[INFO] crate spandoc 0.1.0 is already in cache
[INFO] checking spandoc-0.1.0 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] extracting crate spandoc 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate spandoc 0.1.0 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spandoc 0.1.0
[INFO] finished tweaking crates.io crate spandoc 0.1.0
[INFO] tweaked toml for crates.io crate spandoc 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate spandoc 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a8a1d3f69e0f9f5f256ead64b5d2f58d44a7b643864cac593a569b3f00db2ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0a8a1d3f69e0f9f5f256ead64b5d2f58d44a7b643864cac593a569b3f00db2ab"`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking spandoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `tracing`
[INFO] [stderr]  --> examples/happy.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tracing::instrument;
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `tracing`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tracing_subscriber`
[INFO] [stderr]  --> examples/happy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing_subscriber::{layer::Layer, registry::Registry, EnvFilter};
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^ use of undeclared type or module `tracing_subscriber`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `tracing_error`
[INFO] [stderr]  --> examples/happy.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tracing_error::{Context, ErrorLayer};
[INFO] [stderr]   |     ^^^^^^^^^^^^^ use of undeclared type or module `tracing_error`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `tracing_subscriber`
[INFO] [stderr]  --> examples/happy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing_subscriber::{layer::Layer, registry::Registry, EnvFilter};
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^ use of undeclared type or module `tracing_subscriber`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stderr]   --> examples/happy.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     /// Doing first grab of context
[INFO] [stderr] 11 | |     let _a = get_context();
[INFO] [stderr]    | |___________________________^ use of undeclared type or module `tracing`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stderr]   --> examples/happy.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     /// Getting context from inside a block
[INFO] [stderr] 14 | |     {
[INFO] [stderr] 15 | |         get_context()
[INFO] [stderr] 16 | |     }
[INFO] [stderr]    | |_____^ use of undeclared type or module `tracing`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stderr]   --> examples/happy.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     /// Capturing context
[INFO] [stderr] 23 | |     let ctx = Context::current().unwrap();
[INFO] [stderr]    | |__________________________________________^ use of undeclared type or module `tracing`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `instrument`
[INFO] [stderr]   --> examples/happy.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[instrument]
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Registry`
[INFO] [stderr]   --> examples/happy.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |         .with_subscriber(Registry::default());
[INFO] [stderr]    |                          ^^^^^^^^ use of undeclared type or module `Registry`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tracing`
[INFO] [stderr]   --> examples/happy.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     tracing::subscriber::set_global_default(subscriber).expect("Could not set global default");
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `tracing`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `spandoc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0a8a1d3f69e0f9f5f256ead64b5d2f58d44a7b643864cac593a569b3f00db2ab"`
[INFO] running `"docker" "rm" "-f" "0a8a1d3f69e0f9f5f256ead64b5d2f58d44a7b643864cac593a569b3f00db2ab"`
[INFO] [stdout] 0a8a1d3f69e0f9f5f256ead64b5d2f58d44a7b643864cac593a569b3f00db2ab