[INFO] cloning repository https://github.com/KaleBBuR/Json-Parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KaleBBuR/Json-Parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaleBBuR%2FJson-Parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaleBBuR%2FJson-Parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b90c54e2ae40d5e9015d9825bbb95c131b0ebee3
[INFO] checking KaleBBuR/Json-Parser against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaleBBuR%2FJson-Parser" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KaleBBuR/Json-Parser on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KaleBBuR/Json-Parser
[INFO] finished tweaking git repo https://github.com/KaleBBuR/Json-Parser
[INFO] tweaked toml for git repo https://github.com/KaleBBuR/Json-Parser written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/KaleBBuR/Json-Parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9fdc74163288e586b420dcb38521249e03853a39b7fe02ab9a759bdaf7cad3
[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" "cd9fdc74163288e586b420dcb38521249e03853a39b7fe02ab9a759bdaf7cad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9fdc74163288e586b420dcb38521249e03853a39b7fe02ab9a759bdaf7cad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9fdc74163288e586b420dcb38521249e03853a39b7fe02ab9a759bdaf7cad3", kill_on_drop: false }`
[INFO] [stdout] cd9fdc74163288e586b420dcb38521249e03853a39b7fe02ab9a759bdaf7cad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 395e4cd261c4bac7e93d5c1ba31cff919a6aef8c8f93e7ee0ca3bcdca9b9fe63
[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" "395e4cd261c4bac7e93d5c1ba31cff919a6aef8c8f93e7ee0ca3bcdca9b9fe63", kill_on_drop: false }`
[INFO] [stderr]     Checking json_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "395e4cd261c4bac7e93d5c1ba31cff919a6aef8c8f93e7ee0ca3bcdca9b9fe63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395e4cd261c4bac7e93d5c1ba31cff919a6aef8c8f93e7ee0ca3bcdca9b9fe63", kill_on_drop: false }`
[INFO] [stdout] 395e4cd261c4bac7e93d5c1ba31cff919a6aef8c8f93e7ee0ca3bcdca9b9fe63