[INFO] cloning repository https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Fsd-card-party", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Fsd-card-party'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0b364facd44da0d739945c19f2ad5548ff7987f
[INFO] documenting Rust-Mikrocontroller-Praktikum-2017/sd-card-party 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%2FRust-Mikrocontroller-Praktikum-2017%2Fsd-card-party" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party
[INFO] finished tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party
[INFO] tweaked toml for git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/sd-card-party 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 crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/embedded_stm32f7.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/stm32f7-discovery.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/embedded-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/Rust-Mikrocontroller-Praktikum-2017/font_render.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/net.git`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/font-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/stb_truetype-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.2.3
[INFO] [stderr]   Downloaded spin v0.4.5
[INFO] [stderr]   Downloaded serde v0.9.13
[INFO] [stderr]   Downloaded bit_field v0.7.0
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded bit_field v0.6.1
[INFO] [stderr]   Downloaded cargo_metadata v0.1.2
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded arrayvec v0.3.22
[INFO] [stderr]   Downloaded syn v0.11.10
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded clippy v0.0.121
[INFO] [stderr]   Downloaded clippy_lints v0.0.121
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded serde_derive v0.9.13
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded nodrop v0.1.9
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded volatile-register v0.1.2
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded r0 v0.1.0
[INFO] [stderr]   Downloaded cortex-m v0.1.6
[INFO] [stderr]   Downloaded once v0.3.2
[INFO] [stderr]   Downloaded alloc-cortex-m v0.2.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.2.5
[INFO] [stderr]   Downloaded bit_field v0.4.0
[INFO] [stderr]   Downloaded compiler-builtins-snapshot v0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9d8ed1188aae8f69653d9fb5aa58e0f988de6d1c2ef960cc2d1dec2d3c6b7e2c
[INFO] running `Command { std: "docker" "start" "-a" "9d8ed1188aae8f69653d9fb5aa58e0f988de6d1c2ef960cc2d1dec2d3c6b7e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8ed1188aae8f69653d9fb5aa58e0f988de6d1c2ef960cc2d1dec2d3c6b7e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8ed1188aae8f69653d9fb5aa58e0f988de6d1c2ef960cc2d1dec2d3c6b7e2c", kill_on_drop: false }`
[INFO] [stdout] 9d8ed1188aae8f69653d9fb5aa58e0f988de6d1c2ef960cc2d1dec2d3c6b7e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 59cc82332738af7b5e044e42daad3eaf585645e54d0a7ddecb7eead917873136
[INFO] running `Command { std: "docker" "start" "-a" "59cc82332738af7b5e044e42daad3eaf585645e54d0a7ddecb7eead917873136", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking volatile-register v0.1.2
[INFO] [stderr]     Checking volatile v0.2.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking bit_field v0.4.0
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]     Checking once v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking compiler-builtins-snapshot v0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b
[INFO] [stderr]     Checking cortex-m v0.1.6
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bit_field-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]     Checking font-rs v0.0.2 (https://github.com/phil-opp/font-rs.git?branch=no-std#da1190bc)
[INFO] [stderr]     Checking linked_list_allocator v0.2.5
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bit_field` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.1.6/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(const_fn)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | extern crate collections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm)]
[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/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[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/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(linkage)]
[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/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(naked_functions)]
[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/cortex-m-0.1.6/src/asm.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         asm!("nop" :::: "volatile");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 3  + use core::arch::asm;
[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/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm)]
[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/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::num::Float`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/raster.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use core::num::Float;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/font.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let buf = vec![((tag >> 24) & 0xff) as u8,
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 20 + use alloc::vec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/raster.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |             a: vec!(0.0; w * h + 4),
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 17 + use alloc::vec;
[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/cortex-m-0.1.6/src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(asm)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         num::Float::is_nan(self)
[INFO] [stdout]    |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:70:14
[INFO] [stdout]    |
[INFO] [stdout] 70 |         num::Float::is_infinite(self)
[INFO] [stdout]    |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |         num::Float::is_finite(self)
