Jul 12 03:13:20.107 INFO checking num-bigint-0.2.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 03:13:20.107 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 03:13:20.107 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 03:13:20.108 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 03:13:20.336 INFO blam! 35b21a380e2379067b7f2764f929c86bf13ca8e1af8598b7a730a4f53f67cf66
Jul 12 03:13:20.339 INFO running `"docker" "start" "-a" "35b21a380e2379067b7f2764f929c86bf13ca8e1af8598b7a730a4f53f67cf66"`
Jul 12 03:13:21.441 INFO kablam!    Compiling num-bigint v0.2.0 (file:///source)
Jul 12 03:13:34.267 INFO kablam! error[E0432]: unresolved import `num_bigint::RandBigInt`
Jul 12 03:13:34.267 INFO kablam!   --> benches/bigint.rs:10:35
Jul 12 03:13:34.267 INFO kablam!    |
Jul 12 03:13:34.267 INFO kablam! 10 | use num_bigint::{BigInt, BigUint, RandBigInt};
Jul 12 03:13:34.268 INFO kablam!    |                                   ^^^^^^^^^^ no `RandBigInt` in the root
Jul 12 03:13:34.268 INFO kablam! 
Jul 12 03:13:34.282 INFO kablam! warning: unused import: `RandBigInt`
Jul 12 03:13:34.282 INFO kablam!   --> benches/bigint.rs:10:35
Jul 12 03:13:34.282 INFO kablam!    |
Jul 12 03:13:34.282 INFO kablam! 10 | use num_bigint::{BigInt, BigUint, RandBigInt};
Jul 12 03:13:34.282 INFO kablam!    |                                   ^^^^^^^^^^
Jul 12 03:13:34.283 INFO kablam!    |
Jul 12 03:13:34.283 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 12 03:13:34.283 INFO kablam! 
Jul 12 03:13:34.343 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)
Jul 12 03:13:34.343 INFO kablam!  --> benches/bigint.rs:6:1
Jul 12 03:13:34.343 INFO kablam!   |
Jul 12 03:13:34.343 INFO kablam! 6 | extern crate rand;
Jul 12 03:13:34.343 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Jul 12 03:13:34.344 INFO kablam!   |
Jul 12 03:13:34.345 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:34.346 INFO kablam! 
Jul 12 03:13:34.355 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)
Jul 12 03:13:34.355 INFO kablam!   --> benches/bigint.rs:12:12
Jul 12 03:13:34.355 INFO kablam!    |
Jul 12 03:13:34.355 INFO kablam! 12 | use rand::{SeedableRng, StdRng};
Jul 12 03:13:34.355 INFO kablam!    |            ^^^^^^^^^^^
Jul 12 03:13:34.363 INFO kablam!    |
Jul 12 03:13:34.364 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:34.364 INFO kablam! 
Jul 12 03:13:34.365 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)
Jul 12 03:13:34.365 INFO kablam!   --> benches/bigint.rs:12:25
Jul 12 03:13:34.365 INFO kablam!    |
Jul 12 03:13:34.365 INFO kablam! 12 | use rand::{SeedableRng, StdRng};
Jul 12 03:13:34.365 INFO kablam!    |                         ^^^^^^
Jul 12 03:13:34.366 INFO kablam!    |
Jul 12 03:13:34.367 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:34.367 INFO kablam! 
Jul 12 03:13:34.368 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)
Jul 12 03:13:34.368 INFO kablam!   --> benches/bigint.rs:14:17
Jul 12 03:13:34.368 INFO kablam!    |
Jul 12 03:13:34.368 INFO kablam! 14 | fn get_rng() -> StdRng {
Jul 12 03:13:34.368 INFO kablam!    |                 ^^^^^^
Jul 12 03:13:34.368 INFO kablam!    |
Jul 12 03:13:34.369 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:34.369 INFO kablam! 
Jul 12 03:13:34.370 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)
Jul 12 03:13:34.370 INFO kablam!   --> benches/bigint.rs:16:5
Jul 12 03:13:34.370 INFO kablam!    |
Jul 12 03:13:34.370 INFO kablam! 16 |     SeedableRng::from_seed(seed)
Jul 12 03:13:34.370 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:13:34.371 INFO kablam!    |
Jul 12 03:13:34.371 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:34.372 INFO kablam! 
