Dec 14 07:51:41.901 INFO testing MikkelSchubert/disk_usage against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:51:41.901 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 07:51:42.117 INFO [stdout] 36d760e43d072354d3a6209e555b4bc6736a178490c69616f6d60da3dd05aae4
Dec 14 07:51:42.163 INFO running `"docker" "start" "-a" "36d760e43d072354d3a6209e555b4bc6736a178490c69616f6d60da3dd05aae4"`
Dec 14 07:51:42.677 INFO [stderr] usermod: no changes
Dec 14 07:51:42.746 INFO [stderr]    Compiling nix v0.6.0
Dec 14 07:51:47.133 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Dec 14 07:51:48.133 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:48.133 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:48.133 INFO [stderr]     |
Dec 14 07:51:48.133 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:48.133 INFO [stderr]     |             ----^^^^
Dec 14 07:51:48.133 INFO [stderr]     |             |
Dec 14 07:51:48.133 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:48.133 INFO [stderr]     |
Dec 14 07:51:48.133 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 07:51:48.134 INFO [stderr] 
Dec 14 07:51:48.134 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:48.134 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:48.134 INFO [stderr]     |
Dec 14 07:51:48.134 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:48.134 INFO [stderr]     |             ----^^^^
Dec 14 07:51:48.134 INFO [stderr]     |             |
Dec 14 07:51:48.134 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:48.134 INFO [stderr] 
Dec 14 07:51:50.318 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
Dec 14 07:51:50.321 INFO [stderr] su: No module specific data is present
Dec 14 07:51:50.883 INFO running `"docker" "inspect" "36d760e43d072354d3a6209e555b4bc6736a178490c69616f6d60da3dd05aae4"`
Dec 14 07:51:51.021 INFO running `"docker" "rm" "-f" "36d760e43d072354d3a6209e555b4bc6736a178490c69616f6d60da3dd05aae4"`
Dec 14 07:51:51.139 INFO [stdout] 36d760e43d072354d3a6209e555b4bc6736a178490c69616f6d60da3dd05aae4
Dec 14 07:51:51.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 07:51:51.475 INFO [stdout] fed4f72eae7cea221596c8a45ac015b16cc4666413a354cd30d7fdb278724aec
Dec 14 07:51:51.477 INFO running `"docker" "start" "-a" "fed4f72eae7cea221596c8a45ac015b16cc4666413a354cd30d7fdb278724aec"`
Dec 14 07:51:52.720 INFO [stderr] usermod: no changes
Dec 14 07:51:52.807 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Dec 14 07:51:53.933 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:53.934 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:53.934 INFO [stderr]     |
Dec 14 07:51:53.934 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:53.934 INFO [stderr]     |             ----^^^^
Dec 14 07:51:53.934 INFO [stderr]     |             |
Dec 14 07:51:53.934 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:53.934 INFO [stderr]     |
Dec 14 07:51:53.934 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 07:51:53.934 INFO [stderr] 
Dec 14 07:51:53.934 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:53.934 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:53.934 INFO [stderr]     |
Dec 14 07:51:53.934 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:53.934 INFO [stderr]     |             ----^^^^
Dec 14 07:51:53.934 INFO [stderr]     |             |
Dec 14 07:51:53.934 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:53.934 INFO [stderr] 
Dec 14 07:51:54.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Dec 14 07:51:54.363 INFO [stderr] su: No module specific data is present
Dec 14 07:51:55.155 INFO running `"docker" "inspect" "fed4f72eae7cea221596c8a45ac015b16cc4666413a354cd30d7fdb278724aec"`
Dec 14 07:51:55.451 INFO running `"docker" "rm" "-f" "fed4f72eae7cea221596c8a45ac015b16cc4666413a354cd30d7fdb278724aec"`
Dec 14 07:51:55.771 INFO [stdout] fed4f72eae7cea221596c8a45ac015b16cc4666413a354cd30d7fdb278724aec
Dec 14 07:51:55.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 14 07:51:56.228 INFO [stdout] 8d9a67a5d3e3c97a4c3a53cdd51d79c197bd7f3f02a6012a2657c4271fc3f42f
Dec 14 07:51:56.231 INFO running `"docker" "start" "-a" "8d9a67a5d3e3c97a4c3a53cdd51d79c197bd7f3f02a6012a2657c4271fc3f42f"`
Dec 14 07:51:57.664 INFO [stderr] usermod: no changes
Dec 14 07:51:57.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 07:51:57.768 INFO [stderr]      Running /target/debug/deps/disk_usage-7e5ccb3665ed03cb
Dec 14 07:51:57.772 INFO [stdout] 
Dec 14 07:51:57.772 INFO [stdout] running 0 tests
Dec 14 07:51:57.772 INFO [stdout] 
Dec 14 07:51:57.772 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:51:57.772 INFO [stdout] 
Dec 14 07:51:57.777 INFO [stderr] su: No module specific data is present
Dec 14 07:51:58.675 INFO running `"docker" "inspect" "8d9a67a5d3e3c97a4c3a53cdd51d79c197bd7f3f02a6012a2657c4271fc3f42f"`
Dec 14 07:51:58.929 INFO running `"docker" "rm" "-f" "8d9a67a5d3e3c97a4c3a53cdd51d79c197bd7f3f02a6012a2657c4271fc3f42f"`
Dec 14 07:51:59.158 INFO [stdout] 8d9a67a5d3e3c97a4c3a53cdd51d79c197bd7f3f02a6012a2657c4271fc3f42f