[INFO] fetching crate airlang_bin 0.0.3...
[INFO] testing airlang_bin-0.0.3 against 1.69.0 for beta-1.70-1
[INFO] extracting crate airlang_bin 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate airlang_bin 0.0.3 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate airlang_bin 0.0.3
[INFO] finished tweaking crates.io crate airlang_bin 0.0.3
[INFO] tweaked toml for crates.io crate airlang_bin 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate airlang_bin 0.0.3 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded nom v7.1.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] [stderr]   Downloaded airlang v0.0.3
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded rug v1.19.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.5.1
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed908902884d2358d7bdddf378529992edfba848548241d251b492f4df5c9ddd
[INFO] running `Command { std: "docker" "start" "-a" "ed908902884d2358d7bdddf378529992edfba848548241d251b492f4df5c9ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed908902884d2358d7bdddf378529992edfba848548241d251b492f4df5c9ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed908902884d2358d7bdddf378529992edfba848548241d251b492f4df5c9ddd", kill_on_drop: false }`
[INFO] [stdout] ed908902884d2358d7bdddf378529992edfba848548241d251b492f4df5c9ddd
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 449e2525589b80d9803478225538de0d41b633fed138487a4d1ab0cce05745f2
[INFO] running `Command { std: "docker" "start" "-a" "449e2525589b80d9803478225538de0d41b633fed138487a4d1ab0cce05745f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling rug v1.19.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling airlang v0.0.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / #![feature(
[INFO] [stdout] 25 | |     trait_upcasting,
[INFO] [stdout] 26 | |     trait_alias,
[INFO] [stdout] 27 | |     never_type,
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     coerce_unsized
[INFO] [stdout] 37 | | )]
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     const_type_id,
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     arc_unwrap_or_clone,
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     iter_array_chunks,
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     slice_concat_trait,
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try_trait_v2,
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     unsize,
[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/github.com-1ecc6299db9ec823/airlang-0.0.3/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     coerce_unsized
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `airlang` due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "449e2525589b80d9803478225538de0d41b633fed138487a4d1ab0cce05745f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449e2525589b80d9803478225538de0d41b633fed138487a4d1ab0cce05745f2", kill_on_drop: false }`
[INFO] [stdout] 449e2525589b80d9803478225538de0d41b633fed138487a4d1ab0cce05745f2
