[INFO] fetching crate mini 0.0.4...
[INFO] checking mini-0.0.4 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate mini 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mini 0.0.4
[INFO] finished tweaking crates.io crate mini 0.0.4
[INFO] tweaked toml for crates.io crate mini 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini 0.0.4 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
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[INFO] crate crates.io crate mini 0.0.4 already has a lockfile, it will not be regenerated
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[INFO] [stderr]     Checking mini v0.0.4 (/opt/rustwide/workdir)
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[INFO] [stdout]    --> src/aio/net.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         CString::from_raw(service as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = CString::from_raw(service as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/aio/slab.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let _ = CString::from_raw(hostname as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/aio/net.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         CString::from_raw(service as *mut _);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let _ = CString::from_raw(service as *mut _);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/aio/slab.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![cfg_attr(test, deny(warnings, unreachable_pub))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aio/slab.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini` (lib test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e3b3419c2502f2af0205b1265151e887306f88e28c2f00df179c55a3085b2b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b3419c2502f2af0205b1265151e887306f88e28c2f00df179c55a3085b2b20", kill_on_drop: false }`
[INFO] [stdout] e3b3419c2502f2af0205b1265151e887306f88e28c2f00df179c55a3085b2b20