[INFO] crate webm-native 0.4.6 is already in cache
[INFO] extracting crate webm-native 0.4.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/webm-native/0.4.6
[INFO] extracting crate webm-native 0.4.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webm-native/0.4.6
[INFO] validating manifest of webm-native-0.4.6 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 webm-native-0.4.6 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 webm-native-0.4.6
[INFO] finished frobbing webm-native-0.4.6
[INFO] frobbed toml for webm-native-0.4.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/webm-native/0.4.6/Cargo.toml
[INFO] started frobbing webm-native-0.4.6
[INFO] finished frobbing webm-native-0.4.6
[INFO] frobbed toml for webm-native-0.4.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webm-native/0.4.6/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 webm-native-0.4.6 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-5/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/webm-native/0.4.6:/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] 1302b5e416ae94a3d50c598e30708347e9542b61447b75c291b1ee28a1dde20c
[INFO] running `"docker" "start" "-a" "1302b5e416ae94a3d50c598e30708347e9542b61447b75c291b1ee28a1dde20c"`
[INFO] [stderr]    Compiling webm-sys-native v0.3.6
[INFO] [stderr]    Compiling webm v0.4.5
[INFO] [stderr]    Compiling webm-native v0.4.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `"docker" "inspect" "1302b5e416ae94a3d50c598e30708347e9542b61447b75c291b1ee28a1dde20c"`
[INFO] running `"docker" "rm" "-f" "1302b5e416ae94a3d50c598e30708347e9542b61447b75c291b1ee28a1dde20c"`
[INFO] [stdout] 1302b5e416ae94a3d50c598e30708347e9542b61447b75c291b1ee28a1dde20c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/webm-native/0.4.6:/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] bbf24dde21175d7caa1ad75ce842182dc88198e14ee9a6f14a3960efb54c8d06
[INFO] running `"docker" "start" "-a" "bbf24dde21175d7caa1ad75ce842182dc88198e14ee9a6f14a3960efb54c8d06"`
[INFO] [stderr]    Compiling webm-native v0.4.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "bbf24dde21175d7caa1ad75ce842182dc88198e14ee9a6f14a3960efb54c8d06"`
[INFO] running `"docker" "rm" "-f" "bbf24dde21175d7caa1ad75ce842182dc88198e14ee9a6f14a3960efb54c8d06"`
[INFO] [stdout] bbf24dde21175d7caa1ad75ce842182dc88198e14ee9a6f14a3960efb54c8d06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/webm-native/0.4.6:/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] 6470e6f0183ec69c02c0bae277874f7a4479f4f38791d565e8187f8138f9771d
[INFO] running `"docker" "start" "-a" "6470e6f0183ec69c02c0bae277874f7a4479f4f38791d565e8187f8138f9771d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/webm-9b64a342c667a947
[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 webm
[INFO] [stderr] error[E0465]: multiple rlib candidates for `webm` found
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate webm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: candidate #1: /opt/crater/target/debug/deps/libwebm-026c27b85eb7efdd.rlib
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate webm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2: /opt/crater/target/debug/deps/libwebm-902b08b6fa03098d.rlib
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate webm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `webm`
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate webm;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "6470e6f0183ec69c02c0bae277874f7a4479f4f38791d565e8187f8138f9771d"`
[INFO] running `"docker" "rm" "-f" "6470e6f0183ec69c02c0bae277874f7a4479f4f38791d565e8187f8138f9771d"`
[INFO] [stdout] 6470e6f0183ec69c02c0bae277874f7a4479f4f38791d565e8187f8138f9771d