[INFO] cloning repository https://github.com/4ge32/rddsv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4ge32/rddsv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4ge32%2Frddsv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4ge32%2Frddsv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 680934a9ea4e9555df994c4e7d72b5a43acc2576
[INFO] checking 4ge32/rddsv against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4ge32%2Frddsv" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4ge32/rddsv on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4ge32/rddsv
[INFO] finished tweaking git repo https://github.com/4ge32/rddsv
[INFO] tweaked toml for git repo https://github.com/4ge32/rddsv written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/4ge32/rddsv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef7acdaea44fe64e473a750f5727ec44c00079f115ff8fb7dab58e341f607e62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef7acdaea44fe64e473a750f5727ec44c00079f115ff8fb7dab58e341f607e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7acdaea44fe64e473a750f5727ec44c00079f115ff8fb7dab58e341f607e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7acdaea44fe64e473a750f5727ec44c00079f115ff8fb7dab58e341f607e62", kill_on_drop: false }`
[INFO] [stdout] ef7acdaea44fe64e473a750f5727ec44c00079f115ff8fb7dab58e341f607e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 869862d0b349b555e06d5aef6890dba81dd28dc56a5aed0caf206d337d43e5f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "869862d0b349b555e06d5aef6890dba81dd28dc56a5aed0caf206d337d43e5f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking file_diff v1.0.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking rddsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/algorithm.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn has_edge(edge: usize) -> bool {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/algorithm.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn insert(&mut self, edge: usize, new: usize) {
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/algorithm.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn has_edge(edge: usize) -> bool {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/algorithm.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn insert(&mut self, edge: usize, new: usize) {
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimension`
[INFO] [stdout]  --> src/algorithm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dimension: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimension`
[INFO] [stdout]  --> src/algorithm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dimension: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "869862d0b349b555e06d5aef6890dba81dd28dc56a5aed0caf206d337d43e5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869862d0b349b555e06d5aef6890dba81dd28dc56a5aed0caf206d337d43e5f0", kill_on_drop: false }`
[INFO] [stdout] 869862d0b349b555e06d5aef6890dba81dd28dc56a5aed0caf206d337d43e5f0