Nov 04 12:38:01.375 INFO checking MikkelSchubert/disk_usage against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 12:38:01.377 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 12:38:01.651 INFO blam! 388a9a73455d9a43b6484f0dae519cd913055792f180134b2cdc3f4b15779c1a
Nov 04 12:38:01.651 INFO running `"docker" "start" "-a" "388a9a73455d9a43b6484f0dae519cd913055792f180134b2cdc3f4b15779c1a"`
Nov 04 12:38:02.217 INFO kablam! usermod: no changes
Nov 04 12:38:02.283 INFO kablam!     Checking nix v0.6.0
Nov 04 12:38:05.303 INFO kablam!     Checking disk_usage v0.1.0 (/source)
Nov 04 12:38:06.411 INFO kablam! warning: variable does not need to be mutable
Nov 04 12:38:06.411 INFO kablam!    --> src/main.rs:120:13
Nov 04 12:38:06.411 INFO kablam!     |
Nov 04 12:38:06.411 INFO kablam! 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 04 12:38:06.411 INFO kablam!     |             ----^^^^
Nov 04 12:38:06.411 INFO kablam!     |             |
Nov 04 12:38:06.411 INFO kablam!     |             help: remove this `mut`
Nov 04 12:38:06.411 INFO kablam!     |
Nov 04 12:38:06.411 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 12:38:06.411 INFO kablam! 
Nov 04 12:38:06.411 INFO kablam! warning: variable does not need to be mutable
Nov 04 12:38:06.411 INFO kablam!    --> src/main.rs:120:13
Nov 04 12:38:06.411 INFO kablam!     |
Nov 04 12:38:06.411 INFO kablam! 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 04 12:38:06.411 INFO kablam!     |             ----^^^^
Nov 04 12:38:06.411 INFO kablam!     |             |
Nov 04 12:38:06.411 INFO kablam!     |             help: remove this `mut`
Nov 04 12:38:06.411 INFO kablam! 
Nov 04 12:38:06.527 INFO kablam! warning: variable does not need to be mutable
Nov 04 12:38:06.527 INFO kablam!    --> src/main.rs:120:13
Nov 04 12:38:06.527 INFO kablam!     |
Nov 04 12:38:06.527 INFO kablam! 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 04 12:38:06.527 INFO kablam!     |             ----^^^^
Nov 04 12:38:06.527 INFO kablam!     |             |
Nov 04 12:38:06.527 INFO kablam!     |             help: remove this `mut`
Nov 04 12:38:06.527 INFO kablam!     |
Nov 04 12:38:06.527 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 12:38:06.527 INFO kablam! 
Nov 04 12:38:06.527 INFO kablam! warning: variable does not need to be mutable
Nov 04 12:38:06.527 INFO kablam!    --> src/main.rs:120:13
Nov 04 12:38:06.527 INFO kablam!     |
Nov 04 12:38:06.527 INFO kablam! 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 04 12:38:06.527 INFO kablam!     |             ----^^^^
Nov 04 12:38:06.527 INFO kablam!     |             |
Nov 04 12:38:06.527 INFO kablam!     |             help: remove this `mut`
Nov 04 12:38:06.527 INFO kablam! 
Nov 04 12:38:06.558 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Nov 04 12:38:06.563 INFO kablam! su: No module specific data is present
Nov 04 12:38:07.887 INFO running `"docker" "rm" "-f" "388a9a73455d9a43b6484f0dae519cd913055792f180134b2cdc3f4b15779c1a"`
Nov 04 12:38:08.790 INFO blam! 388a9a73455d9a43b6484f0dae519cd913055792f180134b2cdc3f4b15779c1a