[INFO] fetching crate warnalyzer 0.1.0...
[INFO] testing warnalyzer-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate warnalyzer 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate warnalyzer 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warnalyzer 0.1.0
[INFO] finished tweaking crates.io crate warnalyzer 0.1.0
[INFO] tweaked toml for crates.io crate warnalyzer 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intervaltree v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe3e192984937c723229ba844015776e1261ca05f4bb982e7c1811bc8b774259
[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" "fe3e192984937c723229ba844015776e1261ca05f4bb982e7c1811bc8b774259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe3e192984937c723229ba844015776e1261ca05f4bb982e7c1811bc8b774259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3e192984937c723229ba844015776e1261ca05f4bb982e7c1811bc8b774259", kill_on_drop: false }`
[INFO] [stdout] fe3e192984937c723229ba844015776e1261ca05f4bb982e7c1811bc8b774259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--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] 280ffbdab0f417993bf511c2e5c10b4c75bb6c6bb2cdf72377e684464b976c20
[INFO] running `Command { std: "docker" "start" "-a" "280ffbdab0f417993bf511c2e5c10b4c75bb6c6bb2cdf72377e684464b976c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling intervaltree v0.2.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling warnalyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syn::visit`, `syn::visit`
[INFO] [stdout]   --> src/mute.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use syn::visit::{visit_item, self};
[INFO] [stdout]    |              ^^^^^               ^^^^ no `visit` in the root
[INFO] [stdout]    |              |
[INFO] [stdout]    |              could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `visit` in `syn`
[INFO] [stdout]    --> src/mute.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |     impl<'ast, 'a> syn::visit::Visit<'ast> for Visitor<'a> {
[INFO] [stdout]     |                         ^^^^^ could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warnalyzer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "280ffbdab0f417993bf511c2e5c10b4c75bb6c6bb2cdf72377e684464b976c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280ffbdab0f417993bf511c2e5c10b4c75bb6c6bb2cdf72377e684464b976c20", kill_on_drop: false }`
[INFO] [stdout] 280ffbdab0f417993bf511c2e5c10b4c75bb6c6bb2cdf72377e684464b976c20
