[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/markcol/leveldb-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/markcol/leveldb-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/markcol/leveldb-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/markcol/leveldb-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of markcol/leveldb-rs 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 markcol/leveldb-rs
[INFO] finished frobbing markcol/leveldb-rs
[INFO] frobbed toml for markcol/leveldb-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+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 markcol/leveldb-rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eab560287d8f015c0f6bdc0df9a4e6963913f3618187b2d8fb195f436d9275d9
[INFO] running `"docker" "start" "-a" "eab560287d8f015c0f6bdc0df9a4e6963913f3618187b2d8fb195f436d9275d9"`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking structopt v0.2.5
[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 24.80s
[INFO] running `"docker" "inspect" "eab560287d8f015c0f6bdc0df9a4e6963913f3618187b2d8fb195f436d9275d9"`
[INFO] running `"docker" "rm" "-f" "eab560287d8f015c0f6bdc0df9a4e6963913f3618187b2d8fb195f436d9275d9"`
[INFO] [stdout] eab560287d8f015c0f6bdc0df9a4e6963913f3618187b2d8fb195f436d9275d9