Jul 12 03:13:35.321 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:35.321 INFO kablam!   --> benches/bigint.rs:21:17
Jul 12 03:13:35.321 INFO kablam!    |
Jul 12 03:13:35.321 INFO kablam! 21 |     let x = rng.gen_bigint(xbits);
Jul 12 03:13:35.322 INFO kablam!    |                 ^^^^^^^^^^
Jul 12 03:13:35.351 INFO kablam! 
Jul 12 03:13:35.354 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:35.354 INFO kablam!   --> benches/bigint.rs:22:17
Jul 12 03:13:35.354 INFO kablam!    |
Jul 12 03:13:35.354 INFO kablam! 22 |     let y = rng.gen_bigint(ybits);
Jul 12 03:13:35.354 INFO kablam!    |                 ^^^^^^^^^^
Jul 12 03:13:35.358 INFO kablam! 
Jul 12 03:13:35.485 INFO kablam! error[E0432]: unresolved import `num_bigint::RandBigInt`
Jul 12 03:13:35.485 INFO kablam!   --> benches/gcd.rs:10:27
Jul 12 03:13:35.485 INFO kablam!    |
Jul 12 03:13:35.485 INFO kablam! 10 | use num_bigint::{BigUint, RandBigInt};
Jul 12 03:13:35.485 INFO kablam!    |                           ^^^^^^^^^^ no `RandBigInt` in the root
Jul 12 03:13:35.495 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:35.495 INFO kablam!   --> benches/bigint.rs:29:17
Jul 12 03:13:35.495 INFO kablam!    |
Jul 12 03:13:35.495 INFO kablam! 29 |     let x = rng.gen_bigint(xbits);
Jul 12 03:13:35.495 INFO kablam!    |                 ^^^^^^^^^^
Jul 12 03:13:35.499 INFO kablam! 
Jul 12 03:13:35.506 INFO kablam! warning: unused import: `RandBigInt`
Jul 12 03:13:35.506 INFO kablam!   --> benches/gcd.rs:10:27
Jul 12 03:13:35.506 INFO kablam!    |
Jul 12 03:13:35.506 INFO kablam! 10 | use num_bigint::{BigUint, RandBigInt};
Jul 12 03:13:35.506 INFO kablam!    |                           ^^^^^^^^^^
Jul 12 03:13:35.507 INFO kablam!    |
Jul 12 03:13:35.507 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 12 03:13:35.508 INFO kablam! 
Jul 12 03:13:35.511 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)
Jul 12 03:13:35.511 INFO kablam!  --> benches/gcd.rs:7:1
Jul 12 03:13:35.511 INFO kablam!   |
Jul 12 03:13:35.511 INFO kablam! 7 | extern crate rand;
Jul 12 03:13:35.511 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Jul 12 03:13:35.534 INFO kablam! 
Jul 12 03:13:35.538 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:35.538 INFO kablam!   --> benches/bigint.rs:30:17
Jul 12 03:13:35.538 INFO kablam!    |
Jul 12 03:13:35.538 INFO kablam! 30 |     let y = rng.gen_bigint(ybits);
Jul 12 03:13:35.538 INFO kablam!    |                 ^^^^^^^^^^
Jul 12 03:13:35.546 INFO kablam!   |
Jul 12 03:13:35.546 INFO kablam!   = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:35.547 INFO kablam! 
Jul 12 03:13:35.547 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)
Jul 12 03:13:35.547 INFO kablam!   --> benches/gcd.rs:13:12
Jul 12 03:13:35.547 INFO kablam!    |
Jul 12 03:13:35.547 INFO kablam! 13 | use rand::{SeedableRng, StdRng};
Jul 12 03:13:35.547 INFO kablam!    |            ^^^^^^^^^^^
Jul 12 03:13:35.548 INFO kablam!    |
Jul 12 03:13:35.548 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:35.549 INFO kablam! 
