[INFO] updating cached repository markcol/leveldb-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/markcol/leveldb-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/markcol/leveldb-rs" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/markcol/leveldb-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/markcol/leveldb-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/markcol/leveldb-rs" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/markcol/leveldb-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/markcol/leveldb-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3600b1eecb9467c852dc4cfbde8d4c99203cfcc8
[INFO] sha for GitHub repo markcol/leveldb-rs: 3600b1eecb9467c852dc4cfbde8d4c99203cfcc8
[INFO] validating manifest of markcol/leveldb-rs on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of markcol/leveldb-rs on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing markcol/leveldb-rs
[INFO] finished frobbing markcol/leveldb-rs
[INFO] frobbed toml for markcol/leveldb-rs written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/markcol/leveldb-rs/Cargo.toml
[INFO] started frobbing markcol/leveldb-rs
[INFO] finished frobbing markcol/leveldb-rs
[INFO] frobbed toml for markcol/leveldb-rs written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/markcol/leveldb-rs/Cargo.toml
[INFO] crate markcol/leveldb-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking markcol/leveldb-rs against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/markcol/leveldb-rs:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2785771ec4581770c50087b89f14bcd091b85404450bede63cc7e796ab3d2171
[INFO] running `"docker" "start" "-a" "2785771ec4581770c50087b89f14bcd091b85404450bede63cc7e796ab3d2171"`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking leveldb-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/mod.rs:111:28
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stderr]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[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/storage/mod.rs:136:42
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stderr]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/mod.rs:141:44
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/mod.rs:111:28
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stderr]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[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/storage/mod.rs:136:42
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stderr]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/mod.rs:141:44
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.69s
[INFO] running `"docker" "inspect" "2785771ec4581770c50087b89f14bcd091b85404450bede63cc7e796ab3d2171"`
[INFO] running `"docker" "rm" "-f" "2785771ec4581770c50087b89f14bcd091b85404450bede63cc7e796ab3d2171"`
[INFO] [stdout] 2785771ec4581770c50087b89f14bcd091b85404450bede63cc7e796ab3d2171