[INFO] fetching crate safer_ffi-proc_macro 0.0.1...
[INFO] testing safer_ffi-proc_macro-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate safer_ffi-proc_macro 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate safer_ffi-proc_macro 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate safer_ffi-proc_macro 0.0.1
[INFO] finished tweaking crates.io crate safer_ffi-proc_macro 0.0.1
[INFO] tweaked toml for crates.io crate safer_ffi-proc_macro 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] a3cf040c6cc883bebb2d8c8e06a68e3c87018e2b5935bb318f0583dc1873f6c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a3cf040c6cc883bebb2d8c8e06a68e3c87018e2b5935bb318f0583dc1873f6c6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling safer_ffi-proc_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "a3cf040c6cc883bebb2d8c8e06a68e3c87018e2b5935bb318f0583dc1873f6c6"`
[INFO] running `"docker" "rm" "-f" "a3cf040c6cc883bebb2d8c8e06a68e3c87018e2b5935bb318f0583dc1873f6c6"`
[INFO] [stdout] a3cf040c6cc883bebb2d8c8e06a68e3c87018e2b5935bb318f0583dc1873f6c6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e98ae949a078630d370562e6f22ef109f346c2b191048cf9cff162de6e96d07a
[INFO] running `"docker" "start" "-a" "e98ae949a078630d370562e6f22ef109f346c2b191048cf9cff162de6e96d07a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safer_ffi-proc_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "e98ae949a078630d370562e6f22ef109f346c2b191048cf9cff162de6e96d07a"`
[INFO] running `"docker" "rm" "-f" "e98ae949a078630d370562e6f22ef109f346c2b191048cf9cff162de6e96d07a"`
[INFO] [stdout] e98ae949a078630d370562e6f22ef109f346c2b191048cf9cff162de6e96d07a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] a7f51f84f2e0ea460f7e740f0c8a83536dd90e107459decbcefc1a1a2aee21e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a7f51f84f2e0ea460f7e740f0c8a83536dd90e107459decbcefc1a1a2aee21e4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/safer_ffi_proc_macro-5fc1bfd679fe04cf
[INFO] [stderr]    Doc-tests safer_ffi-proc_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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ffi_export.rs - ffi_export (line 5) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[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 `{{root}}`
[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 `{{root}}`
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a7f51f84f2e0ea460f7e740f0c8a83536dd90e107459decbcefc1a1a2aee21e4"`
[INFO] running `"docker" "rm" "-f" "a7f51f84f2e0ea460f7e740f0c8a83536dd90e107459decbcefc1a1a2aee21e4"`
[INFO] [stdout] a7f51f84f2e0ea460f7e740f0c8a83536dd90e107459decbcefc1a1a2aee21e4