[INFO] cloning repository https://github.com/fkohlgrueber/rust_parser_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkohlgrueber/rust_parser_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Frust_parser_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Frust_parser_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8beebc19e222727f3e8c148df84e396b0f224cff
[INFO] testing fkohlgrueber/rust_parser_test against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Frust_parser_test" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkohlgrueber/rust_parser_test 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] removed /workspace/builds/worker-92/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fkohlgrueber/rust_parser_test
[INFO] finished tweaking git repo https://github.com/fkohlgrueber/rust_parser_test
[INFO] tweaked toml for git repo https://github.com/fkohlgrueber/rust_parser_test written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/fkohlgrueber/rust_parser_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] db124ce94438076d8c0f669b06683f4cb01b92fde818d7c6cdd52759cd40465c
[INFO] running `Command { std: "docker" "start" "-a" "db124ce94438076d8c0f669b06683f4cb01b92fde818d7c6cdd52759cd40465c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db124ce94438076d8c0f669b06683f4cb01b92fde818d7c6cdd52759cd40465c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db124ce94438076d8c0f669b06683f4cb01b92fde818d7c6cdd52759cd40465c", kill_on_drop: false }`
[INFO] [stdout] db124ce94438076d8c0f669b06683f4cb01b92fde818d7c6cdd52759cd40465c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 98cd3a75daab79093d8f93037be79f45d5e0ef95613cba5a50315d11d9cc2391
[INFO] running `Command { std: "docker" "start" "-a" "98cd3a75daab79093d8f93037be79f45d5e0ef95613cba5a50315d11d9cc2391", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_parser_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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 `rust_parser_test` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "98cd3a75daab79093d8f93037be79f45d5e0ef95613cba5a50315d11d9cc2391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cd3a75daab79093d8f93037be79f45d5e0ef95613cba5a50315d11d9cc2391", kill_on_drop: false }`
[INFO] [stdout] 98cd3a75daab79093d8f93037be79f45d5e0ef95613cba5a50315d11d9cc2391