Dec 01 21:39:50.916 INFO testing chrisshyi/kosarajuSCC against 1.30.1 for beta-1.31-5
Dec 01 21:39:50.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 21:39:51.475 INFO [stdout] 562b62b8aecc2664317ca2454b37bb8d0b6f8223c4b1dcbe2f48b979824c0362
Dec 01 21:39:51.477 INFO running `"docker" "start" "-a" "562b62b8aecc2664317ca2454b37bb8d0b6f8223c4b1dcbe2f48b979824c0362"`
Dec 01 21:39:52.775 INFO [stderr] usermod: no changes
Dec 01 21:39:52.813 INFO [stderr]    Compiling kosarajuSCC v0.1.0 (/source)
Dec 01 21:39:53.283 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 01 21:39:53.283 INFO [stderr]   --> src/lib.rs:34:14
Dec 01 21:39:53.283 INFO [stderr]    |
Dec 01 21:39:53.283 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:53.283 INFO [stderr]    |              ^^^^^^^^^^
Dec 01 21:39:53.283 INFO [stderr]    |
Dec 01 21:39:53.283 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 01 21:39:53.283 INFO [stderr] 
Dec 01 21:39:53.283 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 01 21:39:53.283 INFO [stderr]   --> src/lib.rs:34:30
Dec 01 21:39:53.283 INFO [stderr]    |
Dec 01 21:39:53.283 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:53.283 INFO [stderr]    |                              ^^^^^^^^^^
Dec 01 21:39:53.283 INFO [stderr] 
Dec 01 21:39:53.283 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 01 21:39:53.283 INFO [stderr]    --> src/lib.rs:137:14
Dec 01 21:39:53.283 INFO [stderr]     |
Dec 01 21:39:53.283 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:53.283 INFO [stderr]     |              ^^^^^^^^^^
Dec 01 21:39:53.283 INFO [stderr] 
Dec 01 21:39:53.283 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 01 21:39:53.283 INFO [stderr]    --> src/lib.rs:137:30
Dec 01 21:39:53.283 INFO [stderr]     |
Dec 01 21:39:53.283 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:53.283 INFO [stderr]     |                              ^^^^^^^^^^
Dec 01 21:39:53.283 INFO [stderr] 
Dec 01 21:39:53.299 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 01 21:39:53.299 INFO [stderr]   |
Dec 01 21:39:53.299 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 01 21:39:53.299 INFO [stderr] 
Dec 01 21:39:54.651 INFO [stderr] warning: unused import: `std::fs::File`
Dec 01 21:39:54.651 INFO [stderr]  --> src/main.rs:2:5
Dec 01 21:39:54.651 INFO [stderr]   |
Dec 01 21:39:54.651 INFO [stderr] 2 | use std::fs::File;
Dec 01 21:39:54.651 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 21:39:54.651 INFO [stderr]   |
Dec 01 21:39:54.651 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 21:39:54.651 INFO [stderr] 
Dec 01 21:39:54.695 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 01 21:39:54.695 INFO [stderr]   |
Dec 01 21:39:54.695 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 01 21:39:54.695 INFO [stderr] 
Dec 01 21:39:55.519 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Dec 01 21:39:55.527 INFO [stderr] su: No module specific data is present
Dec 01 21:39:56.206 INFO running `"docker" "inspect" "562b62b8aecc2664317ca2454b37bb8d0b6f8223c4b1dcbe2f48b979824c0362"`
Dec 01 21:39:56.461 INFO running `"docker" "rm" "-f" "562b62b8aecc2664317ca2454b37bb8d0b6f8223c4b1dcbe2f48b979824c0362"`
Dec 01 21:39:56.883 INFO [stdout] 562b62b8aecc2664317ca2454b37bb8d0b6f8223c4b1dcbe2f48b979824c0362
Dec 01 21:39:56.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 21:39:57.446 INFO [stdout] 2cd88de8b26e3e1f47c0310b78d502e4da92bb2aff01ca534a1e30abb91715f3
Dec 01 21:39:57.453 INFO running `"docker" "start" "-a" "2cd88de8b26e3e1f47c0310b78d502e4da92bb2aff01ca534a1e30abb91715f3"`
Dec 01 21:39:58.503 INFO [stderr] usermod: no changes
Dec 01 21:39:58.599 INFO [stderr]    Compiling kosarajuSCC v0.1.0 (/source)
Dec 01 21:39:59.403 INFO [stderr] warning: unused import: `std::fs::File`
Dec 01 21:39:59.403 INFO [stderr]  --> src/main.rs:2:5
Dec 01 21:39:59.403 INFO [stderr]   |
Dec 01 21:39:59.403 INFO [stderr] 2 | use std::fs::File;
Dec 01 21:39:59.403 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 21:39:59.403 INFO [stderr]   |
Dec 01 21:39:59.403 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 21:39:59.403 INFO [stderr] 
Dec 01 21:39:59.443 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 01 21:39:59.443 INFO [stderr]   |
Dec 01 21:39:59.443 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 01 21:39:59.443 INFO [stderr] 
Dec 01 21:39:59.779 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 01 21:39:59.779 INFO [stderr]   --> src/lib.rs:34:14
Dec 01 21:39:59.779 INFO [stderr]    |
Dec 01 21:39:59.779 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:59.779 INFO [stderr]    |              ^^^^^^^^^^
Dec 01 21:39:59.779 INFO [stderr]    |
Dec 01 21:39:59.779 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 01 21:39:59.779 INFO [stderr] 
Dec 01 21:39:59.779 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 01 21:39:59.779 INFO [stderr]   --> src/lib.rs:34:30
Dec 01 21:39:59.779 INFO [stderr]    |
Dec 01 21:39:59.779 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:59.779 INFO [stderr]    |                              ^^^^^^^^^^
Dec 01 21:39:59.779 INFO [stderr] 
Dec 01 21:39:59.779 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 01 21:39:59.779 INFO [stderr]    --> src/lib.rs:137:14
Dec 01 21:39:59.779 INFO [stderr]     |
Dec 01 21:39:59.779 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:59.779 INFO [stderr]     |              ^^^^^^^^^^
Dec 01 21:39:59.779 INFO [stderr] 
Dec 01 21:39:59.779 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 01 21:39:59.779 INFO [stderr]    --> src/lib.rs:137:30
Dec 01 21:39:59.779 INFO [stderr]     |
Dec 01 21:39:59.779 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 01 21:39:59.779 INFO [stderr]     |                              ^^^^^^^^^^
Dec 01 21:39:59.779 INFO [stderr] 
Dec 01 21:39:59.831 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 01 21:39:59.831 INFO [stderr]   |
Dec 01 21:39:59.831 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 01 21:39:59.831 INFO [stderr] 
Dec 01 21:40:01.259 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Dec 01 21:40:01.267 INFO [stderr] su: No module specific data is present
Dec 01 21:40:01.887 INFO running `"docker" "inspect" "2cd88de8b26e3e1f47c0310b78d502e4da92bb2aff01ca534a1e30abb91715f3"`
Dec 01 21:40:02.169 INFO running `"docker" "rm" "-f" "2cd88de8b26e3e1f47c0310b78d502e4da92bb2aff01ca534a1e30abb91715f3"`
Dec 01 21:40:02.459 INFO [stdout] 2cd88de8b26e3e1f47c0310b78d502e4da92bb2aff01ca534a1e30abb91715f3
