Aug 30 09:12:59.719 INFO checking num-bigint-0.2.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 09:12:59.719 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 09:12:59.719 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 09:12:59.922 INFO blam! 72f3504e9bb9f5acf99863dade4597a8b108b640d7648e2aedb62379d327350f
Aug 30 09:12:59.924 INFO running `"docker" "start" "-a" "72f3504e9bb9f5acf99863dade4597a8b108b640d7648e2aedb62379d327350f"`
Aug 30 09:13:00.723 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Aug 30 09:13:09.477 INFO kablam! error[E0432]: unresolved import `num_bigint::RandBigInt`
Aug 30 09:13:09.478 INFO kablam!   --> benches/bigint.rs:10:35
Aug 30 09:13:09.478 INFO kablam!    |
Aug 30 09:13:09.478 INFO kablam! 10 | use num_bigint::{BigInt, BigUint, RandBigInt};
Aug 30 09:13:09.478 INFO kablam!    |                                   ^^^^^^^^^^ no `RandBigInt` in the root
Aug 30 09:13:09.478 INFO kablam! 
Aug 30 09:13:09.493 INFO kablam! warning: unused import: `RandBigInt`
Aug 30 09:13:09.493 INFO kablam!   --> benches/bigint.rs:10:35
Aug 30 09:13:09.493 INFO kablam!    |
Aug 30 09:13:09.493 INFO kablam! 10 | use num_bigint::{BigInt, BigUint, RandBigInt};
Aug 30 09:13:09.493 INFO kablam!    |                                   ^^^^^^^^^^
Aug 30 09:13:09.514 INFO kablam!    |
Aug 30 09:13:09.515 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 09:13:09.515 INFO kablam! 
Aug 30 09:13:09.521 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.521 INFO kablam!  --> benches/bigint.rs:6:1
Aug 30 09:13:09.521 INFO kablam!   |
Aug 30 09:13:09.521 INFO kablam! 6 | extern crate rand;
Aug 30 09:13:09.521 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 30 09:13:09.546 INFO kablam!   |
Aug 30 09:13:09.547 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.547 INFO kablam! 
Aug 30 09:13:09.547 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.547 INFO kablam!   --> benches/bigint.rs:12:12
Aug 30 09:13:09.547 INFO kablam!    |
Aug 30 09:13:09.547 INFO kablam! 12 | use rand::{SeedableRng, StdRng};
Aug 30 09:13:09.547 INFO kablam!    |            ^^^^^^^^^^^
Aug 30 09:13:09.547 INFO kablam!    |
Aug 30 09:13:09.548 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.548 INFO kablam! 
Aug 30 09:13:09.548 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.548 INFO kablam!   --> benches/bigint.rs:12:25
Aug 30 09:13:09.548 INFO kablam!    |
Aug 30 09:13:09.548 INFO kablam! 12 | use rand::{SeedableRng, StdRng};
Aug 30 09:13:09.548 INFO kablam!    |                         ^^^^^^
Aug 30 09:13:09.548 INFO kablam!    |
Aug 30 09:13:09.549 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.549 INFO kablam! 
Aug 30 09:13:09.549 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.549 INFO kablam!   --> benches/bigint.rs:14:17
Aug 30 09:13:09.549 INFO kablam!    |
Aug 30 09:13:09.549 INFO kablam! 14 | fn get_rng() -> StdRng {
Aug 30 09:13:09.549 INFO kablam!    |                 ^^^^^^
Aug 30 09:13:09.549 INFO kablam!    |
Aug 30 09:13:09.549 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.550 INFO kablam! 
Aug 30 09:13:09.550 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.550 INFO kablam!   --> benches/bigint.rs:16:5
Aug 30 09:13:09.550 INFO kablam!    |
Aug 30 09:13:09.550 INFO kablam! 16 |     SeedableRng::from_seed(seed)
Aug 30 09:13:09.550 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:13:09.550 INFO kablam!    |
Aug 30 09:13:09.550 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.550 INFO kablam! 
