[INFO] crate twilio-async 0.2.0 is already in cache
[INFO] extracting crate twilio-async 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/twilio-async/0.2.0
[INFO] extracting crate twilio-async 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/twilio-async/0.2.0
[INFO] validating manifest of twilio-async-0.2.0 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 twilio-async-0.2.0 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 twilio-async-0.2.0
[INFO] removed 0 missing examples
[INFO] finished frobbing twilio-async-0.2.0
[INFO] frobbed toml for twilio-async-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/twilio-async/0.2.0/Cargo.toml
[INFO] started frobbing twilio-async-0.2.0
[INFO] removed 0 missing examples
[INFO] finished frobbing twilio-async-0.2.0
[INFO] frobbed toml for twilio-async-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/twilio-async/0.2.0/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 twilio-async-0.2.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/twilio-async/0.2.0:/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=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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c452da84e5faec5e9df65a3bcd951884ffb9881cb772036430db06f18db55440
[INFO] running `"docker" "start" "-a" "c452da84e5faec5e9df65a3bcd951884ffb9881cb772036430db06f18db55440"`
[INFO] [stderr]    Compiling twiml v0.2.1
[INFO] [stderr]    Compiling typed-headers v0.1.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling twilio-async v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.94s
[INFO] running `"docker" "inspect" "c452da84e5faec5e9df65a3bcd951884ffb9881cb772036430db06f18db55440"`
[INFO] running `"docker" "rm" "-f" "c452da84e5faec5e9df65a3bcd951884ffb9881cb772036430db06f18db55440"`
[INFO] [stdout] c452da84e5faec5e9df65a3bcd951884ffb9881cb772036430db06f18db55440
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/twilio-async/0.2.0:/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=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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8e6b93fb4f9aa2c6de6074d840463a41c3b60b7f03d625ef39e98f6a4a7b3c72
[INFO] running `"docker" "start" "-a" "8e6b93fb4f9aa2c6de6074d840463a41c3b60b7f03d625ef39e98f6a4a7b3c72"`
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling twilio-async v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Response`
[INFO] [stderr]  --> examples/default.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     twiml::{Dial, Response, Twiml},
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:22:70
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn try_conference(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:37:63
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn try_msg(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:71:64
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn try_call(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sid`
[INFO] [stderr]   --> examples/default.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let MsgResp { sid, .. } = json;
[INFO] [stderr]    |                       ^^^ help: try ignoring the field: `sid: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_conference`
[INFO] [stderr]   --> examples/default.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn try_conference(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_call`
[INFO] [stderr]   --> examples/default.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn try_call(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `"docker" "inspect" "8e6b93fb4f9aa2c6de6074d840463a41c3b60b7f03d625ef39e98f6a4a7b3c72"`
[INFO] running `"docker" "rm" "-f" "8e6b93fb4f9aa2c6de6074d840463a41c3b60b7f03d625ef39e98f6a4a7b3c72"`
[INFO] [stdout] 8e6b93fb4f9aa2c6de6074d840463a41c3b60b7f03d625ef39e98f6a4a7b3c72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/twilio-async/0.2.0:/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=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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2bfd120da04c6902988b2597dad15fbc16bc880bc12e38a3f08433f3de4d2f1c
[INFO] running `"docker" "start" "-a" "2bfd120da04c6902988b2597dad15fbc16bc880bc12e38a3f08433f3de4d2f1c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twilio_async-cbfebf54cdf64d63
[INFO] [stderr]    Doc-tests twilio-async
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2bfd120da04c6902988b2597dad15fbc16bc880bc12e38a3f08433f3de4d2f1c"`
[INFO] running `"docker" "rm" "-f" "2bfd120da04c6902988b2597dad15fbc16bc880bc12e38a3f08433f3de4d2f1c"`
[INFO] [stdout] 2bfd120da04c6902988b2597dad15fbc16bc880bc12e38a3f08433f3de4d2f1c