[INFO] updating cached repository https://github.com/mkomitee/krb5.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69c0f39fc2215d6c0492805ee07d16f1068d554c
[INFO] testing mkomitee/krb5.rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkomitee%2Fkrb5.rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkomitee/krb5.rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkomitee/krb5.rs
[INFO] finished tweaking git repo https://github.com/mkomitee/krb5.rs
[INFO] tweaked toml for git repo https://github.com/mkomitee/krb5.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mkomitee/krb5.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdbe5e109f141632040e2840b803c7582eeb53585e53d7df59b1a5b37312a3fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdbe5e109f141632040e2840b803c7582eeb53585e53d7df59b1a5b37312a3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdbe5e109f141632040e2840b803c7582eeb53585e53d7df59b1a5b37312a3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbe5e109f141632040e2840b803c7582eeb53585e53d7df59b1a5b37312a3fd", kill_on_drop: false }`
[INFO] [stdout] fdbe5e109f141632040e2840b803c7582eeb53585e53d7df59b1a5b37312a3fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8e2587b90bc7dfee5757a16ed20a94971cb36056d68ff121551246f32ebc5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd8e2587b90bc7dfee5757a16ed20a94971cb36056d68ff121551246f32ebc5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling krb5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stdout]   --> src/context.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[allow(raw_pointer_derive)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stdout]  --> src/principal.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[allow(raw_pointer_derive)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let cname = try!(CString::new(name.as_bytes()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(try!(String::from_utf8(lname)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:64:50
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::FromUtf8(ref e) => Some(e as &::std::error::Error),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:65:45
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::Nul(ref e) => Some(e as &::std::error::Error),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::FromUtf8(ref e) => e.description(),
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Nul(ref e) => e.description(),
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:40:39
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn krb5_init_context(context: *mut *mut krb5_context) -> c_int;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn krb5_free_context(context: *mut krb5_context);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn krb5_parse_name(context: *mut krb5_context,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   principal: *mut *mut krb5_principal) -> c_int;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn krb5_free_principal(context: *mut krb5_context,
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   val: *mut krb5_principal);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:69:45
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn krb5_aname_to_localname(context: *mut krb5_context,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   aname: *mut krb5_principal,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   lname: *mut [u8]) -> c_int;
[INFO] [stdout]    |                              ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn krb5_get_error_message(context: *mut krb5_context,
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn krb5_clear_error_message(context: *mut krb5_context);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn krb5_free_error_message(context: *mut krb5_context,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "fd8e2587b90bc7dfee5757a16ed20a94971cb36056d68ff121551246f32ebc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8e2587b90bc7dfee5757a16ed20a94971cb36056d68ff121551246f32ebc5d", kill_on_drop: false }`
[INFO] [stdout] fd8e2587b90bc7dfee5757a16ed20a94971cb36056d68ff121551246f32ebc5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69b5c6bc90e295b0578a7f44eb569f32acb004f32cacd406028a18c679873ced
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "69b5c6bc90e295b0578a7f44eb569f32acb004f32cacd406028a18c679873ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling krb5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stdout]   --> src/context.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[allow(raw_pointer_derive)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stdout]  --> src/principal.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[allow(raw_pointer_derive)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let cname = try!(CString::new(name.as_bytes()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(try!(String::from_utf8(lname)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:64:50
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::FromUtf8(ref e) => Some(e as &::std::error::Error),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:65:45
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::Nul(ref e) => Some(e as &::std::error::Error),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::FromUtf8(ref e) => e.description(),
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Nul(ref e) => e.description(),
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:40:39
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn krb5_init_context(context: *mut *mut krb5_context) -> c_int;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn krb5_free_context(context: *mut krb5_context);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn krb5_parse_name(context: *mut krb5_context,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   principal: *mut *mut krb5_principal) -> c_int;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn krb5_free_principal(context: *mut krb5_context,
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   val: *mut krb5_principal);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:69:45
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn krb5_aname_to_localname(context: *mut krb5_context,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   aname: *mut krb5_principal,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   lname: *mut [u8]) -> c_int;
[INFO] [stdout]    |                              ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn krb5_get_error_message(context: *mut krb5_context,
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn krb5_clear_error_message(context: *mut krb5_context);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn krb5_free_error_message(context: *mut krb5_context,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stdout]   --> src/context.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[allow(raw_pointer_derive)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stdout]  --> src/principal.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[allow(raw_pointer_derive)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let cname = try!(CString::new(name.as_bytes()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(try!(String::from_utf8(lname)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:64:50
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::FromUtf8(ref e) => Some(e as &::std::error::Error),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:65:45
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::Nul(ref e) => Some(e as &::std::error::Error),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::FromUtf8(ref e) => e.description(),
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Nul(ref e) => e.description(),
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:40:39
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn krb5_init_context(context: *mut *mut krb5_context) -> c_int;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn krb5_free_context(context: *mut krb5_context);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn krb5_parse_name(context: *mut krb5_context,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   principal: *mut *mut krb5_principal) -> c_int;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn krb5_free_principal(context: *mut krb5_context,
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   val: *mut krb5_principal);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:69:45
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn krb5_aname_to_localname(context: *mut krb5_context,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   aname: *mut krb5_principal,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct krb5_principal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   lname: *mut [u8]) -> c_int;
[INFO] [stdout]    |                              ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn krb5_get_error_message(context: *mut krb5_context,
