Oct 12 22:33:26.906 INFO checking dlin94/CSAPP-Rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:33:26.906 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 22:33:27.445 INFO blam! 421d2c4df787f857eab35162203d2923576b6da7dbfac3406be935cfa8c5b65d
Oct 12 22:33:27.447 INFO running `"docker" "start" "-a" "421d2c4df787f857eab35162203d2923576b6da7dbfac3406be935cfa8c5b65d"`
Oct 12 22:33:28.186 INFO kablam! usermod: no changes
Oct 12 22:33:28.233 INFO kablam!     Checking csapp v0.1.0 (/source)
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `unsigned_decrement_infinite_loop`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/overflow.rs:17:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 17 | pub fn unsigned_decrement_infinite_loop() {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `uadd_ok`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/overflow.rs:34:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `tadd_ok`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/overflow.rs:47:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `tsub_ok`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/overflow.rs:66:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `tmult_ok`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/overflow.rs:85:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `tmult_ok_using_64_bit`
Oct 12 22:33:28.618 INFO kablam!    --> src/ch2/overflow.rs:102:1
Oct 12 22:33:28.618 INFO kablam!     |
Oct 12 22:33:28.618 INFO kablam! 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Oct 12 22:33:28.618 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `odd_ones`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/bit_mask.rs:20:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 20 | pub fn odd_ones(x: u32) -> u32 {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `leftmost_one`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/bit_mask.rs:55:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 55 | pub fn leftmost_one(x: u32) -> u32 {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: function is never used: `rotate_left`
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/bit_mask.rs:82:1
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Oct 12 22:33:28.618 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.618 INFO kablam! warning: comparison is useless due to type limits
Oct 12 22:33:28.618 INFO kablam!   --> src/ch2/overflow.rs:20:11
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam! 20 |     while i >= 0 { // Infinite loop!
Oct 12 22:33:28.618 INFO kablam!    |           ^^^^^^
Oct 12 22:33:28.618 INFO kablam!    |
Oct 12 22:33:28.618 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Oct 12 22:33:28.618 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `unsigned_decrement_infinite_loop`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/overflow.rs:17:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 17 | pub fn unsigned_decrement_infinite_loop() {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `uadd_ok`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/overflow.rs:34:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `tadd_ok`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/overflow.rs:47:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `tsub_ok`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/overflow.rs:66:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `tmult_ok`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/overflow.rs:85:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `tmult_ok_using_64_bit`
Oct 12 22:33:28.707 INFO kablam!    --> src/ch2/overflow.rs:102:1
Oct 12 22:33:28.707 INFO kablam!     |
Oct 12 22:33:28.707 INFO kablam! 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
Oct 12 22:33:28.707 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `odd_ones`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/bit_mask.rs:20:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 20 | pub fn odd_ones(x: u32) -> u32 {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.707 INFO kablam! 
Oct 12 22:33:28.707 INFO kablam! warning: function is never used: `leftmost_one`
Oct 12 22:33:28.707 INFO kablam!   --> src/ch2/bit_mask.rs:55:1
Oct 12 22:33:28.707 INFO kablam!    |
Oct 12 22:33:28.707 INFO kablam! 55 | pub fn leftmost_one(x: u32) -> u32 {
Oct 12 22:33:28.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.708 INFO kablam! 
Oct 12 22:33:28.708 INFO kablam! warning: function is never used: `rotate_left`
Oct 12 22:33:28.708 INFO kablam!   --> src/ch2/bit_mask.rs:82:1
Oct 12 22:33:28.708 INFO kablam!    |
Oct 12 22:33:28.708 INFO kablam! 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
Oct 12 22:33:28.708 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:33:28.708 INFO kablam! 
Oct 12 22:33:28.713 INFO kablam! warning: comparison is useless due to type limits
Oct 12 22:33:28.714 INFO kablam!   --> src/ch2/overflow.rs:20:11
Oct 12 22:33:28.714 INFO kablam!    |
Oct 12 22:33:28.714 INFO kablam! 20 |     while i >= 0 { // Infinite loop!
Oct 12 22:33:28.714 INFO kablam!    |           ^^^^^^
Oct 12 22:33:28.714 INFO kablam!    |
Oct 12 22:33:28.714 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Oct 12 22:33:28.714 INFO kablam! 
Oct 12 22:33:28.730 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Oct 12 22:33:28.738 INFO kablam! su: No module specific data is present
Oct 12 22:33:29.034 INFO running `"docker" "rm" "-f" "421d2c4df787f857eab35162203d2923576b6da7dbfac3406be935cfa8c5b65d"`
Oct 12 22:33:29.138 INFO blam! 421d2c4df787f857eab35162203d2923576b6da7dbfac3406be935cfa8c5b65d