[INFO] crate iobuf 5.8.1 is already in cache
[INFO] checking iobuf-5.8.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate iobuf 5.8.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iobuf 5.8.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iobuf 5.8.1
[INFO] finished tweaking crates.io crate iobuf 5.8.1
[INFO] tweaked toml for crates.io crate iobuf 5.8.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: profile `doc` is deprecated and has no effect
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dfb41d08f0a8dd66d743d784f56106f3b9575c6d318b0ccd5b530c5768a1d6a
[INFO] running `"docker" "start" "-a" "7dfb41d08f0a8dd66d743d784f56106f3b9575c6d318b0ccd5b530c5768a1d6a"`
[INFO] [stderr] warning: profile `doc` is deprecated and has no effect
[INFO] [stderr]     Checking iobuf v5.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> src/raw.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::heap::{Heap, Alloc, Layout};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]  --> src/raw.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::nonzero::NonZero;
[INFO] [stderr]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]  --> src/iobuf.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::nonzero::NonZero;
[INFO] [stderr]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]  --> src/impls.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::nonzero::NonZero;
[INFO] [stderr]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     try!(self.inv_check(self.lo_min() <= self.hi_max(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     try!(self.inv_check(self.lo() <= self.hi(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     try!(self.inv_check(self.lo_min() <= self.lo(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     try!(self.inv_check(self.hi() <= self.hi_max(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:705:7
[INFO] [stderr]     |
[INFO] [stderr] 705 |       try!(self.check_range_u32(pos, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:713:7
[INFO] [stderr]     |
[INFO] [stderr] 713 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:721:7
[INFO] [stderr]     |
[INFO] [stderr] 721 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:749:7
[INFO] [stderr]     |
[INFO] [stderr] 749 |       try!(self.check_range_u32(pos, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:757:7
[INFO] [stderr]     |
[INFO] [stderr] 757 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:765:7
[INFO] [stderr]     |
[INFO] [stderr] 765 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:798:5
[INFO] [stderr]     |
[INFO] [stderr] 798 |     try!(err_if(new_hi_max < new_lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:799:5
[INFO] [stderr]     |
[INFO] [stderr] 799 |     try!(err_if(new_hi     < new_lo));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:800:5
[INFO] [stderr]     |
[INFO] [stderr] 800 |     try!(err_if(new_lo_min < lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:801:5
[INFO] [stderr]     |
[INFO] [stderr] 801 |     try!(err_if(new_hi_max > self.hi_max));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:802:5
[INFO] [stderr]     |
[INFO] [stderr] 802 |     try!(err_if(new_lo     < self.lo));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:803:5
[INFO] [stderr]     |
[INFO] [stderr] 803 |     try!(err_if(new_hi     > self.hi));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:820:5
[INFO] [stderr]     |
[INFO] [stderr] 820 |     try!(err_if(new_hi_max < new_lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:821:5
[INFO] [stderr]     |
[INFO] [stderr] 821 |     try!(err_if(new_hi     < new_lo));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:822:5
[INFO] [stderr]     |
[INFO] [stderr] 822 |     try!(err_if(new_lo_min < lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:823:5
[INFO] [stderr]     |
[INFO] [stderr] 823 |     try!(err_if(new_hi_max > self.hi_max));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:859:7
[INFO] [stderr]     |
[INFO] [stderr] 859 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:879:7
[INFO] [stderr]     |
[INFO] [stderr] 879 |       try!(err_if(new_hi > hi_max));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:913:7
[INFO] [stderr]     |
[INFO] [stderr] 913 |       try!(err_if(!self.is_extended_by(other)));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:921:7
[INFO] [stderr]     |
[INFO] [stderr] 921 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:936:7
[INFO] [stderr]     |
[INFO] [stderr] 936 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:953:7
[INFO] [stderr]     |
[INFO] [stderr] 953 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:970:7
[INFO] [stderr]     |
[INFO] [stderr] 970 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:987:7
[INFO] [stderr]     |
[INFO] [stderr] 987 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1059:7
[INFO] [stderr]      |
[INFO] [stderr] 1059 |       try!(self.check_range_usize(pos, dst.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1067:7
[INFO] [stderr]      |
[INFO] [stderr] 1067 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1075:7
[INFO] [stderr]      |
[INFO] [stderr] 1075 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1083:7
[INFO] [stderr]      |
[INFO] [stderr] 1083 |       try!(self.check_range_usize(pos, src.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1091:7
