[INFO] updating cached repository garyttierney/libsepolrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garyttierney/libsepolrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garyttierney/libsepolrs" "work/ex/beta-1.38-1/sources/1.37.0/gh/garyttierney/libsepolrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/garyttierney/libsepolrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garyttierney/libsepolrs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garyttierney/libsepolrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garyttierney/libsepolrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83b1e107f7328c9906417b6423def7c22d78ec13
[INFO] sha for GitHub repo garyttierney/libsepolrs: 83b1e107f7328c9906417b6423def7c22d78ec13
[INFO] validating manifest of garyttierney/libsepolrs 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 garyttierney/libsepolrs 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 garyttierney/libsepolrs
[INFO] finished frobbing garyttierney/libsepolrs
[INFO] frobbed toml for garyttierney/libsepolrs written to work/ex/beta-1.38-1/sources/1.37.0/gh/garyttierney/libsepolrs/Cargo.toml
[INFO] started frobbing garyttierney/libsepolrs
[INFO] finished frobbing garyttierney/libsepolrs
[INFO] frobbed toml for garyttierney/libsepolrs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garyttierney/libsepolrs/Cargo.toml
[INFO] crate garyttierney/libsepolrs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing garyttierney/libsepolrs 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/gh/garyttierney/libsepolrs:/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] db268c1d6d2cc61ebf32626b2ed75a8be2382906b228a93b3e0b029e66fbb72f
[INFO] running `"docker" "start" "-a" "db268c1d6d2cc61ebf32626b2ed75a8be2382906b228a93b3e0b029e66fbb72f"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling env_logger v0.5.11
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling croaring-sys v0.3.5
[INFO] [stderr]    Compiling croaring v0.3.5
[INFO] [stderr]    Compiling sepolrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/bitmap.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/class.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/cons.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/mls.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/policydb/mls.rs:37:41
[INFO] [stderr]    |
[INFO] [stderr] 37 |             categories.add_range_closed((low..high))
[INFO] [stderr]    |                                         ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/polcap.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/policydb/profile.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/policydb/profile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/role.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::PolicyType`
[INFO] [stderr]  --> src/policydb/role.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use policydb::PolicyType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/symtable.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::PolicyReadError`
[INFO] [stderr]  --> src/policydb/symtable.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use policydb::PolicyReadError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::PolicyReader`
[INFO] [stderr]  --> src/policydb/symtable.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use policydb::PolicyReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/policydb/symtable.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/ty.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `policydb::CompatibilityProfile`
[INFO] [stderr]  --> src/policydb/user.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use policydb::CompatibilityProfile;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `sepolrs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "db268c1d6d2cc61ebf32626b2ed75a8be2382906b228a93b3e0b029e66fbb72f"`
[INFO] running `"docker" "rm" "-f" "db268c1d6d2cc61ebf32626b2ed75a8be2382906b228a93b3e0b029e66fbb72f"`
[INFO] [stdout] db268c1d6d2cc61ebf32626b2ed75a8be2382906b228a93b3e0b029e66fbb72f