Dec 19 19:03:01.406 INFO checking chrisshyi/kosarajuSCC against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 19:03:01.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chrisshyi/kosarajuSCC:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 19:03:01.910 INFO [stdout] 3faf18129187b16336be5480517e39a75ff0831a4ac0c7b076d1af4e436867dc Dec 19 19:03:01.912 INFO running `"docker" "start" "-a" "3faf18129187b16336be5480517e39a75ff0831a4ac0c7b076d1af4e436867dc"` Dec 19 19:03:03.825 INFO [stderr] Checking kosarajuSCC v0.1.0 (/opt/crater/workdir) Dec 19 19:03:04.277 INFO [stderr] warning: value assigned to `tail_vertx` is never read Dec 19 19:03:04.277 INFO [stderr] --> src/lib.rs:34:14 Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] 34 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.277 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 19 19:03:04.277 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.277 INFO [stderr] Dec 19 19:03:04.277 INFO [stderr] warning: value assigned to `head_vertx` is never read Dec 19 19:03:04.277 INFO [stderr] --> src/lib.rs:34:30 Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] 34 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.277 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.277 INFO [stderr] Dec 19 19:03:04.277 INFO [stderr] warning: value assigned to `tail_vertx` is never read Dec 19 19:03:04.277 INFO [stderr] --> src/lib.rs:137:14 Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] 137 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.277 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.277 INFO [stderr] Dec 19 19:03:04.277 INFO [stderr] warning: value assigned to `head_vertx` is never read Dec 19 19:03:04.277 INFO [stderr] --> src/lib.rs:137:30 Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] 137 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.277 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.277 INFO [stderr] | Dec 19 19:03:04.277 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.277 INFO [stderr] Dec 19 19:03:04.312 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc` Dec 19 19:03:04.312 INFO [stderr] | Dec 19 19:03:04.312 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 19 19:03:04.312 INFO [stderr] Dec 19 19:03:04.632 INFO [stderr] warning: value assigned to `tail_vertx` is never read Dec 19 19:03:04.632 INFO [stderr] --> src/lib.rs:34:14 Dec 19 19:03:04.632 INFO [stderr] | Dec 19 19:03:04.632 INFO [stderr] 34 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.632 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.632 INFO [stderr] | Dec 19 19:03:04.632 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 19 19:03:04.632 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.632 INFO [stderr] Dec 19 19:03:04.632 INFO [stderr] warning: value assigned to `head_vertx` is never read Dec 19 19:03:04.632 INFO [stderr] --> src/lib.rs:34:30 Dec 19 19:03:04.632 INFO [stderr] | Dec 19 19:03:04.632 INFO [stderr] 34 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.632 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.632 INFO [stderr] | Dec 19 19:03:04.632 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.633 INFO [stderr] Dec 19 19:03:04.633 INFO [stderr] warning: value assigned to `tail_vertx` is never read Dec 19 19:03:04.633 INFO [stderr] --> src/lib.rs:137:14 Dec 19 19:03:04.633 INFO [stderr] | Dec 19 19:03:04.633 INFO [stderr] 137 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.633 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.633 INFO [stderr] | Dec 19 19:03:04.633 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.633 INFO [stderr] Dec 19 19:03:04.633 INFO [stderr] warning: value assigned to `head_vertx` is never read Dec 19 19:03:04.633 INFO [stderr] --> src/lib.rs:137:30 Dec 19 19:03:04.633 INFO [stderr] | Dec 19 19:03:04.633 INFO [stderr] 137 | let (mut tail_vertx, mut head_vertx) = (0, 0); // Compiler won't allow use of uninitialized variables Dec 19 19:03:04.633 INFO [stderr] | ^^^^^^^^^^ Dec 19 19:03:04.633 INFO [stderr] | Dec 19 19:03:04.633 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 19:03:04.633 INFO [stderr] Dec 19 19:03:04.694 INFO [stderr] warning: unused import: `std::fs::File` Dec 19 19:03:04.694 INFO [stderr] --> src/main.rs:2:5 Dec 19 19:03:04.695 INFO [stderr] | Dec 19 19:03:04.695 INFO [stderr] 2 | use std::fs::File; Dec 19 19:03:04.695 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 19:03:04.695 INFO [stderr] | Dec 19 19:03:04.695 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 19:03:04.695 INFO [stderr] Dec 19 19:03:04.708 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc` Dec 19 19:03:04.708 INFO [stderr] | Dec 19 19:03:04.708 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 19 19:03:04.708 INFO [stderr] Dec 19 19:03:04.728 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc` Dec 19 19:03:04.728 INFO [stderr] | Dec 19 19:03:04.728 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 19 19:03:04.728 INFO [stderr] Dec 19 19:03:04.828 INFO [stderr] warning: unused import: `std::fs::File` Dec 19 19:03:04.828 INFO [stderr] --> src/main.rs:2:5 Dec 19 19:03:04.828 INFO [stderr] | Dec 19 19:03:04.828 INFO [stderr] 2 | use std::fs::File; Dec 19 19:03:04.828 INFO [stderr] | ^^^^^^^^^^^^^ Dec 19 19:03:04.828 INFO [stderr] | Dec 19 19:03:04.828 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 19:03:04.828 INFO [stderr] Dec 19 19:03:04.868 INFO [stderr] warning: crate `kosarajuSCC` should have a snake case name such as `kosaraju_scc` Dec 19 19:03:04.868 INFO [stderr] | Dec 19 19:03:04.868 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 19 19:03:04.868 INFO [stderr] Dec 19 19:03:04.917 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s Dec 19 19:03:05.498 INFO running `"docker" "inspect" "3faf18129187b16336be5480517e39a75ff0831a4ac0c7b076d1af4e436867dc"` Dec 19 19:03:05.848 INFO running `"docker" "rm" "-f" "3faf18129187b16336be5480517e39a75ff0831a4ac0c7b076d1af4e436867dc"` Dec 19 19:03:06.168 INFO [stdout] 3faf18129187b16336be5480517e39a75ff0831a4ac0c7b076d1af4e436867dc