[INFO] fetching crate grammarbot 0.1.1...
[INFO] checking grammarbot-0.1.1 against beta for pr-78714
[INFO] extracting crate grammarbot 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate grammarbot 0.1.1 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 crates.io crate grammarbot 0.1.1
[INFO] finished tweaking crates.io crate grammarbot 0.1.1
[INFO] tweaked toml for crates.io crate grammarbot 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 195f1a6440d9a603dc01541b3c8b6a3efec612ef342444a606f0e888535bc474
[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" "195f1a6440d9a603dc01541b3c8b6a3efec612ef342444a606f0e888535bc474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195f1a6440d9a603dc01541b3c8b6a3efec612ef342444a606f0e888535bc474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195f1a6440d9a603dc01541b3c8b6a3efec612ef342444a606f0e888535bc474", kill_on_drop: false }`
[INFO] [stdout] 195f1a6440d9a603dc01541b3c8b6a3efec612ef342444a606f0e888535bc474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 01465717a168533a8b2b36bb044d3a35a05057e2bd589a9b70fc86e0c6b43efc
[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" "01465717a168533a8b2b36bb044d3a35a05057e2bd589a9b70fc86e0c6b43efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]     Checking grammarbot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `API_KEY` not defined
[INFO] [stdout]  --> tests/integration_test.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let client = Client::new(env!("API_KEY"));
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grammarbot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "01465717a168533a8b2b36bb044d3a35a05057e2bd589a9b70fc86e0c6b43efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01465717a168533a8b2b36bb044d3a35a05057e2bd589a9b70fc86e0c6b43efc", kill_on_drop: false }`
[INFO] [stdout] 01465717a168533a8b2b36bb044d3a35a05057e2bd589a9b70fc86e0c6b43efc