[INFO] updating cached repository dlin94/CSAPP-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dlin94/CSAPP-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dlin94/CSAPP-Rust" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/dlin94/CSAPP-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/dlin94/CSAPP-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dlin94/CSAPP-Rust" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/dlin94/CSAPP-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/dlin94/CSAPP-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e421ca826c51fe665f53136412a0cfe7d2c0a4b
[INFO] sha for GitHub repo dlin94/CSAPP-Rust: 1e421ca826c51fe665f53136412a0cfe7d2c0a4b
[INFO] validating manifest of dlin94/CSAPP-Rust on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dlin94/CSAPP-Rust on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dlin94/CSAPP-Rust
[INFO] finished frobbing dlin94/CSAPP-Rust
[INFO] frobbed toml for dlin94/CSAPP-Rust written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/dlin94/CSAPP-Rust/Cargo.toml
[INFO] started frobbing dlin94/CSAPP-Rust
[INFO] finished frobbing dlin94/CSAPP-Rust
[INFO] frobbed toml for dlin94/CSAPP-Rust written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/dlin94/CSAPP-Rust/Cargo.toml
[INFO] crate dlin94/CSAPP-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dlin94/CSAPP-Rust against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/dlin94/CSAPP-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c4e063aa030893f5935fef4a99356c53ff9f4e666ce3fa8984ef9ea366cf0cc
[INFO] running `"docker" "start" "-a" "7c4e063aa030893f5935fef4a99356c53ff9f4e666ce3fa8984ef9ea366cf0cc"`
[INFO] [stderr]     Checking csapp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
[INFO] [stderr]   --> src/ch2/overflow.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `uadd_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tadd_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tsub_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tmult_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tmult_ok_using_64_bit`
[INFO] [stderr]    --> src/ch2/overflow.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `odd_ones`
[INFO] [stderr]   --> src/ch2/bit_mask.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `leftmost_one`
[INFO] [stderr]   --> src/ch2/bit_mask.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_left`
[INFO] [stderr]   --> src/ch2/bit_mask.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/ch2/overflow.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |     while i >= 0 { // Infinite loop!
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unsigned_decrement_infinite_loop`
[INFO] [stderr]   --> src/ch2/overflow.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn unsigned_decrement_infinite_loop() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `uadd_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn uadd_ok(x: u32, y: u32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tadd_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn tadd_ok(x: i32, y: i32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tsub_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn tsub_ok(x: i32, y: i32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tmult_ok`
[INFO] [stderr]   --> src/ch2/overflow.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn tmult_ok(x: i32, y: i32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tmult_ok_using_64_bit`
[INFO] [stderr]    --> src/ch2/overflow.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn tmult_ok_using_64_bit(x: i32, y: i32) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `odd_ones`
[INFO] [stderr]   --> src/ch2/bit_mask.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn odd_ones(x: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `leftmost_one`
[INFO] [stderr]   --> src/ch2/bit_mask.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn leftmost_one(x: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_left`
[INFO] [stderr]   --> src/ch2/bit_mask.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub fn rotate_left(x: u32, n: i32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/ch2/overflow.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |     while i >= 0 { // Infinite loop!
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "7c4e063aa030893f5935fef4a99356c53ff9f4e666ce3fa8984ef9ea366cf0cc"`
[INFO] running `"docker" "rm" "-f" "7c4e063aa030893f5935fef4a99356c53ff9f4e666ce3fa8984ef9ea366cf0cc"`
[INFO] [stdout] 7c4e063aa030893f5935fef4a99356c53ff9f4e666ce3fa8984ef9ea366cf0cc