Aug 30 09:13:09.645 INFO kablam! error[E0432]: unresolved import `num_bigint::RandBigInt`
Aug 30 09:13:09.645 INFO kablam!   --> benches/gcd.rs:10:27
Aug 30 09:13:09.645 INFO kablam!    |
Aug 30 09:13:09.645 INFO kablam! 10 | use num_bigint::{BigUint, RandBigInt};
Aug 30 09:13:09.645 INFO kablam!    |                           ^^^^^^^^^^ no `RandBigInt` in the root
Aug 30 09:13:09.645 INFO kablam! 
Aug 30 09:13:09.647 INFO kablam! warning: unused import: `RandBigInt`
Aug 30 09:13:09.647 INFO kablam!   --> benches/gcd.rs:10:27
Aug 30 09:13:09.647 INFO kablam!    |
Aug 30 09:13:09.647 INFO kablam! 10 | use num_bigint::{BigUint, RandBigInt};
Aug 30 09:13:09.647 INFO kablam!    |                           ^^^^^^^^^^
Aug 30 09:13:09.662 INFO kablam!    |
Aug 30 09:13:09.663 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 09:13:09.663 INFO kablam! 
Aug 30 09:13:09.666 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.666 INFO kablam!  --> benches/gcd.rs:7:1
Aug 30 09:13:09.666 INFO kablam!   |
Aug 30 09:13:09.666 INFO kablam! 7 | extern crate rand;
Aug 30 09:13:09.666 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 30 09:13:09.666 INFO kablam!   |
Aug 30 09:13:09.666 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.666 INFO kablam! 
Aug 30 09:13:09.666 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.666 INFO kablam!   --> benches/gcd.rs:13:12
Aug 30 09:13:09.666 INFO kablam!    |
Aug 30 09:13:09.667 INFO kablam! 13 | use rand::{SeedableRng, StdRng};
Aug 30 09:13:09.667 INFO kablam!    |            ^^^^^^^^^^^
Aug 30 09:13:09.667 INFO kablam!    |
Aug 30 09:13:09.667 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.667 INFO kablam! 
Aug 30 09:13:09.667 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.667 INFO kablam!   --> benches/gcd.rs:13:25
Aug 30 09:13:09.667 INFO kablam!    |
Aug 30 09:13:09.667 INFO kablam! 13 | use rand::{SeedableRng, StdRng};
Aug 30 09:13:09.667 INFO kablam!    |                         ^^^^^^
Aug 30 09:13:09.667 INFO kablam!    |
Aug 30 09:13:09.668 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.668 INFO kablam! 
Aug 30 09:13:09.668 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.668 INFO kablam!   --> benches/gcd.rs:15:17
Aug 30 09:13:09.668 INFO kablam!    |
Aug 30 09:13:09.668 INFO kablam! 15 | fn get_rng() -> StdRng {
Aug 30 09:13:09.668 INFO kablam!    |                 ^^^^^^
Aug 30 09:13:09.668 INFO kablam!    |
Aug 30 09:13:09.669 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.669 INFO kablam! 
Aug 30 09:13:09.669 INFO kablam! error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Aug 30 09:13:09.669 INFO kablam!   --> benches/gcd.rs:17:5
Aug 30 09:13:09.669 INFO kablam!    |
Aug 30 09:13:09.669 INFO kablam! 17 |     SeedableRng::from_seed(seed)
Aug 30 09:13:09.669 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:13:09.669 INFO kablam!    |
Aug 30 09:13:09.669 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Aug 30 09:13:09.670 INFO kablam! 
Aug 30 09:13:10.114 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.114 INFO kablam!   --> benches/gcd.rs:22:17
Aug 30 09:13:10.114 INFO kablam!    |
Aug 30 09:13:10.114 INFO kablam! 22 |     let x = rng.gen_biguint(bits);
Aug 30 09:13:10.114 INFO kablam!    |                 ^^^^^^^^^^^
Aug 30 09:13:10.126 INFO kablam! 
