[INFO] crate sfunc 0.0.4 is already in cache
[INFO] extracting crate sfunc 0.0.4 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sfunc/0.0.4
[INFO] extracting crate sfunc 0.0.4 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sfunc/0.0.4
[INFO] validating manifest of sfunc-0.0.4 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sfunc-0.0.4 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sfunc-0.0.4
[INFO] finished frobbing sfunc-0.0.4
[INFO] frobbed toml for sfunc-0.0.4 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sfunc/0.0.4/Cargo.toml
[INFO] started frobbing sfunc-0.0.4
[INFO] finished frobbing sfunc-0.0.4
[INFO] frobbed toml for sfunc-0.0.4 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sfunc/0.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sfunc-0.0.4 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sfunc/0.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 55ccc6aa813c0f3aa6aee104ed79255b50805196bf6dc7319bf7e2a86c0948c5
[INFO] running `"docker" "start" "-a" "55ccc6aa813c0f3aa6aee104ed79255b50805196bf6dc7319bf7e2a86c0948c5"`
[INFO] [stderr]     Checking assert v0.0.4
[INFO] [stderr]     Checking sfunc v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/lib.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]   --> src/beta.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     use std::num::Float;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     use std::num::Float;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | extern crate libc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use libc::{c_double, c_int};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use libc::{c_double, c_int};
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |         pub fn erf(x: c_double) -> c_double;
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |         pub fn erf(x: c_double) -> c_double;
[INFO] [stderr]    |                                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |         pub fn erfc(x: c_double) -> c_double;
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:26:37
[INFO] [stderr]    |
[INFO] [stderr] 26 |         pub fn erfc(x: c_double) -> c_double;
[INFO] [stderr]    |                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub fn lgamma_r(x: c_double, sign: &mut c_int) -> c_double;
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:27:49
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub fn lgamma_r(x: c_double, sign: &mut c_int) -> c_double;
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:27:59
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub fn lgamma_r(x: c_double, sign: &mut c_int) -> c_double;
[INFO] [stderr]    |                                                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `sfunc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/lib.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/beta.rs:434:7
[INFO] [stderr]     |
[INFO] [stderr] 434 |     #[bench]
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/beta.rs:447:7
[INFO] [stderr]     |
[INFO] [stderr] 447 |     #[bench]
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]   --> src/beta.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     use std::num::Float;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     use std::num::Float;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::rand`
[INFO] [stderr]    --> src/beta.rs:431:14
[INFO] [stderr]     |
[INFO] [stderr] 431 |     use std::rand::random;
[INFO] [stderr]     |              ^^^^ could not find `rand` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 | /         assert_close!(x.iter().zip(y.iter()).map(|(&x, &y)| {
[INFO] [stderr] 328 | |             super::ln_beta(x, y)
[INFO] [stderr] 329 | |         }).collect::<Vec<_>>(), z);
[INFO] [stderr]     | |___________________________________^ no `Float` in `num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 352 | |            super::inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 353 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^ no `Float` in `num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:375:9
[INFO] [stderr]     |
[INFO] [stderr] 375 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 376 | |             super::inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 377 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^ no `Float` in `num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 400 | |             super::inv_inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 401 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^ no `Float` in `num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]    --> src/beta.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 424 | |             super::inv_inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 425 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^ no `Float` in `num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]    --> src/beta.rs:438:17
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let x = range(0, 1000).map(|_| random()).collect::<Vec<_>>();
[INFO] [stderr]     |                 ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]    --> src/beta.rs:451:17
[INFO] [stderr]     |
[INFO] [stderr] 451 |         let x = range(0, 1000).map(|_| random()).collect::<Vec<_>>();
[INFO] [stderr]     |                 ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | extern crate test;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]    = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | extern crate libc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:432:9
[INFO] [stderr]     |
[INFO] [stderr] 432 |     use test;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:435:25
[INFO] [stderr]     |
[INFO] [stderr] 435 |     fn inc_beta(b: &mut test::Bencher) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:442:17
[INFO] [stderr]     |
[INFO] [stderr] 442 |                 test::black_box(super::inc_beta(x, p, q, ln_beta))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:448:29
[INFO] [stderr]     |
[INFO] [stderr] 448 |     fn inv_inc_beta(b: &mut test::Bencher) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 test::black_box(super::inv_inc_beta(x, p, q, ln_beta))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use libc::{c_double, c_int};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use libc::{c_double, c_int};
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |         pub fn erf(x: c_double) -> c_double;
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |         pub fn erf(x: c_double) -> c_double;
[INFO] [stderr]    |                                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |         pub fn erfc(x: c_double) -> c_double;
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:26:37
[INFO] [stderr]    |
[INFO] [stderr] 26 |         pub fn erfc(x: c_double) -> c_double;
[INFO] [stderr]    |                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub fn lgamma_r(x: c_double, sign: &mut c_int) -> c_double;
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:27:49
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub fn lgamma_r(x: c_double, sign: &mut c_int) -> c_double;
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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?
[INFO] [stderr]   --> src/lib.rs:27:59
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub fn lgamma_r(x: c_double, sign: &mut c_int) -> c_double;
[INFO] [stderr]    |                                                           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_finite` found for type `{float}` in the current scope
[INFO] [stderr]    --> src/beta.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 | /         assert_close!(x.iter().zip(y.iter()).map(|(&x, &y)| {
[INFO] [stderr] 328 | |             super::ln_beta(x, y)
[INFO] [stderr] 329 | |         }).collect::<Vec<_>>(), z);
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_finite` found for type `{float}` in the current scope
[INFO] [stderr]    --> src/beta.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 352 | |            super::inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 353 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_finite` found for type `{float}` in the current scope
[INFO] [stderr]    --> src/beta.rs:375:9
[INFO] [stderr]     |
[INFO] [stderr] 375 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 376 | |             super::inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 377 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_finite` found for type `{float}` in the current scope
[INFO] [stderr]    --> src/beta.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 400 | |             super::inv_inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 401 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_finite` found for type `{float}` in the current scope
[INFO] [stderr]    --> src/beta.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 | /         assert_close!(x.iter().map(|&x| {
[INFO] [stderr] 424 | |             super::inv_inc_beta(x, p, q, ln_beta)
[INFO] [stderr] 425 | |         }).collect::<Vec<_>>(), y);
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:440:11
[INFO] [stderr]     |
[INFO] [stderr] 440 |         b.iter(|| {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/beta.rs:442:33
[INFO] [stderr]     |
[INFO] [stderr] 442 |                 test::black_box(super::inc_beta(x, p, q, ln_beta))
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected (), found f64
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `()`
[INFO] [stderr]                found type `f64`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/beta.rs:453:11
[INFO] [stderr]     |
[INFO] [stderr] 453 |         b.iter(|| {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/beta.rs:455:33
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 test::black_box(super::inv_inc_beta(x, p, q, ln_beta))
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected (), found f64
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `()`
[INFO] [stderr]                found type `f64`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 37 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425, E0432, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `sfunc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "55ccc6aa813c0f3aa6aee104ed79255b50805196bf6dc7319bf7e2a86c0948c5"`
[INFO] running `"docker" "rm" "-f" "55ccc6aa813c0f3aa6aee104ed79255b50805196bf6dc7319bf7e2a86c0948c5"`
[INFO] [stdout] 55ccc6aa813c0f3aa6aee104ed79255b50805196bf6dc7319bf7e2a86c0948c5