[INFO] crate widestring 0.4.0 is already in cache
[INFO] checking widestring-0.4.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate widestring 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate widestring 0.4.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate widestring 0.4.0
[INFO] finished tweaking crates.io crate widestring 0.4.0
[INFO] tweaked toml for crates.io crate widestring 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9445890a3ceecf0a6cf9f0110254ba83a2d7d53d8cf1bd044bfaf36254c35528
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9445890a3ceecf0a6cf9f0110254ba83a2d7d53d8cf1bd044bfaf36254c35528"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking widestring v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
[INFO] [stderr]    --> src/lib.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 | pub use ucstring::*;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: use `crate`: `crate::ucstring::*`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 | #![deny(future_incompatible)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[deny(absolute_paths_not_starting_with_crate)]` implied by `#[deny(future_incompatible)]`
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
[INFO] [stderr] 
[INFO] [stderr] error: absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition
[INFO] [stderr]    --> src/lib.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 | pub use ustring::*;
[INFO] [stderr]     |         ^^^^^^^^^^ help: use `crate`: `crate::ustring::*`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #53130 <https://github.com/rust-lang/rust/issues/53130>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `widestring`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9445890a3ceecf0a6cf9f0110254ba83a2d7d53d8cf1bd044bfaf36254c35528"`
[INFO] running `"docker" "rm" "-f" "9445890a3ceecf0a6cf9f0110254ba83a2d7d53d8cf1bd044bfaf36254c35528"`
[INFO] [stdout] 9445890a3ceecf0a6cf9f0110254ba83a2d7d53d8cf1bd044bfaf36254c35528