Nov 30 08:25:37.016 INFO checking Tahler/snoss against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 08:25:37.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 08:25:38.067 INFO [stdout] 3b70196e6fd60334b20097c2f03c8ff713565918732ded879dc58e3bf10ddc69
Nov 30 08:25:38.068 INFO running `"docker" "start" "-a" "3b70196e6fd60334b20097c2f03c8ff713565918732ded879dc58e3bf10ddc69"`
Nov 30 08:25:38.428 INFO [stderr] usermod: no changes
Nov 30 08:25:38.729 INFO [stderr]     Checking humantime v1.0.0
Nov 30 08:25:38.729 INFO [stderr]     Checking serde_json v0.9.6
Nov 30 08:25:38.729 INFO [stderr]     Checking serde_yaml v0.6.1
Nov 30 08:25:38.733 INFO [stderr]     Checking serde-value v0.4.0
Nov 30 08:25:38.733 INFO [stderr]    Compiling serde_derive v0.9.7
Nov 30 08:25:48.832 INFO [stderr]     Checking log4rs v0.6.1
Nov 30 08:25:51.662 INFO [stderr]     Checking snoss v0.1.0 (/source)
Nov 30 08:25:55.614 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:25:55.614 INFO [stderr]    --> src/os/exec.rs:194:13
Nov 30 08:25:55.614 INFO [stderr]     |
Nov 30 08:25:55.614 INFO [stderr] 194 |         let mut stack = pcb.get_stack_mut();
Nov 30 08:25:55.614 INFO [stderr]     |             ----^^^^^
Nov 30 08:25:55.614 INFO [stderr]     |             |
Nov 30 08:25:55.614 INFO [stderr]     |             help: remove this `mut`
Nov 30 08:25:55.614 INFO [stderr]     |
Nov 30 08:25:55.614 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 08:25:55.614 INFO [stderr] 
Nov 30 08:25:55.654 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:25:55.654 INFO [stderr]   --> src/os/ps/pcb.rs:63:13
Nov 30 08:25:55.654 INFO [stderr]    |
Nov 30 08:25:55.654 INFO [stderr] 63 |         let mut ctx = &mut self.header.ctx;
Nov 30 08:25:55.654 INFO [stderr]    |             ----^^^
Nov 30 08:25:55.654 INFO [stderr]    |             |
Nov 30 08:25:55.654 INFO [stderr]    |             help: remove this `mut`
Nov 30 08:25:55.666 INFO [stderr] 
Nov 30 08:25:55.855 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:25:55.855 INFO [stderr]    --> src/os/exec.rs:194:13
Nov 30 08:25:55.855 INFO [stderr]     |
Nov 30 08:25:55.855 INFO [stderr] 194 |         let mut stack = pcb.get_stack_mut();
Nov 30 08:25:55.855 INFO [stderr]     |             ----^^^^^
Nov 30 08:25:55.855 INFO [stderr]     |             |
Nov 30 08:25:55.855 INFO [stderr]     |             help: remove this `mut`
Nov 30 08:25:55.855 INFO [stderr]     |
Nov 30 08:25:55.855 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 08:25:55.855 INFO [stderr] 
Nov 30 08:25:55.882 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:25:55.882 INFO [stderr]   --> src/os/ps/pcb.rs:63:13
Nov 30 08:25:55.882 INFO [stderr]    |
Nov 30 08:25:55.882 INFO [stderr] 63 |         let mut ctx = &mut self.header.ctx;
Nov 30 08:25:55.882 INFO [stderr]    |             ----^^^
Nov 30 08:25:55.882 INFO [stderr]    |             |
Nov 30 08:25:55.882 INFO [stderr]    |             help: remove this `mut`
Nov 30 08:25:55.882 INFO [stderr] 
Nov 30 08:25:55.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.54s
Nov 30 08:25:55.986 INFO [stderr] su: No module specific data is present
Nov 30 08:25:56.320 INFO running `"docker" "inspect" "3b70196e6fd60334b20097c2f03c8ff713565918732ded879dc58e3bf10ddc69"`
Nov 30 08:25:56.442 INFO running `"docker" "rm" "-f" "3b70196e6fd60334b20097c2f03c8ff713565918732ded879dc58e3bf10ddc69"`
Nov 30 08:25:56.573 INFO [stdout] 3b70196e6fd60334b20097c2f03c8ff713565918732ded879dc58e3bf10ddc69