[INFO] crate visctl 0.1.1 is already in cache
[INFO] extracting crate visctl 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/visctl/0.1.1
[INFO] extracting crate visctl 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/visctl/0.1.1
[INFO] validating manifest of visctl-0.1.1 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 visctl-0.1.1 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 visctl-0.1.1
[INFO] finished frobbing visctl-0.1.1
[INFO] frobbed toml for visctl-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/visctl/0.1.1/Cargo.toml
[INFO] started frobbing visctl-0.1.1
[INFO] finished frobbing visctl-0.1.1
[INFO] frobbed toml for visctl-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/visctl/0.1.1/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 visctl-0.1.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/visctl/0.1.1:/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] bdc74e7554f77e9727627d46e5771f00fd1d9c44a0c75bef93204236ca39cbad
[INFO] running `"docker" "start" "-a" "bdc74e7554f77e9727627d46e5771f00fd1d9c44a0c75bef93204236ca39cbad"`
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling websocket v0.20.4
[INFO] [stderr]    Compiling visctl v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/value.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_json(v: json::Value) -> Result<Self, 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:24:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(addr: &str) -> Result<Self, 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:29:53
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn connect(&mut self) -> Result<Client, 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:44:62
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn get(&mut self, path: String) -> Result<Value, 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:56:73
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn set(&mut self, path: String, value: Value) -> 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]   --> src/lib.rs:66:85
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn sub<F: Fn(Value)>(&mut self, path: String, handler: F) -> 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]   --> src/lib.rs:84:61
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn req(&mut self, req: Request) -> Result<Response, 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:95:46
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn rx(&mut self) -> Result<Response, 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/main.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn run() -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 21.93s
[INFO] running `"docker" "inspect" "bdc74e7554f77e9727627d46e5771f00fd1d9c44a0c75bef93204236ca39cbad"`
[INFO] running `"docker" "rm" "-f" "bdc74e7554f77e9727627d46e5771f00fd1d9c44a0c75bef93204236ca39cbad"`
[INFO] [stdout] bdc74e7554f77e9727627d46e5771f00fd1d9c44a0c75bef93204236ca39cbad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/visctl/0.1.1:/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] d38f83acb4d6544e34d5a003ba045031a92841d886534fa0f2685185128d2a57
[INFO] running `"docker" "start" "-a" "d38f83acb4d6544e34d5a003ba045031a92841d886534fa0f2685185128d2a57"`
[INFO] [stderr]    Compiling visctl v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/value.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_json(v: json::Value) -> Result<Self, 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:24:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(addr: &str) -> Result<Self, 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:29:53
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn connect(&mut self) -> Result<Client, 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:44:62
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn get(&mut self, path: String) -> Result<Value, 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:56:73
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn set(&mut self, path: String, value: Value) -> 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]   --> src/lib.rs:66:85
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn sub<F: Fn(Value)>(&mut self, path: String, handler: F) -> 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]   --> src/lib.rs:84:61
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn req(&mut self, req: Request) -> Result<Response, 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:95:46
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn rx(&mut self) -> Result<Response, 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/main.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn run() -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "d38f83acb4d6544e34d5a003ba045031a92841d886534fa0f2685185128d2a57"`
[INFO] running `"docker" "rm" "-f" "d38f83acb4d6544e34d5a003ba045031a92841d886534fa0f2685185128d2a57"`
[INFO] [stdout] d38f83acb4d6544e34d5a003ba045031a92841d886534fa0f2685185128d2a57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/visctl/0.1.1:/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] d6c2e5d0e216d5684e66d7ca5c9353525c433242ab9d0f530d7cb48331d26358
[INFO] running `"docker" "start" "-a" "d6c2e5d0e216d5684e66d7ca5c9353525c433242ab9d0f530d7cb48331d26358"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/visctl-55ce378b679327a3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test uuid::test::uuid_gen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/visctl-777b5937e3ffa02f
[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] [stderr]    Doc-tests visctl
[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" "d6c2e5d0e216d5684e66d7ca5c9353525c433242ab9d0f530d7cb48331d26358"`
[INFO] running `"docker" "rm" "-f" "d6c2e5d0e216d5684e66d7ca5c9353525c433242ab9d0f530d7cb48331d26358"`
[INFO] [stdout] d6c2e5d0e216d5684e66d7ca5c9353525c433242ab9d0f530d7cb48331d26358