Dec 14 07:51:42.320 INFO testing MikkelSchubert/disk_usage against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:51:42.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:51:42.520 INFO [stdout] 610e4f3773682d08080249b29a4e1811084b8798af9e806866a30bb11990fc15
Dec 14 07:51:42.522 INFO running `"docker" "start" "-a" "610e4f3773682d08080249b29a4e1811084b8798af9e806866a30bb11990fc15"`
Dec 14 07:51:43.092 INFO [stderr] usermod: no changes
Dec 14 07:51:43.160 INFO [stderr]    Compiling nix v0.6.0
Dec 14 07:51:47.997 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Dec 14 07:51:49.064 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:49.064 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:49.064 INFO [stderr]     |
Dec 14 07:51:49.064 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:49.064 INFO [stderr]     |             ----^^^^
Dec 14 07:51:49.064 INFO [stderr]     |             |
Dec 14 07:51:49.064 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:49.064 INFO [stderr]     |
Dec 14 07:51:49.064 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 07:51:49.064 INFO [stderr] 
Dec 14 07:51:49.064 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:49.064 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:49.064 INFO [stderr]     |
Dec 14 07:51:49.064 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:49.064 INFO [stderr]     |             ----^^^^
Dec 14 07:51:49.064 INFO [stderr]     |             |
Dec 14 07:51:49.064 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:49.064 INFO [stderr] 
Dec 14 07:51:51.466 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
Dec 14 07:51:51.470 INFO [stderr] su: No module specific data is present
Dec 14 07:51:52.119 INFO running `"docker" "inspect" "610e4f3773682d08080249b29a4e1811084b8798af9e806866a30bb11990fc15"`
Dec 14 07:51:52.435 INFO running `"docker" "rm" "-f" "610e4f3773682d08080249b29a4e1811084b8798af9e806866a30bb11990fc15"`
Dec 14 07:51:52.831 INFO [stdout] 610e4f3773682d08080249b29a4e1811084b8798af9e806866a30bb11990fc15
Dec 14 07:51:52.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:51:53.207 INFO [stdout] 6f3c25bead567526ae715a4ccd706f7b66c440dfa8fee18c7be474e96b9340ed
Dec 14 07:51:53.213 INFO running `"docker" "start" "-a" "6f3c25bead567526ae715a4ccd706f7b66c440dfa8fee18c7be474e96b9340ed"`
Dec 14 07:51:54.467 INFO [stderr] usermod: no changes
Dec 14 07:51:54.539 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Dec 14 07:51:55.753 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:55.753 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:55.753 INFO [stderr]     |
Dec 14 07:51:55.753 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:55.753 INFO [stderr]     |             ----^^^^
Dec 14 07:51:55.753 INFO [stderr]     |             |
Dec 14 07:51:55.753 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:55.753 INFO [stderr]     |
Dec 14 07:51:55.753 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 07:51:55.753 INFO [stderr] 
Dec 14 07:51:55.753 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:51:55.753 INFO [stderr]    --> src/main.rs:120:13
Dec 14 07:51:55.753 INFO [stderr]     |
Dec 14 07:51:55.753 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 14 07:51:55.753 INFO [stderr]     |             ----^^^^
Dec 14 07:51:55.753 INFO [stderr]     |             |
Dec 14 07:51:55.753 INFO [stderr]     |             help: remove this `mut`
Dec 14 07:51:55.753 INFO [stderr] 
Dec 14 07:51:56.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 14 07:51:56.175 INFO [stderr] su: No module specific data is present
Dec 14 07:51:57.209 INFO running `"docker" "inspect" "6f3c25bead567526ae715a4ccd706f7b66c440dfa8fee18c7be474e96b9340ed"`
Dec 14 07:51:57.497 INFO running `"docker" "rm" "-f" "6f3c25bead567526ae715a4ccd706f7b66c440dfa8fee18c7be474e96b9340ed"`
Dec 14 07:51:57.685 INFO [stdout] 6f3c25bead567526ae715a4ccd706f7b66c440dfa8fee18c7be474e96b9340ed
Dec 14 07:51:57.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:51:58.352 INFO [stdout] 3fe37b328e2652b5e21ca499bc4dfee5653f50bb00d6644d2593f2d49e6898dc
Dec 14 07:51:58.367 INFO running `"docker" "start" "-a" "3fe37b328e2652b5e21ca499bc4dfee5653f50bb00d6644d2593f2d49e6898dc"`
Dec 14 07:51:59.323 INFO [stderr] usermod: no changes
Dec 14 07:51:59.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 07:51:59.365 INFO [stderr]      Running /target/debug/deps/disk_usage-7f11e010cf0bd0a5
Dec 14 07:51:59.370 INFO [stdout] 
Dec 14 07:51:59.370 INFO [stdout] running 0 tests
Dec 14 07:51:59.370 INFO [stdout] 
Dec 14 07:51:59.370 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:51:59.370 INFO [stdout] 
Dec 14 07:51:59.373 INFO [stderr] su: No module specific data is present
Dec 14 07:52:00.087 INFO running `"docker" "inspect" "3fe37b328e2652b5e21ca499bc4dfee5653f50bb00d6644d2593f2d49e6898dc"`
Dec 14 07:52:00.363 INFO running `"docker" "rm" "-f" "3fe37b328e2652b5e21ca499bc4dfee5653f50bb00d6644d2593f2d49e6898dc"`
Dec 14 07:52:00.687 INFO [stdout] 3fe37b328e2652b5e21ca499bc4dfee5653f50bb00d6644d2593f2d49e6898dc