Nov 29 15:21:20.853 INFO checking vti/rust-test against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 15:21:20.853 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 29 15:21:21.337 INFO [stdout] 0c8fd9cc5bd22c89dd32cd5be99fac1926e961b45a6e711063177f438351eec3
Nov 29 15:21:21.339 INFO running `"docker" "start" "-a" "0c8fd9cc5bd22c89dd32cd5be99fac1926e961b45a6e711063177f438351eec3"`
Nov 29 15:21:22.010 INFO [stderr] usermod: no changes
Nov 29 15:21:22.077 INFO [stderr]     Checking rust-test v0.1.0 (/source)
Nov 29 15:21:22.212 INFO [stderr] warning: value assigned to `a` is never read
Nov 29 15:21:22.212 INFO [stderr]  --> src/main.rs:7:5
Nov 29 15:21:22.212 INFO [stderr]   |
Nov 29 15:21:22.212 INFO [stderr] 7 |     a = a + b;
Nov 29 15:21:22.212 INFO [stderr]   |     ^
Nov 29 15:21:22.212 INFO [stderr]   |
Nov 29 15:21:22.212 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Nov 29 15:21:22.212 INFO [stderr] 
Nov 29 15:21:22.212 INFO [stderr] warning: variable does not need to be mutable
Nov 29 15:21:22.212 INFO [stderr]  --> src/main.rs:5:9
Nov 29 15:21:22.212 INFO [stderr]   |
Nov 29 15:21:22.212 INFO [stderr] 5 |     let mut b = 0;
Nov 29 15:21:22.212 INFO [stderr]   |         ----^
Nov 29 15:21:22.212 INFO [stderr]   |         |
Nov 29 15:21:22.212 INFO [stderr]   |         help: remove this `mut`
Nov 29 15:21:22.212 INFO [stderr]   |
Nov 29 15:21:22.212 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 29 15:21:22.212 INFO [stderr] 
Nov 29 15:21:22.354 INFO [stderr] warning: value assigned to `a` is never read
Nov 29 15:21:22.354 INFO [stderr]  --> src/main.rs:7:5
Nov 29 15:21:22.354 INFO [stderr]   |
Nov 29 15:21:22.354 INFO [stderr] 7 |     a = a + b;
Nov 29 15:21:22.354 INFO [stderr]   |     ^
Nov 29 15:21:22.354 INFO [stderr]   |
Nov 29 15:21:22.354 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Nov 29 15:21:22.354 INFO [stderr] 
Nov 29 15:21:22.356 INFO [stderr] warning: variable does not need to be mutable
Nov 29 15:21:22.356 INFO [stderr]  --> src/main.rs:5:9
Nov 29 15:21:22.356 INFO [stderr]   |
Nov 29 15:21:22.356 INFO [stderr] 5 |     let mut b = 0;
Nov 29 15:21:22.356 INFO [stderr]   |         ----^
Nov 29 15:21:22.356 INFO [stderr]   |         |
Nov 29 15:21:22.356 INFO [stderr]   |         help: remove this `mut`
Nov 29 15:21:22.356 INFO [stderr]   |
Nov 29 15:21:22.356 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 29 15:21:22.356 INFO [stderr] 
Nov 29 15:21:22.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Nov 29 15:21:22.374 INFO [stderr] su: No module specific data is present
Nov 29 15:21:22.902 INFO running `"docker" "inspect" "0c8fd9cc5bd22c89dd32cd5be99fac1926e961b45a6e711063177f438351eec3"`
Nov 29 15:21:23.156 INFO running `"docker" "rm" "-f" "0c8fd9cc5bd22c89dd32cd5be99fac1926e961b45a6e711063177f438351eec3"`
Nov 29 15:21:23.395 INFO [stdout] 0c8fd9cc5bd22c89dd32cd5be99fac1926e961b45a6e711063177f438351eec3