[INFO] cloning repository https://github.com/AngelOnFira/rust-modular-exponentiation-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AngelOnFira/rust-modular-exponentiation-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fce76e1c9d90ce662178c4e86c58453db9c2dd91
[INFO] documenting AngelOnFira/rust-modular-exponentiation-calculator against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator
[INFO] finished tweaking git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator
[INFO] tweaked toml for git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/kunerd/mod_pow`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded rustc-cfg v0.2.0
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded ieee754 v0.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded modexp v0.2.2
[INFO] [stderr]   Downloaded ramp v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4a8c9a18b61de780aa8695ed1e27b6dcd47013b8154338a6e93b1f02c4db30c
[INFO] running `Command { std: "docker" "start" "-a" "e4a8c9a18b61de780aa8695ed1e27b6dcd47013b8154338a6e93b1f02c4db30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a8c9a18b61de780aa8695ed1e27b6dcd47013b8154338a6e93b1f02c4db30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a8c9a18b61de780aa8695ed1e27b6dcd47013b8154338a6e93b1f02c4db30c", kill_on_drop: false }`
[INFO] [stdout] e4a8c9a18b61de780aa8695ed1e27b6dcd47013b8154338a6e93b1f02c4db30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 847aa07833ff6d92b08265eae6ad7c54037c90dfe68ac9f6d7c575bb922a8f5f
[INFO] running `Command { std: "docker" "start" "-a" "847aa07833ff6d92b08265eae6ad7c54037c90dfe68ac9f6d7c575bb922a8f5f", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ieee754 v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking mod_pow v0.1.0 (https://github.com/kunerd/mod_pow#c3a01b12)
[INFO] [stderr]     Checking modexp v0.2.2
[INFO] [stderr]    Compiling ramp v0.3.12
[INFO] [stdout] error[E0432]: unresolved imports `alloc::allocator`, `alloc::allocator`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/mem.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | use alloc::allocator::{self, Alloc};
[INFO] [stdout]    |            ^^^^^^^^^   ^^^^ no `allocator` in the root
[INFO] [stdout]    |            |
[INFO] [stdout]    |            could not find `allocator` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/mem.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/ll/limb.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 asm!("mulq $3"
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/ll/limb.rs:526:17
[INFO] [stdout]     |
[INFO] [stdout] 526 |                 asm!("addq $4, $0
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/ll/limb.rs:586:17
[INFO] [stdout]     |
[INFO] [stdout] 586 |                 asm!("subq $4, $0
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/ll/limb.rs:653:17
[INFO] [stdout]     |
[INFO] [stdout] 653 |                 asm!("divq $4"
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3637:5
[INFO] [stdout]      |
[INFO] [stdout] 3637 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 3638 | |         mem::replace(self, Self::one())
[INFO] [stdout] 3639 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3641:5
[INFO] [stdout]      |
[INFO] [stdout] 3641 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 3642 | |         mem::replace(self, Self::zero())
[INFO] [stdout] 3643 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3645:5
[INFO] [stdout]      |
[INFO] [stdout] 3645 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 3646 | |         self + 1
[INFO] [stdout] 3647 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3649:5
[INFO] [stdout]      |
[INFO] [stdout] 3649 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 3650 | |         self - 1
[INFO] [stdout] 3651 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3653:5
[INFO] [stdout]      |
[INFO] [stdout] 3653 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 3654 | |         Some(self + Int::from(n))
[INFO] [stdout] 3655 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | use alloc::raw_vec::RawVec;
[INFO] [stdout]    |            ^^^^^^^ private module
[INFO] [stdout]    |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/lib.rs:225:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, allocator_api)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/lib.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, allocator_api)]
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/lib.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, allocator_api)]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, ptr_internals, alloc)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/lib.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, ptr_internals, alloc)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/lib.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, ptr_internals, alloc)]
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_checked`, `backward_checked`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3625:1
[INFO] [stdout]      |
[INFO] [stdout] 3625 | impl std::iter::Step for Int {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_checked`, `backward_checked` in implementation
[INFO] [stdout]      |
[INFO] [stdout]      = help: implement the missing item: `fn forward_checked(_: Self, _: usize) -> Option<Self> { todo!() }`
[INFO] [stdout]      = help: implement the missing item: `fn backward_checked(_: Self, _: usize) -> Option<Self> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:186:31
[INFO] [stdout]     |
[INFO] [stdout] 186 |             ret.with_raw_vec(|v| v.reserve_exact(0, cap as usize))
[INFO] [stdout]     |                               ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 186 |             ret.with_raw_vec(|v: /* Type */| v.reserve_exact(0, cap as usize))
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:274:28
[INFO] [stdout]     |
[INFO] [stdout] 274 |         self.with_raw_vec(|v| {
[INFO] [stdout]     |                            ^
[INFO] [stdout] 275 |             v.shrink_to_fit(size);
[INFO] [stdout]     |             - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 274 |         self.with_raw_vec(|v: /* Type */| {
[INFO] [stdout]     |                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:759:32
[INFO] [stdout]     |
[INFO] [stdout] 759 |             self.with_raw_vec(|v| {
[INFO] [stdout]     |                                ^
[INFO] [stdout] 760 |                 v.reserve_exact(old_cap, cap as usize - old_cap)
[INFO] [stdout]     |                 - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 759 |             self.with_raw_vec(|v: /* Type */| {
[INFO] [stdout]     |                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `empty` found for struct `Unique` in the current scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ramp-0.3.12/src/int.rs:3552:26
[INFO] [stdout]      |
[INFO] [stdout] 3552 |             ptr: Unique::empty(),
[INFO] [stdout]      |                          ^^^^^ function or associated item not found in `Unique<_>`
[INFO] [stdout]      |
[INFO] [stdout] note: if you're trying to build a new `Unique<_>` consider using one of the following associated functions:
[INFO] [stdout]       Unique::<T>::dangling
[INFO] [stdout]       Unique::<T>::new_unchecked
[INFO] [stdout]       Unique::<T>::new
[INFO] [stdout]     --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ptr/unique.rs:74:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 23 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0282, E0407, E0432, E0554, E0599, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ramp` (lib) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "847aa07833ff6d92b08265eae6ad7c54037c90dfe68ac9f6d7c575bb922a8f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847aa07833ff6d92b08265eae6ad7c54037c90dfe68ac9f6d7c575bb922a8f5f", kill_on_drop: false }`
[INFO] [stdout] 847aa07833ff6d92b08265eae6ad7c54037c90dfe68ac9f6d7c575bb922a8f5f
