[INFO] crate rust_twitter_bot_lib 0.1.2 is already in cache
[INFO] extracting crate rust_twitter_bot_lib 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust_twitter_bot_lib/0.1.2
[INFO] extracting crate rust_twitter_bot_lib 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_twitter_bot_lib/0.1.2
[INFO] validating manifest of rust_twitter_bot_lib-0.1.2 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 rust_twitter_bot_lib-0.1.2 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 rust_twitter_bot_lib-0.1.2
[INFO] finished frobbing rust_twitter_bot_lib-0.1.2
[INFO] frobbed toml for rust_twitter_bot_lib-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust_twitter_bot_lib/0.1.2/Cargo.toml
[INFO] started frobbing rust_twitter_bot_lib-0.1.2
[INFO] finished frobbing rust_twitter_bot_lib-0.1.2
[INFO] frobbed toml for rust_twitter_bot_lib-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_twitter_bot_lib/0.1.2/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 rust_twitter_bot_lib-0.1.2 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-7/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/rust_twitter_bot_lib/0.1.2:/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] 27bc19378a0d0e6142d2cdf806f06f5c5def8d3737e6d626ce41bc9ed3fa9c97
[INFO] running `"docker" "start" "-a" "27bc19378a0d0e6142d2cdf806f06f5c5def8d3737e6d626ce41bc9ed3fa9c97"`
[INFO] [stderr]    Compiling oauthcli v1.0.4
[INFO] [stderr]    Compiling rust_twitter_bot_lib v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:42
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn is_connected(&self) -> Option<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]    --> src/lib.rs:107:24
[INFO] [stderr]     |
[INFO] [stderr] 107 |     ) -> Result<T, Box<Error>> {
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:150:63
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn upload_file(&self, path: &Path) -> Result<u64, Box<Error>> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:193:45
[INFO] [stderr]     |
[INFO] [stderr] 193 |     ) -> Result<tweet_structure::Tweet, Box<Error>> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:213:83
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn get_tweet(&self, tweet_id: &str) -> Result<tweet_structure::Tweet, Box<Error>> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:226:50
[INFO] [stderr]     |
[INFO] [stderr] 226 |     ) -> Result<Vec<tweet_structure::Tweet>, Box<Error>> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:262:32
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `"docker" "inspect" "27bc19378a0d0e6142d2cdf806f06f5c5def8d3737e6d626ce41bc9ed3fa9c97"`
[INFO] running `"docker" "rm" "-f" "27bc19378a0d0e6142d2cdf806f06f5c5def8d3737e6d626ce41bc9ed3fa9c97"`
[INFO] [stdout] 27bc19378a0d0e6142d2cdf806f06f5c5def8d3737e6d626ce41bc9ed3fa9c97
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/rust_twitter_bot_lib/0.1.2:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 648b9e3763b8ff185f623973622400409c01bfa9255938874a0c556bde1eb529
[INFO] running `"docker" "start" "-a" "648b9e3763b8ff185f623973622400409c01bfa9255938874a0c556bde1eb529"`
[INFO] [stderr]    Compiling rust_twitter_bot_lib v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:42
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn is_connected(&self) -> Option<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]    --> src/lib.rs:107:24
[INFO] [stderr]     |
[INFO] [stderr] 107 |     ) -> Result<T, Box<Error>> {
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:150:63
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn upload_file(&self, path: &Path) -> Result<u64, Box<Error>> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:193:45
[INFO] [stderr]     |
[INFO] [stderr] 193 |     ) -> Result<tweet_structure::Tweet, Box<Error>> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:213:83
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn get_tweet(&self, tweet_id: &str) -> Result<tweet_structure::Tweet, Box<Error>> {
[INFO] [stderr]     |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:226:50
[INFO] [stderr]     |
[INFO] [stderr] 226 |     ) -> Result<Vec<tweet_structure::Tweet>, Box<Error>> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:262:32
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_CONSUMER_KEY` in this scope
[INFO] [stderr]  --> examples/simple-tweet.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 |         .consumer_key(YOUR_CONSUMER_KEY)
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_CONSUMER_SECRET_KEY` in this scope
[INFO] [stderr]  --> examples/simple-tweet.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |         .consumer_secret_key(YOUR_CONSUMER_SECRET_KEY)
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_ACCESS_TOKEN` in this scope
[INFO] [stderr]  --> examples/simple-tweet.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |         .access_token(YOUR_ACCESS_TOKEN)
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_SECRET_ACCESS_TOKEN` in this scope
[INFO] [stderr]  --> examples/simple-tweet.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |         .secret_access_token(YOUR_SECRET_ACCESS_TOKEN);
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rust_twitter_bot_lib`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find value `YOUR_CONSUMER_KEY` in this scope
[INFO] [stderr]  --> examples/upload_tweet.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |         .consumer_key(YOUR_CONSUMER_KEY)
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_CONSUMER_SECRET_KEY` in this scope
[INFO] [stderr]  --> examples/upload_tweet.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |         .consumer_secret_key(YOUR_CONSUMER_SECRET_KEY)
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_ACCESS_TOKEN` in this scope
[INFO] [stderr]  --> examples/upload_tweet.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         .access_token(YOUR_ACCESS_TOKEN)
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `YOUR_SECRET_ACCESS_TOKEN` in this scope
[INFO] [stderr]   --> examples/upload_tweet.rs:10:30
[INFO] [stderr]    |
[INFO] [stderr] 10 |         .secret_access_token(YOUR_SECRET_ACCESS_TOKEN);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rust_twitter_bot_lib`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "648b9e3763b8ff185f623973622400409c01bfa9255938874a0c556bde1eb529"`
[INFO] running `"docker" "rm" "-f" "648b9e3763b8ff185f623973622400409c01bfa9255938874a0c556bde1eb529"`
[INFO] [stdout] 648b9e3763b8ff185f623973622400409c01bfa9255938874a0c556bde1eb529