[INFO] cloning repository https://github.com/reuschj/HighestNumberPairingsRustVersion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reuschj/HighestNumberPairingsRustVersion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freuschj%2FHighestNumberPairingsRustVersion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freuschj%2FHighestNumberPairingsRustVersion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc6a3deb2de7fd3367fcdfa05bd1c48e3e2d120b
[INFO] checking reuschj/HighestNumberPairingsRustVersion against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freuschj%2FHighestNumberPairingsRustVersion" "/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/reuschj/HighestNumberPairingsRustVersion on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reuschj/HighestNumberPairingsRustVersion
[INFO] finished tweaking git repo https://github.com/reuschj/HighestNumberPairingsRustVersion
[INFO] tweaked toml for git repo https://github.com/reuschj/HighestNumberPairingsRustVersion written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/reuschj/HighestNumberPairingsRustVersion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b719a3c9b4d8ae3a30504c27336845334bb1c519510ef1e7709c68a875561895
[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" "b719a3c9b4d8ae3a30504c27336845334bb1c519510ef1e7709c68a875561895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b719a3c9b4d8ae3a30504c27336845334bb1c519510ef1e7709c68a875561895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b719a3c9b4d8ae3a30504c27336845334bb1c519510ef1e7709c68a875561895", kill_on_drop: false }`
[INFO] [stdout] b719a3c9b4d8ae3a30504c27336845334bb1c519510ef1e7709c68a875561895
[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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de393212c5c2e92a486d7137a1276d527be9ea29a65d39ab96e24fd5f86ccc0
[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" "1de393212c5c2e92a486d7137a1276d527be9ea29a65d39ab96e24fd5f86ccc0", kill_on_drop: false }`
[INFO] [stderr]     Checking highest_number_pairings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "1de393212c5c2e92a486d7137a1276d527be9ea29a65d39ab96e24fd5f86ccc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de393212c5c2e92a486d7137a1276d527be9ea29a65d39ab96e24fd5f86ccc0", kill_on_drop: false }`
[INFO] [stdout] 1de393212c5c2e92a486d7137a1276d527be9ea29a65d39ab96e24fd5f86ccc0