[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dlin94/CSAPP-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dlin94/CSAPP-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dlin94/CSAPP-Rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dlin94/CSAPP-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dlin94/CSAPP-Rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dlin94/CSAPP-Rust/Cargo.toml
[INFO] crate dlin94/CSAPP-Rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dlin94/CSAPP-Rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dlin94/CSAPP-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 5a45e4cccc4d54d41091cd93ecf0dde149a6f1724b6d42009c62c7d6812f99b9
[INFO] running `"docker" "start" "-a" "5a45e4cccc4d54d41091cd93ecf0dde149a6f1724b6d42009c62c7d6812f99b9"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "5a45e4cccc4d54d41091cd93ecf0dde149a6f1724b6d42009c62c7d6812f99b9"`
[INFO] running `"docker" "rm" "-f" "5a45e4cccc4d54d41091cd93ecf0dde149a6f1724b6d42009c62c7d6812f99b9"`
[INFO] [stdout] 5a45e4cccc4d54d41091cd93ecf0dde149a6f1724b6d42009c62c7d6812f99b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dlin94/CSAPP-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 71ba35d88d14393d9bbb80f2dd2b466bb1128ab7669b906730f985f00006d8ba
[INFO] running `"docker" "start" "-a" "71ba35d88d14393d9bbb80f2dd2b466bb1128ab7669b906730f985f00006d8ba"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "71ba35d88d14393d9bbb80f2dd2b466bb1128ab7669b906730f985f00006d8ba"`
[INFO] running `"docker" "rm" "-f" "71ba35d88d14393d9bbb80f2dd2b466bb1128ab7669b906730f985f00006d8ba"`
[INFO] [stdout] 71ba35d88d14393d9bbb80f2dd2b466bb1128ab7669b906730f985f00006d8ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dlin94/CSAPP-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] e872b6be9ea389d6eb866242a8b84a51953b2c4a2e8b84a26c85e873036b6db1
[INFO] running `"docker" "start" "-a" "e872b6be9ea389d6eb866242a8b84a51953b2c4a2e8b84a26c85e873036b6db1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/csapp-38cc6e55764d4da6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e872b6be9ea389d6eb866242a8b84a51953b2c4a2e8b84a26c85e873036b6db1"`
[INFO] running `"docker" "rm" "-f" "e872b6be9ea389d6eb866242a8b84a51953b2c4a2e8b84a26c85e873036b6db1"`
[INFO] [stdout] e872b6be9ea389d6eb866242a8b84a51953b2c4a2e8b84a26c85e873036b6db1