[INFO] fetching crate netio 0.6.1...
[INFO] fixing netio-0.6.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate netio 0.6.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate netio 0.6.1
[INFO] finished tweaking crates.io crate netio 0.6.1
[INFO] tweaked toml for crates.io crate netio 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netio 0.6.1 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 buf_redux v0.6.3 (available: v0.8.4)
[INFO] [stderr]       Adding memchr v1.0.2 (available: v2.8.2)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[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: `netio` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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] 9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5
[INFO] running `Command { std: "docker" "start" "9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5", 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" "9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5", 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" "9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `netio` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling netio v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating build.rs from 2015 edition to 2018
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]    Migrating src/lib.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/adapt/mod.rs (11 fixes)
[INFO] [stderr]        Fixed src/iter.rs (3 fixes)
[INFO] [stderr]        Fixed src/utf8/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/mock.rs (2 fixes)
[INFO] [stderr]        Fixed src/adapt/compat.rs (1 fix)
[INFO] [stderr]        Fixed src/stream.rs (1 fix)
[INFO] [stderr]        Fixed src/utf8/read.rs (14 fixes)
[INFO] [stderr]        Fixed src/impls/mod.rs (2 fixes)
[INFO] [stderr]        Fixed src/impls/std_read.rs (1 fix)
[INFO] [stderr]        Fixed src/impls/std_bufread.rs (1 fix)
[INFO] [stderr]        Fixed src/lib.rs (9 fixes)
[INFO] [stderr]        Fixed src/read.rs (1 fix)
[INFO] [stderr]        Fixed src/bufread.rs (3 fixes)
[INFO] [stderr]        Fixed src/write.rs (1 fix)
[INFO] [stderr]        Fixed src/bufreadgrow.rs (7 fixes)
[INFO] [stderr]        Fixed src/copy.rs (6 fixes)
[INFO] [stderr]        Fixed src/impls/std_write.rs (1 fix)
[INFO] [stderr]        Fixed src/bufreadgrow.rs (1 fix)
[INFO] [stderr]    Migrating benches/benches.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/utf8/read.rs (2 fixes)
[INFO] [stderr]        Fixed src/iter.rs (1 fix)
[INFO] [stderr]        Fixed src/bufread.rs (1 fix)
[INFO] [stderr]        Fixed src/impls/mod.rs (2 fixes)
[INFO] [stderr]        Fixed src/adapt/compat.rs (5 fixes)
[INFO] [stderr]        Fixed src/adapt/mod.rs (5 fixes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] [stderr] crater-edition-check: netio v0.6.1 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]    Compiling netio v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls/mod.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |         match r#try!(self.read_into_buf()) {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 r#try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             r#try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if r#try!(self.inner.fill_buf()).is_empty() {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let n = r#try!(self.inner.read(&mut buf[..max]));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:189:45
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if self.limit == 0 || self.limit == r#try!(self.fill_buf()).len() as u64 {
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:193:19
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let buf = r#try!(self.inner.grow_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:206:19
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let amt = r#try!(self.inner.write(&buf[..amt]));
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |             match r#try!(self.first.read(buf)) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |             match r#try!(self.first.fill_buf()) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/iter.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |             match r#try!(self.vec[0].read(buf)) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:107:16
[INFO] [stdout]     |
[INFO] [stdout] 107 |             if r#try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]   --> src/utf8/read.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(use_utf8_error_len)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]   --> src/utf8/read.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(not(use_utf8_error_len))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |             (buf.len(), r#try!(utf8_valid_up_to(buf)))
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 valid_up_to = r#try!(utf8_valid_up_to(r#try!(self.inner.grow_buf())));
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:116:55
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 valid_up_to = r#try!(utf8_valid_up_to(r#try!(self.inner.grow_buf())));
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let start = r#try!(utf8_valid_up_to(r#try!(self.inner.fill_buf())));
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:167:45
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let start = r#try!(utf8_valid_up_to(r#try!(self.inner.fill_buf())));
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let buf = r#try!(self.inner.grow_buf());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:171:28
[INFO] [stdout]     |
[INFO] [stdout] 171 |             valid_up_to += r#try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:173:19
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:242:33
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let available = r#try!(self.fill_buf_str());
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:319:21
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     r#try!(self.grow_buf_str())
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     r#try!(self.fill_buf_str())
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 r#try!(buf.write(available))
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:189:33
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 let available = r#try!(BufRead::fill_buf(self));
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/bufreadgrow.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let len = r#try!(self.fill_buf()).len();
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/bufreadgrow.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 while r#try!(self.grow_buf()).len() < size {}
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:123:45
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:123:78
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:168:45
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:168:78
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             r#try!(writer.write(buf))
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let buf = r#try!(reader.fill_buf());
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let buf = r#try!(reader.fill_buf());
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let written = r#try!(writer.write(&buf[..i + 1]));
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 None => (false, r#try!(writer.write(buf))),
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/mock.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let amt = r#try!(self.inner.read(buf));
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> src/bufread.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[inline]` can only be applied to functions with a body
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/impls/mod.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |         match r#try!(self.read_into_buf()) {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 r#try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             r#try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if r#try!(self.inner.fill_buf()).is_empty() {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let n = r#try!(self.inner.read(&mut buf[..max]));
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:189:45
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if self.limit == 0 || self.limit == r#try!(self.fill_buf()).len() as u64 {
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:193:19
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let buf = r#try!(self.inner.grow_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:206:19
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let amt = r#try!(self.inner.write(&buf[..amt]));
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |             match r#try!(self.first.read(buf)) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/adapt/mod.rs:261:19
