Dec 13 21:15:15.731 INFO testing dlin94/CSAPP-Rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 21:15:15.731 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:15:16.138 INFO [stdout] 7d605553296a692fc35d33cc9779c1afc5fd52d1fcb9d0887bb3a4cddf06f743
Dec 13 21:15:16.141 INFO running `"docker" "start" "-a" "7d605553296a692fc35d33cc9779c1afc5fd52d1fcb9d0887bb3a4cddf06f743"`
Dec 13 21:15:16.959 INFO [stderr] usermod: no changes
Dec 13 21:15:17.004 INFO [stderr]    Compiling csapp v0.1.0 (/source)
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
Dec 13 21:15:17.367 INFO [stderr]   --> src/ch2/overflow.rs:17:1
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
Dec 13 21:15:17.367 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `uadd_ok`
Dec 13 21:15:17.367 INFO [stderr]   --> src/ch2/overflow.rs:34:1
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Dec 13 21:15:17.367 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `tadd_ok`
Dec 13 21:15:17.367 INFO [stderr]   --> src/ch2/overflow.rs:47:1
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:17.367 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `tsub_ok`
Dec 13 21:15:17.367 INFO [stderr]   --> src/ch2/overflow.rs:66:1
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:17.367 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `tmult_ok`
Dec 13 21:15:17.367 INFO [stderr]   --> src/ch2/overflow.rs:85:1
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:17.367 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `tmult_ok_using_64_bit`
Dec 13 21:15:17.367 INFO [stderr]    --> src/ch2/overflow.rs:102:1
Dec 13 21:15:17.367 INFO [stderr]     |
Dec 13 21:15:17.367 INFO [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Dec 13 21:15:17.367 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `odd_ones`
Dec 13 21:15:17.367 INFO [stderr]   --> src/ch2/bit_mask.rs:20:1
Dec 13 21:15:17.367 INFO [stderr]    |
Dec 13 21:15:17.367 INFO [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
Dec 13 21:15:17.367 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.367 INFO [stderr] 
Dec 13 21:15:17.367 INFO [stderr] warning: function is never used: `leftmost_one`
Dec 13 21:15:17.368 INFO [stderr]   --> src/ch2/bit_mask.rs:55:1
Dec 13 21:15:17.368 INFO [stderr]    |
Dec 13 21:15:17.368 INFO [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
Dec 13 21:15:17.368 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.368 INFO [stderr] 
Dec 13 21:15:17.368 INFO [stderr] warning: function is never used: `rotate_left`
Dec 13 21:15:17.368 INFO [stderr]   --> src/ch2/bit_mask.rs:82:1
Dec 13 21:15:17.368 INFO [stderr]    |
Dec 13 21:15:17.368 INFO [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Dec 13 21:15:17.368 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:17.368 INFO [stderr] 
Dec 13 21:15:17.368 INFO [stderr] warning: comparison is useless due to type limits
Dec 13 21:15:17.368 INFO [stderr]   --> src/ch2/overflow.rs:20:11
Dec 13 21:15:17.368 INFO [stderr]    |
Dec 13 21:15:17.368 INFO [stderr] 20 |     while i >= 0 { // Infinite loop!
