[INFO] updating cached repository honzasp/libext2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/honzasp/libext2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/honzasp/libext2" "work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/libext2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/libext2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/honzasp/libext2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/libext2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/libext2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff6707ad1d23572ee7e418d4b63cc76252f90e6f
[INFO] sha for GitHub repo honzasp/libext2: ff6707ad1d23572ee7e418d4b63cc76252f90e6f
[INFO] validating manifest of honzasp/libext2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of honzasp/libext2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing honzasp/libext2
[INFO] finished frobbing honzasp/libext2
[INFO] frobbed toml for honzasp/libext2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/libext2/Cargo.toml
[INFO] started frobbing honzasp/libext2
[INFO] finished frobbing honzasp/libext2
[INFO] frobbed toml for honzasp/libext2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/libext2/Cargo.toml
[INFO] crate honzasp/libext2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/libext2/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing honzasp/libext2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/libext2:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 70606098ea4bf2155571eb6a1e9c2a9e3060487ce4dbf8a6a815a0c27d008629
[INFO] running `"docker" "start" "-a" "70606098ea4bf2155571eb6a1e9c2a9e3060487ce4dbf8a6a815a0c27d008629"`
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.2.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling ext2 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/error.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |   cause: Option<Box<error::Error>>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/error.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/fs.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |   pub volume: Box<Volume>,
[INFO] [stderr]   |                   ^^^^^^ help: use `dyn`: `dyn Volume`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn mount_fs(mut volume: Box<Volume>) -> Result<Filesystem> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Volume`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `"docker" "inspect" "70606098ea4bf2155571eb6a1e9c2a9e3060487ce4dbf8a6a815a0c27d008629"`
[INFO] running `"docker" "rm" "-f" "70606098ea4bf2155571eb6a1e9c2a9e3060487ce4dbf8a6a815a0c27d008629"`
[INFO] [stdout] 70606098ea4bf2155571eb6a1e9c2a9e3060487ce4dbf8a6a815a0c27d008629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/libext2:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e8c599f08bb257a9fcf3cab72792eea545bd2f866da738ff7c70a02c1bfc6c5d
[INFO] running `"docker" "start" "-a" "e8c599f08bb257a9fcf3cab72792eea545bd2f866da738ff7c70a02c1bfc6c5d"`
[INFO] [stderr]    Compiling ext2 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/info.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn print_error(err: &error::Error) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `ext2::Filesystem` in the current scope
[INFO] [stderr]  --> examples/info.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let mut fs = try!(ext2::Filesystem::new(Box::new(volume)));
[INFO] [stderr]   |                                       ^^^ function or associated item not found in `ext2::Filesystem`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no associated item named `ROOT_INO` found for type `ext2::Filesystem` in the current scope
[INFO] [stderr]  --> examples/info.rs:9:57
[INFO] [stderr]   |
[INFO] [stderr] 9 |   let root_inode = try!(fs.read_inode(ext2::Filesystem::ROOT_INO));
[INFO] [stderr]   |                                                         ^^^^^^^^ associated item not found in `ext2::Filesystem`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> examples/info.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |   match err.cause() {
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `ext2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/fuse.rs:362:22
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn print_error(err: &error::Error) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/error.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |   cause: Option<Box<error::Error>>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/error.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/fs.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |   pub volume: Box<Volume>,
[INFO] [stderr]   |                   ^^^^^^ help: use `dyn`: `dyn Volume`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn mount_fs(mut volume: Box<Volume>) -> Result<Filesystem> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Volume`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/fuse.rs:364:13
[INFO] [stderr]     |
[INFO] [stderr] 364 |   match err.cause() {
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e8c599f08bb257a9fcf3cab72792eea545bd2f866da738ff7c70a02c1bfc6c5d"`
[INFO] running `"docker" "rm" "-f" "e8c599f08bb257a9fcf3cab72792eea545bd2f866da738ff7c70a02c1bfc6c5d"`
[INFO] [stdout] e8c599f08bb257a9fcf3cab72792eea545bd2f866da738ff7c70a02c1bfc6c5d