[INFO] crate path 0.8.2 is already in cache
[INFO] extracting crate path 0.8.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/path/0.8.2
[INFO] extracting crate path 0.8.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/path/0.8.2
[INFO] validating manifest of path-0.8.2 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 path-0.8.2 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 path-0.8.2
[INFO] finished frobbing path-0.8.2
[INFO] frobbed toml for path-0.8.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/path/0.8.2/Cargo.toml
[INFO] started frobbing path-0.8.2
[INFO] finished frobbing path-0.8.2
[INFO] frobbed toml for path-0.8.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/path/0.8.2/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 path-0.8.2 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-0/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/path/0.8.2:/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] f71789ecc25deb82aa6b4e5ed6cf4f17fa56c0e850ba465248f9d236bdf8231a
[INFO] running `"docker" "start" "-a" "f71789ecc25deb82aa6b4e5ed6cf4f17fa56c0e850ba465248f9d236bdf8231a"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling mowl v1.3.0
[INFO] [stderr]    Compiling path v0.8.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `log::LogLevel`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | use log::LogLevel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ no `LogLevel` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub cause: Option<Box<Error>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:55:44
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn bail(code: ErrorType, description: &fmt::Display) -> PathError {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `path`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f71789ecc25deb82aa6b4e5ed6cf4f17fa56c0e850ba465248f9d236bdf8231a"`
[INFO] running `"docker" "rm" "-f" "f71789ecc25deb82aa6b4e5ed6cf4f17fa56c0e850ba465248f9d236bdf8231a"`
[INFO] [stdout] f71789ecc25deb82aa6b4e5ed6cf4f17fa56c0e850ba465248f9d236bdf8231a