[INFO] fetching crate llvm-rs 0.2.1...
[INFO] checking llvm-rs-0.2.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate llvm-rs 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate llvm-rs 0.2.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate llvm-rs 0.2.1
[INFO] finished tweaking crates.io crate llvm-rs 0.2.1
[INFO] tweaked toml for crates.io crate llvm-rs 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247a3aa01a5f0def988424260371b6a510ff9607937d432a0e2e05c68f393c12
[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" "247a3aa01a5f0def988424260371b6a510ff9607937d432a0e2e05c68f393c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247a3aa01a5f0def988424260371b6a510ff9607937d432a0e2e05c68f393c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247a3aa01a5f0def988424260371b6a510ff9607937d432a0e2e05c68f393c12", kill_on_drop: false }`
[INFO] [stdout] 247a3aa01a5f0def988424260371b6a510ff9607937d432a0e2e05c68f393c12
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b3f87ca3c562121de2f8a0b82bd71d1dd54873a7e98ecee3f115735118332d
[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" "25b3f87ca3c562121de2f8a0b82bd71d1dd54873a7e98ecee3f115735118332d", kill_on_drop: false }`
[INFO] [stderr]     Checking cbox v0.3.0
[INFO] [stderr]    Compiling llvm-sys v70.4.0
[INFO] [stderr]     Checking llvm-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/module.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let buf = try!(MemoryBuffer::new_from_str(s, None));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/module.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(self.write_bitcode(mod_path));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let buf = try!(MemoryBuffer::new_from_file(path));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut output = mem::uninitialized();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut error = mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/engine.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let mut out = mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/engine.rs:160:26
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let mut ee = mem::uninitialized();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/engine.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |             let mut ee = mem::uninitialized();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/module.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let mut out = mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/module.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut out = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/module.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut err = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/module.rs:203:29
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut error = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/types.rs:158:53
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut els: Vec<_> = (0..size).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/types.rs:202:56
[INFO] [stdout]     |
[INFO] [stdout] 202 |             let mut types: Vec<_> = (0..count).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ffi::core::LLVMGetValueName`: Use LLVMGetValueName2 instead
[INFO] [stdout]   --> src/value.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let c_name = core::LLVMGetValueName(self.into());
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/module.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let buf = try!(MemoryBuffer::new_from_str(s, None));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/module.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(self.write_bitcode(mod_path));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let buf = try!(MemoryBuffer::new_from_file(path));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut output = mem::uninitialized();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut error = mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/engine.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let mut out = mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/engine.rs:160:26
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let mut ee = mem::uninitialized();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/engine.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |             let mut ee = mem::uninitialized();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/module.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let mut out = mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/module.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut out = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/module.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut err = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/module.rs:203:29
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let mut error = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/types.rs:158:53
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut els: Vec<_> = (0..size).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/types.rs:202:56
[INFO] [stdout]     |
[INFO] [stdout] 202 |             let mut types: Vec<_> = (0..count).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ffi::core::LLVMGetValueName`: Use LLVMGetValueName2 instead
[INFO] [stdout]   --> src/value.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let c_name = core::LLVMGetValueName(self.into());
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `&types::Type` does not permit being left uninitialized
[INFO] [stdout]    --> src/types.rs:158:53
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut els: Vec<_> = (0..size).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: references must be non-null
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `&types::Type` does not permit being left uninitialized
[INFO] [stdout]    --> src/types.rs:202:56
[INFO] [stdout]     |
[INFO] [stdout] 202 |             let mut types: Vec<_> = (0..count).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        this code causes undefined behavior when executed
[INFO] [stdout]     |                                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: references must be non-null
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `&types::Type` does not permit being left uninitialized
[INFO] [stdout]    --> src/types.rs:158:53
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut els: Vec<_> = (0..size).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: references must be non-null
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `&types::Type` does not permit being left uninitialized
[INFO] [stdout]    --> src/types.rs:202:56
[INFO] [stdout]     |
[INFO] [stdout] 202 |             let mut types: Vec<_> = (0..count).map(|_| mem::uninitialized()).collect();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        this code causes undefined behavior when executed
[INFO] [stdout]     |                                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: references must be non-null
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]  --> examples/pass_manager.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let builder = Builder::new(&ctx);
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "25b3f87ca3c562121de2f8a0b82bd71d1dd54873a7e98ecee3f115735118332d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b3f87ca3c562121de2f8a0b82bd71d1dd54873a7e98ecee3f115735118332d", kill_on_drop: false }`
[INFO] [stdout] 25b3f87ca3c562121de2f8a0b82bd71d1dd54873a7e98ecee3f115735118332d