Nov 01 21:34:07.777 INFO checking hematite-nbt-0.3.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 21:34:07.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 21:34:08.316 INFO blam! 3f33f355fe77667fe6d75a30db05b43afa20fe54ac466706f3adbd337e87a56f
Nov 01 21:34:08.324 INFO running `"docker" "start" "-a" "3f33f355fe77667fe6d75a30db05b43afa20fe54ac466706f3adbd337e87a56f"`
Nov 01 21:34:09.588 INFO kablam! usermod: no changes
Nov 01 21:34:09.672 INFO kablam!     Checking hematite-nbt v0.3.0 (/source)
Nov 01 21:34:11.120 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.120 INFO kablam!   --> src/blob.rs:50:24
Nov 01 21:34:11.120 INFO kablam!    |
Nov 01 21:34:11.120 INFO kablam! 50 |     pub fn from_reader(mut src: &mut io::Read) -> Result<Blob> {
Nov 01 21:34:11.120 INFO kablam!    |                        ----^^^
Nov 01 21:34:11.120 INFO kablam!    |                        |
Nov 01 21:34:11.120 INFO kablam!    |                        help: remove this `mut`
Nov 01 21:34:11.120 INFO kablam!    |
Nov 01 21:34:11.120 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 21:34:11.120 INFO kablam! 
Nov 01 21:34:11.144 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.144 INFO kablam!   --> src/value.rs:88:32
Nov 01 21:34:11.144 INFO kablam!    |
Nov 01 21:34:11.144 INFO kablam! 88 |     pub fn write_header(&self, mut dst: &mut io::Write, title: &str) -> Result<()> {
Nov 01 21:34:11.144 INFO kablam!    |                                ----^^^
Nov 01 21:34:11.144 INFO kablam!    |                                |
Nov 01 21:34:11.144 INFO kablam!    |                                help: remove this `mut`
Nov 01 21:34:11.144 INFO kablam! 
Nov 01 21:34:11.164 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.164 INFO kablam!   --> src/value.rs:96:25
Nov 01 21:34:11.164 INFO kablam!    |
Nov 01 21:34:11.165 INFO kablam! 96 |     pub fn write(&self, mut dst: &mut io::Write) -> Result<()> {
Nov 01 21:34:11.165 INFO kablam!    |                         ----^^^
Nov 01 21:34:11.165 INFO kablam!    |                         |
Nov 01 21:34:11.165 INFO kablam!    |                         help: remove this `mut`
Nov 01 21:34:11.165 INFO kablam! 
Nov 01 21:34:11.165 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.165 INFO kablam!    --> src/value.rs:155:24
Nov 01 21:34:11.165 INFO kablam!     |
Nov 01 21:34:11.165 INFO kablam! 155 |     pub fn read_header(mut src: &mut io::Read) -> Result<(u8, String)> {
Nov 01 21:34:11.165 INFO kablam!     |                        ----^^^
Nov 01 21:34:11.165 INFO kablam!     |                        |
Nov 01 21:34:11.165 INFO kablam!     |                        help: remove this `mut`
Nov 01 21:34:11.165 INFO kablam! 
Nov 01 21:34:11.176 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.176 INFO kablam!    --> src/value.rs:170:32
Nov 01 21:34:11.176 INFO kablam!     |
Nov 01 21:34:11.176 INFO kablam! 170 |     pub fn from_reader(id: u8, mut src: &mut io::Read) -> Result<Value> {
Nov 01 21:34:11.177 INFO kablam!     |                                ----^^^
Nov 01 21:34:11.177 INFO kablam!     |                                |
Nov 01 21:34:11.177 INFO kablam!     |                                help: remove this `mut`
Nov 01 21:34:11.177 INFO kablam! 
Nov 01 21:34:11.200 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.200 INFO kablam!    --> src/value.rs:309:14
Nov 01 21:34:11.200 INFO kablam!     |
Nov 01 21:34:11.200 INFO kablam! 309 | fn read_utf8(mut src: &mut io::Read, len: usize) -> Result<String> {
Nov 01 21:34:11.200 INFO kablam!     |              ----^^^
Nov 01 21:34:11.200 INFO kablam!     |              |
Nov 01 21:34:11.200 INFO kablam!     |              help: remove this `mut`
Nov 01 21:34:11.201 INFO kablam! 
