Dec 04 20:58:06.283 INFO checking chrisshyi/kosarajuSCC against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:58:06.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 20:58:06.755 INFO [stdout] b75f8344c75950856961335c39c139c17af4b1c432217b540a8e8af69f59d2d8
Dec 04 20:58:06.760 INFO running `"docker" "start" "-a" "b75f8344c75950856961335c39c139c17af4b1c432217b540a8e8af69f59d2d8"`
Dec 04 20:58:08.126 INFO [stderr] usermod: no changes
Dec 04 20:58:08.179 INFO [stderr]     Checking kosarajuSCC v0.1.0 (/source)
Dec 04 20:58:08.787 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 04 20:58:08.787 INFO [stderr]   --> src/lib.rs:34:14
Dec 04 20:58:08.787 INFO [stderr]    |
Dec 04 20:58:08.787 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:08.787 INFO [stderr]    |              ^^^^^^^^^^
Dec 04 20:58:08.787 INFO [stderr]    |
Dec 04 20:58:08.787 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 20:58:08.787 INFO [stderr] 
Dec 04 20:58:08.787 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 04 20:58:08.787 INFO [stderr]   --> src/lib.rs:34:30
Dec 04 20:58:08.787 INFO [stderr]    |
Dec 04 20:58:08.787 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:08.787 INFO [stderr]    |                              ^^^^^^^^^^
Dec 04 20:58:08.787 INFO [stderr] 
Dec 04 20:58:08.787 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 04 20:58:08.787 INFO [stderr]    --> src/lib.rs:137:14
Dec 04 20:58:08.787 INFO [stderr]     |
Dec 04 20:58:08.787 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:08.787 INFO [stderr]     |              ^^^^^^^^^^
Dec 04 20:58:08.787 INFO [stderr] 
Dec 04 20:58:08.787 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 04 20:58:08.787 INFO [stderr]    --> src/lib.rs:137:30
Dec 04 20:58:08.787 INFO [stderr]     |
Dec 04 20:58:08.787 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:08.787 INFO [stderr]     |                              ^^^^^^^^^^
Dec 04 20:58:08.787 INFO [stderr] 
Dec 04 20:58:08.799 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 04 20:58:08.799 INFO [stderr]   |
Dec 04 20:58:08.799 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 20:58:08.799 INFO [stderr] 
Dec 04 20:58:09.027 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 04 20:58:09.027 INFO [stderr]   --> src/lib.rs:34:14
Dec 04 20:58:09.027 INFO [stderr]    |
Dec 04 20:58:09.027 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:09.027 INFO [stderr]    |              ^^^^^^^^^^
Dec 04 20:58:09.027 INFO [stderr]    |
Dec 04 20:58:09.027 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 20:58:09.027 INFO [stderr] 
Dec 04 20:58:09.027 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 04 20:58:09.027 INFO [stderr]   --> src/lib.rs:34:30
Dec 04 20:58:09.027 INFO [stderr]    |
Dec 04 20:58:09.027 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:09.027 INFO [stderr]    |                              ^^^^^^^^^^
Dec 04 20:58:09.027 INFO [stderr] 
Dec 04 20:58:09.027 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Dec 04 20:58:09.027 INFO [stderr]    --> src/lib.rs:137:14
Dec 04 20:58:09.027 INFO [stderr]     |
Dec 04 20:58:09.027 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:09.027 INFO [stderr]     |              ^^^^^^^^^^
Dec 04 20:58:09.027 INFO [stderr] 
Dec 04 20:58:09.027 INFO [stderr] warning: value assigned to `head_vertx` is never read
Dec 04 20:58:09.027 INFO [stderr]    --> src/lib.rs:137:30
Dec 04 20:58:09.027 INFO [stderr]     |
Dec 04 20:58:09.027 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Dec 04 20:58:09.027 INFO [stderr]     |                              ^^^^^^^^^^
Dec 04 20:58:09.027 INFO [stderr] 
Dec 04 20:58:09.135 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 04 20:58:09.135 INFO [stderr]   |
Dec 04 20:58:09.135 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 20:58:09.135 INFO [stderr] 
Dec 04 20:58:09.340 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 20:58:09.340 INFO [stderr]  --> src/main.rs:2:5
Dec 04 20:58:09.340 INFO [stderr]   |
Dec 04 20:58:09.340 INFO [stderr] 2 | use std::fs::File;
Dec 04 20:58:09.340 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 20:58:09.340 INFO [stderr]   |
Dec 04 20:58:09.347 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:58:09.347 INFO [stderr] 
Dec 04 20:58:09.431 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 04 20:58:09.431 INFO [stderr]   |
Dec 04 20:58:09.431 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 20:58:09.431 INFO [stderr] 
Dec 04 20:58:09.719 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 20:58:09.719 INFO [stderr]  --> src/main.rs:2:5
Dec 04 20:58:09.719 INFO [stderr]   |
Dec 04 20:58:09.719 INFO [stderr] 2 | use std::fs::File;
Dec 04 20:58:09.719 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 20:58:09.719 INFO [stderr]   |
Dec 04 20:58:09.719 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:58:09.719 INFO [stderr] 
Dec 04 20:58:09.758 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Dec 04 20:58:09.758 INFO [stderr]   |
Dec 04 20:58:09.758 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 20:58:09.758 INFO [stderr] 
Dec 04 20:58:09.806 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 04 20:58:09.809 INFO [stderr] su: No module specific data is present
Dec 04 20:58:10.489 INFO running `"docker" "inspect" "b75f8344c75950856961335c39c139c17af4b1c432217b540a8e8af69f59d2d8"`
Dec 04 20:58:10.846 INFO running `"docker" "rm" "-f" "b75f8344c75950856961335c39c139c17af4b1c432217b540a8e8af69f59d2d8"`
Dec 04 20:58:11.191 INFO [stdout] b75f8344c75950856961335c39c139c17af4b1c432217b540a8e8af69f59d2d8