[INFO] updating cached repository mquandalle/ethereum-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mquandalle/ethereum-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mquandalle/ethereum-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mquandalle/ethereum-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mquandalle/ethereum-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mquandalle/ethereum-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mquandalle/ethereum-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mquandalle/ethereum-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ab6071f4b14c52c57f2078bdebb235995257814
[INFO] sha for GitHub repo mquandalle/ethereum-rust: 2ab6071f4b14c52c57f2078bdebb235995257814
[INFO] validating manifest of mquandalle/ethereum-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mquandalle/ethereum-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mquandalle/ethereum-rust
[INFO] finished frobbing mquandalle/ethereum-rust
[INFO] frobbed toml for mquandalle/ethereum-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mquandalle/ethereum-rust/Cargo.toml
[INFO] started frobbing mquandalle/ethereum-rust
[INFO] finished frobbing mquandalle/ethereum-rust
[INFO] frobbed toml for mquandalle/ethereum-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mquandalle/ethereum-rust/Cargo.toml
[INFO] crate mquandalle/ethereum-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mquandalle/ethereum-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leveldb-rs v0.0.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mquandalle/ethereum-rust against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mquandalle/ethereum-rust:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 72a7a42a077acc9ddf2b9ef2f620d29ee64d1a65a8039e788aa436b19062e9bc
[INFO] running `"docker" "start" "-a" "72a7a42a077acc9ddf2b9ef2f620d29ee64d1a65a8039e788aa436b19062e9bc"`
[INFO] [stderr]    Compiling leveldb-rs v0.0.2
[INFO] [stderr] error[E0432]: unresolved imports `std::io::Command`, `std::io::fs`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Command, fs};
[INFO] [stderr]   |               ^^^^^^^  ^^ no `fs` in `io`
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `Command` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let out_dir = Path::new(os::getenv("OUT_DIR").unwrap());
[INFO] [stderr]    |                                 ^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let out_dir = os::getenv("OUT_DIR").unwrap();
[INFO] [stderr]    |                       ^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_str` found for type `std::path::PathBuf` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:19:51
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Command::new("make").args(&["-C", snappy_path.as_str().unwrap()])
[INFO] [stderr]    |                                                   ^^^^^^ help: did you mean: `to_str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_str` found for type `std::path::PathBuf` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:31:51
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Command::new("make").args(&["-C", snappy_path.as_str().unwrap()])
[INFO] [stderr]    |                                                   ^^^^^^ help: did you mean: `to_str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_str` found for type `std::path::PathBuf` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:41:52
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Command::new("make").args(&["-C", leveldb_path.as_str().unwrap()])
[INFO] [stderr]    |                                                    ^^^^^^ help: did you mean: `to_str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_str` found for type `std::path::PathBuf` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:47:52
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Command::new("make").args(&["-C", leveldb_path.as_str().unwrap()])
[INFO] [stderr]    |                                                    ^^^^^^ help: did you mean: `to_str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_str` found for type `std::path::PathBuf` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:48:76
[INFO] [stderr]    |
[INFO] [stderr] 48 |                         .env("LDFLAGS",  format!("-L{}",       snappy_path.as_str().unwrap()))
[INFO] [stderr]    |                                                                            ^^^^^^ help: did you mean: `to_str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_str` found for type `std::path::PathBuf` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-rs-0.0.2/build.rs:49:76
[INFO] [stderr]    |
[INFO] [stderr] 49 |                         .env("CXXFLAGS", format!("-I{} -fPIC", snappy_path.as_str().unwrap()))
[INFO] [stderr]    |                                                                            ^^^^^^ help: did you mean: `to_str`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0425, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `leveldb-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "72a7a42a077acc9ddf2b9ef2f620d29ee64d1a65a8039e788aa436b19062e9bc"`
[INFO] running `"docker" "rm" "-f" "72a7a42a077acc9ddf2b9ef2f620d29ee64d1a65a8039e788aa436b19062e9bc"`
[INFO] [stdout] 72a7a42a077acc9ddf2b9ef2f620d29ee64d1a65a8039e788aa436b19062e9bc