[INFO] fetching crate brotli2 0.3.2...
[INFO] building brotli2-0.3.2 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate brotli2 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate brotli2 0.3.2 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brotli2 0.3.2
[INFO] finished tweaking crates.io crate brotli2 0.3.2
[INFO] tweaked toml for crates.io crate brotli2 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 536db01da14e52cae321e054759189e0b1d72c5aebcb70fce57a8e18b50505b9
[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" "536db01da14e52cae321e054759189e0b1d72c5aebcb70fce57a8e18b50505b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536db01da14e52cae321e054759189e0b1d72c5aebcb70fce57a8e18b50505b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536db01da14e52cae321e054759189e0b1d72c5aebcb70fce57a8e18b50505b9", kill_on_drop: false }`
[INFO] [stdout] 536db01da14e52cae321e054759189e0b1d72c5aebcb70fce57a8e18b50505b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e84ba04d7fce1841a5ba2143363828994c1f06b11c31180a1a8fcd1b046de7dc
[INFO] running `Command { std: "docker" "start" "-a" "e84ba04d7fce1841a5ba2143363828994c1f06b11c31180a1a8fcd1b046de7dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling brotli2 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let input = &mut try!(self.obj.fill_buf());
[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/bufread.rs:200:33
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 let mut input = try!(self.obj.fill_buf());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let amt = try!(self.obj.as_mut().unwrap().write(&self.buf[self.cur..]));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 try!(obj.write_all(data))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     try!(obj.flush());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(self.do_flush_or_finish(true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 let amt = try!(self.obj.as_mut().unwrap().write(&self.buf[self.cur..]));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 try!(obj.write_all(data))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     try!(obj.flush());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.do_finish());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/raw.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         error::Error::description(self).fmt(f)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "e84ba04d7fce1841a5ba2143363828994c1f06b11c31180a1a8fcd1b046de7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84ba04d7fce1841a5ba2143363828994c1f06b11c31180a1a8fcd1b046de7dc", kill_on_drop: false }`
[INFO] [stdout] e84ba04d7fce1841a5ba2143363828994c1f06b11c31180a1a8fcd1b046de7dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69f416afcf31351424eb809589d0525a8b3e2258cd52717a7b3c5195d2431cd7
[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" "69f416afcf31351424eb809589d0525a8b3e2258cd52717a7b3c5195d2431cd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let input = &mut try!(self.obj.fill_buf());
[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/bufread.rs:200:33
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 let mut input = try!(self.obj.fill_buf());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let amt = try!(self.obj.as_mut().unwrap().write(&self.buf[self.cur..]));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 try!(obj.write_all(data))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     try!(obj.flush());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(self.do_flush_or_finish(true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 let amt = try!(self.obj.as_mut().unwrap().write(&self.buf[self.cur..]));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 try!(obj.write_all(data))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     try!(obj.flush());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.do_finish());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/raw.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         error::Error::description(self).fmt(f)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling brotli2 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let input = &mut try!(self.obj.fill_buf());
[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/bufread.rs:200:33
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 let mut input = try!(self.obj.fill_buf());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let amt = try!(self.obj.as_mut().unwrap().write(&self.buf[self.cur..]));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 try!(obj.write_all(data))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     try!(obj.flush());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(self.do_flush_or_finish(true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 let amt = try!(self.obj.as_mut().unwrap().write(&self.buf[self.cur..]));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 try!(obj.write_all(data))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     try!(obj.flush());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.do_finish());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.dump());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/raw.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         error::Error::description(self).fmt(f)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raw.rs:462:17
[INFO] [stdout]     |
[INFO] [stdout] 462 |             let mut input = &mut &b"hello!"[..];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raw.rs:472:17
[INFO] [stdout]     |
[INFO] [stdout] 472 |             let mut input = &mut &b"hel"[..];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raw.rs:475:17
[INFO] [stdout]     |
[INFO] [stdout] 475 |             let mut input = &mut &b"lo!"[..];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.75s
[INFO] running `Command { std: "docker" "inspect" "69f416afcf31351424eb809589d0525a8b3e2258cd52717a7b3c5195d2431cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f416afcf31351424eb809589d0525a8b3e2258cd52717a7b3c5195d2431cd7", kill_on_drop: false }`
[INFO] [stdout] 69f416afcf31351424eb809589d0525a8b3e2258cd52717a7b3c5195d2431cd7
