[INFO] fetching crate shmem 0.2.0...
[INFO] fixing shmem-0.2.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate shmem 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate shmem 0.2.0
[INFO] finished tweaking crates.io crate shmem 0.2.0
[INFO] tweaked toml for crates.io crate shmem 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shmem 0.2.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.6.0 (available: v0.31.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `shmem` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24
[INFO] running `Command { std: "docker" "start" "e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `shmem` (manifest) generated 1 warning
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking shmem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(ftruncate(fd, size as off_t));
[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/object.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let fd = try!(shm_open(path.as_ref(), O_CREAT | O_RDWR, S_IRUSR | S_IWUSR));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let fd = try!(shm_open(path.as_ref(), O_RDWR, S_IRUSR | S_IWUSR));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let stat = try!(fstat(fd));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/owned.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/reference.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/mutable.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Owned::new(try!(Object::create(path, (mem::size_of::<T>() * size) as isize)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/mod.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Owned::new(try!(Object::open(path)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/owned.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/reference.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/mutable.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let address = try!(mmap(ptr::null_mut(), size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Owned::new(try!(Object::create(path, mem::size_of::<T>() as isize)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/mod.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Owned::new(try!(Object::open(path)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/owned.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (self.address as *const _ as *const _).as_ref().unwrap()
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/owned.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |             (self.address as *mut _).as_mut().unwrap()
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/reference.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (self.address as *const _ as *const _).as_ref().unwrap()
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/mutable.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (self.address as *const _ as *const _).as_ref().unwrap()
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/mutable.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |             (self.address as *mut _).as_mut().unwrap()
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(ftruncate(fd, size as off_t));
[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/object.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let fd = try!(shm_open(path.as_ref(), O_CREAT | O_RDWR, S_IRUSR | S_IWUSR));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let fd = try!(shm_open(path.as_ref(), O_RDWR, S_IRUSR | S_IWUSR));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let stat = try!(fstat(fd));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/owned.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/reference.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/mutable.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Owned::new(try!(Object::create(path, (mem::size_of::<T>() * size) as isize)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/array/mod.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Owned::new(try!(Object::open(path)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/owned.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/reference.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let address = try!(mmap(ptr::null_mut(), object.size as size_t, PROT_READ, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/mutable.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let address = try!(mmap(ptr::null_mut(), size as size_t, PROT_READ | PROT_WRITE, MAP_SHARED, object.fd, 0));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Owned::new(try!(Object::create(path, mem::size_of::<T>() as isize)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/map/mod.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Owned::new(try!(Object::open(path)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/owned.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (self.address as *const _ as *const _).as_ref().unwrap()
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/owned.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |             (self.address as *mut _).as_mut().unwrap()
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/reference.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (self.address as *const _ as *const _).as_ref().unwrap()
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/mutable.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |             (self.address as *const _ as *const _).as_ref().unwrap()
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/map/mutable.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |             (self.address as *mut _).as_mut().unwrap()
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/tyvar-behind-raw-pointer.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24", kill_on_drop: false }`
[INFO] [stdout] e9c9acbd9912652adcb363009153bf1c9bd70b587004f74a6adb6dce8729ac24
