[INFO] fetching crate repr_offset 0.2.2...
[INFO] checking repr_offset-0.2.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate repr_offset 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate repr_offset 0.2.2
[INFO] finished tweaking crates.io crate repr_offset 0.2.2
[INFO] tweaked toml for crates.io crate repr_offset 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate repr_offset 0.2.2 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 12 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 core_extensions v0.1.20
[INFO] [stderr]   Downloaded as_derive_utils v0.8.3
[INFO] [stderr]   Downloaded repr_offset_derive v0.2.0
[INFO] [stderr]   Downloaded tstr_proc_macros v0.2.2
[INFO] [stderr]   Downloaded tstr v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 055d3354156d7fc165e2db141b9967481208f342f2a2fd414c92916ecf4f4048
[INFO] running `Command { std: "docker" "start" "-a" "055d3354156d7fc165e2db141b9967481208f342f2a2fd414c92916ecf4f4048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055d3354156d7fc165e2db141b9967481208f342f2a2fd414c92916ecf4f4048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055d3354156d7fc165e2db141b9967481208f342f2a2fd414c92916ecf4f4048", kill_on_drop: false }`
[INFO] [stdout] 055d3354156d7fc165e2db141b9967481208f342f2a2fd414c92916ecf4f4048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c5f4fc8ac6fc882cd5e30801dca29adf2c54ca2daf9a25a217e5fb7dd625c2b7
[INFO] running `Command { std: "docker" "start" "-a" "c5f4fc8ac6fc882cd5e30801dca29adf2c54ca2daf9a25a217e5fb7dd625c2b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tstr v0.2.4
[INFO] [stderr]     Checking repr_offset v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling core_extensions v0.1.20
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling as_derive_utils v0.8.3
[INFO] [stderr]    Compiling repr_offset_derive v0.2.0
[INFO] [stdout] error: tests must be run with the "testing" feature
[INFO] [stdout]    --> src/lib.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | compile_error! { "tests must be run with the \"testing\" feature" }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::types_for_tests`
[INFO] [stdout]     --> src/struct_field_offset.rs:1814:16
[INFO] [stdout]      |
[INFO] [stdout] 1814 |     use crate::types_for_tests::StructPacked;
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^ could not find `types_for_tests` in the crate root
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/lib.rs:257:9
[INFO] [stdout]      |
[INFO] [stdout] 257  | pub mod types_for_tests;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^
[INFO] [stdout] note: the item is gated behind the `testing` feature
[INFO] [stdout]     --> src/lib.rs:256:7
[INFO] [stdout]      |
[INFO] [stdout] 256  | #[cfg(feature = "testing")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repr_offset` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c5f4fc8ac6fc882cd5e30801dca29adf2c54ca2daf9a25a217e5fb7dd625c2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f4fc8ac6fc882cd5e30801dca29adf2c54ca2daf9a25a217e5fb7dd625c2b7", kill_on_drop: false }`
[INFO] [stdout] c5f4fc8ac6fc882cd5e30801dca29adf2c54ca2daf9a25a217e5fb7dd625c2b7