[INFO] fetching crate num-bigint-dig 0.4.0...
[INFO] checking num-bigint-dig-0.4.0 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate num-bigint-dig 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate num-bigint-dig 0.4.0 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate num-bigint-dig 0.4.0
[INFO] finished tweaking crates.io crate num-bigint-dig 0.4.0
[INFO] tweaked toml for crates.io crate num-bigint-dig 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d261d8bc8c55fc22efd6d28c6bb121befad674fab20aeda7103245f0580a6c4f
[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" "d261d8bc8c55fc22efd6d28c6bb121befad674fab20aeda7103245f0580a6c4f"`
[INFO] [stderr]    Compiling num-bigint-dig v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bigint.rs:704:18
[INFO] [stderr]     |
[INFO] [stderr] 704 |         let bu = try!(BigUint::from_str_radix(s, radix));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/biguint.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                 b'0'...b'9' => b - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/biguint.rs:258:21
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 b'a'...b'z' => b - b'a' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/biguint.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 b'A'...b'Z' => b - b'A' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bigint.rs:704:18
[INFO] [stderr]     |
[INFO] [stderr] 704 |         let bu = try!(BigUint::from_str_radix(s, radix));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/biguint.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                 b'0'...b'9' => b - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/biguint.rs:258:21
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 b'a'...b'z' => b - b'a' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/biguint.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 b'A'...b'Z' => b - b'A' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToBigInt` is imported redundantly
[INFO] [stderr]    --> src/algorithms/gcd.rs:334:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |     use super::*;
[INFO] [stderr]     |         -------- the item `ToBigInt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 334 |         use crate::bigint::ToBigInt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/bigint.rs:679:13
[INFO] [stderr]     |
[INFO] [stderr] 679 |         let mut a = BigInt::from_slice(Plus, a_vec);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/bigint.rs:680:13
[INFO] [stderr]     |
[INFO] [stderr] 680 |         let mut b = BigInt::from_slice(Plus, b_vec);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/bigint.rs:681:13
[INFO] [stderr]     |
[INFO] [stderr] 681 |         let mut c = BigInt::from_slice(Plus, c_vec);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `"docker" "inspect" "d261d8bc8c55fc22efd6d28c6bb121befad674fab20aeda7103245f0580a6c4f"`
[INFO] running `"docker" "rm" "-f" "d261d8bc8c55fc22efd6d28c6bb121befad674fab20aeda7103245f0580a6c4f"`
[INFO] [stdout] d261d8bc8c55fc22efd6d28c6bb121befad674fab20aeda7103245f0580a6c4f