[INFO] updating cached repository ccutch/chat-app
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ccutch/chat-app
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ccutch/chat-app" "work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/chat-app"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/chat-app'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ccutch/chat-app" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccutch/chat-app"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccutch/chat-app'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c9289773f94ea9d86ec05706e2be838e531110e
[INFO] sha for GitHub repo ccutch/chat-app: 2c9289773f94ea9d86ec05706e2be838e531110e
[INFO] validating manifest of ccutch/chat-app 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 ccutch/chat-app 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 ccutch/chat-app
[INFO] finished frobbing ccutch/chat-app
[INFO] frobbed toml for ccutch/chat-app written to work/ex/beta-1.38-1/sources/1.37.0/gh/ccutch/chat-app/Cargo.toml
[INFO] started frobbing ccutch/chat-app
[INFO] finished frobbing ccutch/chat-app
[INFO] frobbed toml for ccutch/chat-app written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccutch/chat-app/Cargo.toml
[INFO] crate ccutch/chat-app 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] testing ccutch/chat-app 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-4/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/ccutch/chat-app:/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] 52fd4916435f7fa80d829b050ae91915b892f4e4bb353398c31e5023764b8c1d
[INFO] running `"docker" "start" "-a" "52fd4916435f7fa80d829b050ae91915b892f4e4bb353398c31e5023764b8c1d"`
[INFO] [stderr]    Compiling rpassword v2.0.0
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     encrypter: Encrypter,// sealing key
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn Encrypter`
[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/main.rs:126:29
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chat`
[INFO] [stderr]   --> src/main.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct Chat<D: Decrypter, E: Encrypter, T: Transport> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]   --> src/main.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | struct User {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Recipient`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | struct Recipient {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RemoteKey`
[INFO] [stderr]    --> src/main.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct RemoteKey {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `"docker" "inspect" "52fd4916435f7fa80d829b050ae91915b892f4e4bb353398c31e5023764b8c1d"`
[INFO] running `"docker" "rm" "-f" "52fd4916435f7fa80d829b050ae91915b892f4e4bb353398c31e5023764b8c1d"`
[INFO] [stdout] 52fd4916435f7fa80d829b050ae91915b892f4e4bb353398c31e5023764b8c1d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/ccutch/chat-app:/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] 27803e48377a1c03230e0de4c23f40d98166e3b61a63f35a18e1f8b9b0ddd594
[INFO] running `"docker" "start" "-a" "27803e48377a1c03230e0de4c23f40d98166e3b61a63f35a18e1f8b9b0ddd594"`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     encrypter: Encrypter,// sealing key
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn Encrypter`
[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/main.rs:126:29
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chat`
[INFO] [stderr]   --> src/main.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct Chat<D: Decrypter, E: Encrypter, T: Transport> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]   --> src/main.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | struct User {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Recipient`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | struct Recipient {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RemoteKey`
[INFO] [stderr]    --> src/main.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct RemoteKey {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "27803e48377a1c03230e0de4c23f40d98166e3b61a63f35a18e1f8b9b0ddd594"`
[INFO] running `"docker" "rm" "-f" "27803e48377a1c03230e0de4c23f40d98166e3b61a63f35a18e1f8b9b0ddd594"`
[INFO] [stdout] 27803e48377a1c03230e0de4c23f40d98166e3b61a63f35a18e1f8b9b0ddd594
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/ccutch/chat-app:/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] f68faa647ae7030277c9a3d801580c6080e53ac55e994b4aede429a35a8bc087
[INFO] running `"docker" "start" "-a" "f68faa647ae7030277c9a3d801580c6080e53ac55e994b4aede429a35a8bc087"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chat-f1676970c131dbdc
[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" "f68faa647ae7030277c9a3d801580c6080e53ac55e994b4aede429a35a8bc087"`
[INFO] running `"docker" "rm" "-f" "f68faa647ae7030277c9a3d801580c6080e53ac55e994b4aede429a35a8bc087"`
[INFO] [stdout] f68faa647ae7030277c9a3d801580c6080e53ac55e994b4aede429a35a8bc087