Dec 13 23:43:10.916 INFO testing chrisshyi/kosarajuSCC against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 23:43:10.916 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 23:43:11.444 INFO [stdout] 6ad6bbb83820d2f8b8652cb89228c53b79894ee12fbe029538e6622f094848eb
Dec 13 23:43:11.451 INFO running `"docker" "start" "-a" "6ad6bbb83820d2f8b8652cb89228c53b79894ee12fbe029538e6622f094848eb"`
Dec 13 23:43:12.658 INFO [stderr] usermod: no changes
Dec 13 23:43:12.741 INFO [stderr]    Compiling kosarajuSCC v0.1.0 (/source)
Dec 13 23:43:13.235 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 13 23:43:13.235 INFO [stderr]   --> src/lib.rs:34:14
Dec 13 23:43:13.235 INFO [stderr]    |
Dec 13 23:43:13.235 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:13.235 INFO [stderr]    |              ^^^^^^^^^^
Dec 13 23:43:13.235 INFO [stderr]    |
Dec 13 23:43:13.235 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 13 23:43:13.235 INFO [stderr] 
Dec 13 23:43:13.235 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 13 23:43:13.235 INFO [stderr]   --> src/lib.rs:34:30
Dec 13 23:43:13.235 INFO [stderr]    |
Dec 13 23:43:13.235 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:13.235 INFO [stderr]    |                              ^^^^^^^^^^
Dec 13 23:43:13.235 INFO [stderr] 
Dec 13 23:43:13.235 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 13 23:43:13.235 INFO [stderr]    --> src/lib.rs:137:14
Dec 13 23:43:13.235 INFO [stderr]     |
Dec 13 23:43:13.235 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:13.235 INFO [stderr]     |              ^^^^^^^^^^
Dec 13 23:43:13.235 INFO [stderr] 
Dec 13 23:43:13.235 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 13 23:43:13.243 INFO [stderr]    --> src/lib.rs:137:30
Dec 13 23:43:13.243 INFO [stderr]     |
Dec 13 23:43:13.243 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:13.243 INFO [stderr]     |                              ^^^^^^^^^^
Dec 13 23:43:13.243 INFO [stderr] 
Dec 13 23:43:13.273 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 13 23:43:13.273 INFO [stderr]   |
Dec 13 23:43:13.273 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 23:43:13.273 INFO [stderr] 
Dec 13 23:43:14.740 INFO [stderr] warning: unused import: `std::fs::File`
Dec 13 23:43:14.740 INFO [stderr]  --> src/main.rs:2:5
Dec 13 23:43:14.740 INFO [stderr]   |
Dec 13 23:43:14.740 INFO [stderr] 2 | use std::fs::File;
Dec 13 23:43:14.740 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 23:43:14.740 INFO [stderr]   |
Dec 13 23:43:14.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 23:43:14.740 INFO [stderr] 
Dec 13 23:43:14.783 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 13 23:43:14.783 INFO [stderr]   |
Dec 13 23:43:14.783 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 23:43:14.783 INFO [stderr] 
Dec 13 23:43:15.570 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
Dec 13 23:43:15.577 INFO [stderr] su: No module specific data is present
Dec 13 23:43:16.228 INFO running `"docker" "inspect" "6ad6bbb83820d2f8b8652cb89228c53b79894ee12fbe029538e6622f094848eb"`
Dec 13 23:43:16.579 INFO running `"docker" "rm" "-f" "6ad6bbb83820d2f8b8652cb89228c53b79894ee12fbe029538e6622f094848eb"`
Dec 13 23:43:16.955 INFO [stdout] 6ad6bbb83820d2f8b8652cb89228c53b79894ee12fbe029538e6622f094848eb
Dec 13 23:43:16.957 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 23:43:17.575 INFO [stdout] 0cda54415a681c24704d12678c463cb12d05d32992531b74b73af0d9dcf549ff
Dec 13 23:43:17.577 INFO running `"docker" "start" "-a" "0cda54415a681c24704d12678c463cb12d05d32992531b74b73af0d9dcf549ff"`
Dec 13 23:43:18.767 INFO [stderr] usermod: no changes
Dec 13 23:43:18.828 INFO [stderr]    Compiling kosarajuSCC v0.1.0 (/source)
Dec 13 23:43:19.343 INFO [stderr] warning: unused import: `std::fs::File`
Dec 13 23:43:19.343 INFO [stderr]  --> src/main.rs:2:5
Dec 13 23:43:19.343 INFO [stderr]   |
Dec 13 23:43:19.343 INFO [stderr] 2 | use std::fs::File;
Dec 13 23:43:19.343 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 23:43:19.343 INFO [stderr]   |
Dec 13 23:43:19.343 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 23:43:19.343 INFO [stderr] 
Dec 13 23:43:19.383 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 13 23:43:19.383 INFO [stderr]   |
Dec 13 23:43:19.383 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 23:43:19.383 INFO [stderr] 
Dec 13 23:43:19.690 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 13 23:43:19.690 INFO [stderr]   --> src/lib.rs:34:14
Dec 13 23:43:19.690 INFO [stderr]    |
Dec 13 23:43:19.690 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:19.690 INFO [stderr]    |              ^^^^^^^^^^
Dec 13 23:43:19.690 INFO [stderr]    |
Dec 13 23:43:19.690 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 13 23:43:19.690 INFO [stderr] 
Dec 13 23:43:19.690 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 13 23:43:19.690 INFO [stderr]   --> src/lib.rs:34:30
Dec 13 23:43:19.690 INFO [stderr]    |
Dec 13 23:43:19.690 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:19.690 INFO [stderr]    |                              ^^^^^^^^^^
Dec 13 23:43:19.690 INFO [stderr] 
Dec 13 23:43:19.690 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 13 23:43:19.690 INFO [stderr]    --> src/lib.rs:137:14
Dec 13 23:43:19.690 INFO [stderr]     |
Dec 13 23:43:19.690 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:19.690 INFO [stderr]     |              ^^^^^^^^^^
Dec 13 23:43:19.690 INFO [stderr] 
Dec 13 23:43:19.690 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 13 23:43:19.690 INFO [stderr]    --> src/lib.rs:137:30
Dec 13 23:43:19.690 INFO [stderr]     |
Dec 13 23:43:19.690 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 13 23:43:19.690 INFO [stderr]     |                              ^^^^^^^^^^
Dec 13 23:43:19.690 INFO [stderr] 
Dec 13 23:43:19.747 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 13 23:43:19.747 INFO [stderr]   |
Dec 13 23:43:19.747 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 23:43:19.747 INFO [stderr] 
Dec 13 23:43:21.223 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
Dec 13 23:43:21.223 INFO [stderr] su: No module specific data is present
Dec 13 23:43:21.873 INFO running `"docker" "inspect" "0cda54415a681c24704d12678c463cb12d05d32992531b74b73af0d9dcf549ff"`
Dec 13 23:43:22.153 INFO running `"docker" "rm" "-f" "0cda54415a681c24704d12678c463cb12d05d32992531b74b73af0d9dcf549ff"`
Dec 13 23:43:22.475 INFO [stdout] 0cda54415a681c24704d12678c463cb12d05d32992531b74b73af0d9dcf549ff