Aug 30 09:13:10.130 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.130 INFO kablam!   --> benches/gcd.rs:23:17
Aug 30 09:13:10.130 INFO kablam!    |
Aug 30 09:13:10.130 INFO kablam! 23 |     let y = rng.gen_biguint(bits);
Aug 30 09:13:10.130 INFO kablam!    |                 ^^^^^^^^^^^
Aug 30 09:13:10.130 INFO kablam! 
Aug 30 09:13:10.141 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.141 INFO kablam!   --> benches/bigint.rs:21:17
Aug 30 09:13:10.141 INFO kablam!    |
Aug 30 09:13:10.141 INFO kablam! 21 |     let x = rng.gen_bigint(xbits);
Aug 30 09:13:10.141 INFO kablam!    |                 ^^^^^^^^^^
Aug 30 09:13:10.158 INFO kablam! 
Aug 30 09:13:10.162 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.162 INFO kablam!   --> benches/bigint.rs:22:17
Aug 30 09:13:10.162 INFO kablam!    |
Aug 30 09:13:10.162 INFO kablam! 22 |     let y = rng.gen_bigint(ybits);
Aug 30 09:13:10.162 INFO kablam!    |                 ^^^^^^^^^^
Aug 30 09:13:10.162 INFO kablam! 
Aug 30 09:13:10.262 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.262 INFO kablam!   --> benches/bigint.rs:29:17
Aug 30 09:13:10.262 INFO kablam!    |
Aug 30 09:13:10.262 INFO kablam! 29 |     let x = rng.gen_bigint(xbits);
Aug 30 09:13:10.262 INFO kablam!    |                 ^^^^^^^^^^
Aug 30 09:13:10.286 INFO kablam! 
Aug 30 09:13:10.294 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.294 INFO kablam!   --> benches/bigint.rs:30:17
Aug 30 09:13:10.294 INFO kablam!    |
Aug 30 09:13:10.294 INFO kablam! 30 |     let y = rng.gen_bigint(ybits);
Aug 30 09:13:10.294 INFO kablam!    |                 ^^^^^^^^^^
Aug 30 09:13:10.294 INFO kablam! 
Aug 30 09:13:10.353 INFO kablam! error: aborting due to 8 previous errors
Aug 30 09:13:10.366 INFO kablam! 
Aug 30 09:13:10.367 INFO kablam! Some errors occurred: E0432, E0599, E0658.
Aug 30 09:13:10.367 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Aug 30 09:13:10.397 INFO kablam! error: Could not compile `num-bigint`.
Aug 30 09:13:10.398 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 09:13:10.608 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.608 INFO kablam!    --> benches/bigint.rs:151:17
Aug 30 09:13:10.608 INFO kablam!     |
Aug 30 09:13:10.608 INFO kablam! 151 |     let x = rng.gen_bigint(1009);
Aug 30 09:13:10.608 INFO kablam!     |                 ^^^^^^^^^^
Aug 30 09:13:10.608 INFO kablam! 
Aug 30 09:13:10.629 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.629 INFO kablam!    --> benches/bigint.rs:182:17
Aug 30 09:13:10.629 INFO kablam!     |
Aug 30 09:13:10.629 INFO kablam! 182 |     let x = rng.gen_bigint(1009);
Aug 30 09:13:10.629 INFO kablam!     |                 ^^^^^^^^^^
Aug 30 09:13:10.629 INFO kablam! 
Aug 30 09:13:10.662 INFO kablam! error[E0277]: the size for values of type `str` cannot be known at compilation time
Aug 30 09:13:10.662 INFO kablam!    --> benches/bigint.rs:183:9
Aug 30 09:13:10.662 INFO kablam!     |
Aug 30 09:13:10.662 INFO kablam! 183 |     let s = x.to_str_radix(radix);
Aug 30 09:13:10.662 INFO kablam!     |         ^ doesn't have a size known at compile-time
Aug 30 09:13:10.662 INFO kablam!     |
Aug 30 09:13:10.662 INFO kablam!     = help: the trait `std::marker::Sized` is not implemented for `str`
Aug 30 09:13:10.663 INFO kablam!     = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Aug 30 09:13:10.663 INFO kablam!     = note: all local variables must have a statically known size
Aug 30 09:13:10.663 INFO kablam!     = help: unsized locals are gated as an unstable feature
Aug 30 09:13:10.663 INFO kablam! 
