Nov 01 09:57:11.510 INFO checking Tahler/snoss against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 09:57:11.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 09:57:12.004 INFO blam! b6a4023ff1473bcd61ffb3e0abe02f45694145ac20512a91e92e0f3ab324b9ef
Nov 01 09:57:12.012 INFO running `"docker" "start" "-a" "b6a4023ff1473bcd61ffb3e0abe02f45694145ac20512a91e92e0f3ab324b9ef"`
Nov 01 09:57:13.060 INFO kablam! usermod: no changes
Nov 01 09:57:13.285 INFO kablam!    Compiling miniz-sys v0.1.9
Nov 01 09:57:13.293 INFO kablam!     Checking ordered-float v0.4.0
Nov 01 09:57:13.293 INFO kablam!     Checking serde_yaml v0.6.1
Nov 01 09:57:14.611 INFO kablam!     Checking serde-value v0.4.0
Nov 01 09:57:15.863 INFO kablam!     Checking flate2 v0.2.17
Nov 01 09:57:16.823 INFO kablam!     Checking log4rs v0.6.1
Nov 01 09:57:19.720 INFO kablam!     Checking snoss v0.1.0 (/source)
Nov 01 09:57:23.408 INFO kablam! warning: variable does not need to be mutable
Nov 01 09:57:23.408 INFO kablam!    --> src/os/exec.rs:194:13
Nov 01 09:57:23.408 INFO kablam!     |
Nov 01 09:57:23.408 INFO kablam! 194 |         let mut stack = pcb.get_stack_mut();
Nov 01 09:57:23.408 INFO kablam!     |             ----^^^^^
Nov 01 09:57:23.408 INFO kablam!     |             |
Nov 01 09:57:23.408 INFO kablam!     |             help: remove this `mut`
Nov 01 09:57:23.408 INFO kablam!     |
Nov 01 09:57:23.408 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 09:57:23.408 INFO kablam! 
Nov 01 09:57:23.432 INFO kablam! warning: variable does not need to be mutable
Nov 01 09:57:23.432 INFO kablam!   --> src/os/ps/pcb.rs:63:13
Nov 01 09:57:23.432 INFO kablam!    |
Nov 01 09:57:23.432 INFO kablam! 63 |         let mut ctx = &mut self.header.ctx;
Nov 01 09:57:23.432 INFO kablam!    |             ----^^^
Nov 01 09:57:23.432 INFO kablam!    |             |
Nov 01 09:57:23.432 INFO kablam!    |             help: remove this `mut`
Nov 01 09:57:23.432 INFO kablam! 
Nov 01 09:57:23.548 INFO kablam! warning: variable does not need to be mutable
Nov 01 09:57:23.548 INFO kablam!    --> src/os/exec.rs:194:13
Nov 01 09:57:23.548 INFO kablam!     |
Nov 01 09:57:23.548 INFO kablam! 194 |         let mut stack = pcb.get_stack_mut();
Nov 01 09:57:23.548 INFO kablam!     |             ----^^^^^
Nov 01 09:57:23.548 INFO kablam!     |             |
Nov 01 09:57:23.548 INFO kablam!     |             help: remove this `mut`
Nov 01 09:57:23.548 INFO kablam!     |
Nov 01 09:57:23.548 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 09:57:23.548 INFO kablam! 
Nov 01 09:57:23.575 INFO kablam! warning: variable does not need to be mutable
Nov 01 09:57:23.575 INFO kablam!   --> src/os/ps/pcb.rs:63:13
Nov 01 09:57:23.575 INFO kablam!    |
Nov 01 09:57:23.575 INFO kablam! 63 |         let mut ctx = &mut self.header.ctx;
Nov 01 09:57:23.575 INFO kablam!    |             ----^^^
Nov 01 09:57:23.576 INFO kablam!    |             |
Nov 01 09:57:23.576 INFO kablam!    |             help: remove this `mut`
Nov 01 09:57:23.576 INFO kablam! 
Nov 01 09:57:23.627 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
Nov 01 09:57:23.632 INFO kablam! su: No module specific data is present
Nov 01 09:57:24.000 INFO running `"docker" "rm" "-f" "b6a4023ff1473bcd61ffb3e0abe02f45694145ac20512a91e92e0f3ab324b9ef"`
Nov 01 09:57:24.233 INFO blam! b6a4023ff1473bcd61ffb3e0abe02f45694145ac20512a91e92e0f3ab324b9ef