[INFO] [stderr]      |
[INFO] [stderr] 1091 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1099:7
[INFO] [stderr]      |
[INFO] [stderr] 1099 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1107:7
[INFO] [stderr]      |
[INFO] [stderr] 1107 |       try!(self.check_range_usize(0, src.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1115:7
[INFO] [stderr]      |
[INFO] [stderr] 1115 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1123:7
[INFO] [stderr]      |
[INFO] [stderr] 1123 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1131:7
[INFO] [stderr]      |
[INFO] [stderr] 1131 |       try!(self.check_range_usize(0, dst.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1139:7
[INFO] [stderr]      |
[INFO] [stderr] 1139 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1147:7
[INFO] [stderr]      |
[INFO] [stderr] 1147 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1296:7
[INFO] [stderr]      |
[INFO] [stderr] 1296 |       try!(write!(f, "{:02x} ", x));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1306:7
[INFO] [stderr]      |
[INFO] [stderr] 1306 |       try!(write!(f, "{}", c));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1315:37
[INFO] [stderr]      |
[INFO] [stderr] 1315 |     if      self.len() <= 1 <<  8 { try!(write!(f, "0x{:02x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1316:37
[INFO] [stderr]      |
[INFO] [stderr] 1316 |     else if self.len() <= 1 << 16 { try!(write!(f, "0x{:04x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1317:37
[INFO] [stderr]      |
[INFO] [stderr] 1317 |     else if self.len() <= 1 << 24 { try!(write!(f, "0x{:06x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1318:37
[INFO] [stderr]      |
[INFO] [stderr] 1318 |     else                          { try!(write!(f, "0x{:08x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1320:5
[INFO] [stderr]      |
[INFO] [stderr] 1320 |     try!(write!(f, ":  "));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1331:5
[INFO] [stderr]      |
[INFO] [stderr] 1331 |     try!(self.show_hex(f, left_slice));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1332:5
[INFO] [stderr]      |
[INFO] [stderr] 1332 |     try!(write!(f, "  "));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1333:5
[INFO] [stderr]      |
[INFO] [stderr] 1333 |     try!(self.show_ascii(f, left_slice));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1334:5
[INFO] [stderr]      |
[INFO] [stderr] 1334 |     try!(write!(f, "  "));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1338:9
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         try!(self.show_ascii(f, right_slice));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1339:9
[INFO] [stderr]      |
[INFO] [stderr] 1339 |         try!(write!(f, "  "));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1340:9
[INFO] [stderr]      |
[INFO] [stderr] 1340 |         try!(self.show_hex(f, right_slice));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1349:5
[INFO] [stderr]      |
[INFO] [stderr] 1349 |     try!(write!(f, "{} IObuf, limits=[{},{}), bounds=[{},{})\n",
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1357:7
[INFO] [stderr]      |
[INFO] [stderr] 1357 |       try!(self.show_line(f, i, c));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufspan.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(write!(f, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufspan.rs:347:7
[INFO] [stderr]     |
[INFO] [stderr] 347 |       try!(b.fmt(f));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/appendbuf.rs:131:7
[INFO] [stderr]     |
[INFO] [stderr] 131 |       try!(ret.expand_limits_and_window(lim, lim));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/appendbuf.rs:185:7
[INFO] [stderr]     |
[INFO] [stderr] 185 |       try!(ret.expand_limits_and_window(lim, lim));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/appendbuf.rs:238:7
[INFO] [stderr]     |
[INFO] [stderr] 238 |       try!(ret.expand_limits_and_window(lim, lim));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raw.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |           let allocator: &Arc<Box<Allocator>> = mem::transmute(&raw_allocator);
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:168:29
[INFO] [stderr]     |
[INFO] [stderr] 168 |   allocator: Option<Arc<Box<Allocator>>>,
[INFO] [stderr]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:296:60
[INFO] [stderr]     |
[INFO] [stderr] 296 |   pub fn new_with_allocator(len: usize, allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:541:67
[INFO] [stderr]     |
[INFO] [stderr] 541 |   pub fn from_str_copy_with_allocator(s: &str, allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:575:70
[INFO] [stderr]     |
[INFO] [stderr] 575 |   pub fn from_slice_copy_with_allocator(s: &[u8], allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:598:62
[INFO] [stderr]     |
[INFO] [stderr] 598 |   pub fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                              ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iobuf.rs:50:58
[INFO] [stderr]    |
[INFO] [stderr] 50 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static>;
[INFO] [stderr]    |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:302:67
[INFO] [stderr]     |