Nov 01 21:34:11.412 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.412 INFO kablam!   --> src/blob.rs:50:24
Nov 01 21:34:11.412 INFO kablam!    |
Nov 01 21:34:11.412 INFO kablam! 50 |     pub fn from_reader(mut src: &mut io::Read) -> Result<Blob> {
Nov 01 21:34:11.412 INFO kablam!    |                        ----^^^
Nov 01 21:34:11.412 INFO kablam!    |                        |
Nov 01 21:34:11.412 INFO kablam!    |                        help: remove this `mut`
Nov 01 21:34:11.412 INFO kablam!    |
Nov 01 21:34:11.412 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 21:34:11.412 INFO kablam! 
Nov 01 21:34:11.444 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.445 INFO kablam!   --> src/value.rs:88:32
Nov 01 21:34:11.445 INFO kablam!    |
Nov 01 21:34:11.445 INFO kablam! 88 |     pub fn write_header(&self, mut dst: &mut io::Write, title: &str) -> Result<()> {
Nov 01 21:34:11.445 INFO kablam!    |                                ----^^^
Nov 01 21:34:11.445 INFO kablam!    |                                |
Nov 01 21:34:11.445 INFO kablam!    |                                help: remove this `mut`
Nov 01 21:34:11.445 INFO kablam! 
Nov 01 21:34:11.451 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.456 INFO kablam!   --> src/value.rs:96:25
Nov 01 21:34:11.456 INFO kablam!    |
Nov 01 21:34:11.456 INFO kablam! 96 |     pub fn write(&self, mut dst: &mut io::Write) -> Result<()> {
Nov 01 21:34:11.456 INFO kablam!    |                         ----^^^
Nov 01 21:34:11.457 INFO kablam!    |                         |
Nov 01 21:34:11.457 INFO kablam!    |                         help: remove this `mut`
Nov 01 21:34:11.457 INFO kablam! 
Nov 01 21:34:11.457 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.457 INFO kablam!    --> src/value.rs:155:24
Nov 01 21:34:11.457 INFO kablam!     |
Nov 01 21:34:11.457 INFO kablam! 155 |     pub fn read_header(mut src: &mut io::Read) -> Result<(u8, String)> {
Nov 01 21:34:11.457 INFO kablam!     |                        ----^^^
Nov 01 21:34:11.457 INFO kablam!     |                        |
Nov 01 21:34:11.457 INFO kablam!     |                        help: remove this `mut`
Nov 01 21:34:11.457 INFO kablam! 
Nov 01 21:34:11.464 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.464 INFO kablam!    --> src/value.rs:170:32
Nov 01 21:34:11.464 INFO kablam!     |
Nov 01 21:34:11.464 INFO kablam! 170 |     pub fn from_reader(id: u8, mut src: &mut io::Read) -> Result<Value> {
Nov 01 21:34:11.464 INFO kablam!     |                                ----^^^
Nov 01 21:34:11.464 INFO kablam!     |                                |
Nov 01 21:34:11.465 INFO kablam!     |                                help: remove this `mut`
Nov 01 21:34:11.465 INFO kablam! 
Nov 01 21:34:11.480 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:34:11.480 INFO kablam!    --> src/value.rs:309:14
Nov 01 21:34:11.480 INFO kablam!     |
Nov 01 21:34:11.480 INFO kablam! 309 | fn read_utf8(mut src: &mut io::Read, len: usize) -> Result<String> {
Nov 01 21:34:11.480 INFO kablam!     |              ----^^^
Nov 01 21:34:11.480 INFO kablam!     |              |
Nov 01 21:34:11.480 INFO kablam!     |              help: remove this `mut`
Nov 01 21:34:11.480 INFO kablam! 
Nov 01 21:34:11.604 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Nov 01 21:34:11.612 INFO kablam! su: No module specific data is present
Nov 01 21:34:12.895 INFO running `"docker" "rm" "-f" "3f33f355fe77667fe6d75a30db05b43afa20fe54ac466706f3adbd337e87a56f"`
Nov 01 21:34:13.180 INFO blam! 3f33f355fe77667fe6d75a30db05b43afa20fe54ac466706f3adbd337e87a56f