[INFO] cloning repository https://github.com/infinityb/reliable-rw-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/infinityb/reliable-rw-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinityb%2Freliable-rw-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinityb%2Freliable-rw-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 029234ff230f7b1dbf663b852b410cdabc134800
[INFO] building infinityb/reliable-rw-rust against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinityb%2Freliable-rw-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infinityb/reliable-rw-rust on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/infinityb/reliable-rw-rust
[INFO] finished tweaking git repo https://github.com/infinityb/reliable-rw-rust
[INFO] tweaked toml for git repo https://github.com/infinityb/reliable-rw-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/infinityb/reliable-rw-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8343c31f3c0c2f9fcc56b0d25a17096d8dce53c3ecb7a5c2b108313ae98ed05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8343c31f3c0c2f9fcc56b0d25a17096d8dce53c3ecb7a5c2b108313ae98ed05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8343c31f3c0c2f9fcc56b0d25a17096d8dce53c3ecb7a5c2b108313ae98ed05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8343c31f3c0c2f9fcc56b0d25a17096d8dce53c3ecb7a5c2b108313ae98ed05", kill_on_drop: false }`
[INFO] [stdout] f8343c31f3c0c2f9fcc56b0d25a17096d8dce53c3ecb7a5c2b108313ae98ed05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd85feb55354ee6f799d3f258c7332f0bd3b9026b47a9d21500ee3f4f5a5a17a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd85feb55354ee6f799d3f258c7332f0bd3b9026b47a9d21500ee3f4f5a5a17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling reliable-rw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/sha256.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout] 126 |         for i in range(0u, 64u) {
[INFO] [stdout]     |                        ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/sha256.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |         for i in range(0u, 64u) {
[INFO] [stdout]     |                            ^^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/sha256.rs:149:34
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 func(self.buffer[]);
[INFO] [stdout]     |                                  ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> src/sha256.rs:266:55
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut buf: Vec<u8> = range(0, length).map(|&: _| 0).collect();
[INFO] [stdout]     |                                                       ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/sha256.rs:369:29
[INFO] [stdout]     |
[INFO] [stdout] 369 |         for t in range_step(0u, 48, 8) {
[INFO] [stdout]     |                             ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/sha256.rs:389:29
[INFO] [stdout]     |
[INFO] [stdout] 389 |         for t in range_step(48u, 64, 8) {
[INFO] [stdout]     |                             ^^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> src/sha256.rs:462:39
[INFO] [stdout]     |
[INFO] [stdout] 462 |         self.buffer.input(input, |&mut: input: &[u8]| { self_state.process_block(input) });
[INFO] [stdout]     |                                       ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> src/sha256.rs:471:46
[INFO] [stdout]     |
[INFO] [stdout] 471 |         self.buffer.standard_padding(8, |&mut: input: &[u8]| { self_state.process_block(input) });
[INFO] [stdout]     |                                              ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::IoResult`, `std::io::IoError`
[INFO] [stdout]   --> src/reliable_rw.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{IoResult, IoError};
[INFO] [stdout]    |               ^^^^^^^^  ^^^^^^^ no `IoError` in `io`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               no `IoResult` in `io`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{Result, IoError};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{IoResult, Error};
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::range_step`
[INFO] [stdout]   --> src/sha256.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::iter::range_step;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no `range_step` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]   --> src/sha256.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::num::Int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::slice::bytes`
[INFO] [stdout]   --> src/sha256.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::slice::bytes::{MutableByteVector, copy_memory};
[INFO] [stdout]    |                 ^^^^^ could not find `bytes` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/sha256.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |         for _ in range(0, dst.len()) {
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::slice::range;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/sha256.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn zero_until(&mut self, idx: uint);
[INFO] [stdout]    |                                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/sha256.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn next<'s>(&'s mut self, len: uint) -> &'s mut [u8];
[INFO] [stdout]    |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/sha256.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn position(&self) -> uint;
[INFO] [stdout]    |                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn remaining(&self) -> uint;
[INFO] [stdout]     |                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:104:23
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn size(&self) -> uint;
[INFO] [stdout]     |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |     buffer_idx: uint,
[INFO] [stdout]     |                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/sha256.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |         for i in range(0u, 64u) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 18  | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:181:35
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn zero_until(&mut self, idx: uint) {
[INFO] [stdout]     |                                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:187:36
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn next<'s>(&'s mut self, len: uint) -> &'s mut [u8] {
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:198:27
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn position(&self) -> uint { self.buffer_idx }
[INFO] [stdout]     |                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:200:28
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn remaining(&self) -> uint { 64 - self.buffer_idx }
[INFO] [stdout]     |                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:202:23
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn size(&self) -> uint { 64 }
[INFO] [stdout]     |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:211:44
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn standard_padding<F>(&mut self, rem: uint, func: F) where F: FnMut(&[u8]);
[INFO] [stdout]     |                                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:215:44
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn standard_padding<F>(&mut self, rem: uint, mut func: F) where F: FnMut(&[u8]) {
[INFO] [stdout]     |                                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:251:30
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn output_bits(&self) -> uint;
[INFO] [stdout]     |                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/sha256.rs:518:30
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn output_bits(&self) -> uint { 256 }
[INFO] [stdout]     |                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/reliable_rw.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub static PIECE_SIZE: uint = 32 * 1024;  // 32kB
[INFO] [stdout]    |                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/reliable_rw.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub static MAX_PIECE_SIZE: uint = 256 * 1024;  // 256kB
[INFO] [stdout]    |                            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Writer` in this scope
[INFO] [stdout]   --> src/reliable_rw.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     output: &'a mut (Writer+'a),
[INFO] [stdout]    |                      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/reliable_rw.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new<'b>(output: &'b mut Writer) -> IoResult<ReliableEncap<'b>> {
[INFO] [stdout]    |                                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> src/reliable_rw.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn copy_out(input: &mut Reader, output: &mut Writer) -> ReliableWriteResult<()> {
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/reliable_rw.rs:94:50
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn copy_out(input: &mut Reader, output: &mut Writer) -> ReliableWriteResult<()> {
[INFO] [stdout]    |                                                  ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/reliable_rw.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let n = n as uint;
[INFO] [stdout]     |                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/reliable_rw.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut hasher: Box<Digest> = box Sha256::new();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/sha256.rs:81:42
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn input<F>(&mut self, input: &[u8], F) where F: FnMut(&[u8]);
[INFO] [stdout]    |                                          ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/sha256.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |             ((x & y) ^ ((!x) & z))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/sha256.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |             ((x & y) ^ (x & z) ^ (y & z))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reliable_rw.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     output: &'a mut (Writer+'a),
[INFO] [stdout]    |                      ^^^^^^^^^ help: use `dyn`: `dyn Writer+'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/reliable_rw.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         try!(rv.output.write(MAGIC_HEADER));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/reliable_rw.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         try!(self.output.write(self.digest.result_bytes().as_slice()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reliable_rw.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut hasher: Box<Digest> = box Sha256::new();
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Digest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 37 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reliable-rw`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fd85feb55354ee6f799d3f258c7332f0bd3b9026b47a9d21500ee3f4f5a5a17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd85feb55354ee6f799d3f258c7332f0bd3b9026b47a9d21500ee3f4f5a5a17a", kill_on_drop: false }`
[INFO] [stdout] fd85feb55354ee6f799d3f258c7332f0bd3b9026b47a9d21500ee3f4f5a5a17a
