[INFO] fetching crate safer_ffi-proc_macro 0.0.6...
[INFO] testing safer_ffi-proc_macro-0.0.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate safer_ffi-proc_macro 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate safer_ffi-proc_macro 0.0.6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd4993431541e1b6e76045c6a1d87c76906f2b5fcc9295181bdc47df36545389
[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" "dd4993431541e1b6e76045c6a1d87c76906f2b5fcc9295181bdc47df36545389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd4993431541e1b6e76045c6a1d87c76906f2b5fcc9295181bdc47df36545389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4993431541e1b6e76045c6a1d87c76906f2b5fcc9295181bdc47df36545389", kill_on_drop: false }`
[INFO] [stdout] dd4993431541e1b6e76045c6a1d87c76906f2b5fcc9295181bdc47df36545389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd7682d7000938174ac560c98a395cd55c0487f21291d7dc56e9e0032f2fe2bd
[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" "cd7682d7000938174ac560c98a395cd55c0487f21291d7dc56e9e0032f2fe2bd", 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 1.88s
[INFO] running `Command { std: "docker" "inspect" "cd7682d7000938174ac560c98a395cd55c0487f21291d7dc56e9e0032f2fe2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7682d7000938174ac560c98a395cd55c0487f21291d7dc56e9e0032f2fe2bd", kill_on_drop: false }`
[INFO] [stdout] cd7682d7000938174ac560c98a395cd55c0487f21291d7dc56e9e0032f2fe2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd9531d84fae6d8c52435bd4fe2284f696cb6b79070bdb51787e5e787432f2d
[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" "2bd9531d84fae6d8c52435bd4fe2284f696cb6b79070bdb51787e5e787432f2d", 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "2bd9531d84fae6d8c52435bd4fe2284f696cb6b79070bdb51787e5e787432f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd9531d84fae6d8c52435bd4fe2284f696cb6b79070bdb51787e5e787432f2d", kill_on_drop: false }`
[INFO] [stdout] 2bd9531d84fae6d8c52435bd4fe2284f696cb6b79070bdb51787e5e787432f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8539f5c2eb8c18b5e7a15f4c358e6d936d2bc5878df2d29c5263ad8fbdb4a11
[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" "b8539f5c2eb8c18b5e7a15f4c358e6d936d2bc5878df2d29c5263ad8fbdb4a11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safer_ffi_proc_macro-528c836ebdd48d13)
[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]   = note: consider importing this attribute macro:
[INFO] [stdout]           safer_ffi_proc_macro::ffi_export
[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 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b8539f5c2eb8c18b5e7a15f4c358e6d936d2bc5878df2d29c5263ad8fbdb4a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8539f5c2eb8c18b5e7a15f4c358e6d936d2bc5878df2d29c5263ad8fbdb4a11", kill_on_drop: false }`
[INFO] [stdout] b8539f5c2eb8c18b5e7a15f4c358e6d936d2bc5878df2d29c5263ad8fbdb4a11