[INFO] fetching crate sync-no-std 0.1.3...
[INFO] testing sync-no-std-0.1.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sync-no-std 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sync-no-std 0.1.3
[INFO] finished tweaking crates.io crate sync-no-std 0.1.3
[INFO] tweaked toml for crates.io crate sync-no-std 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync-no-std 0.1.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panicking v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2
[INFO] running `Command { std: "docker" "start" "-a" "a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2", kill_on_drop: false }`
[INFO] [stdout] a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d
[INFO] running `Command { std: "docker" "start" "-a" "b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling panicking v0.5.0
[INFO] [stderr]    Compiling sync-no-std v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lazy_box.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let new_ptr = Box::into_raw(T::init(self.allocator.clone()));
[INFO] [stdout]    |                       ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Box<_>`, found `Box<T, <T as LazyInit>::Allocator>`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<_, alloc::alloc::Global>`
[INFO] [stdout]               found struct `Box<T, <T as LazyInit>::Allocator>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1152:12
[INFO] [stdout] help: consider constraining the associated type `<T as LazyInit>::Allocator` to `alloc::alloc::Global`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T: LazyInit<Allocator = alloc::alloc::Global>> LazyBox<T> {
[INFO] [stdout]    |                 ++++++++++++++++++++++++++++++++++
[INFO] [stdout] help: call `Into::into` on this expression to convert `Box<T, <T as LazyInit>::Allocator>` into `Box<_>`
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let new_ptr = Box::into_raw(T::init(self.allocator.clone()).into());
[INFO] [stdout]    |                                                                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync-no-std` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d", kill_on_drop: false }`
[INFO] [stdout] b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d
