Dec 07 00:39:44.042 INFO testing rust-base58-0.0.4 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 00:39:44.042 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 00:39:44.462 INFO [stdout] 54cd881843a627dbacb21807e5bb0b67e141ab16c1e7e13d8001a35fcd403aef
Dec 07 00:39:44.470 INFO running `"docker" "start" "-a" "54cd881843a627dbacb21807e5bb0b67e141ab16c1e7e13d8001a35fcd403aef"`
Dec 07 00:39:45.622 INFO [stderr] usermod: no changes
Dec 07 00:39:45.749 INFO [stderr]    Compiling rust-base58 v0.0.4 (/source)
Dec 07 00:39:46.740 INFO [stderr] warning: static item is never used: `FLICKR_ALPHA`
Dec 07 00:39:46.740 INFO [stderr]   --> src/base58.rs:12:1
Dec 07 00:39:46.740 INFO [stderr]    |
Dec 07 00:39:46.740 INFO [stderr] 12 | / static FLICKR_ALPHA: &'static[u8] = b"123456789\
Dec 07 00:39:46.740 INFO [stderr] 13 | |                                       abcdefghijkmnopqrstuvwxyz\
Dec 07 00:39:46.740 INFO [stderr] 14 | |                                       ABCDEFGHJKLMNPQRSTUVWXYZ";
Dec 07 00:39:46.740 INFO [stderr]    | |________________________________________________________________^
Dec 07 00:39:46.740 INFO [stderr]    |
Dec 07 00:39:46.740 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 00:39:46.740 INFO [stderr] 
Dec 07 00:39:47.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 07 00:39:47.068 INFO [stderr] su: No module specific data is present
Dec 07 00:39:47.747 INFO running `"docker" "inspect" "54cd881843a627dbacb21807e5bb0b67e141ab16c1e7e13d8001a35fcd403aef"`
Dec 07 00:39:47.954 INFO running `"docker" "rm" "-f" "54cd881843a627dbacb21807e5bb0b67e141ab16c1e7e13d8001a35fcd403aef"`
Dec 07 00:39:48.256 INFO [stdout] 54cd881843a627dbacb21807e5bb0b67e141ab16c1e7e13d8001a35fcd403aef
Dec 07 00:39:48.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 00:39:48.780 INFO [stdout] ddf09cd34fe33447327b3e0bef5afe704932c1f341a5dd8c533d89b956baf470
Dec 07 00:39:48.792 INFO running `"docker" "start" "-a" "ddf09cd34fe33447327b3e0bef5afe704932c1f341a5dd8c533d89b956baf470"`
Dec 07 00:39:49.573 INFO [stderr] usermod: no changes
Dec 07 00:39:49.708 INFO [stderr]    Compiling rust-base58 v0.0.4 (/source)
Dec 07 00:39:51.524 INFO [stderr] error[E0599]: no method named `gen_iter` found for type `rand::prelude::ThreadRng` in the current scope
Dec 07 00:39:51.524 INFO [stderr]    --> src/base58.rs:201:34
Dec 07 00:39:51.524 INFO [stderr]     |
Dec 07 00:39:51.524 INFO [stderr] 201 |             let v = thread_rng().gen_iter::<u8>().take(times)
Dec 07 00:39:51.524 INFO [stderr]     |                                  ^^^^^^^^
Dec 07 00:39:51.524 INFO [stderr] 
Dec 07 00:39:51.524 INFO [stderr] error: aborting due to previous error
Dec 07 00:39:51.524 INFO [stderr] 
Dec 07 00:39:51.524 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 07 00:39:51.538 INFO [stderr] error: Could not compile `rust-base58`.
Dec 07 00:39:51.544 INFO [stderr] 
Dec 07 00:39:51.544 INFO [stderr] To learn more, run the command again with --verbose.
Dec 07 00:39:51.544 INFO [stderr] su: No module specific data is present
Dec 07 00:39:52.208 INFO running `"docker" "inspect" "ddf09cd34fe33447327b3e0bef5afe704932c1f341a5dd8c533d89b956baf470"`
Dec 07 00:39:52.450 INFO running `"docker" "rm" "-f" "ddf09cd34fe33447327b3e0bef5afe704932c1f341a5dd8c533d89b956baf470"`
Dec 07 00:39:52.792 INFO [stdout] ddf09cd34fe33447327b3e0bef5afe704932c1f341a5dd8c533d89b956baf470