[INFO] fetching crate currency 0.4.0...
[INFO] checking currency-0.4.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate currency 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate currency 0.4.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate currency 0.4.0
[INFO] finished tweaking crates.io crate currency 0.4.0
[INFO] tweaked toml for crates.io crate currency 0.4.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3ae28a9d875a8b11151201ae783873ceb7ed9a51e90af34281238a7090d9db74
[INFO] running `"docker" "start" "-a" "3ae28a9d875a8b11151201ae783873ceb7ed9a51e90af34281238a7090d9db74"`
[INFO] [stderr]     Checking currency v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `BigUint` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                           ------- the item `BigUint` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Sign` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                                    ---- the item `Sign` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `BigUint` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                           ------- the item `BigUint` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Sign` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                                    ---- the item `Sign` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/lib.rs:752:13
[INFO] [stderr]     |
[INFO] [stderr] 752 |         use std::str::FromStr;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "3ae28a9d875a8b11151201ae783873ceb7ed9a51e90af34281238a7090d9db74"`
[INFO] running `"docker" "rm" "-f" "3ae28a9d875a8b11151201ae783873ceb7ed9a51e90af34281238a7090d9db74"`
[INFO] [stdout] 3ae28a9d875a8b11151201ae783873ceb7ed9a51e90af34281238a7090d9db74