[INFO] cloning repository https://github.com/garyemerson/breadth_first_search_shortest_reach [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/breadth_first_search_shortest_reach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fbreadth_first_search_shortest_reach", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fbreadth_first_search_shortest_reach'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7c621ee57319559079e0398369287452327d7d94 [INFO] checking garyemerson/breadth_first_search_shortest_reach against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fbreadth_first_search_shortest_reach" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/breadth_first_search_shortest_reach 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/garyemerson/breadth_first_search_shortest_reach [INFO] finished tweaking git repo https://github.com/garyemerson/breadth_first_search_shortest_reach [INFO] tweaked toml for git repo https://github.com/garyemerson/breadth_first_search_shortest_reach written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/breadth_first_search_shortest_reach 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 43984e9178645c085925df91a94b9269afe805f64f4c3cba13e85ee95f03e780 [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" "43984e9178645c085925df91a94b9269afe805f64f4c3cba13e85ee95f03e780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43984e9178645c085925df91a94b9269afe805f64f4c3cba13e85ee95f03e780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43984e9178645c085925df91a94b9269afe805f64f4c3cba13e85ee95f03e780", kill_on_drop: false }` [INFO] [stdout] 43984e9178645c085925df91a94b9269afe805f64f4c3cba13e85ee95f03e780 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 892eb564632afa88970e78c31bc3a7fba489ad0ecaeb4795332db2ebe9ea858c [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" "892eb564632afa88970e78c31bc3a7fba489ad0ecaeb4795332db2ebe9ea858c", kill_on_drop: false }` [INFO] [stderr] Checking breadth_first_search_shortest_reach v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `num_edges` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | num_edges: i32, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_edges` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_edges` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | num_edges: i32, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_edges` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "892eb564632afa88970e78c31bc3a7fba489ad0ecaeb4795332db2ebe9ea858c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "892eb564632afa88970e78c31bc3a7fba489ad0ecaeb4795332db2ebe9ea858c", kill_on_drop: false }` [INFO] [stdout] 892eb564632afa88970e78c31bc3a7fba489ad0ecaeb4795332db2ebe9ea858c