[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] testing infinityb/reliable-rw-rust against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinityb%2Freliable-rw-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/infinityb/reliable-rw-rust on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/infinityb/reliable-rw-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "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: `reliable-rw` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335
[INFO] running `Command { std: "docker" "start" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335", 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" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `reliable-rw` (manifest) generated 1 warning
[INFO] [stderr]    Compiling reliable-rw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[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] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut hasher: Box<Digest> = box Sha256::new();
[INFO] [stdout] 95 +     let mut hasher: Box<Digest> = Box::new(Sha256::new());
[INFO] [stdout]    |
[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: 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::{IoResult, IoError};
[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, IoError};
[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]    |     ^^^^^^^^^^^----------
[INFO] [stdout]    |                |
[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]    |     ^^^^^^^^^^---
[INFO] [stdout]    |               |
[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 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0425]: 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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/reliable_rw.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(macro_rules, slicing_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `macro_rules` has been stable since `1.0.0` and no longer requires an attribute to enable
[INFO] [stdout]   = help: the feature `slicing_syntax` has been stable since `1.0.0` and no longer requires an attribute 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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[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]     |             ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 313 -             ((x & y) ^ ((!x) & z))
[INFO] [stdout] 313 +             (x & y) ^ ((!x) & z)
[INFO] [stdout]     |
[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]     |             ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 317 -             ((x & y) ^ (x & z) ^ (y & z))
[INFO] [stdout] 317 +             (x & y) ^ (x & z) ^ (y & z)
[INFO] [stdout]     |
[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] 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: 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] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/reliable_rw.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(macro_rules, slicing_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slicing_syntax` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/reliable_rw.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(macro_rules, slicing_syntax)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[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]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     output: &'a mut (dyn Writer+'a),
[INFO] [stdout]    |                      +++
[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] 
[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] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0554.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reliable-rw` (lib) due to 38 previous errors; 8 warnings emitted
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335", kill_on_drop: false }`
[INFO] [stdout] f7dc50d7acec201c222eed6057c2bc794ebb8cb820bf3b697d08ff6295c2b335
