[INFO] fetching crate content 0.6.0...
[INFO] checking content-0.6.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate content 0.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate content 0.6.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate content 0.6.0
[INFO] finished tweaking crates.io crate content 0.6.0
[INFO] tweaked toml for crates.io crate content 0.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968533f28d63c5330b12a140928917f8ab54cc84020c82ac8d38a7f8a8fb5f57
[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" "968533f28d63c5330b12a140928917f8ab54cc84020c82ac8d38a7f8a8fb5f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968533f28d63c5330b12a140928917f8ab54cc84020c82ac8d38a7f8a8fb5f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968533f28d63c5330b12a140928917f8ab54cc84020c82ac8d38a7f8a8fb5f57", kill_on_drop: false }`
[INFO] [stdout] 968533f28d63c5330b12a140928917f8ab54cc84020c82ac8d38a7f8a8fb5f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e2b70fd72a81bf477856a246f91b896280c19378985123d1d9653039d2f4ed
[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" "67e2b70fd72a81bf477856a246f91b896280c19378985123d1d9653039d2f4ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking content v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/default.rs:56:3
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(source.read_exact(&mut bytes[..]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     read: &'a mut Read,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Read`
[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/content.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub backend: RwLockReadGuard<'a, Box<Backend<H>>>,
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         read: &'a mut Read,
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |         backend: RwLockReadGuard<'a, Box<Backend<H>>>,
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     write: &'a mut Write,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub backend: &'a mut Backend<H>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |         write: &'a mut Write,
[INFO] [stdout]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |         backend: &'a mut Backend<H>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/content.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 |         try!(self.hasher.write(buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     backend: Arc<RwLock<Box<Backend<H>>>>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_with_backend(backend: Box<Backend<H>>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/store.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(t.to_content(&mut sink));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/store.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(self.backend.read().request(hash, &|read| {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/hashmap.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let hash = try!(source(&mut vec, self));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/hashmap.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let vec = try!(self.get(hash)
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     try!(fs::create_dir_all(pathbuf.to_str().unwrap()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut file = try!(File::create(&tmp_path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let hash = try!(source(&mut file, self));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let pathbuf = try!(pathbuf_from_hash::<H>(self, &hash));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(fs::rename(tmp_path, pathbuf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let pathbuf = try!(pathbuf_from_hash::<H>(self, &hash));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut file = try!(File::open(pathbuf));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 try!(sink.write(&[1]));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(source.read_exact(&mut byte));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             1 => Ok(Some(try!(T::from_content(source)))),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Ok(Box::new(try!(T::from_content(source))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:68:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(source.read_exact(b));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/default.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         unsafe { bytes = 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/default.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         unsafe { bytes = mem::uninitialized() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_common.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[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/test_common.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_common.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_common.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_common.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_common.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |         (&pb as &Backend<H>).request(hash, read)
[INFO] [stdout]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/default.rs:56:3
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(source.read_exact(&mut bytes[..]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     read: &'a mut Read,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub backend: RwLockReadGuard<'a, Box<Backend<H>>>,
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         read: &'a mut Read,
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |         backend: RwLockReadGuard<'a, Box<Backend<H>>>,
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     write: &'a mut Write,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub backend: &'a mut Backend<H>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |         write: &'a mut Write,
[INFO] [stdout]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/content.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |         backend: &'a mut Backend<H>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/content.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 |         try!(self.hasher.write(buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     backend: Arc<RwLock<Box<Backend<H>>>>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_with_backend(backend: Box<Backend<H>>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/store.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(t.to_content(&mut sink));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/store.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(self.backend.read().request(hash, &|read| {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/hashmap.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let hash = try!(source(&mut vec, self));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/hashmap.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let vec = try!(self.get(hash)
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/hashmap.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     try!(fs::create_dir_all(pathbuf.to_str().unwrap()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut file = try!(File::create(&tmp_path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let hash = try!(source(&mut file, self));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let pathbuf = try!(pathbuf_from_hash::<H>(self, &hash));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(fs::rename(tmp_path, pathbuf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let pathbuf = try!(pathbuf_from_hash::<H>(self, &hash));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/backend/pathbuf.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut file = try!(File::open(pathbuf));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/pathbuf.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         source: &Fn(&mut Write, &mut Backend<H>) -> Result<H::Digest>,
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn Backend<H>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Read) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/backend/mod.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         read: &Fn(&mut Read) -> Result<()>,
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 try!(sink.write(&[1]));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(source.read_exact(&mut byte));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             1 => Ok(Some(try!(T::from_content(source)))),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Ok(Box::new(try!(T::from_content(source))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/std_impls.rs:68:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(source.read_exact(b));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/default.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         unsafe { bytes = 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/default.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         unsafe { bytes = mem::uninitialized() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "67e2b70fd72a81bf477856a246f91b896280c19378985123d1d9653039d2f4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e2b70fd72a81bf477856a246f91b896280c19378985123d1d9653039d2f4ed", kill_on_drop: false }`
[INFO] [stdout] 67e2b70fd72a81bf477856a246f91b896280c19378985123d1d9653039d2f4ed