[INFO] updating cached repository ksakiyama/example-rust-twitter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ksakiyama/example-rust-twitter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ksakiyama/example-rust-twitter" "work/ex/beta-1.38-1/sources/1.37.0/gh/ksakiyama/example-rust-twitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ksakiyama/example-rust-twitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ksakiyama/example-rust-twitter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksakiyama/example-rust-twitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksakiyama/example-rust-twitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66a3d74d444b06788ac5e3c33d2ca0464b294d31
[INFO] sha for GitHub repo ksakiyama/example-rust-twitter: 66a3d74d444b06788ac5e3c33d2ca0464b294d31
[INFO] validating manifest of ksakiyama/example-rust-twitter 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 ksakiyama/example-rust-twitter 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 ksakiyama/example-rust-twitter
[INFO] finished frobbing ksakiyama/example-rust-twitter
[INFO] frobbed toml for ksakiyama/example-rust-twitter written to work/ex/beta-1.38-1/sources/1.37.0/gh/ksakiyama/example-rust-twitter/Cargo.toml
[INFO] started frobbing ksakiyama/example-rust-twitter
[INFO] finished frobbing ksakiyama/example-rust-twitter
[INFO] frobbed toml for ksakiyama/example-rust-twitter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksakiyama/example-rust-twitter/Cargo.toml
[INFO] crate ksakiyama/example-rust-twitter already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ksakiyama/example-rust-twitter 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksakiyama/example-rust-twitter:/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] 49084e2e8bf5cd996b5f816a97ca50d70bb652d832602f3ad2faab2b48db3c9a
[INFO] running `"docker" "start" "-a" "49084e2e8bf5cd996b5f816a97ca50d70bb652d832602f3ad2faab2b48db3c9a"`
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling serde-hjson v0.8.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling serde_urlencoded v0.4.3
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling reqwest v0.5.2
[INFO] [stderr]    Compiling config v0.8.0
[INFO] [stderr]    Compiling oauth-client v0.3.2
[INFO] [stderr]    Compiling rusttwi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut cfg_path = env::home_dir().unwrap();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `"docker" "inspect" "49084e2e8bf5cd996b5f816a97ca50d70bb652d832602f3ad2faab2b48db3c9a"`
[INFO] running `"docker" "rm" "-f" "49084e2e8bf5cd996b5f816a97ca50d70bb652d832602f3ad2faab2b48db3c9a"`
[INFO] [stdout] 49084e2e8bf5cd996b5f816a97ca50d70bb652d832602f3ad2faab2b48db3c9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksakiyama/example-rust-twitter:/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] 4816b1b39f6ee62db514762d317a281066346c9be79f9bbade500a1de28b3f99
[INFO] running `"docker" "start" "-a" "4816b1b39f6ee62db514762d317a281066346c9be79f9bbade500a1de28b3f99"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusttwi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut cfg_path = env::home_dir().unwrap();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `"docker" "inspect" "4816b1b39f6ee62db514762d317a281066346c9be79f9bbade500a1de28b3f99"`
[INFO] running `"docker" "rm" "-f" "4816b1b39f6ee62db514762d317a281066346c9be79f9bbade500a1de28b3f99"`
[INFO] [stdout] 4816b1b39f6ee62db514762d317a281066346c9be79f9bbade500a1de28b3f99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksakiyama/example-rust-twitter:/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"`
[INFO] [stdout] 58fb5de3203a59e77610ddfdd5e9e79f959f0dcc0c2f8ea273b2c3d75d663ae8
[INFO] running `"docker" "start" "-a" "58fb5de3203a59e77610ddfdd5e9e79f959f0dcc0c2f8ea273b2c3d75d663ae8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusttwi-88ceadb1ed85caf7
[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" "58fb5de3203a59e77610ddfdd5e9e79f959f0dcc0c2f8ea273b2c3d75d663ae8"`
[INFO] running `"docker" "rm" "-f" "58fb5de3203a59e77610ddfdd5e9e79f959f0dcc0c2f8ea273b2c3d75d663ae8"`
[INFO] [stdout] 58fb5de3203a59e77610ddfdd5e9e79f959f0dcc0c2f8ea273b2c3d75d663ae8