[INFO] cloning repository https://github.com/faineance/zebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faineance/zebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaineance%2Fzebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaineance%2Fzebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d588b9284ff978afdb39568d6f364dccfbceb50
[INFO] checking faineance/zebra against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaineance%2Fzebra" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faineance/zebra 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/faineance/zebra
[INFO] finished tweaking git repo https://github.com/faineance/zebra
[INFO] tweaked toml for git repo https://github.com/faineance/zebra written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/faineance/zebra 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ae753d3a4e442e99d75210506c2e0e594677bac0721e10a73a5528a0e38e1da7
[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" "ae753d3a4e442e99d75210506c2e0e594677bac0721e10a73a5528a0e38e1da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae753d3a4e442e99d75210506c2e0e594677bac0721e10a73a5528a0e38e1da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae753d3a4e442e99d75210506c2e0e594677bac0721e10a73a5528a0e38e1da7", kill_on_drop: false }`
[INFO] [stdout] ae753d3a4e442e99d75210506c2e0e594677bac0721e10a73a5528a0e38e1da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f9bac40e293bd822b8009e453aa94c67fb5619408e770d87f6169c4a56ee1bbc
[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" "f9bac40e293bd822b8009e453aa94c67fb5619408e770d87f6169c4a56ee1bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking z3-sys v0.5.0
[INFO] [stderr]     Checking z3 v0.4.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking zebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.34s
[INFO] running `Command { std: "docker" "inspect" "f9bac40e293bd822b8009e453aa94c67fb5619408e770d87f6169c4a56ee1bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bac40e293bd822b8009e453aa94c67fb5619408e770d87f6169c4a56ee1bbc", kill_on_drop: false }`
[INFO] [stdout] f9bac40e293bd822b8009e453aa94c67fb5619408e770d87f6169c4a56ee1bbc