Dec 13 21:15:15.916 INFO testing dlin94/CSAPP-Rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 21:15:15.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 21:15:16.257 INFO [stdout] af7ab9d9cb314864cc3095241ff99c894e7d8cad7535968667c8c68602f53768
Dec 13 21:15:16.260 INFO running `"docker" "start" "-a" "af7ab9d9cb314864cc3095241ff99c894e7d8cad7535968667c8c68602f53768"`
Dec 13 21:15:17.123 INFO [stderr] usermod: no changes
Dec 13 21:15:17.166 INFO [stderr]    Compiling csapp v0.1.0 (/source)
Dec 13 21:15:17.553 INFO [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
Dec 13 21:15:17.553 INFO [stderr]   --> src/ch2/overflow.rs:17:1
Dec 13 21:15:17.553 INFO [stderr]    |
Dec 13 21:15:17.553 INFO [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
Dec 13 21:15:17.553 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.553 INFO [stderr]    |
Dec 13 21:15:17.553 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 21:15:17.553 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `uadd_ok`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/overflow.rs:34:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `tadd_ok`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/overflow.rs:47:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `tsub_ok`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/overflow.rs:66:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `tmult_ok`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/overflow.rs:85:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `tmult_ok_using_64_bit`
Dec 13 21:15:17.554 INFO [stderr]    --> src/ch2/overflow.rs:102:1
Dec 13 21:15:17.554 INFO [stderr]     |
Dec 13 21:15:17.554 INFO [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Dec 13 21:15:17.554 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `odd_ones`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/bit_mask.rs:20:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `leftmost_one`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/bit_mask.rs:55:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: function is never used: `rotate_left`
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/bit_mask.rs:82:1
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Dec 13 21:15:17.554 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.554 INFO [stderr] warning: comparison is useless due to type limits
Dec 13 21:15:17.554 INFO [stderr]   --> src/ch2/overflow.rs:20:11
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr] 20 |     while i >= 0 { // Infinite loop!
Dec 13 21:15:17.554 INFO [stderr]    |           ^^^^^^
Dec 13 21:15:17.554 INFO [stderr]    |
Dec 13 21:15:17.554 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 13 21:15:17.554 INFO [stderr] 
Dec 13 21:15:17.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 13 21:15:17.768 INFO [stderr] su: No module specific data is present
Dec 13 21:15:18.232 INFO running `"docker" "inspect" "af7ab9d9cb314864cc3095241ff99c894e7d8cad7535968667c8c68602f53768"`
Dec 13 21:15:18.474 INFO running `"docker" "rm" "-f" "af7ab9d9cb314864cc3095241ff99c894e7d8cad7535968667c8c68602f53768"`
Dec 13 21:15:18.661 INFO [stdout] af7ab9d9cb314864cc3095241ff99c894e7d8cad7535968667c8c68602f53768
Dec 13 21:15:18.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 21:15:18.991 INFO [stdout] 1c0491113e7f5c3ff97a1c5c531e7c7f2ed034ddad51969d42257869ce66305d
Dec 13 21:15:18.996 INFO running `"docker" "start" "-a" "1c0491113e7f5c3ff97a1c5c531e7c7f2ed034ddad51969d42257869ce66305d"`
Dec 13 21:15:19.589 INFO [stderr] usermod: no changes
Dec 13 21:15:19.635 INFO [stderr]    Compiling csapp v0.1.0 (/source)
Dec 13 21:15:20.110 INFO [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
Dec 13 21:15:20.110 INFO [stderr]   --> src/ch2/overflow.rs:17:1
Dec 13 21:15:20.110 INFO [stderr]    |
Dec 13 21:15:20.110 INFO [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
Dec 13 21:15:20.110 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.110 INFO [stderr]    |
Dec 13 21:15:20.110 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 21:15:20.110 INFO [stderr] 
