[INFO] cloning repository https://github.com/Marcuccio/leap-frog-puzzle [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marcuccio/leap-frog-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcuccio%2Fleap-frog-puzzle", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcuccio%2Fleap-frog-puzzle'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e45cb254de1b32ae2b0cbdcd17e981e2ee3f1b1 [INFO] checking Marcuccio/leap-frog-puzzle against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcuccio%2Fleap-frog-puzzle" "/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/Marcuccio/leap-frog-puzzle on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Marcuccio/leap-frog-puzzle [INFO] finished tweaking git repo https://github.com/Marcuccio/leap-frog-puzzle [INFO] tweaked toml for git repo https://github.com/Marcuccio/leap-frog-puzzle written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Marcuccio/leap-frog-puzzle already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] acf45bb7b3bb3ce11cc4693958e1b0133a40eba0e5a0831d0fb88fba0835e72c [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" "acf45bb7b3bb3ce11cc4693958e1b0133a40eba0e5a0831d0fb88fba0835e72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acf45bb7b3bb3ce11cc4693958e1b0133a40eba0e5a0831d0fb88fba0835e72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acf45bb7b3bb3ce11cc4693958e1b0133a40eba0e5a0831d0fb88fba0835e72c", kill_on_drop: false }` [INFO] [stdout] acf45bb7b3bb3ce11cc4693958e1b0133a40eba0e5a0831d0fb88fba0835e72c [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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f310c7f7fb391bf5e8ffe42cc105c74589670ac7636c85a45d37c8a04f23c3d [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" "4f310c7f7fb391bf5e8ffe42cc105c74589670ac7636c85a45d37c8a04f23c3d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking leap-frog-puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.16s [INFO] running `Command { std: "docker" "inspect" "4f310c7f7fb391bf5e8ffe42cc105c74589670ac7636c85a45d37c8a04f23c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f310c7f7fb391bf5e8ffe42cc105c74589670ac7636c85a45d37c8a04f23c3d", kill_on_drop: false }` [INFO] [stdout] 4f310c7f7fb391bf5e8ffe42cc105c74589670ac7636c85a45d37c8a04f23c3d