Dec 13 16:16:21.204 INFO testing jacobvaneijk/dmr against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 16:16:21.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13 16:16:21.707 INFO [stdout] 6cb2c0833db4a4b86dc4cc5c2fa6a2be23b03d4aa7db1350ce150f7aa89b3754
Dec 13 16:16:21.708 INFO running `"docker" "start" "-a" "6cb2c0833db4a4b86dc4cc5c2fa6a2be23b03d4aa7db1350ce150f7aa89b3754"`
Dec 13 16:16:22.751 INFO [stderr] usermod: no changes
Dec 13 16:16:22.811 INFO [stderr]    Compiling dmr v0.1.0 (/source)
Dec 13 16:16:23.215 INFO [stderr] warning: unused variable: `output`
Dec 13 16:16:23.215 INFO [stderr]   --> src/main.rs:47:9
Dec 13 16:16:23.215 INFO [stderr]    |
Dec 13 16:16:23.215 INFO [stderr] 47 |     let output = match matches.opt_str("o") {
Dec 13 16:16:23.215 INFO [stderr]    |         ^^^^^^ help: consider using `_output` instead
Dec 13 16:16:23.215 INFO [stderr]    |
Dec 13 16:16:23.215 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:16:23.215 INFO [stderr] 
Dec 13 16:16:23.219 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:16:23.219 INFO [stderr]   --> src/driver.rs:28:9
Dec 13 16:16:23.219 INFO [stderr]    |
Dec 13 16:16:23.219 INFO [stderr] 28 |     let mut src = match read_file(filename) {
Dec 13 16:16:23.219 INFO [stderr]    |         ----^^^
Dec 13 16:16:23.219 INFO [stderr]    |         |
Dec 13 16:16:23.219 INFO [stderr]    |         help: remove this `mut`
Dec 13 16:16:23.219 INFO [stderr]    |
Dec 13 16:16:23.219 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 16:16:23.219 INFO [stderr] 
Dec 13 16:16:24.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 13 16:16:24.109 INFO [stderr] su: No module specific data is present
Dec 13 16:16:24.705 INFO running `"docker" "inspect" "6cb2c0833db4a4b86dc4cc5c2fa6a2be23b03d4aa7db1350ce150f7aa89b3754"`
Dec 13 16:16:25.007 INFO running `"docker" "rm" "-f" "6cb2c0833db4a4b86dc4cc5c2fa6a2be23b03d4aa7db1350ce150f7aa89b3754"`
Dec 13 16:16:25.315 INFO [stdout] 6cb2c0833db4a4b86dc4cc5c2fa6a2be23b03d4aa7db1350ce150f7aa89b3754
Dec 13 16:16:25.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13 16:16:25.771 INFO [stdout] 9ff5bb5d321d49321973e920c76a24f200c29e20130638bcb9130a66d11ef750
Dec 13 16:16:25.773 INFO running `"docker" "start" "-a" "9ff5bb5d321d49321973e920c76a24f200c29e20130638bcb9130a66d11ef750"`
Dec 13 16:16:27.174 INFO [stderr] usermod: no changes
Dec 13 16:16:27.259 INFO [stderr]    Compiling dmr v0.1.0 (/source)
Dec 13 16:16:27.732 INFO [stderr] warning: unused variable: `output`
Dec 13 16:16:27.733 INFO [stderr]   --> src/main.rs:47:9
Dec 13 16:16:27.733 INFO [stderr]    |
Dec 13 16:16:27.733 INFO [stderr] 47 |     let output = match matches.opt_str("o") {
Dec 13 16:16:27.733 INFO [stderr]    |         ^^^^^^ help: consider using `_output` instead
Dec 13 16:16:27.733 INFO [stderr]    |
Dec 13 16:16:27.733 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:16:27.733 INFO [stderr] 
Dec 13 16:16:27.747 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:16:27.747 INFO [stderr]   --> src/driver.rs:28:9
Dec 13 16:16:27.747 INFO [stderr]    |
Dec 13 16:16:27.747 INFO [stderr] 28 |     let mut src = match read_file(filename) {
Dec 13 16:16:27.747 INFO [stderr]    |         ----^^^
Dec 13 16:16:27.747 INFO [stderr]    |         |
Dec 13 16:16:27.747 INFO [stderr]    |         help: remove this `mut`
Dec 13 16:16:27.747 INFO [stderr]    |
Dec 13 16:16:27.747 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 16:16:27.747 INFO [stderr] 
Dec 13 16:16:28.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 13 16:16:28.106 INFO [stderr] su: No module specific data is present
Dec 13 16:16:28.775 INFO running `"docker" "inspect" "9ff5bb5d321d49321973e920c76a24f200c29e20130638bcb9130a66d11ef750"`
Dec 13 16:16:29.101 INFO running `"docker" "rm" "-f" "9ff5bb5d321d49321973e920c76a24f200c29e20130638bcb9130a66d11ef750"`
Dec 13 16:16:29.501 INFO [stdout] 9ff5bb5d321d49321973e920c76a24f200c29e20130638bcb9130a66d11ef750
Dec 13 16:16:29.507 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13 16:16:29.995 INFO [stdout] 5f9a2d88c1625c04ef10dd6535c01ad41450516378421466018edd30bc67de2a
Dec 13 16:16:30.001 INFO running `"docker" "start" "-a" "5f9a2d88c1625c04ef10dd6535c01ad41450516378421466018edd30bc67de2a"`
Dec 13 16:16:31.187 INFO [stderr] usermod: no changes
Dec 13 16:16:31.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 16:16:31.255 INFO [stdout] 
Dec 13 16:16:31.255 INFO [stderr]      Running /target/debug/deps/dmr-42d1eb7bc8d82834
Dec 13 16:16:31.255 INFO [stdout] running 0 tests
Dec 13 16:16:31.259 INFO [stdout] 
Dec 13 16:16:31.259 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:16:31.259 INFO [stdout] 
Dec 13 16:16:31.263 INFO [stderr] su: No module specific data is present
Dec 13 16:16:32.479 INFO running `"docker" "inspect" "5f9a2d88c1625c04ef10dd6535c01ad41450516378421466018edd30bc67de2a"`
Dec 13 16:16:32.848 INFO running `"docker" "rm" "-f" "5f9a2d88c1625c04ef10dd6535c01ad41450516378421466018edd30bc67de2a"`
Dec 13 16:16:33.207 INFO [stdout] 5f9a2d88c1625c04ef10dd6535c01ad41450516378421466018edd30bc67de2a