[INFO] fetching crate shmem 0.2.0...
[INFO] checking shmem-0.2.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate shmem 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate shmem 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+beta-2020-07-24" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ab559ac6993eb15740b9e5e1da025a53a72ea88ac57048eb8eda29486139f70
[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" "5ab559ac6993eb15740b9e5e1da025a53a72ea88ac57048eb8eda29486139f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab559ac6993eb15740b9e5e1da025a53a72ea88ac57048eb8eda29486139f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab559ac6993eb15740b9e5e1da025a53a72ea88ac57048eb8eda29486139f70", kill_on_drop: false }`
[INFO] [stdout] 5ab559ac6993eb15740b9e5e1da025a53a72ea88ac57048eb8eda29486139f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0ccee4e1d01f88e9fe7a3bdb14def8d10cb339d690d0fc3116f3783aee4b4c
[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" "ea0ccee4e1d01f88e9fe7a3bdb14def8d10cb339d690d0fc3116f3783aee4b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking void v1.0.2
[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: use of deprecated item '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]    = 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/object.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(ftruncate(fd, size as off_t));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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]    = 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/object.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(ftruncate(fd, size as off_t));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 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)]` on by default
[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]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "ea0ccee4e1d01f88e9fe7a3bdb14def8d10cb339d690d0fc3116f3783aee4b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0ccee4e1d01f88e9fe7a3bdb14def8d10cb339d690d0fc3116f3783aee4b4c", kill_on_drop: false }`
[INFO] [stdout] ea0ccee4e1d01f88e9fe7a3bdb14def8d10cb339d690d0fc3116f3783aee4b4c