[INFO] [stdout]     |
[INFO] [stdout] 261 |             match r#try!(self.first.fill_buf()) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/iter.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |             match r#try!(self.vec[0].read(buf)) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:107:16
[INFO] [stdout]     |
[INFO] [stdout] 107 |             if r#try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]   --> src/utf8/read.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(use_utf8_error_len)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]   --> src/utf8/read.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(not(use_utf8_error_len))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |             (buf.len(), r#try!(utf8_valid_up_to(buf)))
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 valid_up_to = r#try!(utf8_valid_up_to(r#try!(self.inner.grow_buf())));
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:116:55
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 valid_up_to = r#try!(utf8_valid_up_to(r#try!(self.inner.grow_buf())));
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let start = r#try!(utf8_valid_up_to(r#try!(self.inner.fill_buf())));
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:167:45
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let start = r#try!(utf8_valid_up_to(r#try!(self.inner.fill_buf())));
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let buf = r#try!(self.inner.grow_buf());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:171:28
[INFO] [stdout]     |
[INFO] [stdout] 171 |             valid_up_to += r#try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:173:19
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let buf = r#try!(self.inner.fill_buf());
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:242:33
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let available = r#try!(self.fill_buf_str());
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:319:21
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     r#try!(self.grow_buf_str())
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/utf8/read.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     r#try!(self.fill_buf_str())
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `never`
[INFO] [stdout]    --> src/utf8/read.rs:543:11
[INFO] [stdout]     |
[INFO] [stdout] 543 |     #[cfg(never)]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(never)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `never`
[INFO] [stdout]    --> src/utf8/read.rs:566:11
[INFO] [stdout]     |
[INFO] [stdout] 566 |     #[cfg(never)]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(never)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `never`
[INFO] [stdout]    --> src/utf8/read.rs:578:11
[INFO] [stdout]     |
[INFO] [stdout] 578 |     #[cfg(never)]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(never)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:590:11
[INFO] [stdout]     |
[INFO] [stdout] 590 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:602:11
[INFO] [stdout]     |
[INFO] [stdout] 602 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:614:11
[INFO] [stdout]     |
[INFO] [stdout] 614 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:626:11
[INFO] [stdout]     |
[INFO] [stdout] 626 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:638:11
[INFO] [stdout]     |
[INFO] [stdout] 638 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:660:11
[INFO] [stdout]     |
[INFO] [stdout] 660 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:672:11
[INFO] [stdout]     |
[INFO] [stdout] 672 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:684:11
[INFO] [stdout]     |
[INFO] [stdout] 684 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:706:11
[INFO] [stdout]     |
[INFO] [stdout] 706 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:718:11
[INFO] [stdout]     |
[INFO] [stdout] 718 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:730:11
[INFO] [stdout]     |
[INFO] [stdout] 730 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:752:11
[INFO] [stdout]     |
[INFO] [stdout] 752 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:764:11
[INFO] [stdout]     |
[INFO] [stdout] 764 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `use_utf8_error_len`
[INFO] [stdout]    --> src/utf8/read.rs:776:11
[INFO] [stdout]     |
[INFO] [stdout] 776 |     #[cfg(use_utf8_error_len)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(use_utf8_error_len)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_utf8_error_len)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 r#try!(buf.write(available))
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufread.rs:189:33
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 let available = r#try!(BufRead::fill_buf(self));
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/bufreadgrow.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let len = r#try!(self.fill_buf()).len();
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/bufreadgrow.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 while r#try!(self.grow_buf()).len() < size {}
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:123:45
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:123:78
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:168:45
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/bufreadgrow.rs:168:78
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let available = if extend { r#try!(self.grow_buf()) } else { r#try!(self.fill_buf()) };
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             r#try!(writer.write(buf))
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let buf = r#try!(reader.fill_buf());
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let buf = r#try!(reader.fill_buf());
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let written = r#try!(writer.write(&buf[..i + 1]));
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/copy.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 None => (false, r#try!(writer.write(buf))),
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> src/mock.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let amt = r#try!(self.inner.read(buf));
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> src/bufread.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[inline]` can only be applied to functions with a body
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0255]: the name `netio` is defined multiple times
[INFO] [stdout]   --> benches/benches.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         use netio;
[INFO] [stdout]    |             ----- previous import of the value `netio` here
[INFO] [stdout] ...
[INFO] [stdout] 24 |         fn netio(b: &mut test::Bencher) {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `netio` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `netio` must be defined only once in the value namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]    |
[INFO] [stdout] 10 |         use netio as other_netio;
[INFO] [stdout]    |                   ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0255]: the name `netio` is defined multiple times
[INFO] [stdout]   --> benches/benches.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         use netio;
[INFO] [stdout]    |             ----- previous import of the value `netio` here
[INFO] [stdout] ...
[INFO] [stdout] 63 |         fn netio(b: &mut test::Bencher) {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `netio` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `netio` must be defined only once in the value namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]    |
[INFO] [stdout] 38 |         use netio as other_netio;
[INFO] [stdout]    |                   ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0255]: the name `netio` is defined multiple times
[INFO] [stdout]    --> benches/benches.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         use netio;
[INFO] [stdout]     |             ----- previous import of the value `netio` here
[INFO] [stdout] ...
[INFO] [stdout] 365 |         fn netio(b: &mut test::Bencher) {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `netio` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `netio` must be defined only once in the value namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]     |
[INFO] [stdout] 339 |         use netio as other_netio;
[INFO] [stdout]     |                   ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0255`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netio` (bench "benches") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5", kill_on_drop: false }`
[INFO] [stdout] 9c764bfe7bb7117855180e31e4286c14ed917d6c73aeb2dd312073ff838e6ad5
