[INFO] fetching crate rust-base58 0.0.4...
[INFO] checking rust-base58-0.0.4 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate rust-base58 0.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-base58 0.0.4 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-base58 0.0.4
[INFO] finished tweaking crates.io crate rust-base58 0.0.4
[INFO] tweaked toml for crates.io crate rust-base58 0.0.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e396367e5a9ef5773941ab5e77754f0a8d13a3a4be6bea1f8202db5b542a6cf1
[INFO] running `"docker" "start" "-a" "e396367e5a9ef5773941ab5e77754f0a8d13a3a4be6bea1f8202db5b542a6cf1"`
[INFO] [stderr]     Checking rust-base58 v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: static item is never used: `FLICKR_ALPHA`
[INFO] [stderr]   --> src/base58.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / static FLICKR_ALPHA: &'static[u8] = b"123456789\
[INFO] [stderr] 13 | |                                       abcdefghijkmnopqrstuvwxyz\
[INFO] [stderr] 14 | |                                       ABCDEFGHJKLMNPQRSTUVWXYZ";
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_iter` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/base58.rs:201:34
[INFO] [stderr]     |
[INFO] [stderr] 201 |             let v = thread_rng().gen_iter::<u8>().take(times)
[INFO] [stderr]     |                                  ^^^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rust-base58`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e396367e5a9ef5773941ab5e77754f0a8d13a3a4be6bea1f8202db5b542a6cf1"`
[INFO] running `"docker" "rm" "-f" "e396367e5a9ef5773941ab5e77754f0a8d13a3a4be6bea1f8202db5b542a6cf1"`
[INFO] [stdout] e396367e5a9ef5773941ab5e77754f0a8d13a3a4be6bea1f8202db5b542a6cf1