[INFO] fetching crate vtable-macro 0.4.0...
[INFO] testing vtable-macro-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate vtable-macro 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vtable-macro 0.4.0
[INFO] finished tweaking crates.io crate vtable-macro 0.4.0
[INFO] tweaked toml for crates.io crate vtable-macro 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vtable-macro 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vtable-macro 0.4.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7249065cceccf4e77eb4aeb99d5dcc39a5bb9d969ec51a63fee2ce1d62b1148
[INFO] running `Command { std: "docker" "start" "-a" "f7249065cceccf4e77eb4aeb99d5dcc39a5bb9d969ec51a63fee2ce1d62b1148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7249065cceccf4e77eb4aeb99d5dcc39a5bb9d969ec51a63fee2ce1d62b1148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7249065cceccf4e77eb4aeb99d5dcc39a5bb9d969ec51a63fee2ce1d62b1148", kill_on_drop: false }`
[INFO] [stdout] f7249065cceccf4e77eb4aeb99d5dcc39a5bb9d969ec51a63fee2ce1d62b1148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa322066a317436466972a534f8c60b0c19b9e3e26770b1319250d716bc5162a
[INFO] running `Command { std: "docker" "start" "-a" "fa322066a317436466972a534f8c60b0c19b9e3e26770b1319250d716bc5162a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vtable-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "fa322066a317436466972a534f8c60b0c19b9e3e26770b1319250d716bc5162a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa322066a317436466972a534f8c60b0c19b9e3e26770b1319250d716bc5162a", kill_on_drop: false }`
[INFO] [stdout] fa322066a317436466972a534f8c60b0c19b9e3e26770b1319250d716bc5162a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 321e06388d76c0b400539128615c8e53225d2d7d67ab8e1325c65359614ec1fc
[INFO] running `Command { std: "docker" "start" "-a" "321e06388d76c0b400539128615c8e53225d2d7d67ab8e1325c65359614ec1fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling vtable-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "321e06388d76c0b400539128615c8e53225d2d7d67ab8e1325c65359614ec1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321e06388d76c0b400539128615c8e53225d2d7d67ab8e1325c65359614ec1fc", kill_on_drop: false }`
[INFO] [stdout] 321e06388d76c0b400539128615c8e53225d2d7d67ab8e1325c65359614ec1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56b9076a2a961eec91c4ade891f048dea12b682e32ce19c47d9a9887cb22c69a
[INFO] running `Command { std: "docker" "start" "-a" "56b9076a2a961eec91c4ade891f048dea12b682e32ce19c47d9a9887cb22c69a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests macro.rs (/opt/rustwide/target/debug/deps/vtable_macro-b69439d20ad76329)
[INFO] [stderr]    Doc-tests vtable_macro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test macro.rs - vtable (line 106) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- macro.rs - vtable (line 106) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `vtable`
[INFO] [stdout]    --> macro.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | use vtable::*;
[INFO] [stdout]     |     ^^^^^^ use of unresolved module or unlinked crate `vtable`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `vtable`, use `cargo add vtable` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `vtable` in this scope
[INFO] [stdout]    --> macro.rs:109:3
[INFO] [stdout]     |
[INFO] [stdout] 109 | #[vtable]
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a built-in attribute with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 109 - #[vtable]
[INFO] [stdout] 109 + #[stable]
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]     |
[INFO] [stdout] 106 + use vtable_macro::vtable;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `field_offset` in this scope
[INFO] [stdout]    --> macro.rs:123:7
[INFO] [stdout]     |
[INFO] [stdout] 123 |     #[field_offset(bool)]
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `AnimalVTable_static` in this scope
[INFO] [stdout]    --> macro.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | AnimalVTable_static!(static DOG_VT for Dog);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     macro.rs - vtable (line 106)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.30s; merged doctests compilation took 0.17s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "56b9076a2a961eec91c4ade891f048dea12b682e32ce19c47d9a9887cb22c69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b9076a2a961eec91c4ade891f048dea12b682e32ce19c47d9a9887cb22c69a", kill_on_drop: false }`
[INFO] [stdout] 56b9076a2a961eec91c4ade891f048dea12b682e32ce19c47d9a9887cb22c69a