Nov 28 07:46:43.422 INFO checking chrisshyi/kosarajuSCC against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 07:46:43.424 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 07:46:43.874 INFO [stdout] 23083b4623afdc95e956c73d108049862392f0b64f27fbf1b76204ca9053a86a
Nov 28 07:46:43.876 INFO running `"docker" "start" "-a" "23083b4623afdc95e956c73d108049862392f0b64f27fbf1b76204ca9053a86a"`
Nov 28 07:46:45.188 INFO [stderr] usermod: no changes
Nov 28 07:46:45.232 INFO [stderr]     Checking kosarajuSCC v0.1.0 (/source)
Nov 28 07:46:45.804 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 28 07:46:45.804 INFO [stderr]   --> src/lib.rs:34:14
Nov 28 07:46:45.804 INFO [stderr]    |
Nov 28 07:46:45.804 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:45.804 INFO [stderr]    |              ^^^^^^^^^^
Nov 28 07:46:45.804 INFO [stderr]    |
Nov 28 07:46:45.804 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 07:46:45.804 INFO [stderr] 
Nov 28 07:46:45.804 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 28 07:46:45.804 INFO [stderr]   --> src/lib.rs:34:30
Nov 28 07:46:45.804 INFO [stderr]    |
Nov 28 07:46:45.804 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:45.804 INFO [stderr]    |                              ^^^^^^^^^^
Nov 28 07:46:45.804 INFO [stderr] 
Nov 28 07:46:45.804 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 28 07:46:45.804 INFO [stderr]    --> src/lib.rs:137:14
Nov 28 07:46:45.804 INFO [stderr]     |
Nov 28 07:46:45.804 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:45.804 INFO [stderr]     |              ^^^^^^^^^^
Nov 28 07:46:45.805 INFO [stderr] 
Nov 28 07:46:45.805 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 28 07:46:45.805 INFO [stderr]    --> src/lib.rs:137:30
Nov 28 07:46:45.805 INFO [stderr]     |
Nov 28 07:46:45.805 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:45.805 INFO [stderr]     |                              ^^^^^^^^^^
Nov 28 07:46:45.805 INFO [stderr] 
Nov 28 07:46:45.868 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 28 07:46:45.868 INFO [stderr]   |
Nov 28 07:46:45.868 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 07:46:45.868 INFO [stderr] 
Nov 28 07:46:46.124 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 28 07:46:46.124 INFO [stderr]   --> src/lib.rs:34:14
Nov 28 07:46:46.124 INFO [stderr]    |
Nov 28 07:46:46.124 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:46.124 INFO [stderr]    |              ^^^^^^^^^^
Nov 28 07:46:46.124 INFO [stderr]    |
Nov 28 07:46:46.124 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 07:46:46.124 INFO [stderr] 
Nov 28 07:46:46.124 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 28 07:46:46.124 INFO [stderr]   --> src/lib.rs:34:30
Nov 28 07:46:46.124 INFO [stderr]    |
Nov 28 07:46:46.124 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:46.124 INFO [stderr]    |                              ^^^^^^^^^^
Nov 28 07:46:46.124 INFO [stderr] 
Nov 28 07:46:46.124 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 28 07:46:46.124 INFO [stderr]    --> src/lib.rs:137:14
Nov 28 07:46:46.124 INFO [stderr]     |
Nov 28 07:46:46.125 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:46.125 INFO [stderr]     |              ^^^^^^^^^^
Nov 28 07:46:46.125 INFO [stderr] 
Nov 28 07:46:46.125 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 28 07:46:46.125 INFO [stderr]    --> src/lib.rs:137:30
Nov 28 07:46:46.125 INFO [stderr]     |
Nov 28 07:46:46.125 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 28 07:46:46.125 INFO [stderr]     |                              ^^^^^^^^^^
Nov 28 07:46:46.125 INFO [stderr] 
Nov 28 07:46:46.148 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 28 07:46:46.148 INFO [stderr]   |
Nov 28 07:46:46.148 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 07:46:46.148 INFO [stderr] 
Nov 28 07:46:46.840 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 07:46:46.841 INFO [stderr]  --> src/main.rs:2:5
Nov 28 07:46:46.841 INFO [stderr]   |
Nov 28 07:46:46.841 INFO [stderr] 2 | use std::fs::File;
Nov 28 07:46:46.842 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 07:46:46.842 INFO [stderr]   |
Nov 28 07:46:46.842 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 07:46:46.843 INFO [stderr] 
Nov 28 07:46:46.916 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 28 07:46:46.916 INFO [stderr]   |
Nov 28 07:46:46.916 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 07:46:46.916 INFO [stderr] 
Nov 28 07:46:47.008 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 07:46:47.009 INFO [stderr]  --> src/main.rs:2:5
Nov 28 07:46:47.009 INFO [stderr]   |
Nov 28 07:46:47.009 INFO [stderr] 2 | use std::fs::File;
Nov 28 07:46:47.010 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 07:46:47.010 INFO [stderr]   |
Nov 28 07:46:47.010 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 07:46:47.011 INFO [stderr] 
Nov 28 07:46:47.080 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 28 07:46:47.081 INFO [stderr]   |
Nov 28 07:46:47.081 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 07:46:47.081 INFO [stderr] 
Nov 28 07:46:47.113 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
Nov 28 07:46:47.115 INFO [stderr] su: No module specific data is present
Nov 28 07:46:47.857 INFO running `"docker" "inspect" "23083b4623afdc95e956c73d108049862392f0b64f27fbf1b76204ca9053a86a"`
Nov 28 07:46:48.116 INFO running `"docker" "rm" "-f" "23083b4623afdc95e956c73d108049862392f0b64f27fbf1b76204ca9053a86a"`
Nov 28 07:46:48.484 INFO [stdout] 23083b4623afdc95e956c73d108049862392f0b64f27fbf1b76204ca9053a86a