[INFO] fetching crate repr_offset 0.2.1...
[INFO] testing repr_offset-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate repr_offset 0.2.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate repr_offset 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate repr_offset 0.2.1
[INFO] finished tweaking crates.io crate repr_offset 0.2.1
[INFO] tweaked toml for crates.io crate repr_offset 0.2.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e71afb52d3d67734f47fb0b7b9b4a3c543aa6d5bf9451e0ab7b4de97301f4475
[INFO] running `Command { std: "docker" "start" "-a" "e71afb52d3d67734f47fb0b7b9b4a3c543aa6d5bf9451e0ab7b4de97301f4475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e71afb52d3d67734f47fb0b7b9b4a3c543aa6d5bf9451e0ab7b4de97301f4475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71afb52d3d67734f47fb0b7b9b4a3c543aa6d5bf9451e0ab7b4de97301f4475", kill_on_drop: false }`
[INFO] [stdout] e71afb52d3d67734f47fb0b7b9b4a3c543aa6d5bf9451e0ab7b4de97301f4475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61fd7b5c7f44281aeac1b2d8b9ca8a6215ea2d9b193b6b7aeb925d1c654c130c
[INFO] running `Command { std: "docker" "start" "-a" "61fd7b5c7f44281aeac1b2d8b9ca8a6215ea2d9b193b6b7aeb925d1c654c130c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.1
[INFO] [stderr]    Compiling tstr v0.2.1
[INFO] [stderr]    Compiling repr_offset v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "61fd7b5c7f44281aeac1b2d8b9ca8a6215ea2d9b193b6b7aeb925d1c654c130c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fd7b5c7f44281aeac1b2d8b9ca8a6215ea2d9b193b6b7aeb925d1c654c130c", kill_on_drop: false }`
[INFO] [stdout] 61fd7b5c7f44281aeac1b2d8b9ca8a6215ea2d9b193b6b7aeb925d1c654c130c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99363933975aa82729a4e0552090f80df9c6ffac20ddfd54e67ff31c2135ae64
[INFO] running `Command { std: "docker" "start" "-a" "99363933975aa82729a4e0552090f80df9c6ffac20ddfd54e67ff31c2135ae64", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling core_extensions v0.1.20
[INFO] [stderr]    Compiling as_derive_utils v0.8.3
[INFO] [stderr]    Compiling repr_offset_derive v0.2.0
[INFO] [stderr]    Compiling repr_offset v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: tests must be run with the "testing" feature
[INFO] [stdout]    --> src/lib.rs:269:1
[INFO] [stdout]     |
[INFO] [stdout] 269 | 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] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "99363933975aa82729a4e0552090f80df9c6ffac20ddfd54e67ff31c2135ae64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99363933975aa82729a4e0552090f80df9c6ffac20ddfd54e67ff31c2135ae64", kill_on_drop: false }`
[INFO] [stdout] 99363933975aa82729a4e0552090f80df9c6ffac20ddfd54e67ff31c2135ae64