Jul 12 03:13:35.549 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)
Jul 12 03:13:35.549 INFO kablam!   --> benches/gcd.rs:13:25
Jul 12 03:13:35.550 INFO kablam!    |
Jul 12 03:13:35.550 INFO kablam! 13 | use rand::{SeedableRng, StdRng};
Jul 12 03:13:35.550 INFO kablam!    |                         ^^^^^^
Jul 12 03:13:35.550 INFO kablam!    |
Jul 12 03:13:35.551 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:35.551 INFO kablam! 
Jul 12 03:13:35.552 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)
Jul 12 03:13:35.552 INFO kablam!   --> benches/gcd.rs:15:17
Jul 12 03:13:35.552 INFO kablam!    |
Jul 12 03:13:35.552 INFO kablam! 15 | fn get_rng() -> StdRng {
Jul 12 03:13:35.552 INFO kablam!    |                 ^^^^^^
Jul 12 03:13:35.552 INFO kablam!    |
Jul 12 03:13:35.553 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:35.553 INFO kablam! 
Jul 12 03:13:35.554 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)
Jul 12 03:13:35.554 INFO kablam!   --> benches/gcd.rs:17:5
Jul 12 03:13:35.554 INFO kablam!    |
Jul 12 03:13:35.554 INFO kablam! 17 |     SeedableRng::from_seed(seed)
Jul 12 03:13:35.554 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:13:35.555 INFO kablam!    |
Jul 12 03:13:35.555 INFO kablam!    = help: add #![feature(rustc_private)] to the crate attributes to enable
Jul 12 03:13:35.555 INFO kablam! 
Jul 12 03:13:35.557 INFO kablam! 
Jul 12 03:13:36.606 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:36.606 INFO kablam!    --> benches/bigint.rs:151:17
Jul 12 03:13:36.606 INFO kablam!     |
Jul 12 03:13:36.606 INFO kablam! 151 |     let x = rng.gen_bigint(1009);
Jul 12 03:13:36.607 INFO kablam!     |                 ^^^^^^^^^^
Jul 12 03:13:36.607 INFO kablam! 
Jul 12 03:13:36.696 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:36.696 INFO kablam!    --> benches/bigint.rs:182:17
Jul 12 03:13:36.696 INFO kablam!     |
Jul 12 03:13:36.696 INFO kablam! 182 |     let x = rng.gen_bigint(1009);
Jul 12 03:13:36.696 INFO kablam!     |                 ^^^^^^^^^^
Jul 12 03:13:36.710 INFO kablam! 
Jul 12 03:13:36.830 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:36.830 INFO kablam!   --> benches/gcd.rs:22:17
Jul 12 03:13:36.830 INFO kablam!    |
Jul 12 03:13:36.830 INFO kablam! 22 |     let x = rng.gen_biguint(bits);
Jul 12 03:13:36.830 INFO kablam!    |                 ^^^^^^^^^^^
Jul 12 03:13:36.849 INFO kablam! error[E0277]: the size for value values of type `str` cannot be known at compilation time
Jul 12 03:13:36.849 INFO kablam!    --> benches/bigint.rs:183:9
Jul 12 03:13:36.849 INFO kablam!     |
Jul 12 03:13:36.849 INFO kablam! 183 |     let s = x.to_str_radix(radix);
Jul 12 03:13:36.849 INFO kablam!     |         ^ doesn't have a size known at compile-time
Jul 12 03:13:36.849 INFO kablam!     |
Jul 12 03:13:36.849 INFO kablam!     = help: the trait `std::marker::Sized` is not implemented for `str`
Jul 12 03:13:36.849 INFO kablam!     = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types--sized>
Jul 12 03:13:36.849 INFO kablam!     = note: all local variables must have a statically known size
Jul 12 03:13:36.849 INFO kablam! 
Jul 12 03:13:36.875 INFO kablam! 
Jul 12 03:13:36.878 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:36.879 INFO kablam!   --> benches/gcd.rs:23:17
Jul 12 03:13:36.879 INFO kablam!    |
Jul 12 03:13:36.879 INFO kablam! 23 |     let y = rng.gen_biguint(bits);
Jul 12 03:13:36.879 INFO kablam!    |                 ^^^^^^^^^^^
Jul 12 03:13:36.879 INFO kablam! 
Jul 12 03:13:36.967 INFO kablam! error: aborting due to 8 previous errors
Jul 12 03:13:36.967 INFO kablam! 
