[INFO] crate ld_preload 0.1.2 is already in cache
[INFO] extracting crate ld_preload 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/ld_preload/0.1.2
[INFO] extracting crate ld_preload 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ld_preload/0.1.2
[INFO] validating manifest of ld_preload-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ld_preload-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ld_preload-0.1.2
[INFO] finished frobbing ld_preload-0.1.2
[INFO] frobbed toml for ld_preload-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ld_preload/0.1.2/Cargo.toml
[INFO] started frobbing ld_preload-0.1.2
[INFO] finished frobbing ld_preload-0.1.2
[INFO] frobbed toml for ld_preload-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ld_preload/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ld_preload-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ld_preload/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ce62a1ceb3a22a1e56d080ea8c9979a2684ea8ee9fd1975d4b07e8fc4a8198ea
[INFO] running `"docker" "start" "-a" "ce62a1ceb3a22a1e56d080ea8c9979a2684ea8ee9fd1975d4b07e8fc4a8198ea"`
[INFO] [stderr]    Compiling ld_preload v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "ce62a1ceb3a22a1e56d080ea8c9979a2684ea8ee9fd1975d4b07e8fc4a8198ea"`
[INFO] running `"docker" "rm" "-f" "ce62a1ceb3a22a1e56d080ea8c9979a2684ea8ee9fd1975d4b07e8fc4a8198ea"`
[INFO] [stdout] ce62a1ceb3a22a1e56d080ea8c9979a2684ea8ee9fd1975d4b07e8fc4a8198ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ld_preload/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4017fe64128983d2d0c04d0af86b45f2f700baaab72250e109a6be2a433cd9f5
[INFO] running `"docker" "start" "-a" "4017fe64128983d2d0c04d0af86b45f2f700baaab72250e109a6be2a433cd9f5"`
[INFO] [stderr]    Compiling ld_preload v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "4017fe64128983d2d0c04d0af86b45f2f700baaab72250e109a6be2a433cd9f5"`
[INFO] running `"docker" "rm" "-f" "4017fe64128983d2d0c04d0af86b45f2f700baaab72250e109a6be2a433cd9f5"`
[INFO] [stdout] 4017fe64128983d2d0c04d0af86b45f2f700baaab72250e109a6be2a433cd9f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ld_preload/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 783d0763fa2f3620c18eb1d02c2a81b0e8980e3028829ddd81e6b86b0e1bf055
[INFO] running `"docker" "start" "-a" "783d0763fa2f3620c18eb1d02c2a81b0e8980e3028829ddd81e6b86b0e1bf055"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ld_preload-99e9bc3f4a684d1e
[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] [stderr]    Doc-tests ld_preload
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ld_preload_function (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ld_preload_function (line 14) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `libc`
[INFO] [stdout]  --> src/lib.rs:15:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libc::uid_t;
[INFO] [stdout]   |     ^^^^ maybe a missing crate `libc`?
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `ld_preload_function!` in this scope
[INFO] [stdout]  --> src/lib.rs:16:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | ld_preload_function! {
[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 E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ld_preload_function (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "783d0763fa2f3620c18eb1d02c2a81b0e8980e3028829ddd81e6b86b0e1bf055"`
[INFO] running `"docker" "rm" "-f" "783d0763fa2f3620c18eb1d02c2a81b0e8980e3028829ddd81e6b86b0e1bf055"`
[INFO] [stdout] 783d0763fa2f3620c18eb1d02c2a81b0e8980e3028829ddd81e6b86b0e1bf055