Nov 28 12:10:26.685 INFO checking MikkelSchubert/disk_usage against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:10:26.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 12:10:26.972 INFO [stdout] 291ff98bd7a77e426c49329ecf32f7a553eb47b0c8844a2c1a1d476e7f5e8654
Nov 28 12:10:26.974 INFO running `"docker" "start" "-a" "291ff98bd7a77e426c49329ecf32f7a553eb47b0c8844a2c1a1d476e7f5e8654"`
Nov 28 12:10:27.584 INFO [stderr] usermod: no changes
Nov 28 12:10:27.711 INFO [stderr]    Compiling nix v0.6.0
Nov 28 12:10:31.711 INFO [stderr]     Checking disk_usage v0.1.0 (/source)
Nov 28 12:10:32.784 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:10:32.785 INFO [stderr]    --> src/main.rs:120:13
Nov 28 12:10:32.785 INFO [stderr]     |
Nov 28 12:10:32.785 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 28 12:10:32.785 INFO [stderr]     |             ----^^^^
Nov 28 12:10:32.785 INFO [stderr]     |             |
Nov 28 12:10:32.785 INFO [stderr]     |             help: remove this `mut`
Nov 28 12:10:32.785 INFO [stderr]     |
Nov 28 12:10:32.785 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 12:10:32.785 INFO [stderr] 
Nov 28 12:10:32.785 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:10:32.785 INFO [stderr]    --> src/main.rs:120:13
Nov 28 12:10:32.785 INFO [stderr]     |
Nov 28 12:10:32.786 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 28 12:10:32.786 INFO [stderr]     |             ----^^^^
Nov 28 12:10:32.786 INFO [stderr]     |             |
Nov 28 12:10:32.786 INFO [stderr]     |             help: remove this `mut`
Nov 28 12:10:32.786 INFO [stderr] 
Nov 28 12:10:32.809 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:10:32.809 INFO [stderr]    --> src/main.rs:120:13
Nov 28 12:10:32.809 INFO [stderr]     |
Nov 28 12:10:32.809 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 28 12:10:32.809 INFO [stderr]     |             ----^^^^
Nov 28 12:10:32.809 INFO [stderr]     |             |
Nov 28 12:10:32.810 INFO [stderr]     |             help: remove this `mut`
Nov 28 12:10:32.810 INFO [stderr]     |
Nov 28 12:10:32.810 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 12:10:32.810 INFO [stderr] 
Nov 28 12:10:32.810 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:10:32.810 INFO [stderr]    --> src/main.rs:120:13
Nov 28 12:10:32.810 INFO [stderr]     |
Nov 28 12:10:32.810 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 28 12:10:32.810 INFO [stderr]     |             ----^^^^
Nov 28 12:10:32.810 INFO [stderr]     |             |
Nov 28 12:10:32.810 INFO [stderr]     |             help: remove this `mut`
Nov 28 12:10:32.810 INFO [stderr] 
Nov 28 12:10:32.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
Nov 28 12:10:32.843 INFO [stderr] su: No module specific data is present
Nov 28 12:10:33.142 INFO running `"docker" "inspect" "291ff98bd7a77e426c49329ecf32f7a553eb47b0c8844a2c1a1d476e7f5e8654"`
Nov 28 12:10:33.348 INFO running `"docker" "rm" "-f" "291ff98bd7a77e426c49329ecf32f7a553eb47b0c8844a2c1a1d476e7f5e8654"`
Nov 28 12:10:33.635 INFO [stdout] 291ff98bd7a77e426c49329ecf32f7a553eb47b0c8844a2c1a1d476e7f5e8654