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn krb5_clear_error_message(context: *mut krb5_context);
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn krb5_free_error_message(context: *mut krb5_context,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a member to this struct
[INFO] [stdout]    = note: this struct has no fields
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct krb5_context;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69b5c6bc90e295b0578a7f44eb569f32acb004f32cacd406028a18c679873ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b5c6bc90e295b0578a7f44eb569f32acb004f32cacd406028a18c679873ced", kill_on_drop: false }`
[INFO] [stdout] 69b5c6bc90e295b0578a7f44eb569f32acb004f32cacd406028a18c679873ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e40464835a9af158e7a5d623227000fb4d34c333956e31a18775138178fa151
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e40464835a9af158e7a5d623227000fb4d34c333956e31a18775138178fa151", kill_on_drop: false }`
[INFO] [stderr] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stderr]   --> src/context.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[allow(raw_pointer_derive)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stderr]  --> src/principal.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[allow(raw_pointer_derive)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/context.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let cname = try!(CString::new(name.as_bytes()));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/context.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |         Ok(try!(String::from_utf8(lname)))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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:64:50
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Error::FromUtf8(ref e) => Some(e as &::std::error::Error),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:65:45
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Error::Nul(ref e) => Some(e as &::std::error::Error),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:57:41
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Error::FromUtf8(ref e) => e.description(),
[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/error.rs:58:36
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Error::Nul(ref e) => e.description(),
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:40:39
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn krb5_init_context(context: *mut *mut krb5_context) -> c_int;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn krb5_free_context(context: *mut krb5_context);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn krb5_parse_name(context: *mut krb5_context,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:54:39
[INFO] [stderr]    |
[INFO] [stderr] 54 | ...                   principal: *mut *mut krb5_principal) -> c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct krb5_principal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:60:41
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn krb5_free_principal(context: *mut krb5_context,
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 | ...                   val: *mut krb5_principal);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct krb5_principal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:69:45
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn krb5_aname_to_localname(context: *mut krb5_context,
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:70:43
[INFO] [stderr]    |
[INFO] [stderr] 70 | ...                   aname: *mut krb5_principal,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct krb5_principal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:72:43
[INFO] [stderr]    |
[INFO] [stderr] 72 | ...                   lname: *mut [u8]) -> c_int;
[INFO] [stderr]    |                              ^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a raw pointer instead
[INFO] [stderr]    = note: slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:78:44
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn krb5_get_error_message(context: *mut krb5_context,
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn krb5_clear_error_message(context: *mut krb5_context);
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:90:45
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn krb5_free_error_message(context: *mut krb5_context,
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stderr]   --> src/context.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[allow(raw_pointer_derive)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `raw_pointer_derive` has been removed: `using derive with raw pointers is ok`
[INFO] [stderr]  --> src/principal.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[allow(raw_pointer_derive)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/context.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let cname = try!(CString::new(name.as_bytes()));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/context.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |         Ok(try!(String::from_utf8(lname)))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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:64:50
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Error::FromUtf8(ref e) => Some(e as &::std::error::Error),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:65:45
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Error::Nul(ref e) => Some(e as &::std::error::Error),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:57:41
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Error::FromUtf8(ref e) => e.description(),
[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/error.rs:58:36
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Error::Nul(ref e) => e.description(),
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:40:39
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn krb5_init_context(context: *mut *mut krb5_context) -> c_int;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn krb5_free_context(context: *mut krb5_context);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn krb5_parse_name(context: *mut krb5_context,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:54:39
[INFO] [stderr]    |
[INFO] [stderr] 54 | ...                   principal: *mut *mut krb5_principal) -> c_int;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct krb5_principal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:60:41
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn krb5_free_principal(context: *mut krb5_context,
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:61:37
[INFO] [stderr]    |
[INFO] [stderr] 61 | ...                   val: *mut krb5_principal);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct krb5_principal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:69:45
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn krb5_aname_to_localname(context: *mut krb5_context,
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_principal`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:70:43
[INFO] [stderr]    |
[INFO] [stderr] 70 | ...                   aname: *mut krb5_principal,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct krb5_principal;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:72:43
[INFO] [stderr]    |
[INFO] [stderr] 72 | ...                   lname: *mut [u8]) -> c_int;
[INFO] [stderr]    |                              ^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a raw pointer instead
[INFO] [stderr]    = note: slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:78:44
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn krb5_get_error_message(context: *mut krb5_context,
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn krb5_clear_error_message(context: *mut krb5_context);
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `ffi::krb5_context`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:90:45
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn krb5_free_error_message(context: *mut krb5_context,
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a member to this struct
[INFO] [stderr]    = note: this struct has no fields
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct krb5_context;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/krb5-16b8225005702446
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test context::tests::translate_localname_err ... FAILED
[INFO] [stdout] test context::tests::translate_localname_ok ... ok
[INFO] [stdout] test context::tests::create_context ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     context::tests::translate_localname_err
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e40464835a9af158e7a5d623227000fb4d34c333956e31a18775138178fa151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e40464835a9af158e7a5d623227000fb4d34c333956e31a18775138178fa151", kill_on_drop: false }`
[INFO] [stdout] 2e40464835a9af158e7a5d623227000fb4d34c333956e31a18775138178fa151