[INFO] crate sled_sync 0.3.0 is already in cache
[INFO] checking sled_sync-0.3.0 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate sled_sync 0.3.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate sled_sync 0.3.0 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sled_sync 0.3.0
[INFO] finished tweaking crates.io crate sled_sync 0.3.0
[INFO] tweaked toml for crates.io crate sled_sync 0.3.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 360fa03924fd0eb56df1f1d67049b30ab3fe1472b238be3f57f19f9c85714889
[INFO] running `"docker" "start" "-a" "360fa03924fd0eb56df1f1d67049b30ab3fe1472b238be3f57f19f9c85714889"`
[INFO] [stderr]     Checking sled_sync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `rand`
[INFO] [stderr]  --> src/debug_delay.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     rand::{
[INFO] [stderr]   |     ^^^^ use of undeclared type or module `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `log`, `rand`, `rand_hc`
[INFO] [stderr]   --> src/debug_delay.rs:5:5
[INFO] [stderr]    |
[INFO] [stderr] 5  |     log::warn,
[INFO] [stderr]    |     ^^^ use of undeclared type or module `log`
[INFO] [stderr] 6  |     rand::{
[INFO] [stderr]    |     ^^^^ use of undeclared type or module `rand`
[INFO] [stderr] ...
[INFO] [stderr] 11 |     rand_hc::Hc128Core,
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `rand_hc`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `warn`
[INFO] [stderr]   --> src/debug_delay.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         warn!(
[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 `Gamma`
[INFO] [stderr]   --> src/debug_delay.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let gamma = Gamma::new(0.3, 100_000.0);
[INFO] [stderr]    |                     ^^^^^ use of undeclared type or module `Gamma`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EntropyRng`
[INFO] [stderr]   --> src/debug_delay.rs:50:34
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut entropy_source = EntropyRng::new();
[INFO] [stderr]    |                                  ^^^^^^^^^^ use of undeclared type or module `EntropyRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `rand`
[INFO] [stderr]   --> src/debug_delay.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |     ) -> Result<(), rand::Error> {
[INFO] [stderr]    |                     ^^^^ use of undeclared type or module `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `EntropyRng` in this scope
[INFO] [stderr]   --> src/debug_delay.rs:43:39
[INFO] [stderr]    |
[INFO] [stderr] 43 |     rng: *mut ReseedingRng<Hc128Core, EntropyRng>,
[INFO] [stderr]    |                                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `EntropyRng` in this scope
[INFO] [stderr]   --> src/debug_delay.rs:49:66
[INFO] [stderr]    |
[INFO] [stderr] 49 |     static THREAD_RNG_KEY: Rc<UnsafeCell<ReseedingRng<Hc128Core, EntropyRng>>> = {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `sled_sync`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "360fa03924fd0eb56df1f1d67049b30ab3fe1472b238be3f57f19f9c85714889"`
[INFO] running `"docker" "rm" "-f" "360fa03924fd0eb56df1f1d67049b30ab3fe1472b238be3f57f19f9c85714889"`
[INFO] [stdout] 360fa03924fd0eb56df1f1d67049b30ab3fe1472b238be3f57f19f9c85714889