Dec 13 21:15:20.110 INFO [stderr] warning: function is never used: `uadd_ok`
Dec 13 21:15:20.110 INFO [stderr]   --> src/ch2/overflow.rs:34:1
Dec 13 21:15:20.110 INFO [stderr]    |
Dec 13 21:15:20.110 INFO [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Dec 13 21:15:20.110 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.110 INFO [stderr] 
Dec 13 21:15:20.110 INFO [stderr] warning: function is never used: `tadd_ok`
Dec 13 21:15:20.110 INFO [stderr]   --> src/ch2/overflow.rs:47:1
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:20.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: function is never used: `tsub_ok`
Dec 13 21:15:20.111 INFO [stderr]   --> src/ch2/overflow.rs:66:1
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:20.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: function is never used: `tmult_ok`
Dec 13 21:15:20.111 INFO [stderr]   --> src/ch2/overflow.rs:85:1
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:20.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: function is never used: `tmult_ok_using_64_bit`
Dec 13 21:15:20.111 INFO [stderr]    --> src/ch2/overflow.rs:102:1
Dec 13 21:15:20.111 INFO [stderr]     |
Dec 13 21:15:20.111 INFO [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Dec 13 21:15:20.111 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: function is never used: `odd_ones`
Dec 13 21:15:20.111 INFO [stderr]   --> src/ch2/bit_mask.rs:20:1
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
Dec 13 21:15:20.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: function is never used: `leftmost_one`
Dec 13 21:15:20.111 INFO [stderr]   --> src/ch2/bit_mask.rs:55:1
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
Dec 13 21:15:20.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: function is never used: `rotate_left`
Dec 13 21:15:20.111 INFO [stderr]   --> src/ch2/bit_mask.rs:82:1
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Dec 13 21:15:20.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.111 INFO [stderr] warning: comparison is useless due to type limits
Dec 13 21:15:20.111 INFO [stderr]   --> src/ch2/overflow.rs:20:11
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr] 20 |     while i >= 0 { // Infinite loop!
Dec 13 21:15:20.111 INFO [stderr]    |           ^^^^^^
Dec 13 21:15:20.111 INFO [stderr]    |
Dec 13 21:15:20.111 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 13 21:15:20.111 INFO [stderr] 
Dec 13 21:15:20.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 13 21:15:20.519 INFO [stderr] su: No module specific data is present
Dec 13 21:15:21.245 INFO running `"docker" "inspect" "1c0491113e7f5c3ff97a1c5c531e7c7f2ed034ddad51969d42257869ce66305d"`
Dec 13 21:15:21.518 INFO running `"docker" "rm" "-f" "1c0491113e7f5c3ff97a1c5c531e7c7f2ed034ddad51969d42257869ce66305d"`
Dec 13 21:15:21.781 INFO [stdout] 1c0491113e7f5c3ff97a1c5c531e7c7f2ed034ddad51969d42257869ce66305d
Dec 13 21:15:21.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 21:15:22.166 INFO [stdout] 89e9200bef8acd55402fefaeb236507460d45472625261ecebb6196d0401d5b3
Dec 13 21:15:22.171 INFO running `"docker" "start" "-a" "89e9200bef8acd55402fefaeb236507460d45472625261ecebb6196d0401d5b3"`
Dec 13 21:15:23.278 INFO [stderr] usermod: no changes
Dec 13 21:15:23.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 13 21:15:23.355 INFO [stderr]      Running /target/debug/deps/csapp-51ae1af1c374c068
Dec 13 21:15:23.360 INFO [stdout] 
Dec 13 21:15:23.360 INFO [stdout] running 0 tests
Dec 13 21:15:23.360 INFO [stdout] 
Dec 13 21:15:23.360 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 21:15:23.360 INFO [stdout] 
Dec 13 21:15:23.368 INFO [stderr] su: No module specific data is present
Dec 13 21:15:24.004 INFO running `"docker" "inspect" "89e9200bef8acd55402fefaeb236507460d45472625261ecebb6196d0401d5b3"`
Dec 13 21:15:24.277 INFO running `"docker" "rm" "-f" "89e9200bef8acd55402fefaeb236507460d45472625261ecebb6196d0401d5b3"`
Dec 13 21:15:24.507 INFO [stdout] 89e9200bef8acd55402fefaeb236507460d45472625261ecebb6196d0401d5b3