[INFO] crate github-api 0.4.3 is already in cache
[INFO] extracting crate github-api 0.4.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/github-api/0.4.3
[INFO] extracting crate github-api 0.4.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/github-api/0.4.3
[INFO] validating manifest of github-api-0.4.3 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 github-api-0.4.3 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 github-api-0.4.3
[INFO] finished frobbing github-api-0.4.3
[INFO] frobbed toml for github-api-0.4.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/github-api/0.4.3/Cargo.toml
[INFO] started frobbing github-api-0.4.3
[INFO] finished frobbing github-api-0.4.3
[INFO] frobbed toml for github-api-0.4.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/github-api/0.4.3/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 github-api-0.4.3 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-5/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/github-api/0.4.3:/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] 0de2560c46555fe9f75406e8d05561b46e9cbe2ed12c31265b2e78c185058b79
[INFO] running `"docker" "start" "-a" "0de2560c46555fe9f75406e8d05561b46e9cbe2ed12c31265b2e78c185058b79"`
[INFO] [stderr]    Compiling burgundy v0.3.3
[INFO] [stderr]    Compiling github-api v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use extern::burgundy;
[INFO] [stderr]    |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]    |
[INFO] [stderr] 10 | use r#extern::burgundy;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub use extern::burgundy::Error;
[INFO] [stderr]    |         ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub use r#extern::burgundy::Error;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]   --> src/lib.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub use extern::burgundy::Result;
[INFO] [stderr]    |         ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub use r#extern::burgundy::Result;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/orgs.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/orgs/owner.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/orgs/owner/repos.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/compare.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/compare/revision.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/contents.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/contents/path.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::base64;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::base64;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/contents/path.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 2 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/commits.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/commits/path.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `extern`
[INFO] [stderr]  --> src/get/repos/owner/repo/commits/sha.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^ expected identifier, found keyword
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]   |
[INFO] [stderr] 1 | use r#extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(extern_in_paths)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `::foo::bar` paths
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(extern_in_paths)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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(crate_visibility_modifier)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(extern_in_paths)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use extern::burgundy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/orgs.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/orgs/owner.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/orgs/owner/repos.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/compare.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/compare/revision.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/contents.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::base64`
[INFO] [stderr]  --> src/get/repos/owner/repo/contents/path.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::base64;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/contents/path.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/commits.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/commits/path.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extern::burgundy`
[INFO] [stderr]  --> src/get/repos/owner/repo/commits/sha.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use extern::burgundy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `github-api`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0de2560c46555fe9f75406e8d05561b46e9cbe2ed12c31265b2e78c185058b79"`
[INFO] running `"docker" "rm" "-f" "0de2560c46555fe9f75406e8d05561b46e9cbe2ed12c31265b2e78c185058b79"`
[INFO] [stdout] 0de2560c46555fe9f75406e8d05561b46e9cbe2ed12c31265b2e78c185058b79