloc on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rrichardson/block_alloc on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rrichardson/block_alloc
[INFO] finished frobbing rrichardson/block_alloc
[INFO] frobbed toml for rrichardson/block_alloc written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/rrichardson/block_alloc/Cargo.toml
[INFO] started frobbing rrichardson/block_alloc
[INFO] finished frobbing rrichardson/block_alloc
[INFO] frobbed toml for rrichardson/block_alloc written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/rrichardson/block_alloc/Cargo.toml
[INFO] crate rrichardson/block_alloc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rrichardson/block_alloc against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/rrichardson/block_alloc:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b302e76e2168a9f83e94645421dace0a87d054dac5f5db64e4abc2ed78a25e6e
[INFO] running `"docker" "start" "-a" "b302e76e2168a9f83e94645421dace0a87d054dac5f5db64e4abc2ed78a25e6e"`
[INFO] [stderr]     Checking memmap v0.6.0
[INFO] [stderr]     Checking block_allocator v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "b302e76e2168a9f83e94645421dace0a87d054dac5f5db64e4abc2ed78a25e6e"`
[INFO] running `"docker" "rm" "-f" "b302e76e2168a9f83e94645421dace0a87d054dac5f5db64e4abc2ed78a25e6e"`
[INFO] [stdout] b302e76e2168a9f83e94645421dace0a87d054dac5f5db64e4abc2ed78a25e6e