[INFO] [stdout]    |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |         num::Float::is_normal(self)
[INFO] [stdout]     |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:233:14
[INFO] [stdout]     |
[INFO] [stdout] 233 |         num::Float::signum(self)
[INFO] [stdout]     |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:253:14
[INFO] [stdout]     |
[INFO] [stdout] 253 |         num::Float::is_sign_positive(self)
[INFO] [stdout]     |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |         num::Float::is_sign_negative(self)
[INFO] [stdout]     |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:311:14
[INFO] [stdout]     |
[INFO] [stdout] 311 |         num::Float::powi(self, n)
[INFO] [stdout]     |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Float` in `num`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/float_impls.rs:496:14
[INFO] [stdout]     |
[INFO] [stdout] 496 |         num::Float::to_degrees(self)
[INFO] [stdout]     |              ^^^^^ could not find `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ptr::Unique;
[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/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(alloc, collections)]
[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/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(alloc, collections)]
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     next: Option<Unique<Hole>>,
[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/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_float)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:284:43
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { Unique::new(ptr) });
[INFO] [stdout]     |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `core_float`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_float)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/lib.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(alloc, collections)]
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr)),
[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/linked_list_allocator-0.2.5/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr)),
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cortex-m` (lib) due to 4 previous errors
[INFO] [stdout] error[E0689]: can't call method `abs` on ambiguous numeric type `{float}`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/font-rs-fa9d865d434a9c9b/da1190b/src/raster.rs:167:34
[INFO] [stdout]     |
[INFO] [stdout] 167 |                      let y = acc.abs();
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you must specify a type for this binding, like `f32`
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut acc: f32 = 0.0;
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr)),
[INFO] [stdout]    |                       ---- ^^^^^^^^^^^^^^^^ expected `Unique<Hole>`, found `Option<Unique<Hole>>`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Unique<_>`
[INFO] [stdout]                 found enum `Option<Unique<_>>`
[INFO] [stdout] help: the type constructed contains `Option<Unique<Hole>>` due to the type of the argument passed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr)),
[INFO] [stdout]    |                       ^^^^^----------------^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/option.rs:577:5
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<Hole>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr).expect("REASON")),
[INFO] [stdout]    |                                            +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler-builtins-snapshot` (lib) due to 7 previous errors
[INFO] [stdout] error[E0599]: no method named `get_mut` found for mutable reference `&mut Unique<Hole>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { self.next.as_mut().unwrap().get_mut() }
[INFO] [stdout]     |                                              ^^^^^^^ method not found in `&mut Unique<Hole>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for mutable reference `&mut Unique<Hole>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:191:61
[INFO] [stdout]     |
[INFO] [stdout] 191 |             .and_then(|current| split_hole(unsafe { current.get() }.info(), size, align));
[INFO] [stdout]     |                                                             ^^^ method not found in `&mut Unique<Hole>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for reference `&Unique<Hole>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:232:74
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let next_hole_info = hole.next.as_ref().map(|next| unsafe { next.get().info() });
[INFO] [stdout]     |                                                                          ^^^ method not found in `&Unique<Hole>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:284:43
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { Unique::new(ptr) });
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/linked_list_allocator-0.2.5/src/hole.rs:284:43
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { Unique::new(ptr) });
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ expected `Unique<Hole>`, found `Option<Unique<Hole>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<_>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<Hole>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { Unique::new(ptr).expect("REASON") });
[INFO] [stdout]     |                                                           +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554, E0557, E0599, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` (lib) due to 15 previous errors
[INFO] [stdout] error: aborting due to 20 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0463, E0554, E0635, E0689.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `font-rs` (lib) due to 21 previous errors
[INFO] running `Command { std: "docker" "inspect" "59cc82332738af7b5e044e42daad3eaf585645e54d0a7ddecb7eead917873136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59cc82332738af7b5e044e42daad3eaf585645e54d0a7ddecb7eead917873136", kill_on_drop: false }`
[INFO] [stdout] 59cc82332738af7b5e044e42daad3eaf585645e54d0a7ddecb7eead917873136
