[INFO] updating cached repository https://github.com/nikkolasg/drg-attacks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da1d079cc0cc75e8171fb187026fb3fb6ebfb476
[INFO] checking nikkolasg/drg-attacks against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikkolasg%2Fdrg-attacks" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikkolasg/drg-attacks on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nikkolasg/drg-attacks
[INFO] finished tweaking git repo https://github.com/nikkolasg/drg-attacks
[INFO] tweaked toml for git repo https://github.com/nikkolasg/drg-attacks written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/nikkolasg/drg-attacks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b7858eddd294789dcf7bd566996f03aa474ce0ec5fd483f33d5d95b3f79a0cd
[INFO] running `"docker" "start" "-a" "0b7858eddd294789dcf7bd566996f03aa474ce0ec5fd483f33d5d95b3f79a0cd"`
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking drg-attacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/attacks.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/graph.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valiant_basic`
[INFO] [stderr]   --> src/attacks.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn valiant_basic(g: &Graph, target: usize) -> HashSet<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valiant_partitions`
[INFO] [stderr]   --> src/attacks.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn valiant_partitions(g: &Graph) -> Vec<HashSet<Edge>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `msbd`
[INFO] [stderr]  --> src/utils.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn msbd(u: usize, v: usize) -> usize {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `node_bitsize`
[INFO] [stderr]   --> src/utils.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn node_bitsize() -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `"docker" "inspect" "0b7858eddd294789dcf7bd566996f03aa474ce0ec5fd483f33d5d95b3f79a0cd"`
[INFO] running `"docker" "rm" "-f" "0b7858eddd294789dcf7bd566996f03aa474ce0ec5fd483f33d5d95b3f79a0cd"`
[INFO] [stdout] 0b7858eddd294789dcf7bd566996f03aa474ce0ec5fd483f33d5d95b3f79a0cd