[INFO] crate unix-fd 0.0.1 is already in cache
[INFO] testing unix-fd-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate unix-fd 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unix-fd 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unix-fd 0.0.1
[INFO] finished tweaking crates.io crate unix-fd 0.0.1
[INFO] tweaked toml for crates.io crate unix-fd 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0e44c30633b5a889bad01b92b339c61271b4c844bc75965c4d7370c8525476f
[INFO] running `"docker" "start" "-a" "d0e44c30633b5a889bad01b92b339c61271b4c844bc75965c4d7370c8525476f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unix-fd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/dir.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:175:45
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:198:45
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:208:45
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "d0e44c30633b5a889bad01b92b339c61271b4c844bc75965c4d7370c8525476f"`
[INFO] running `"docker" "rm" "-f" "d0e44c30633b5a889bad01b92b339c61271b4c844bc75965c4d7370c8525476f"`
[INFO] [stdout] d0e44c30633b5a889bad01b92b339c61271b4c844bc75965c4d7370c8525476f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9d89f8898fb5f6df0d78b61ec74194ffee62068c596ebfefd012c94190268ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b9d89f8898fb5f6df0d78b61ec74194ffee62068c596ebfefd012c94190268ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/dir.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:175:45
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:198:45
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:208:45
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling unix-fd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/dir.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:175:45
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:198:45
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:208:45
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `"docker" "inspect" "b9d89f8898fb5f6df0d78b61ec74194ffee62068c596ebfefd012c94190268ae"`
[INFO] running `"docker" "rm" "-f" "b9d89f8898fb5f6df0d78b61ec74194ffee62068c596ebfefd012c94190268ae"`
[INFO] [stdout] b9d89f8898fb5f6df0d78b61ec74194ffee62068c596ebfefd012c94190268ae
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ff2402a94cc8befc1063a14792e4177adba117be7a7d3e7fe309946aff4a720
[INFO] running `"docker" "start" "-a" "0ff2402a94cc8befc1063a14792e4177adba117be7a7d3e7fe309946aff4a720"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/dir.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:175:45
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:198:45
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:208:45
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/dir.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:175:45
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:198:45
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fd.rs:208:45
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let mut stat: libc::stat = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         foreign_links {
[INFO] [stderr] 13 | |             Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unix_fd-14a99cc4455814f3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chroot::test::test0 ... ok
[INFO] [stderr]    Doc-tests unix-fd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/dir.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |           const FLAGS: libc::c_int = (libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 39 | |                                     libc::O_RDONLY | libc::O_NOFOLLOW);
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 |         const FLAGS: libc::c_int = libc::O_DIRECTORY | libc::O_CLOEXEC |
[INFO] [stderr] 39 |                                     libc::O_RDONLY | libc::O_NOFOLLOW;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/chroot.rs - chroot::Chroot (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0ff2402a94cc8befc1063a14792e4177adba117be7a7d3e7fe309946aff4a720"`
[INFO] running `"docker" "rm" "-f" "0ff2402a94cc8befc1063a14792e4177adba117be7a7d3e7fe309946aff4a720"`
[INFO] [stdout] 0ff2402a94cc8befc1063a14792e4177adba117be7a7d3e7fe309946aff4a720