[INFO] [stderr] 302 |   pub fn from_str_copy_with_allocator(s: &str, allocator: Arc<Box<Allocator>>) -> ROIobuf<'static> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:329:70
[INFO] [stderr]     |
[INFO] [stderr] 329 |   pub fn from_slice_copy_with_allocator(s: &[u8], allocator: Arc<Box<Allocator>>) -> ROIobuf<'static> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:395:60
[INFO] [stderr]     |
[INFO] [stderr] 395 |   pub fn new_with_allocator(len: usize, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:422:67
[INFO] [stderr]     |
[INFO] [stderr] 422 |   pub fn from_str_copy_with_allocator(s: &str, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:473:70
[INFO] [stderr]     |
[INFO] [stderr] 473 |   pub fn from_slice_copy_with_allocator(s: &[u8], allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:968:58
[INFO] [stderr]     |
[INFO] [stderr] 968 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/impls.rs:1181:58
[INFO] [stderr]      |
[INFO] [stderr] 1181 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]      |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/impls.rs:1390:58
[INFO] [stderr]      |
[INFO] [stderr] 1390 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]      |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/appendbuf.rs:70:60
[INFO] [stderr]    |
[INFO] [stderr] 70 |   pub fn new_with_allocator(len: usize, allocator: Arc<Box<Allocator>>) -> AppendBuf<'static> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/raw.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]    --> src/raw.rs:354:37
[INFO] [stderr]     |
[INFO] [stderr] 354 |       buf:    unsafe { NonZero::new(Unique::empty().as_ptr()) },
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/raw.rs:1168:22
[INFO] [stderr]      |
[INFO] [stderr] 1168 |     let mut dst: T = mem::uninitialized();
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> src/raw.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::heap::{Heap, Alloc, Layout};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]  --> src/raw.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::nonzero::NonZero;
[INFO] [stderr]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]  --> src/iobuf.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::nonzero::NonZero;
[INFO] [stderr]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]  --> src/impls.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::nonzero::NonZero;
[INFO] [stderr]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     try!(self.inv_check(self.lo_min() <= self.hi_max(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:40:9
[INFO] [stderr]     |
[INFO] [stderr] 40  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     try!(self.inv_check(self.lo() <= self.hi(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     try!(self.inv_check(self.lo_min() <= self.lo(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     try!(self.inv_check(self.hi() <= self.hi_max(),
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:705:7
[INFO] [stderr]     |
[INFO] [stderr] 705 |       try!(self.check_range_u32(pos, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:713:7
[INFO] [stderr]     |
[INFO] [stderr] 713 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:721:7
[INFO] [stderr]     |
[INFO] [stderr] 721 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:749:7
[INFO] [stderr]     |
[INFO] [stderr] 749 |       try!(self.check_range_u32(pos, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:757:7
[INFO] [stderr]     |
[INFO] [stderr] 757 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:765:7
[INFO] [stderr]     |
[INFO] [stderr] 765 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:798:5
[INFO] [stderr]     |
[INFO] [stderr] 798 |     try!(err_if(new_hi_max < new_lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:799:5
[INFO] [stderr]     |
[INFO] [stderr] 799 |     try!(err_if(new_hi     < new_lo));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:800:5
[INFO] [stderr]     |
[INFO] [stderr] 800 |     try!(err_if(new_lo_min < lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:801:5
[INFO] [stderr]     |
[INFO] [stderr] 801 |     try!(err_if(new_hi_max > self.hi_max));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:802:5
[INFO] [stderr]     |
[INFO] [stderr] 802 |     try!(err_if(new_lo     < self.lo));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:803:5
[INFO] [stderr]     |
[INFO] [stderr] 803 |     try!(err_if(new_hi     > self.hi));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:820:5
[INFO] [stderr]     |
[INFO] [stderr] 820 |     try!(err_if(new_hi_max < new_lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:821:5
[INFO] [stderr]     |
[INFO] [stderr] 821 |     try!(err_if(new_hi     < new_lo));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:822:5
[INFO] [stderr]     |
[INFO] [stderr] 822 |     try!(err_if(new_lo_min < lo_min));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:823:5
[INFO] [stderr]     |
[INFO] [stderr] 823 |     try!(err_if(new_hi_max > self.hi_max));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:859:7
[INFO] [stderr]     |
[INFO] [stderr] 859 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:879:7
[INFO] [stderr]     |
[INFO] [stderr] 879 |       try!(err_if(new_hi > hi_max));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:913:7
