Dec 06 11:38:25.873 INFO testing MikkelSchubert/disk_usage against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 11:38:25.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 11:38:26.207 INFO [stdout] 8db988e1561df74e487a30efbfbc19c728a981a48682ce1d58b9f9c5e4192640
Dec 06 11:38:26.210 INFO running `"docker" "start" "-a" "8db988e1561df74e487a30efbfbc19c728a981a48682ce1d58b9f9c5e4192640"`
Dec 06 11:38:26.592 INFO [stderr] usermod: no changes
Dec 06 11:38:26.661 INFO [stderr]    Compiling nix v0.6.0
Dec 06 11:38:29.803 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Dec 06 11:38:30.804 INFO [stderr] warning: variable does not need to be mutable
Dec 06 11:38:30.804 INFO [stderr]    --> src/main.rs:120:13
Dec 06 11:38:30.804 INFO [stderr]     |
Dec 06 11:38:30.804 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 06 11:38:30.804 INFO [stderr]     |             ----^^^^
Dec 06 11:38:30.804 INFO [stderr]     |             |
Dec 06 11:38:30.804 INFO [stderr]     |             help: remove this `mut`
Dec 06 11:38:30.804 INFO [stderr]     |
Dec 06 11:38:30.804 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 11:38:30.804 INFO [stderr] 
Dec 06 11:38:30.804 INFO [stderr] warning: variable does not need to be mutable
Dec 06 11:38:30.804 INFO [stderr]    --> src/main.rs:120:13
Dec 06 11:38:30.804 INFO [stderr]     |
Dec 06 11:38:30.804 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 06 11:38:30.804 INFO [stderr]     |             ----^^^^
Dec 06 11:38:30.804 INFO [stderr]     |             |
Dec 06 11:38:30.804 INFO [stderr]     |             help: remove this `mut`
Dec 06 11:38:30.804 INFO [stderr] 
Dec 06 11:38:32.045 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
Dec 06 11:38:32.049 INFO [stderr] su: No module specific data is present
Dec 06 11:38:32.343 INFO running `"docker" "inspect" "8db988e1561df74e487a30efbfbc19c728a981a48682ce1d58b9f9c5e4192640"`
Dec 06 11:38:32.429 INFO running `"docker" "rm" "-f" "8db988e1561df74e487a30efbfbc19c728a981a48682ce1d58b9f9c5e4192640"`
Dec 06 11:38:32.537 INFO [stdout] 8db988e1561df74e487a30efbfbc19c728a981a48682ce1d58b9f9c5e4192640
Dec 06 11:38:32.540 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 11:38:32.718 INFO [stdout] cc04d5f6cfd3f3d17dcd950010ab97ce4834e0684685b285d1d811a54826bd5f
Dec 06 11:38:32.720 INFO running `"docker" "start" "-a" "cc04d5f6cfd3f3d17dcd950010ab97ce4834e0684685b285d1d811a54826bd5f"`
Dec 06 11:38:33.155 INFO [stderr] usermod: no changes
Dec 06 11:38:33.192 INFO [stderr]    Compiling disk_usage v0.1.0 (/source)
Dec 06 11:38:33.985 INFO [stderr] warning: variable does not need to be mutable
Dec 06 11:38:33.985 INFO [stderr]    --> src/main.rs:120:13
Dec 06 11:38:33.985 INFO [stderr]     |
Dec 06 11:38:33.985 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 06 11:38:33.985 INFO [stderr]     |             ----^^^^
Dec 06 11:38:33.985 INFO [stderr]     |             |
Dec 06 11:38:33.985 INFO [stderr]     |             help: remove this `mut`
Dec 06 11:38:33.985 INFO [stderr]     |
Dec 06 11:38:33.985 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 11:38:33.985 INFO [stderr] 
Dec 06 11:38:33.985 INFO [stderr] warning: variable does not need to be mutable
Dec 06 11:38:33.985 INFO [stderr]    --> src/main.rs:120:13
Dec 06 11:38:33.985 INFO [stderr]     |
Dec 06 11:38:33.985 INFO [stderr] 120 |         let mut user = users.entry(metadata.uid()).or_insert_with(|| {
Dec 06 11:38:33.985 INFO [stderr]     |             ----^^^^
Dec 06 11:38:33.985 INFO [stderr]     |             |
Dec 06 11:38:33.985 INFO [stderr]     |             help: remove this `mut`
Dec 06 11:38:33.985 INFO [stderr] 
Dec 06 11:38:34.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 06 11:38:34.187 INFO [stderr] su: No module specific data is present
Dec 06 11:38:36.844 INFO running `"docker" "inspect" "cc04d5f6cfd3f3d17dcd950010ab97ce4834e0684685b285d1d811a54826bd5f"`
Dec 06 11:38:36.958 INFO running `"docker" "rm" "-f" "cc04d5f6cfd3f3d17dcd950010ab97ce4834e0684685b285d1d811a54826bd5f"`
Dec 06 11:38:37.763 INFO [stdout] cc04d5f6cfd3f3d17dcd950010ab97ce4834e0684685b285d1d811a54826bd5f
Dec 06 11:38:37.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 11:38:37.913 INFO [stdout] bfa309fa57e1c415f6069be8bb802a2f21bc0ad1c1731c4b35d51809c8caabad
Dec 06 11:38:37.917 INFO running `"docker" "start" "-a" "bfa309fa57e1c415f6069be8bb802a2f21bc0ad1c1731c4b35d51809c8caabad"`
Dec 06 11:38:38.290 INFO [stderr] usermod: no changes
Dec 06 11:38:38.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 06 11:38:38.376 INFO [stderr]      Running /target/debug/deps/disk_usage-c0f62497139f3c97
Dec 06 11:38:38.385 INFO [stdout] 
Dec 06 11:38:38.385 INFO [stdout] running 0 tests
Dec 06 11:38:38.385 INFO [stdout] 
Dec 06 11:38:38.385 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 11:38:38.385 INFO [stdout] 
Dec 06 11:38:38.387 INFO [stderr] su: No module specific data is present
Dec 06 11:38:39.346 INFO running `"docker" "inspect" "bfa309fa57e1c415f6069be8bb802a2f21bc0ad1c1731c4b35d51809c8caabad"`
Dec 06 11:38:39.566 INFO running `"docker" "rm" "-f" "bfa309fa57e1c415f6069be8bb802a2f21bc0ad1c1731c4b35d51809c8caabad"`
Dec 06 11:38:39.876 INFO [stdout] bfa309fa57e1c415f6069be8bb802a2f21bc0ad1c1731c4b35d51809c8caabad