[INFO] crate utmp 0.0.2 is already in cache
[INFO] extracting crate utmp 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/utmp/0.0.2
[INFO] extracting crate utmp 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/utmp/0.0.2
[INFO] validating manifest of utmp-0.0.2 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 utmp-0.0.2 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 utmp-0.0.2
[INFO] finished frobbing utmp-0.0.2
[INFO] frobbed toml for utmp-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/utmp/0.0.2/Cargo.toml
[INFO] started frobbing utmp-0.0.2
[INFO] finished frobbing utmp-0.0.2
[INFO] frobbed toml for utmp-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/utmp/0.0.2/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 utmp-0.0.2 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/utmp/0.0.2:/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] 7d5434d4dfc0587811f5482d6df35fcce85c47aeb550e471ed61826ff7ef2f6d
[INFO] running `"docker" "start" "-a" "7d5434d4dfc0587811f5482d6df35fcce85c47aeb550e471ed61826ff7ef2f6d"`
[INFO] [stderr]    Compiling utmp v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `std::io::File`, `std::io::SeekStyle`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{File, SeekStyle};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^ no `SeekStyle` in `io`
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::FromPrimitive`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::num::FromPrimitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `FromPrimitive` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the derive macro `FromPrimitive`
[INFO] [stderr]  --> src/lib.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(FromPrimitive)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/lib.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let path = Path::new("/var/run/utmpx");
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `UtmpxRecordType: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/lib.rs:23:6
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Copy for UtmpxRecordType { }
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `UtmpxRecordType`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `utmp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7d5434d4dfc0587811f5482d6df35fcce85c47aeb550e471ed61826ff7ef2f6d"`
[INFO] running `"docker" "rm" "-f" "7d5434d4dfc0587811f5482d6df35fcce85c47aeb550e471ed61826ff7ef2f6d"`
[INFO] [stdout] 7d5434d4dfc0587811f5482d6df35fcce85c47aeb550e471ed61826ff7ef2f6d