Jul 12 03:13:36.967 INFO kablam! Some errors occurred: E0432, E0599, E0658.
Jul 12 03:13:36.968 INFO kablam! For more information about an error, try `rustc --explain E0432`.
Jul 12 03:13:36.979 INFO kablam! error: Could not compile `num-bigint`.
Jul 12 03:13:36.980 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 03:13:37.151 INFO kablam! error[E0599]: no method named `gen_bigint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:37.151 INFO kablam!    --> benches/bigint.rs:239:54
Jul 12 03:13:37.151 INFO kablam!     |
Jul 12 03:13:37.152 INFO kablam! 239 |     let v: Vec<BigInt> = (1000..2000).map(|bits| rng.gen_bigint(bits)).collect();
Jul 12 03:13:37.152 INFO kablam!     |                                                      ^^^^^^^^^^
Jul 12 03:13:37.152 INFO kablam! 
Jul 12 03:13:37.259 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:37.259 INFO kablam!    --> benches/bigint.rs:278:20
Jul 12 03:13:37.259 INFO kablam!     |
Jul 12 03:13:37.259 INFO kablam! 278 |     let base = rng.gen_biguint(2048);
Jul 12 03:13:37.260 INFO kablam!     |                    ^^^^^^^^^^^
Jul 12 03:13:37.260 INFO kablam! 
Jul 12 03:13:37.275 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:37.275 INFO kablam!    --> benches/bigint.rs:279:17
Jul 12 03:13:37.275 INFO kablam!     |
Jul 12 03:13:37.275 INFO kablam! 279 |     let e = rng.gen_biguint(2048);
Jul 12 03:13:37.275 INFO kablam!     |                 ^^^^^^^^^^^
Jul 12 03:13:37.275 INFO kablam! 
Jul 12 03:13:37.280 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:37.280 INFO kablam!    --> benches/bigint.rs:288:20
Jul 12 03:13:37.280 INFO kablam!     |
Jul 12 03:13:37.280 INFO kablam! 288 |     let base = rng.gen_biguint(2048);
Jul 12 03:13:37.280 INFO kablam!     |                    ^^^^^^^^^^^
Jul 12 03:13:37.294 INFO kablam! 
Jul 12 03:13:37.298 INFO kablam! error[E0599]: no method named `gen_biguint` found for type `rand::StdRng` in the current scope
Jul 12 03:13:37.298 INFO kablam!    --> benches/bigint.rs:289:17
Jul 12 03:13:37.298 INFO kablam!     |
Jul 12 03:13:37.298 INFO kablam! 289 |     let e = rng.gen_biguint(2048);
Jul 12 03:13:37.298 INFO kablam!     |                 ^^^^^^^^^^^
Jul 12 03:13:37.298 INFO kablam! 
Jul 12 03:13:37.323 INFO kablam! error: aborting due to 18 previous errors
Jul 12 03:13:37.323 INFO kablam! 
Jul 12 03:13:37.323 INFO kablam! Some errors occurred: E0277, E0432, E0599, E0658.
Jul 12 03:13:37.324 INFO kablam! For more information about an error, try `rustc --explain E0277`.
Jul 12 03:13:37.361 INFO kablam! error: Could not compile `num-bigint`.
Jul 12 03:13:37.361 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 03:13:43.029 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 03:13:43.029 INFO kablam!    --> tests/biguint.rs:769:5
Jul 12 03:13:43.029 INFO kablam!     |
Jul 12 03:13:43.029 INFO kablam! 769 |     a - b;
Jul 12 03:13:43.029 INFO kablam!     |     ^^^^^
Jul 12 03:13:43.029 INFO kablam!     |
Jul 12 03:13:43.029 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 03:13:43.029 INFO kablam! 
Jul 12 03:13:45.297 INFO kablam! error: build failed
Jul 12 03:13:45.299 INFO kablam! su: No module specific data is present
Jul 12 03:13:45.834 INFO running `"docker" "rm" "-f" "35b21a380e2379067b7f2764f929c86bf13ca8e1af8598b7a730a4f53f67cf66"`
Jul 12 03:13:46.028 INFO blam! 35b21a380e2379067b7f2764f929c86bf13ca8e1af8598b7a730a4f53f67cf66