[INFO] [stderr]     |
[INFO] [stderr] 913 |       try!(err_if(!self.is_extended_by(other)));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:921:7
[INFO] [stderr]     |
[INFO] [stderr] 921 |       try!(self.check_range_u32(0, len));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:936:7
[INFO] [stderr]     |
[INFO] [stderr] 936 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:953:7
[INFO] [stderr]     |
[INFO] [stderr] 953 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:970:7
[INFO] [stderr]     |
[INFO] [stderr] 970 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:987:7
[INFO] [stderr]     |
[INFO] [stderr] 987 |       try!(self.check_range_u32(pos, 0));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1059:7
[INFO] [stderr]      |
[INFO] [stderr] 1059 |       try!(self.check_range_usize(pos, dst.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1067:7
[INFO] [stderr]      |
[INFO] [stderr] 1067 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1075:7
[INFO] [stderr]      |
[INFO] [stderr] 1075 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1083:7
[INFO] [stderr]      |
[INFO] [stderr] 1083 |       try!(self.check_range_usize(pos, src.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1091:7
[INFO] [stderr]      |
[INFO] [stderr] 1091 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1099:7
[INFO] [stderr]      |
[INFO] [stderr] 1099 |       try!(self.check_range_u32(pos, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1107:7
[INFO] [stderr]      |
[INFO] [stderr] 1107 |       try!(self.check_range_usize(0, src.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1115:7
[INFO] [stderr]      |
[INFO] [stderr] 1115 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1123:7
[INFO] [stderr]      |
[INFO] [stderr] 1123 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1131:7
[INFO] [stderr]      |
[INFO] [stderr] 1131 |       try!(self.check_range_usize(0, dst.len()));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1139:7
[INFO] [stderr]      |
[INFO] [stderr] 1139 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1147:7
[INFO] [stderr]      |
[INFO] [stderr] 1147 |       try!(self.check_range_u32(0, mem::size_of::<T>() as u32));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1296:7
[INFO] [stderr]      |
[INFO] [stderr] 1296 |       try!(write!(f, "{:02x} ", x));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1306:7
[INFO] [stderr]      |
[INFO] [stderr] 1306 |       try!(write!(f, "{}", c));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1315:37
[INFO] [stderr]      |
[INFO] [stderr] 1315 |     if      self.len() <= 1 <<  8 { try!(write!(f, "0x{:02x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1316:37
[INFO] [stderr]      |
[INFO] [stderr] 1316 |     else if self.len() <= 1 << 16 { try!(write!(f, "0x{:04x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1317:37
[INFO] [stderr]      |
[INFO] [stderr] 1317 |     else if self.len() <= 1 << 24 { try!(write!(f, "0x{:06x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1318:37
[INFO] [stderr]      |
[INFO] [stderr] 1318 |     else                          { try!(write!(f, "0x{:08x}",  line_number * 8)) }
[INFO] [stderr]      |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1320:5
[INFO] [stderr]      |
[INFO] [stderr] 1320 |     try!(write!(f, ":  "));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1331:5
[INFO] [stderr]      |
[INFO] [stderr] 1331 |     try!(self.show_hex(f, left_slice));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1332:5
[INFO] [stderr]      |
[INFO] [stderr] 1332 |     try!(write!(f, "  "));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1333:5
[INFO] [stderr]      |
[INFO] [stderr] 1333 |     try!(self.show_ascii(f, left_slice));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1334:5
[INFO] [stderr]      |
[INFO] [stderr] 1334 |     try!(write!(f, "  "));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1338:9
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         try!(self.show_ascii(f, right_slice));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1339:9
[INFO] [stderr]      |
[INFO] [stderr] 1339 |         try!(write!(f, "  "));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1340:9
[INFO] [stderr]      |
[INFO] [stderr] 1340 |         try!(self.show_hex(f, right_slice));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1349:5
[INFO] [stderr]      |
[INFO] [stderr] 1349 |     try!(write!(f, "{} IObuf, limits=[{},{}), bounds=[{},{})\n",
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/raw.rs:1357:7
[INFO] [stderr]      |
[INFO] [stderr] 1357 |       try!(self.show_line(f, i, c));
[INFO] [stderr]      |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufspan.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(write!(f, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufspan.rs:347:7
[INFO] [stderr]     |
[INFO] [stderr] 347 |       try!(b.fmt(f));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/appendbuf.rs:131:7
[INFO] [stderr]     |
[INFO] [stderr] 131 |       try!(ret.expand_limits_and_window(lim, lim));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/appendbuf.rs:185:7
[INFO] [stderr]     |
[INFO] [stderr] 185 |       try!(ret.expand_limits_and_window(lim, lim));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/appendbuf.rs:238:7
