[INFO] cloning repository https://github.com/jbchouinard/sudokusolver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbchouinard/sudokusolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fsudokusolver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fsudokusolver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 253297c06a672245a6c99920a7d9e2ef0edbd9dd [INFO] checking jbchouinard/sudokusolver against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fsudokusolver" "/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/jbchouinard/sudokusolver on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jbchouinard/sudokusolver [INFO] finished tweaking git repo https://github.com/jbchouinard/sudokusolver [INFO] tweaked toml for git repo https://github.com/jbchouinard/sudokusolver written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/jbchouinard/sudokusolver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tera v1.6.1 [INFO] [stderr] Downloaded globwalk v0.8.1 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2145ab36a3f6216267fce61197c3617e68bd68fcec53a8c1503185febe1cdfc0 [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" "2145ab36a3f6216267fce61197c3617e68bd68fcec53a8c1503185febe1cdfc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2145ab36a3f6216267fce61197c3617e68bd68fcec53a8c1503185febe1cdfc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2145ab36a3f6216267fce61197c3617e68bd68fcec53a8c1503185febe1cdfc0", kill_on_drop: false }` [INFO] [stdout] 2145ab36a3f6216267fce61197c3617e68bd68fcec53a8c1503185febe1cdfc0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 74429d5f214ef8801e97a965c7272959641667d73a760c084c216a37fc8aa2d5 [INFO] running `Command { std: "docker" "start" "-a" "74429d5f214ef8801e97a965c7272959641667d73a760c084c216a37fc8aa2d5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.61 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling test-case v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking tera v1.6.1 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking sudokusolver v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.08s [INFO] running `Command { std: "docker" "inspect" "74429d5f214ef8801e97a965c7272959641667d73a760c084c216a37fc8aa2d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74429d5f214ef8801e97a965c7272959641667d73a760c084c216a37fc8aa2d5", kill_on_drop: false }` [INFO] [stdout] 74429d5f214ef8801e97a965c7272959641667d73a760c084c216a37fc8aa2d5