[INFO] cloning repository https://github.com/rk9109/sandbox-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rk9109/sandbox-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frk9109%2Fsandbox-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frk9109%2Fsandbox-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a4c14618ec15af5008313039a2c452b614fc3a0
[INFO] checking rk9109/sandbox-api against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frk9109%2Fsandbox-api" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rk9109/sandbox-api 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/rk9109/sandbox-api
[INFO] finished tweaking git repo https://github.com/rk9109/sandbox-api
[INFO] tweaked toml for git repo https://github.com/rk9109/sandbox-api written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rk9109/sandbox-api 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 440eb4f06e761921479c55ee76240c655becb87c7f74f8bc748e7d1451ab1b01
[INFO] running `Command { std: "docker" "start" "-a" "440eb4f06e761921479c55ee76240c655becb87c7f74f8bc748e7d1451ab1b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "440eb4f06e761921479c55ee76240c655becb87c7f74f8bc748e7d1451ab1b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440eb4f06e761921479c55ee76240c655becb87c7f74f8bc748e7d1451ab1b01", kill_on_drop: false }`
[INFO] [stdout] 440eb4f06e761921479c55ee76240c655becb87c7f74f8bc748e7d1451ab1b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0141bf6c96839f517a0ab352a844528900deba71f6310fc09c72e1bdc5cf584a
[INFO] running `Command { std: "docker" "start" "-a" "0141bf6c96839f517a0ab352a844528900deba71f6310fc09c72e1bdc5cf584a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking sandbox-api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Cpp`
[INFO] [stdout]   --> src/command.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Cpp,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rust`
[INFO] [stdout]   --> src/command.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Rust,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Go`
[INFO] [stdout]   --> src/command.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Go,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "0141bf6c96839f517a0ab352a844528900deba71f6310fc09c72e1bdc5cf584a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0141bf6c96839f517a0ab352a844528900deba71f6310fc09c72e1bdc5cf584a", kill_on_drop: false }`
[INFO] [stdout] 0141bf6c96839f517a0ab352a844528900deba71f6310fc09c72e1bdc5cf584a