Dec 13 21:15:17.368 INFO [stderr]    |           ^^^^^^
Dec 13 21:15:17.368 INFO [stderr]    |
Dec 13 21:15:17.368 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 13 21:15:17.368 INFO [stderr] 
Dec 13 21:15:17.586 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 13 21:15:17.587 INFO [stderr] su: No module specific data is present
Dec 13 21:15:18.001 INFO running `"docker" "inspect" "7d605553296a692fc35d33cc9779c1afc5fd52d1fcb9d0887bb3a4cddf06f743"`
Dec 13 21:15:18.237 INFO running `"docker" "rm" "-f" "7d605553296a692fc35d33cc9779c1afc5fd52d1fcb9d0887bb3a4cddf06f743"`
Dec 13 21:15:18.463 INFO [stdout] 7d605553296a692fc35d33cc9779c1afc5fd52d1fcb9d0887bb3a4cddf06f743
Dec 13 21:15:18.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:15:18.839 INFO [stdout] 8e8157e05908454155f73f1e2ce02da234b08610b84bf4875d5dfdf0a83cebb9
Dec 13 21:15:18.843 INFO running `"docker" "start" "-a" "8e8157e05908454155f73f1e2ce02da234b08610b84bf4875d5dfdf0a83cebb9"`
Dec 13 21:15:19.576 INFO [stderr] usermod: no changes
Dec 13 21:15:19.610 INFO [stderr]    Compiling csapp v0.1.0 (/source)
Dec 13 21:15:20.095 INFO [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
Dec 13 21:15:20.095 INFO [stderr]   --> src/ch2/overflow.rs:17:1
Dec 13 21:15:20.095 INFO [stderr]    |
Dec 13 21:15:20.095 INFO [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
Dec 13 21:15:20.095 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.095 INFO [stderr]    |
Dec 13 21:15:20.095 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `uadd_ok`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/overflow.rs:34:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `tadd_ok`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/overflow.rs:47:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `tsub_ok`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/overflow.rs:66:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `tmult_ok`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/overflow.rs:85:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `tmult_ok_using_64_bit`
Dec 13 21:15:20.096 INFO [stderr]    --> src/ch2/overflow.rs:102:1
Dec 13 21:15:20.096 INFO [stderr]     |
Dec 13 21:15:20.096 INFO [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Dec 13 21:15:20.096 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `odd_ones`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/bit_mask.rs:20:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `leftmost_one`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/bit_mask.rs:55:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: function is never used: `rotate_left`
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/bit_mask.rs:82:1
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Dec 13 21:15:20.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.096 INFO [stderr] warning: comparison is useless due to type limits
Dec 13 21:15:20.096 INFO [stderr]   --> src/ch2/overflow.rs:20:11
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr] 20 |     while i >= 0 { // Infinite loop!
Dec 13 21:15:20.096 INFO [stderr]    |           ^^^^^^
Dec 13 21:15:20.096 INFO [stderr]    |
Dec 13 21:15:20.096 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 13 21:15:20.096 INFO [stderr] 
Dec 13 21:15:20.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 13 21:15:20.417 INFO [stderr] su: No module specific data is present
Dec 13 21:15:21.071 INFO running `"docker" "inspect" "8e8157e05908454155f73f1e2ce02da234b08610b84bf4875d5dfdf0a83cebb9"`
Dec 13 21:15:21.351 INFO running `"docker" "rm" "-f" "8e8157e05908454155f73f1e2ce02da234b08610b84bf4875d5dfdf0a83cebb9"`
Dec 13 21:15:21.646 INFO [stdout] 8e8157e05908454155f73f1e2ce02da234b08610b84bf4875d5dfdf0a83cebb9
Dec 13 21:15:21.652 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:15:22.091 INFO [stdout] 80a1d3741e2011e4a85142a6ef77600e50a6a172c4a880186c877fc08ea6ac98
Dec 13 21:15:22.099 INFO running `"docker" "start" "-a" "80a1d3741e2011e4a85142a6ef77600e50a6a172c4a880186c877fc08ea6ac98"`
Dec 13 21:15:23.235 INFO [stderr] usermod: no changes
Dec 13 21:15:23.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 13 21:15:23.312 INFO [stdout] 
Dec 13 21:15:23.312 INFO [stdout] running 0 tests
Dec 13 21:15:23.312 INFO [stdout] 
Dec 13 21:15:23.312 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 21:15:23.312 INFO [stdout] 
Dec 13 21:15:23.312 INFO [stderr]      Running /target/debug/deps/csapp-7fb2e6677f45eab1
Dec 13 21:15:23.315 INFO [stderr] su: No module specific data is present
Dec 13 21:15:23.994 INFO running `"docker" "inspect" "80a1d3741e2011e4a85142a6ef77600e50a6a172c4a880186c877fc08ea6ac98"`
Dec 13 21:15:24.229 INFO running `"docker" "rm" "-f" "80a1d3741e2011e4a85142a6ef77600e50a6a172c4a880186c877fc08ea6ac98"`
Dec 13 21:15:24.490 INFO [stdout] 80a1d3741e2011e4a85142a6ef77600e50a6a172c4a880186c877fc08ea6ac98