Aug 30 09:13:10.790 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.791 INFO kablam!    --> benches/bigint.rs:239:54
Aug 30 09:13:10.791 INFO kablam!     |
Aug 30 09:13:10.791 INFO kablam! 239 |     let v: Vec<BigInt> = (1000..2000).map(|bits| rng.gen_bigint(bits)).collect();
Aug 30 09:13:10.791 INFO kablam!     |                                                      ^^^^^^^^^^
Aug 30 09:13:10.791 INFO kablam! 
Aug 30 09:13:10.880 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.880 INFO kablam!    --> benches/bigint.rs:278:20
Aug 30 09:13:10.880 INFO kablam!     |
Aug 30 09:13:10.880 INFO kablam! 278 |     let base = rng.gen_biguint(2048);
Aug 30 09:13:10.880 INFO kablam!     |                    ^^^^^^^^^^^
Aug 30 09:13:10.880 INFO kablam! 
Aug 30 09:13:10.882 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.882 INFO kablam!    --> benches/bigint.rs:279:17
Aug 30 09:13:10.882 INFO kablam!     |
Aug 30 09:13:10.882 INFO kablam! 279 |     let e = rng.gen_biguint(2048);
Aug 30 09:13:10.882 INFO kablam!     |                 ^^^^^^^^^^^
Aug 30 09:13:10.883 INFO kablam! 
Aug 30 09:13:10.908 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.908 INFO kablam!    --> benches/bigint.rs:288:20
Aug 30 09:13:10.908 INFO kablam!     |
Aug 30 09:13:10.908 INFO kablam! 288 |     let base = rng.gen_biguint(2048);
Aug 30 09:13:10.908 INFO kablam!     |                    ^^^^^^^^^^^
Aug 30 09:13:10.908 INFO kablam! 
Aug 30 09:13:10.911 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Aug 30 09:13:10.911 INFO kablam!    --> benches/bigint.rs:289:17
Aug 30 09:13:10.911 INFO kablam!     |
Aug 30 09:13:10.911 INFO kablam! 289 |     let e = rng.gen_biguint(2048);
Aug 30 09:13:10.911 INFO kablam!     |                 ^^^^^^^^^^^
Aug 30 09:13:10.911 INFO kablam! 
Aug 30 09:13:10.939 INFO kablam! error: aborting due to 18 previous errors
Aug 30 09:13:10.939 INFO kablam! 
Aug 30 09:13:10.939 INFO kablam! Some errors occurred: E0277, E0432, E0599, E0658.
Aug 30 09:13:10.939 INFO kablam! For more information about an error, try `rustc --explain E0277`.
Aug 30 09:13:10.951 INFO kablam! error: Could not compile `num-bigint`.
Aug 30 09:13:10.951 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 09:13:14.113 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 09:13:14.113 INFO kablam!    --> tests/biguint.rs:769:5
Aug 30 09:13:14.113 INFO kablam!     |
Aug 30 09:13:14.113 INFO kablam! 769 |     a - b;
Aug 30 09:13:14.114 INFO kablam!     |     ^^^^^
Aug 30 09:13:14.114 INFO kablam!     |
Aug 30 09:13:14.114 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 09:13:14.114 INFO kablam! 
Aug 30 09:13:14.271 INFO kablam! error: build failed
Aug 30 09:13:14.273 INFO kablam! su: No module specific data is present
Aug 30 09:13:14.678 INFO running `"docker" "rm" "-f" "72f3504e9bb9f5acf99863dade4597a8b108b640d7648e2aedb62379d327350f"`
Aug 30 09:13:14.818 INFO blam! 72f3504e9bb9f5acf99863dade4597a8b108b640d7648e2aedb62379d327350f