[INFO] fetching crate num-bigint 0.1.45...
[INFO] checking num-bigint-0.1.45 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate num-bigint 0.1.45 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate num-bigint 0.1.45
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate num-bigint 0.1.45
[INFO] tweaked toml for crates.io crate num-bigint 0.1.45 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate num-bigint 0.1.45 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate num-bigint 0.1.45 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a3180a31db6f33013f34c9b93ec747212cd14f8589e3fb1bb8c9d8ba8e9edf4
[INFO] running `Command { std: "docker" "start" "-a" "7a3180a31db6f33013f34c9b93ec747212cd14f8589e3fb1bb8c9d8ba8e9edf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a3180a31db6f33013f34c9b93ec747212cd14f8589e3fb1bb8c9d8ba8e9edf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3180a31db6f33013f34c9b93ec747212cd14f8589e3fb1bb8c9d8ba8e9edf4", kill_on_drop: false }`
[INFO] [stdout] 7a3180a31db6f33013f34c9b93ec747212cd14f8589e3fb1bb8c9d8ba8e9edf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 820a6d1f8a2bdd5840979c495e00829a7656a854dc8e005e9236a9b738da8539
[INFO] running `Command { std: "docker" "start" "-a" "820a6d1f8a2bdd5840979c495e00829a7656a854dc8e005e9236a9b738da8539", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling num-bigint v0.1.45 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr] warning: num-bigint@0.1.45: rustc-serialize is not supported by the current compiler
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: unused import: `ZERO_BIG_DIGIT`
[INFO] [stdout]   --> src/biguint.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub use self::big_digit::{BigDigit, DoubleBigDigit, ZERO_BIG_DIGIT};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/biguint.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 b'0'...b'9' => b - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/biguint.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 b'a'...b'z' => b - b'a' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/biguint.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 b'A'...b'Z' => b - b'A' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bigint.rs:208:18
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let bu = try!(BigUint::from_str_radix(s, radix));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/biguint.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/bigint.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZERO_BIG_DIGIT`
[INFO] [stdout]   --> src/biguint.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub use self::big_digit::{BigDigit, DoubleBigDigit, ZERO_BIG_DIGIT};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests/biguint.rs:530:34
[INFO] [stdout]     |
[INFO] [stdout] 530 |     check(BigUint::new(vec![1]), (1 << (0 * big_digit::BITS)));
[INFO] [stdout]     |                                  ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 530 -     check(BigUint::new(vec![1]), (1 << (0 * big_digit::BITS)));
[INFO] [stdout] 530 +     check(BigUint::new(vec![1]), 1 << (0 * big_digit::BITS) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests/biguint.rs:532:37
[INFO] [stdout]     |
[INFO] [stdout] 532 |     check(BigUint::new(vec![0, 1]), (1 << (1 * big_digit::BITS)));
[INFO] [stdout]     |                                     ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 532 -     check(BigUint::new(vec![0, 1]), (1 << (1 * big_digit::BITS)));
[INFO] [stdout] 532 +     check(BigUint::new(vec![0, 1]), 1 << (1 * big_digit::BITS) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests/biguint.rs:556:34
[INFO] [stdout]     |
[INFO] [stdout] 556 |     check(BigUint::new(vec![1]), (1 << (0 * big_digit::BITS)));
[INFO] [stdout]     |                                  ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 556 -     check(BigUint::new(vec![1]), (1 << (0 * big_digit::BITS)));
[INFO] [stdout] 556 +     check(BigUint::new(vec![1]), 1 << (0 * big_digit::BITS) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests/biguint.rs:558:37
[INFO] [stdout]     |
[INFO] [stdout] 558 |     check(BigUint::new(vec![0, 1]), (1 << (1 * big_digit::BITS)));
[INFO] [stdout]     |                                     ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 558 -     check(BigUint::new(vec![0, 1]), (1 << (1 * big_digit::BITS)));
[INFO] [stdout] 558 +     check(BigUint::new(vec![0, 1]), 1 << (1 * big_digit::BITS) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/biguint.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 b'0'...b'9' => b - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/biguint.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 b'a'...b'z' => b - b'a' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/biguint.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 b'A'...b'Z' => b - b'A' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bigint.rs:208:18
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let bu = try!(BigUint::from_str_radix(s, radix));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/biguint.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]     --> src/tests/biguint.rs:1490:21
[INFO] [stdout]      |
[INFO] [stdout] 1490 |     use std::ascii::AsciiExt;
[INFO] [stdout]      |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/bigint.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> benches/shootout-pidigits.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(write!(out, "{}", d));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> benches/shootout-pidigits.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 |         if i % 10 == 0 { try!(write!(out, "\t:{}\n", i)); }
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> benches/shootout-pidigits.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(write!(out, "\t:{}\n", n));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> benches/shootout-pidigits.rs:116:26
[INFO] [stdout]     |
[INFO] [stdout] 116 |         for _ in m..10 { try!(write!(out, " ")); }
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/shootout-pidigits.rs:95:33
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn pidigits(n: isize, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn pidigits(n: isize, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/tests/biguint.rs:803:5
[INFO] [stdout]     |
[INFO] [stdout] 803 |     a - b;
[INFO] [stdout]     |     ^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 803 |     let _ = a - b;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "820a6d1f8a2bdd5840979c495e00829a7656a854dc8e005e9236a9b738da8539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820a6d1f8a2bdd5840979c495e00829a7656a854dc8e005e9236a9b738da8539", kill_on_drop: false }`
[INFO] [stdout] 820a6d1f8a2bdd5840979c495e00829a7656a854dc8e005e9236a9b738da8539
