[INFO] fetching crate type-info 0.2.1...
[INFO] testing type-info-0.2.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate type-info 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate type-info 0.2.1
[INFO] finished tweaking crates.io crate type-info 0.2.1
[INFO] tweaked toml for crates.io crate type-info 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate type-info 0.2.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `type-info` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58
[INFO] running `Command { std: "docker" "start" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `type-info` (manifest) generated 1 warning
[INFO] [stderr]    Compiling type-info v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | #![feature(const_type_id)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | #![feature(specialization)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_type_id` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | #![feature(const_type_id)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:174:50
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn field_any(&self, _id: FieldId) -> Option<&any::Any> {
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn field_any(&self, _id: FieldId) -> Option<&dyn any::Any> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:182:62
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn field_any_mut(&mut self, _id: FieldId) -> Option<&mut any::Any> {
[INFO] [stdout]     |                                                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn field_any_mut(&mut self, _id: FieldId) -> Option<&mut dyn any::Any> {
[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 `type-info` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58", kill_on_drop: false }`
[INFO] [stdout] bab3ce194252815178f7be12a94c2285982e4c7cdead089dbda579ef3f299c58
