[INFO] fetching crate libjwt 0.1.0...
[INFO] extracting crate libjwt 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/libjwt/0.1.0
[INFO] extracting crate libjwt 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/libjwt/0.1.0
[INFO] validating manifest of libjwt-0.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libjwt-0.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libjwt-0.1.0
[INFO] finished frobbing libjwt-0.1.0
[INFO] frobbed toml for libjwt-0.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/libjwt/0.1.0/Cargo.toml
[INFO] started frobbing libjwt-0.1.0
[INFO] finished frobbing libjwt-0.1.0
[INFO] frobbed toml for libjwt-0.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/libjwt/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libjwt-0.1.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/libjwt/0.1.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 7c3380eac73343d1a18347c252fecec0d2844cdd3aae5465e4459aaa125a7bf4
[INFO] running `"docker" "start" "-a" "7c3380eac73343d1a18347c252fecec0d2844cdd3aae5465e4459aaa125a7bf4"`
[INFO] [stderr]    Compiling libjwt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain!{
[INFO] [stderr] 13 | |     foreign_links {
[INFO] [stderr] 14 | |         Io(::std::io::Error);
[INFO] [stderr] 15 | |         Serde(::serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |     }
[INFO] [stderr] 47 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:58
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![deny(missing_docs, unsafe_code, unused_extern_crates, warnings)]
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain!{
[INFO] [stderr] 13 | |     foreign_links {
[INFO] [stderr] 14 | |         Io(::std::io::Error);
[INFO] [stderr] 15 | |         Serde(::serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |     }
[INFO] [stderr] 47 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `libjwt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7c3380eac73343d1a18347c252fecec0d2844cdd3aae5465e4459aaa125a7bf4"`
[INFO] running `"docker" "rm" "-f" "7c3380eac73343d1a18347c252fecec0d2844cdd3aae5465e4459aaa125a7bf4"`
[INFO] [stdout] 7c3380eac73343d1a18347c252fecec0d2844cdd3aae5465e4459aaa125a7bf4