[INFO] crate dotenv_macros 0.10.0 is already in cache
[INFO] testing dotenv_macros-0.10.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate dotenv_macros 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dotenv_macros 0.10.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotenv_macros 0.10.0
[INFO] finished tweaking crates.io crate dotenv_macros 0.10.0
[INFO] tweaked toml for crates.io crate dotenv_macros 0.10.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23b3804bfb04518b03ead6a62a35c88564e6dcc02fd654514dc108b24e6eae65
[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" "23b3804bfb04518b03ead6a62a35c88564e6dcc02fd654514dc108b24e6eae65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b3804bfb04518b03ead6a62a35c88564e6dcc02fd654514dc108b24e6eae65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b3804bfb04518b03ead6a62a35c88564e6dcc02fd654514dc108b24e6eae65", kill_on_drop: false }`
[INFO] [stdout] 23b3804bfb04518b03ead6a62a35c88564e6dcc02fd654514dc108b24e6eae65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 953c5fcdc05c21089a2f4ccc70045a4efb8bbd1dd3f8d32a5b4c09052d5e07e3
[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" "953c5fcdc05c21089a2f4ccc70045a4efb8bbd1dd3f8d32a5b4c09052d5e07e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotenv v0.8.0
[INFO] [stderr]    Compiling dotenv_codegen v0.10.0
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv_codegen-0.10.0/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotenv_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "953c5fcdc05c21089a2f4ccc70045a4efb8bbd1dd3f8d32a5b4c09052d5e07e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953c5fcdc05c21089a2f4ccc70045a4efb8bbd1dd3f8d32a5b4c09052d5e07e3", kill_on_drop: false }`
[INFO] [stdout] 953c5fcdc05c21089a2f4ccc70045a4efb8bbd1dd3f8d32a5b4c09052d5e07e3