[INFO] fetching crate rsgc 1.1.0...
[INFO] testing rsgc-1.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rsgc 1.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rsgc 1.1.0
[INFO] finished tweaking crates.io crate rsgc 1.1.0
[INFO] tweaked toml for crates.io crate rsgc 1.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsgc 1.1.0 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] crate crates.io crate rsgc 1.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.8
[INFO] [stderr]   Downloaded parking_lot_core v0.9.3
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded memoffset v0.9.0
[INFO] [stderr]   Downloaded atomic v0.5.1
[INFO] [stderr]   Downloaded is-terminal v0.4.0
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded io-lifetimes v1.0.2
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded lock_api v0.4.7
[INFO] [stderr]   Downloaded scoped-thread-pool v1.0.3
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded rustix v0.36.3
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows-sys v0.36.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 382a39aa5f061726325cce58cfe27f1d6373222e3b52442b803f1453bc7eda52
[INFO] running `Command { std: "docker" "start" "-a" "382a39aa5f061726325cce58cfe27f1d6373222e3b52442b803f1453bc7eda52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "382a39aa5f061726325cce58cfe27f1d6373222e3b52442b803f1453bc7eda52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382a39aa5f061726325cce58cfe27f1d6373222e3b52442b803f1453bc7eda52", kill_on_drop: false }`
[INFO] [stdout] 382a39aa5f061726325cce58cfe27f1d6373222e3b52442b803f1453bc7eda52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] eb2f01ebe9f34f8d5fa8d79e04a05d8ed939402f6d52671dba3ba158a273fda3
[INFO] running `Command { std: "docker" "start" "-a" "eb2f01ebe9f34f8d5fa8d79e04a05d8ed939402f6d52671dba3ba158a273fda3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling rustix v0.36.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling linux-raw-sys v0.1.3
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling str-buf v1.0.6
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling scoped-thread-pool v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling error-code v2.3.1
[INFO] [stderr]    Compiling errno v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.0
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling rsgc v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / #![feature(
[INFO] [stdout] 17 | |     const_type_id,
[INFO] [stdout] 18 | |     const_refs_to_cell,
[INFO] [stdout] 19 | |     const_type_name,
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     arbitrary_self_types
[INFO] [stdout] 28 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_refs_to_cell` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     core_intrinsics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_refs_to_cell` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const_refs_to_cell,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_sub_ptr` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ptr_sub_ptr,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsgc` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "eb2f01ebe9f34f8d5fa8d79e04a05d8ed939402f6d52671dba3ba158a273fda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2f01ebe9f34f8d5fa8d79e04a05d8ed939402f6d52671dba3ba158a273fda3", kill_on_drop: false }`
[INFO] [stdout] eb2f01ebe9f34f8d5fa8d79e04a05d8ed939402f6d52671dba3ba158a273fda3
