Dec 13 07:22:27.920 INFO testing pietrocarbo/rust_first_steps against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 07:22:27.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 07:22:28.395 INFO [stdout] 3d4fce5e7d789a4efad0ee4621f3abf848c5b026bed2ed5bbee51bd150d59792
Dec 13 07:22:28.401 INFO running `"docker" "start" "-a" "3d4fce5e7d789a4efad0ee4621f3abf848c5b026bed2ed5bbee51bd150d59792"`
Dec 13 07:22:31.006 INFO [stderr] usermod: no changes
Dec 13 07:22:31.139 INFO [stderr]    Compiling presentation v0.1.0 (/source)
Dec 13 07:22:32.219 INFO [stderr] warning: function is never used: `file_parse_verbose`
Dec 13 07:22:32.219 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Dec 13 07:22:32.219 INFO [stderr]    |
Dec 13 07:22:32.219 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Dec 13 07:22:32.219 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:22:32.235 INFO [stderr]    |
Dec 13 07:22:32.235 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:22:32.235 INFO [stderr] 
Dec 13 07:22:32.235 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Dec 13 07:22:32.235 INFO [stderr]   |
Dec 13 07:22:32.235 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 07:22:32.235 INFO [stderr] 
Dec 13 07:22:34.111 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
Dec 13 07:22:34.117 INFO [stderr] su: No module specific data is present
Dec 13 07:22:34.679 INFO running `"docker" "inspect" "3d4fce5e7d789a4efad0ee4621f3abf848c5b026bed2ed5bbee51bd150d59792"`
Dec 13 07:22:34.983 INFO running `"docker" "rm" "-f" "3d4fce5e7d789a4efad0ee4621f3abf848c5b026bed2ed5bbee51bd150d59792"`
Dec 13 07:22:35.149 INFO [stdout] 3d4fce5e7d789a4efad0ee4621f3abf848c5b026bed2ed5bbee51bd150d59792
Dec 13 07:22:35.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 07:22:35.459 INFO [stdout] 06536e746a20e21b28f5973dcd00646328aab35e0c1639a7223a40c8ecb0f279
Dec 13 07:22:35.467 INFO running `"docker" "start" "-a" "06536e746a20e21b28f5973dcd00646328aab35e0c1639a7223a40c8ecb0f279"`
Dec 13 07:22:36.767 INFO [stderr] usermod: no changes
Dec 13 07:22:36.879 INFO [stderr]    Compiling presentation v0.1.0 (/source)
Dec 13 07:22:38.237 INFO [stderr] warning: function is never used: `file_parse_verbose`
Dec 13 07:22:38.237 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Dec 13 07:22:38.238 INFO [stderr]    |
Dec 13 07:22:38.238 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Dec 13 07:22:38.238 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:22:38.238 INFO [stderr]    |
Dec 13 07:22:38.239 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:22:38.239 INFO [stderr] 
Dec 13 07:22:38.239 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Dec 13 07:22:38.240 INFO [stderr]   |
Dec 13 07:22:38.240 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 07:22:38.240 INFO [stderr] 
Dec 13 07:22:39.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
Dec 13 07:22:39.279 INFO [stderr] su: No module specific data is present
Dec 13 07:22:40.128 INFO running `"docker" "inspect" "06536e746a20e21b28f5973dcd00646328aab35e0c1639a7223a40c8ecb0f279"`
Dec 13 07:22:40.280 INFO running `"docker" "rm" "-f" "06536e746a20e21b28f5973dcd00646328aab35e0c1639a7223a40c8ecb0f279"`
Dec 13 07:22:40.417 INFO [stdout] 06536e746a20e21b28f5973dcd00646328aab35e0c1639a7223a40c8ecb0f279
Dec 13 07:22:40.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 07:22:40.674 INFO [stdout] 6d7d3023597cdfe51cffb7f8bd83842d4761a229b0fc58b29b9bb980ba328d16
Dec 13 07:22:40.676 INFO running `"docker" "start" "-a" "6d7d3023597cdfe51cffb7f8bd83842d4761a229b0fc58b29b9bb980ba328d16"`
Dec 13 07:22:41.344 INFO [stderr] usermod: no changes
Dec 13 07:22:41.391 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 07:22:41.403 INFO [stderr]      Running /target/debug/deps/1_linked_list-548dd20b3078130b
Dec 13 07:22:41.405 INFO [stdout] 
Dec 13 07:22:41.405 INFO [stdout] running 0 tests
Dec 13 07:22:41.405 INFO [stdout] 
Dec 13 07:22:41.405 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:22:41.405 INFO [stdout] 
Dec 13 07:22:41.405 INFO [stderr]      Running /target/debug/deps/2_generics-ab43c85ef80a80e4
Dec 13 07:22:41.407 INFO [stdout] 
Dec 13 07:22:41.407 INFO [stdout] running 0 tests
Dec 13 07:22:41.407 INFO [stdout] 
Dec 13 07:22:41.407 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:22:41.407 INFO [stdout] 
Dec 13 07:22:41.407 INFO [stderr]      Running /target/debug/deps/3_error_IO-29f0885eb83e2ce6
Dec 13 07:22:41.408 INFO [stdout] 
Dec 13 07:22:41.408 INFO [stdout] running 0 tests
Dec 13 07:22:41.408 INFO [stdout] 
Dec 13 07:22:41.408 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:22:41.408 INFO [stdout] 
Dec 13 07:22:41.409 INFO [stderr]      Running /target/debug/deps/4_traits-439fb53ab9f6d2d9
Dec 13 07:22:41.412 INFO [stdout] 
Dec 13 07:22:41.412 INFO [stdout] running 0 tests
Dec 13 07:22:41.412 INFO [stdout] 
Dec 13 07:22:41.412 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:22:41.412 INFO [stdout] 
Dec 13 07:22:41.412 INFO [stderr]      Running /target/debug/deps/5_closures_cacher-6e0feb2db43cd86a
Dec 13 07:22:41.414 INFO [stdout] 
Dec 13 07:22:41.414 INFO [stdout] running 0 tests
Dec 13 07:22:41.414 INFO [stdout] 
Dec 13 07:22:41.414 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:22:41.414 INFO [stdout] 
Dec 13 07:22:41.415 INFO [stderr] su: No module specific data is present
Dec 13 07:22:41.838 INFO running `"docker" "inspect" "6d7d3023597cdfe51cffb7f8bd83842d4761a229b0fc58b29b9bb980ba328d16"`
Dec 13 07:22:42.071 INFO running `"docker" "rm" "-f" "6d7d3023597cdfe51cffb7f8bd83842d4761a229b0fc58b29b9bb980ba328d16"`
Dec 13 07:22:42.348 INFO [stdout] 6d7d3023597cdfe51cffb7f8bd83842d4761a229b0fc58b29b9bb980ba328d16