[INFO] cloning repository https://github.com/na-o-ys/train-dijkstra-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/na-o-ys/train-dijkstra-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fna-o-ys%2Ftrain-dijkstra-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fna-o-ys%2Ftrain-dijkstra-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e4be6a1addd959ae23c70e829c8ec2e3e86bc259 [INFO] checking na-o-ys/train-dijkstra-demo against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fna-o-ys%2Ftrain-dijkstra-demo" "/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/na-o-ys/train-dijkstra-demo on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/na-o-ys/train-dijkstra-demo [INFO] finished tweaking git repo https://github.com/na-o-ys/train-dijkstra-demo [INFO] tweaked toml for git repo https://github.com/na-o-ys/train-dijkstra-demo written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/na-o-ys/train-dijkstra-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7ab4696ac36a948765c07c208e4906786210defec9f4c7ea4d55fe0f07151c75 [INFO] running `Command { std: "docker" "start" "-a" "7ab4696ac36a948765c07c208e4906786210defec9f4c7ea4d55fe0f07151c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ab4696ac36a948765c07c208e4906786210defec9f4c7ea4d55fe0f07151c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ab4696ac36a948765c07c208e4906786210defec9f4c7ea4d55fe0f07151c75", kill_on_drop: false }` [INFO] [stdout] 7ab4696ac36a948765c07c208e4906786210defec9f4c7ea4d55fe0f07151c75 [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6414b6c0c786bef3c203bdc0ac4e8d2c2044d8a82364ac0d3b7d68e5ab89ff3d [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" "6414b6c0c786bef3c203bdc0ac4e8d2c2044d8a82364ac0d3b7d68e5ab89ff3d", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking serde v0.9.11 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking dtoa v0.4.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.9 [INFO] [stderr] Compiling serde_codegen_internals v0.14.1 [INFO] [stderr] Compiling serde_derive v0.9.11 [INFO] [stderr] Checking serde_json v0.9.9 [INFO] [stderr] Checking train-dijkstra-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` 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 11.03s [INFO] running `Command { std: "docker" "inspect" "6414b6c0c786bef3c203bdc0ac4e8d2c2044d8a82364ac0d3b7d68e5ab89ff3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6414b6c0c786bef3c203bdc0ac4e8d2c2044d8a82364ac0d3b7d68e5ab89ff3d", kill_on_drop: false }` [INFO] [stdout] 6414b6c0c786bef3c203bdc0ac4e8d2c2044d8a82364ac0d3b7d68e5ab89ff3d