[INFO] cloning repository https://github.com/dralley/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dralley/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a89c12817a7b1a8c14875ba133f55fca3d7f536d [INFO] checking dralley/sudoku-solver against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dralley/sudoku-solver on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dralley/sudoku-solver [INFO] finished tweaking git repo https://github.com/dralley/sudoku-solver [INFO] tweaked toml for git repo https://github.com/dralley/sudoku-solver written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/dralley/sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.98 [INFO] [stderr] Downloaded serde v1.0.98 [INFO] [stderr] Downloaded partial_ref_derive v0.3.1 [INFO] [stderr] Downloaded vec_mut_scan v0.1.0 [INFO] [stderr] Downloaded partial_ref v0.3.1 [INFO] [stderr] Downloaded sudoku v0.7.0 [INFO] [stderr] Downloaded leb128 v0.2.4 [INFO] [stderr] Downloaded varisat-dimacs v0.2.1 [INFO] [stderr] Downloaded varisat-internal-macros v0.2.1 [INFO] [stderr] Downloaded syn v0.15.43 [INFO] [stderr] Downloaded backtrace v0.3.34 [INFO] [stderr] Downloaded varisat-formula v0.2.1 [INFO] [stderr] Downloaded varisat-internal-proof v0.2.1 [INFO] [stderr] Downloaded varisat v0.2.1 [INFO] [stderr] Downloaded varisat-checker v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 9d15d3d3d5e4510dfcfb18582c8ab3f191130b25874a3368365420948b377387 [INFO] running `Command { std: "docker" "start" "-a" "9d15d3d3d5e4510dfcfb18582c8ab3f191130b25874a3368365420948b377387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d15d3d3d5e4510dfcfb18582c8ab3f191130b25874a3368365420948b377387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d15d3d3d5e4510dfcfb18582c8ab3f191130b25874a3368365420948b377387", kill_on_drop: false }` [INFO] [stdout] 9d15d3d3d5e4510dfcfb18582c8ab3f191130b25874a3368365420948b377387 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e794673ab4076fdd6128165dff642b8b13f87f498be966095f01ae8d6bd3c184 [INFO] running `Command { std: "docker" "start" "-a" "e794673ab4076fdd6128165dff642b8b13f87f498be966095f01ae8d6bd3c184", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling syn v0.15.43 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Checking varisat-formula v0.2.1 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.5 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking hashbrown v0.3.1 [INFO] [stderr] Checking vec_mut_scan v0.1.0 [INFO] [stderr] Checking leb128 v0.2.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling backtrace v0.3.34 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking sudoku v0.7.0 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling partial_ref_derive v0.3.1 [INFO] [stderr] Checking partial_ref v0.3.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Checking varisat-dimacs v0.2.1 [INFO] [stderr] Checking varisat-internal-proof v0.2.1 [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Checking varisat-checker v0.2.1 [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.52s [INFO] running `Command { std: "docker" "inspect" "e794673ab4076fdd6128165dff642b8b13f87f498be966095f01ae8d6bd3c184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e794673ab4076fdd6128165dff642b8b13f87f498be966095f01ae8d6bd3c184", kill_on_drop: false }` [INFO] [stdout] e794673ab4076fdd6128165dff642b8b13f87f498be966095f01ae8d6bd3c184