[INFO] fetching crate safer_ffi-proc_macro 0.0.6...
[INFO] testing safer_ffi-proc_macro-0.0.6 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate safer_ffi-proc_macro 0.0.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate safer_ffi-proc_macro 0.0.6 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safer_ffi-proc_macro 0.0.6
[INFO] finished tweaking crates.io crate safer_ffi-proc_macro 0.0.6
[INFO] tweaked toml for crates.io crate safer_ffi-proc_macro 0.0.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c0fc475facc146a6f6d72c1a533cc7d7ba58d9f7e6e13fe433cdffe7eda263d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c0fc475facc146a6f6d72c1a533cc7d7ba58d9f7e6e13fe433cdffe7eda263d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c0fc475facc146a6f6d72c1a533cc7d7ba58d9f7e6e13fe433cdffe7eda263d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0fc475facc146a6f6d72c1a533cc7d7ba58d9f7e6e13fe433cdffe7eda263d", kill_on_drop: false }`
[INFO] [stdout] 3c0fc475facc146a6f6d72c1a533cc7d7ba58d9f7e6e13fe433cdffe7eda263d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53204e65af89b1e66d3118b8c51aeacb06b20d8ed49f90085574ddc69af30409
[INFO] running `Command { std: "docker" "start" "-a" "53204e65af89b1e66d3118b8c51aeacb06b20d8ed49f90085574ddc69af30409", kill_on_drop: false }`
[INFO] [stderr]    Compiling safer_ffi-proc_macro v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "53204e65af89b1e66d3118b8c51aeacb06b20d8ed49f90085574ddc69af30409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53204e65af89b1e66d3118b8c51aeacb06b20d8ed49f90085574ddc69af30409", kill_on_drop: false }`
[INFO] [stdout] 53204e65af89b1e66d3118b8c51aeacb06b20d8ed49f90085574ddc69af30409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0197de239d5fa35b91606fba38e3fbea8bac892df3db645f1a1d70dcd93bce3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0197de239d5fa35b91606fba38e3fbea8bac892df3db645f1a1d70dcd93bce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling safer_ffi-proc_macro v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b0197de239d5fa35b91606fba38e3fbea8bac892df3db645f1a1d70dcd93bce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0197de239d5fa35b91606fba38e3fbea8bac892df3db645f1a1d70dcd93bce3", kill_on_drop: false }`
[INFO] [stdout] b0197de239d5fa35b91606fba38e3fbea8bac892df3db645f1a1d70dcd93bce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 981bc5c7e484a920a95b1d7deea674ba4da98340e387808e6c4b6f587a64cfc1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "981bc5c7e484a920a95b1d7deea674ba4da98340e387808e6c4b6f587a64cfc1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safer_ffi_proc_macro-f3aef478e12772de)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safer_ffi-proc_macro
[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 ffi_export.rs - ffi_export (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ffi_export.rs - ffi_export (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `safer_ffi` in the list of imported crates
[INFO] [stdout]  --> ffi_export.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::safer_ffi::prelude::ffi_export;
[INFO] [stdout]   |       ^^^^^^^^^ could not find `safer_ffi` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `ffi_export` in this scope
[INFO] [stdout]  --> ffi_export.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[ffi_export]
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     ffi_export.rs - ffi_export (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "981bc5c7e484a920a95b1d7deea674ba4da98340e387808e6c4b6f587a64cfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981bc5c7e484a920a95b1d7deea674ba4da98340e387808e6c4b6f587a64cfc1", kill_on_drop: false }`
[INFO] [stdout] 981bc5c7e484a920a95b1d7deea674ba4da98340e387808e6c4b6f587a64cfc1