[INFO] crate pbo 0.1.3 is already in cache
[INFO] extracting crate pbo 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/pbo/0.1.3
[INFO] extracting crate pbo 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbo/0.1.3
[INFO] validating manifest of pbo-0.1.3 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 pbo-0.1.3 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 pbo-0.1.3
[INFO] finished frobbing pbo-0.1.3
[INFO] frobbed toml for pbo-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pbo/0.1.3/Cargo.toml
[INFO] started frobbing pbo-0.1.3
[INFO] finished frobbing pbo-0.1.3
[INFO] frobbed toml for pbo-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbo/0.1.3/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 pbo-0.1.3 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-7/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/pbo/0.1.3:/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] 275f4882acbcbdc12571acd273aaa245cd57324399bfe19ed5333e795c601fe6
[INFO] running `"docker" "start" "-a" "275f4882acbcbdc12571acd273aaa245cd57324399bfe19ed5333e795c601fe6"`
[INFO] [stderr]    Compiling pbo v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "275f4882acbcbdc12571acd273aaa245cd57324399bfe19ed5333e795c601fe6"`
[INFO] running `"docker" "rm" "-f" "275f4882acbcbdc12571acd273aaa245cd57324399bfe19ed5333e795c601fe6"`
[INFO] [stdout] 275f4882acbcbdc12571acd273aaa245cd57324399bfe19ed5333e795c601fe6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/pbo/0.1.3:/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] 6fac025dd53548df5102d489290794ddac234bb73cc21163ebf247cc26f37f32
[INFO] running `"docker" "start" "-a" "6fac025dd53548df5102d489290794ddac234bb73cc21163ebf247cc26f37f32"`
[INFO] [stderr]    Compiling pbo v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "6fac025dd53548df5102d489290794ddac234bb73cc21163ebf247cc26f37f32"`
[INFO] running `"docker" "rm" "-f" "6fac025dd53548df5102d489290794ddac234bb73cc21163ebf247cc26f37f32"`
[INFO] [stdout] 6fac025dd53548df5102d489290794ddac234bb73cc21163ebf247cc26f37f32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/pbo/0.1.3:/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] 8f4cefb54bab5006590000485a9d4af3c20b03459cc8f41a7a239a7c37576382
[INFO] running `"docker" "start" "-a" "8f4cefb54bab5006590000485a9d4af3c20b03459cc8f41a7a239a7c37576382"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pbo-e567ca1796e452b0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test header::read ... ok
[INFO] [stderr]    Doc-tests pbo
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `pbo` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use pbo::PBO;
[INFO] [stderr]   |         ^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `pbo` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::pbo` to refer to this crate unambiguously
[INFO] [stderr] note: `pbo` could also refer to the module defined here
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod pbo;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   = help: use `crate::pbo` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[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] running `"docker" "inspect" "8f4cefb54bab5006590000485a9d4af3c20b03459cc8f41a7a239a7c37576382"`
[INFO] running `"docker" "rm" "-f" "8f4cefb54bab5006590000485a9d4af3c20b03459cc8f41a7a239a7c37576382"`
[INFO] [stdout] 8f4cefb54bab5006590000485a9d4af3c20b03459cc8f41a7a239a7c37576382