[INFO] fetching crate trait-union 0.1.4... [INFO] checking trait-union-0.1.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate trait-union 0.1.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate trait-union 0.1.4 [INFO] finished tweaking crates.io crate trait-union 0.1.4 [INFO] tweaked toml for crates.io crate trait-union 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate trait-union 0.1.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trait-union-proc v0.1.4 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 021744f28ca53eae8390589bfbd0820d769d447a127d17cfa1a2d3a944630b97 [INFO] running `Command { std: "docker" "start" "-a" "021744f28ca53eae8390589bfbd0820d769d447a127d17cfa1a2d3a944630b97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "021744f28ca53eae8390589bfbd0820d769d447a127d17cfa1a2d3a944630b97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "021744f28ca53eae8390589bfbd0820d769d447a127d17cfa1a2d3a944630b97", kill_on_drop: false }` [INFO] [stdout] 021744f28ca53eae8390589bfbd0820d769d447a127d17cfa1a2d3a944630b97 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6341f0bb13304918aa1ef131b2d482fa1e3695173a412661c414e71599e84e3b [INFO] running `Command { std: "docker" "start" "-a" "6341f0bb13304918aa1ef131b2d482fa1e3695173a412661c414e71599e84e3b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking toml_datetime v0.6.11 [INFO] [stderr] Checking serde_spanned v0.6.9 [INFO] [stderr] Checking winnow v0.7.11 [INFO] [stderr] Checking toml_write v0.1.2 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Checking toml_edit v0.22.27 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling trait-union-proc v0.1.4 [INFO] [stderr] Checking trait-union v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking toml v0.8.23 [INFO] [stderr] Checking trybuild v1.0.105 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(test, feature(untagged_unions))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.64.0; see for more information [INFO] [stdout] = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `trait-union` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "6341f0bb13304918aa1ef131b2d482fa1e3695173a412661c414e71599e84e3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6341f0bb13304918aa1ef131b2d482fa1e3695173a412661c414e71599e84e3b", kill_on_drop: false }` [INFO] [stdout] 6341f0bb13304918aa1ef131b2d482fa1e3695173a412661c414e71599e84e3b