[INFO] cloning repository https://github.com/ericmarkmartin/rust-blackjack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericmarkmartin/rust-blackjack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericmarkmartin%2Frust-blackjack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericmarkmartin%2Frust-blackjack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b1bbbfbd915b953651fe790c874fca2c0229b4d
[INFO] checking ericmarkmartin/rust-blackjack against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericmarkmartin%2Frust-blackjack" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericmarkmartin/rust-blackjack on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericmarkmartin/rust-blackjack
[INFO] finished tweaking git repo https://github.com/ericmarkmartin/rust-blackjack
[INFO] tweaked toml for git repo https://github.com/ericmarkmartin/rust-blackjack written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ericmarkmartin/rust-blackjack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 269708592a56bfc1dc7359af388a62edb7889bd55a3f33d641c89614cf099845
[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" "269708592a56bfc1dc7359af388a62edb7889bd55a3f33d641c89614cf099845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "269708592a56bfc1dc7359af388a62edb7889bd55a3f33d641c89614cf099845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269708592a56bfc1dc7359af388a62edb7889bd55a3f33d641c89614cf099845", kill_on_drop: false }`
[INFO] [stdout] 269708592a56bfc1dc7359af388a62edb7889bd55a3f33d641c89614cf099845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ea3bc3e3b58909f1804b29354782a7ba04d9c6212ead3f970af30ef408cc19
[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" "98ea3bc3e3b58909f1804b29354782a7ba04d9c6212ead3f970af30ef408cc19", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking dialoguer v0.4.0
[INFO] [stderr]     Checking blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "98ea3bc3e3b58909f1804b29354782a7ba04d9c6212ead3f970af30ef408cc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ea3bc3e3b58909f1804b29354782a7ba04d9c6212ead3f970af30ef408cc19", kill_on_drop: false }`
[INFO] [stdout] 98ea3bc3e3b58909f1804b29354782a7ba04d9c6212ead3f970af30ef408cc19