Nov 30 05:20:34.891 INFO checking chrisshyi/kosarajuSCC against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 05:20:34.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 05:20:35.302 INFO [stdout] a1c3fd8c39b4028e3edcbcb89b65993aaa6ef240e590c820513e40ce68228482
Nov 30 05:20:35.305 INFO running `"docker" "start" "-a" "a1c3fd8c39b4028e3edcbcb89b65993aaa6ef240e590c820513e40ce68228482"`
Nov 30 05:20:36.770 INFO [stderr] usermod: no changes
Nov 30 05:20:36.820 INFO [stderr]     Checking kosarajuSCC v0.1.0 (/source)
Nov 30 05:20:37.524 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 30 05:20:37.524 INFO [stderr]   --> src/lib.rs:34:14
Nov 30 05:20:37.524 INFO [stderr]    |
Nov 30 05:20:37.524 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.524 INFO [stderr]    |              ^^^^^^^^^^
Nov 30 05:20:37.524 INFO [stderr]    |
Nov 30 05:20:37.524 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:20:37.524 INFO [stderr] 
Nov 30 05:20:37.524 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 30 05:20:37.524 INFO [stderr]   --> src/lib.rs:34:30
Nov 30 05:20:37.524 INFO [stderr]    |
Nov 30 05:20:37.524 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.524 INFO [stderr]    |                              ^^^^^^^^^^
Nov 30 05:20:37.524 INFO [stderr] 
Nov 30 05:20:37.524 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 30 05:20:37.524 INFO [stderr]    --> src/lib.rs:137:14
Nov 30 05:20:37.524 INFO [stderr]     |
Nov 30 05:20:37.524 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.524 INFO [stderr]     |              ^^^^^^^^^^
Nov 30 05:20:37.524 INFO [stderr] 
Nov 30 05:20:37.524 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 30 05:20:37.524 INFO [stderr]    --> src/lib.rs:137:30
Nov 30 05:20:37.524 INFO [stderr]     |
Nov 30 05:20:37.524 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.524 INFO [stderr]     |                              ^^^^^^^^^^
Nov 30 05:20:37.525 INFO [stderr] 
Nov 30 05:20:37.548 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 30 05:20:37.548 INFO [stderr]   --> src/lib.rs:34:14
Nov 30 05:20:37.548 INFO [stderr]    |
Nov 30 05:20:37.548 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.548 INFO [stderr]    |              ^^^^^^^^^^
Nov 30 05:20:37.548 INFO [stderr]    |
Nov 30 05:20:37.548 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:20:37.548 INFO [stderr] 
Nov 30 05:20:37.548 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 30 05:20:37.548 INFO [stderr]   --> src/lib.rs:34:30
Nov 30 05:20:37.548 INFO [stderr]    |
Nov 30 05:20:37.548 INFO [stderr] 34 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.548 INFO [stderr]    |                              ^^^^^^^^^^
Nov 30 05:20:37.548 INFO [stderr] 
Nov 30 05:20:37.548 INFO [stderr] warning: value assigned to `tail_vertx` is never read
Nov 30 05:20:37.548 INFO [stderr]    --> src/lib.rs:137:14
Nov 30 05:20:37.548 INFO [stderr]     |
Nov 30 05:20:37.548 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.548 INFO [stderr]     |              ^^^^^^^^^^
Nov 30 05:20:37.549 INFO [stderr] 
Nov 30 05:20:37.549 INFO [stderr] warning: value assigned to `head_vertx` is never read
Nov 30 05:20:37.549 INFO [stderr]    --> src/lib.rs:137:30
Nov 30 05:20:37.549 INFO [stderr]     |
Nov 30 05:20:37.549 INFO [stderr] 137 |     let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables
Nov 30 05:20:37.549 INFO [stderr]     |                              ^^^^^^^^^^
Nov 30 05:20:37.549 INFO [stderr] 
Nov 30 05:20:37.557 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 30 05:20:37.557 INFO [stderr]   |
Nov 30 05:20:37.557 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 05:20:37.557 INFO [stderr] 
Nov 30 05:20:37.575 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 30 05:20:37.575 INFO [stderr]   |
Nov 30 05:20:37.575 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 05:20:37.575 INFO [stderr] 
Nov 30 05:20:37.979 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 05:20:37.979 INFO [stderr]  --> src/main.rs:2:5
Nov 30 05:20:37.979 INFO [stderr]   |
Nov 30 05:20:37.979 INFO [stderr] 2 | use std::fs::File;
Nov 30 05:20:37.979 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 05:20:37.979 INFO [stderr]   |
Nov 30 05:20:37.979 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:20:37.979 INFO [stderr] 
Nov 30 05:20:37.984 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 05:20:37.984 INFO [stderr]  --> src/main.rs:2:5
Nov 30 05:20:37.984 INFO [stderr]   |
Nov 30 05:20:37.984 INFO [stderr] 2 | use std::fs::File;
Nov 30 05:20:37.984 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 05:20:37.984 INFO [stderr]   |
Nov 30 05:20:37.984 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:20:37.984 INFO [stderr] 
Nov 30 05:20:38.034 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 30 05:20:38.034 INFO [stderr]   |
Nov 30 05:20:38.034 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 05:20:38.034 INFO [stderr] 
Nov 30 05:20:38.044 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc`
Nov 30 05:20:38.044 INFO [stderr]   |
Nov 30 05:20:38.044 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 05:20:38.044 INFO [stderr] 
Nov 30 05:20:38.079 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Nov 30 05:20:38.080 INFO [stderr] su: No module specific data is present
Nov 30 05:20:38.724 INFO running `"docker" "inspect" "a1c3fd8c39b4028e3edcbcb89b65993aaa6ef240e590c820513e40ce68228482"`
Nov 30 05:20:39.023 INFO running `"docker" "rm" "-f" "a1c3fd8c39b4028e3edcbcb89b65993aaa6ef240e590c820513e40ce68228482"`
Nov 30 05:20:39.367 INFO [stdout] a1c3fd8c39b4028e3edcbcb89b65993aaa6ef240e590c820513e40ce68228482