[INFO] [stderr]     |
[INFO] [stderr] 238 |       try!(ret.expand_limits_and_window(lim, lim));
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raw.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |           let allocator: &Arc<Box<Allocator>> = mem::transmute(&raw_allocator);
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:168:29
[INFO] [stderr]     |
[INFO] [stderr] 168 |   allocator: Option<Arc<Box<Allocator>>>,
[INFO] [stderr]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:296:60
[INFO] [stderr]     |
[INFO] [stderr] 296 |   pub fn new_with_allocator(len: usize, allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:541:67
[INFO] [stderr]     |
[INFO] [stderr] 541 |   pub fn from_str_copy_with_allocator(s: &str, allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:575:70
[INFO] [stderr]     |
[INFO] [stderr] 575 |   pub fn from_slice_copy_with_allocator(s: &[u8], allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:598:62
[INFO] [stderr]     |
[INFO] [stderr] 598 |   pub fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RawIobuf<'static> {
[INFO] [stderr]     |                                                              ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iobuf.rs:50:58
[INFO] [stderr]    |
[INFO] [stderr] 50 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static>;
[INFO] [stderr]    |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:302:67
[INFO] [stderr]     |
[INFO] [stderr] 302 |   pub fn from_str_copy_with_allocator(s: &str, allocator: Arc<Box<Allocator>>) -> ROIobuf<'static> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:329:70
[INFO] [stderr]     |
[INFO] [stderr] 329 |   pub fn from_slice_copy_with_allocator(s: &[u8], allocator: Arc<Box<Allocator>>) -> ROIobuf<'static> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:395:60
[INFO] [stderr]     |
[INFO] [stderr] 395 |   pub fn new_with_allocator(len: usize, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:422:67
[INFO] [stderr]     |
[INFO] [stderr] 422 |   pub fn from_str_copy_with_allocator(s: &str, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:473:70
[INFO] [stderr]     |
[INFO] [stderr] 473 |   pub fn from_slice_copy_with_allocator(s: &[u8], allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls.rs:968:58
[INFO] [stderr]     |
[INFO] [stderr] 968 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]     |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/impls.rs:1181:58
[INFO] [stderr]      |
[INFO] [stderr] 1181 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]      |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/impls.rs:1390:58
[INFO] [stderr]      |
[INFO] [stderr] 1390 |   fn deep_clone_with_allocator(&self, allocator: Arc<Box<Allocator>>) -> RWIobuf<'static> {
[INFO] [stderr]      |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/appendbuf.rs:70:60
[INFO] [stderr]    |
[INFO] [stderr] 70 |   pub fn new_with_allocator(len: usize, allocator: Arc<Box<Allocator>>) -> AppendBuf<'static> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: use `dyn`: `dyn Allocator`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/raw.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]    --> src/raw.rs:354:37
[INFO] [stderr]     |
[INFO] [stderr] 354 |       buf:    unsafe { NonZero::new(Unique::empty().as_ptr()) },
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/raw.rs:1168:22
[INFO] [stderr]      |
[INFO] [stderr] 1168 |     let mut dst: T = mem::uninitialized();
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> src/raw.rs:292:29
[INFO] [stderr]     |
[INFO] [stderr] 292 |     RawIobuf::new_impl(len, None)
[INFO] [stderr]     |                             ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/raw.rs:354:37
[INFO] [stderr]     |
[INFO] [stderr] 354 |       buf:    unsafe { NonZero::new(Unique::empty().as_ptr()) },
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/raw.rs:354:53
[INFO] [stderr]     |
[INFO] [stderr] 354 |       buf:    unsafe { NonZero::new(Unique::empty().as_ptr()) },
[INFO] [stderr]     |                                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> src/raw.rs:292:29
[INFO] [stderr]     |
[INFO] [stderr] 292 |     RawIobuf::new_impl(len, None)
[INFO] [stderr]     |                             ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/raw.rs:354:37
[INFO] [stderr]     |
[INFO] [stderr] 354 |       buf:    unsafe { NonZero::new(Unique::empty().as_ptr()) },
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/raw.rs:354:53
[INFO] [stderr]     |
[INFO] [stderr] 354 |       buf:    unsafe { NonZero::new(Unique::empty().as_ptr()) },
[INFO] [stderr]     |                                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 87 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0282, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `iobuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 87 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0282, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `iobuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7dfb41d08f0a8dd66d743d784f56106f3b9575c6d318b0ccd5b530c5768a1d6a"`
[INFO] running `"docker" "rm" "-f" "7dfb41d08f0a8dd66d743d784f56106f3b9575c6d318b0ccd5b530c5768a1d6a"`
[INFO] [stdout] 7dfb41d08f0a8dd66d743d784f56106f3b9575c6d318b0ccd5b530c5768a1d6a