Nov 28 06:28:03.094 INFO checking dlin94/CSAPP-Rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 06:28:03.094 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 28 06:28:03.447 INFO [stdout] 5a081e3bfbe5d5bffadb3bb2363673377d30547f5951467a7a480ffbf07caad4
Nov 28 06:28:03.449 INFO running `"docker" "start" "-a" "5a081e3bfbe5d5bffadb3bb2363673377d30547f5951467a7a480ffbf07caad4"`
Nov 28 06:28:04.441 INFO [stderr] usermod: no changes
Nov 28 06:28:04.504 INFO [stderr]     Checking csapp v0.1.0 (/source)
Nov 28 06:28:05.020 INFO [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
Nov 28 06:28:05.021 INFO [stderr]   --> src/ch2/overflow.rs:17:1
Nov 28 06:28:05.021 INFO [stderr]    |
Nov 28 06:28:05.021 INFO [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
Nov 28 06:28:05.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.021 INFO [stderr]    |
Nov 28 06:28:05.021 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 06:28:05.021 INFO [stderr] 
Nov 28 06:28:05.021 INFO [stderr] warning: function is never used: `uadd_ok`
Nov 28 06:28:05.021 INFO [stderr]   --> src/ch2/overflow.rs:34:1
Nov 28 06:28:05.021 INFO [stderr]    |
Nov 28 06:28:05.021 INFO [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Nov 28 06:28:05.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.021 INFO [stderr] 
Nov 28 06:28:05.021 INFO [stderr] warning: function is never used: `tadd_ok`
Nov 28 06:28:05.021 INFO [stderr]   --> src/ch2/overflow.rs:47:1
Nov 28 06:28:05.021 INFO [stderr]    |
Nov 28 06:28:05.021 INFO [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Nov 28 06:28:05.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.021 INFO [stderr] 
Nov 28 06:28:05.021 INFO [stderr] warning: function is never used: `tsub_ok`
Nov 28 06:28:05.021 INFO [stderr]   --> src/ch2/overflow.rs:66:1
Nov 28 06:28:05.021 INFO [stderr]    |
Nov 28 06:28:05.022 INFO [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Nov 28 06:28:05.022 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.022 INFO [stderr] 
Nov 28 06:28:05.022 INFO [stderr] warning: function is never used: `tmult_ok`
Nov 28 06:28:05.022 INFO [stderr]   --> src/ch2/overflow.rs:85:1
Nov 28 06:28:05.022 INFO [stderr]    |
Nov 28 06:28:05.022 INFO [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Nov 28 06:28:05.022 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.022 INFO [stderr] 
Nov 28 06:28:05.022 INFO [stderr] warning: function is never used: `tmult_ok_using_64_bit`
Nov 28 06:28:05.022 INFO [stderr]    --> src/ch2/overflow.rs:102:1
Nov 28 06:28:05.022 INFO [stderr]     |
Nov 28 06:28:05.022 INFO [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Nov 28 06:28:05.022 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.022 INFO [stderr] 
Nov 28 06:28:05.022 INFO [stderr] warning: function is never used: `odd_ones`
Nov 28 06:28:05.022 INFO [stderr]   --> src/ch2/bit_mask.rs:20:1
Nov 28 06:28:05.022 INFO [stderr]    |
Nov 28 06:28:05.022 INFO [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
Nov 28 06:28:05.022 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.022 INFO [stderr] 
Nov 28 06:28:05.022 INFO [stderr] warning: function is never used: `leftmost_one`
Nov 28 06:28:05.022 INFO [stderr]   --> src/ch2/bit_mask.rs:55:1
Nov 28 06:28:05.023 INFO [stderr]    |
Nov 28 06:28:05.023 INFO [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
Nov 28 06:28:05.023 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.023 INFO [stderr] 
Nov 28 06:28:05.023 INFO [stderr] warning: function is never used: `rotate_left`
Nov 28 06:28:05.023 INFO [stderr]   --> src/ch2/bit_mask.rs:82:1
Nov 28 06:28:05.023 INFO [stderr]    |
Nov 28 06:28:05.023 INFO [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Nov 28 06:28:05.023 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.023 INFO [stderr] 
Nov 28 06:28:05.023 INFO [stderr] warning: comparison is useless due to type limits
Nov 28 06:28:05.023 INFO [stderr]   --> src/ch2/overflow.rs:20:11
Nov 28 06:28:05.023 INFO [stderr]    |
Nov 28 06:28:05.023 INFO [stderr] 20 |     while i >= 0 { // Infinite loop!
Nov 28 06:28:05.023 INFO [stderr]    |           ^^^^^^
Nov 28 06:28:05.023 INFO [stderr]    |
Nov 28 06:28:05.023 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Nov 28 06:28:05.023 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/overflow.rs:17:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `uadd_ok`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/overflow.rs:34:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `tadd_ok`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/overflow.rs:47:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `tsub_ok`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/overflow.rs:66:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `tmult_ok`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/overflow.rs:85:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `tmult_ok_using_64_bit`
Nov 28 06:28:05.158 INFO [stderr]    --> src/ch2/overflow.rs:102:1
Nov 28 06:28:05.158 INFO [stderr]     |
Nov 28 06:28:05.158 INFO [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Nov 28 06:28:05.158 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `odd_ones`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/bit_mask.rs:20:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `leftmost_one`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/bit_mask.rs:55:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: function is never used: `rotate_left`
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/bit_mask.rs:82:1
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Nov 28 06:28:05.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.158 INFO [stderr] warning: comparison is useless due to type limits
Nov 28 06:28:05.158 INFO [stderr]   --> src/ch2/overflow.rs:20:11
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr] 20 |     while i >= 0 { // Infinite loop!
Nov 28 06:28:05.158 INFO [stderr]    |           ^^^^^^
Nov 28 06:28:05.158 INFO [stderr]    |
Nov 28 06:28:05.158 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Nov 28 06:28:05.158 INFO [stderr] 
Nov 28 06:28:05.216 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Nov 28 06:28:05.217 INFO [stderr] su: No module specific data is present
Nov 28 06:28:05.879 INFO running `"docker" "inspect" "5a081e3bfbe5d5bffadb3bb2363673377d30547f5951467a7a480ffbf07caad4"`
Nov 28 06:28:06.170 INFO running `"docker" "rm" "-f" "5a081e3bfbe5d5bffadb3bb2363673377d30547f5951467a7a480ffbf07caad4"`
Nov 28 06:28:06.417 INFO [stdout] 5a081e3bfbe5d5bffadb3bb2363673377d30547f5951467a7a480ffbf07caad4