Nov 17 13:25:57.971 INFO testing MikkelSchubert/disk_usage against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 13:25:57.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 13:25:58.332 INFO [stdout] ff7fdba1d7c0597a151b5e19511ed73ec11833be097726f914e5e98b2c78d295
Nov 17 13:25:58.334 INFO running `"docker" "start" "-a" "ff7fdba1d7c0597a151b5e19511ed73ec11833be097726f914e5e98b2c78d295"`
Nov 17 13:25:59.655 INFO [stderr] usermod: no changes
Nov 17 13:25:59.791 INFO [stderr]    Compiling clap v2.21.1
Nov 17 13:26:14.135 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Nov 17 13:26:15.215 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:26:15.216 INFO [stderr]    --> src/main.rs:120:13
Nov 17 13:26:15.216 INFO [stderr]     |
Nov 17 13:26:15.216 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 17 13:26:15.216 INFO [stderr]     |             ----^^^^
Nov 17 13:26:15.217 INFO [stderr]     |             |
Nov 17 13:26:15.217 INFO [stderr]     |             help: remove this `mut`
Nov 17 13:26:15.217 INFO [stderr]     |
Nov 17 13:26:15.218 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 13:26:15.218 INFO [stderr] 
Nov 17 13:26:15.218 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:26:15.219 INFO [stderr]    --> src/main.rs:120:13
Nov 17 13:26:15.220 INFO [stderr]     |
Nov 17 13:26:15.220 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 17 13:26:15.220 INFO [stderr]     |             ----^^^^
Nov 17 13:26:15.220 INFO [stderr]     |             |
Nov 17 13:26:15.220 INFO [stderr]     |             help: remove this `mut`
Nov 17 13:26:15.220 INFO [stderr] 
Nov 17 13:26:16.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.15s
Nov 17 13:26:16.863 INFO [stderr] su: No module specific data is present
Nov 17 13:26:17.525 INFO running `"docker" "inspect" "ff7fdba1d7c0597a151b5e19511ed73ec11833be097726f914e5e98b2c78d295"`
Nov 17 13:26:17.809 INFO running `"docker" "rm" "-f" "ff7fdba1d7c0597a151b5e19511ed73ec11833be097726f914e5e98b2c78d295"`
Nov 17 13:26:18.082 INFO [stdout] ff7fdba1d7c0597a151b5e19511ed73ec11833be097726f914e5e98b2c78d295
Nov 17 13:26:18.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 13:26:18.451 INFO [stdout] 84f20c05c537c680061100f1714f209b5c5a42b7fc9aeffef891dcf9eb88d5bc
Nov 17 13:26:18.455 INFO running `"docker" "start" "-a" "84f20c05c537c680061100f1714f209b5c5a42b7fc9aeffef891dcf9eb88d5bc"`
Nov 17 13:26:20.207 INFO [stderr] usermod: no changes
Nov 17 13:26:20.307 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Nov 17 13:26:21.475 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:26:21.475 INFO [stderr]    --> src/main.rs:120:13
Nov 17 13:26:21.475 INFO [stderr]     |
Nov 17 13:26:21.475 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 17 13:26:21.475 INFO [stderr]     |             ----^^^^
Nov 17 13:26:21.475 INFO [stderr]     |             |
Nov 17 13:26:21.475 INFO [stderr]     |             help: remove this `mut`
Nov 17 13:26:21.475 INFO [stderr]     |
Nov 17 13:26:21.475 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 13:26:21.475 INFO [stderr] 
Nov 17 13:26:21.475 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:26:21.475 INFO [stderr]    --> src/main.rs:120:13
Nov 17 13:26:21.475 INFO [stderr]     |
Nov 17 13:26:21.475 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Nov 17 13:26:21.475 INFO [stderr]     |             ----^^^^
Nov 17 13:26:21.475 INFO [stderr]     |             |
Nov 17 13:26:21.475 INFO [stderr]     |             help: remove this `mut`
Nov 17 13:26:21.475 INFO [stderr] 
Nov 17 13:26:21.909 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Nov 17 13:26:21.915 INFO [stderr] su: No module specific data is present
Nov 17 13:26:22.763 INFO running `"docker" "inspect" "84f20c05c537c680061100f1714f209b5c5a42b7fc9aeffef891dcf9eb88d5bc"`
Nov 17 13:26:23.100 INFO running `"docker" "rm" "-f" "84f20c05c537c680061100f1714f209b5c5a42b7fc9aeffef891dcf9eb88d5bc"`
Nov 17 13:26:23.471 INFO [stdout] 84f20c05c537c680061100f1714f209b5c5a42b7fc9aeffef891dcf9eb88d5bc
Nov 17 13:26:23.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 13:26:24.019 INFO [stdout] f7fe95cfb45dcf51adf79c99e078fd965353c1a3d52b50ec208da8b7e6780724
Nov 17 13:26:24.025 INFO running `"docker" "start" "-a" "f7fe95cfb45dcf51adf79c99e078fd965353c1a3d52b50ec208da8b7e6780724"`
Nov 17 13:26:25.073 INFO [stderr] usermod: no changes
Nov 17 13:26:25.187 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Nov 17 13:26:25.202 INFO [stderr]      Running /target/debug/deps/disk_usage-49c2979e655174e9
Nov 17 13:26:25.202 INFO [stdout] 
Nov 17 13:26:25.202 INFO [stdout] running 0 tests
Nov 17 13:26:25.202 INFO [stdout] 
Nov 17 13:26:25.202 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 13:26:25.202 INFO [stdout] 
Nov 17 13:26:25.204 INFO [stderr] su: No module specific data is present
Nov 17 13:26:25.965 INFO running `"docker" "inspect" "f7fe95cfb45dcf51adf79c99e078fd965353c1a3d52b50ec208da8b7e6780724"`
Nov 17 13:26:26.189 INFO running `"docker" "rm" "-f" "f7fe95cfb45dcf51adf79c99e078fd965353c1a3d52b50ec208da8b7e6780724"`
Nov 17 13:26:26.483 INFO [stdout] f7fe95cfb45dcf51adf79c99e078fd965353c1a3d52b50ec208da8b7e6780724