[INFO] fetching crate grammarbot 0.1.1...
[INFO] testing grammarbot-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grammarbot 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grammarbot 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e62a0ad496d8237935c5c96ba05dd6035b80fe4bd8d5a72b73f318401b723f
[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" "b9e62a0ad496d8237935c5c96ba05dd6035b80fe4bd8d5a72b73f318401b723f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e62a0ad496d8237935c5c96ba05dd6035b80fe4bd8d5a72b73f318401b723f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e62a0ad496d8237935c5c96ba05dd6035b80fe4bd8d5a72b73f318401b723f", kill_on_drop: false }`
[INFO] [stdout] b9e62a0ad496d8237935c5c96ba05dd6035b80fe4bd8d5a72b73f318401b723f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ff247e001e2f50c0181586c32bec22c79fb74039d37d275230e1f88f14babf
[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" "a0ff247e001e2f50c0181586c32bec22c79fb74039d37d275230e1f88f14babf", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]    Compiling snafu v0.4.4
[INFO] [stderr]    Compiling grammarbot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "a0ff247e001e2f50c0181586c32bec22c79fb74039d37d275230e1f88f14babf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ff247e001e2f50c0181586c32bec22c79fb74039d37d275230e1f88f14babf", kill_on_drop: false }`
[INFO] [stdout] a0ff247e001e2f50c0181586c32bec22c79fb74039d37d275230e1f88f14babf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] ec261dc4be05d6614df7f2bb3b4ba4504564a3c2e4ee70a4e32dfdbe1c4b8d93
[INFO] running `Command { std: "docker" "start" "-a" "ec261dc4be05d6614df7f2bb3b4ba4504564a3c2e4ee70a4e32dfdbe1c4b8d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 the macro `env` (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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec261dc4be05d6614df7f2bb3b4ba4504564a3c2e4ee70a4e32dfdbe1c4b8d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec261dc4be05d6614df7f2bb3b4ba4504564a3c2e4ee70a4e32dfdbe1c4b8d93", kill_on_drop: false }`
[INFO] [stdout] ec261dc4be05d6614df7f2bb3b4ba4504564a3c2e4ee70a4e32dfdbe1c4b8d93