[INFO] crate erl_ast 0.0.6 is already in cache
[INFO] extracting crate erl_ast 0.0.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/erl_ast/0.0.6
[INFO] extracting crate erl_ast 0.0.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/erl_ast/0.0.6
[INFO] validating manifest of erl_ast-0.0.6 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of erl_ast-0.0.6 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing erl_ast-0.0.6
[INFO] finished frobbing erl_ast-0.0.6
[INFO] frobbed toml for erl_ast-0.0.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/erl_ast/0.0.6/Cargo.toml
[INFO] started frobbing erl_ast-0.0.6
[INFO] finished frobbing erl_ast-0.0.6
[INFO] frobbed toml for erl_ast-0.0.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/erl_ast/0.0.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing erl_ast-0.0.6 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/erl_ast/0.0.6:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 68e29d34112396e8b4b54e52b47df0d3ab225168714c3f1275a7c55808345058
[INFO] running `"docker" "start" "-a" "68e29d34112396e8b4b54e52b47df0d3ab225168714c3f1275a7c55808345058"`
[INFO] [stderr]    Compiling beam_file v0.2.4
[INFO] [stderr]    Compiling eetf v0.3.6
[INFO] [stderr]    Compiling erl_ast v0.0.6 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:30:43
[INFO] [stderr]    |
[INFO] [stderr] 30 |             FromBeamError::Io(ref x) => x.cause(),
[INFO] [stderr]    |                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:31:49
[INFO] [stderr]    |
[INFO] [stderr] 31 |             FromBeamError::BeamFile(ref x) => x.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:32:51
[INFO] [stderr]    |
[INFO] [stderr] 32 |             FromBeamError::TermDecode(ref x) => x.cause(),
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `"docker" "inspect" "68e29d34112396e8b4b54e52b47df0d3ab225168714c3f1275a7c55808345058"`
[INFO] running `"docker" "rm" "-f" "68e29d34112396e8b4b54e52b47df0d3ab225168714c3f1275a7c55808345058"`
[INFO] [stdout] 68e29d34112396e8b4b54e52b47df0d3ab225168714c3f1275a7c55808345058
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/erl_ast/0.0.6:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ab4adbb1962a8a9aae00919ea47e4ae514cfe78fa0c7558e34aa39376ed03848
[INFO] running `"docker" "start" "-a" "ab4adbb1962a8a9aae00919ea47e4ae514cfe78fa0c7558e34aa39376ed03848"`
[INFO] [stderr]    Compiling erl_ast v0.0.6 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:30:43
[INFO] [stderr]    |
[INFO] [stderr] 30 |             FromBeamError::Io(ref x) => x.cause(),
[INFO] [stderr]    |                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:31:49
[INFO] [stderr]    |
[INFO] [stderr] 31 |             FromBeamError::BeamFile(ref x) => x.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:32:51
[INFO] [stderr]    |
[INFO] [stderr] 32 |             FromBeamError::TermDecode(ref x) => x.cause(),
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.37s
[INFO] running `"docker" "inspect" "ab4adbb1962a8a9aae00919ea47e4ae514cfe78fa0c7558e34aa39376ed03848"`
[INFO] running `"docker" "rm" "-f" "ab4adbb1962a8a9aae00919ea47e4ae514cfe78fa0c7558e34aa39376ed03848"`
[INFO] [stdout] ab4adbb1962a8a9aae00919ea47e4ae514cfe78fa0c7558e34aa39376ed03848
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/erl_ast/0.0.6:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9b910022fda1c8ca3e5851535a8baf20eb88927f46afb538ed3fc8087ced60ab
[INFO] running `"docker" "start" "-a" "9b910022fda1c8ca3e5851535a8baf20eb88927f46afb538ed3fc8087ced60ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/erl_ast-da9aa6e30444f178
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests erl_ast
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9b910022fda1c8ca3e5851535a8baf20eb88927f46afb538ed3fc8087ced60ab"`
[INFO] running `"docker" "rm" "-f" "9b910022fda1c8ca3e5851535a8baf20eb88927f46afb538ed3fc8087ced60ab"`
[INFO] [stdout] 9b910022fda1c8ca3e5851535a8baf20eb88927f46afb538ed3fc8087ced60ab