[INFO] updating cached repository Fuzzerker/UltimaQ
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fuzzerker/UltimaQ
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fuzzerker/UltimaQ" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Fuzzerker/UltimaQ"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Fuzzerker/UltimaQ'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fuzzerker/UltimaQ" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Fuzzerker/UltimaQ"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Fuzzerker/UltimaQ'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27251a63201acd3453f1d0ef5e15a49a8a19b2bf
[INFO] sha for GitHub repo Fuzzerker/UltimaQ: 27251a63201acd3453f1d0ef5e15a49a8a19b2bf
[INFO] validating manifest of Fuzzerker/UltimaQ on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Fuzzerker/UltimaQ on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Fuzzerker/UltimaQ
[INFO] finished frobbing Fuzzerker/UltimaQ
[INFO] frobbed toml for Fuzzerker/UltimaQ written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Fuzzerker/UltimaQ/Cargo.toml
[INFO] started frobbing Fuzzerker/UltimaQ
[INFO] finished frobbing Fuzzerker/UltimaQ
[INFO] frobbed toml for Fuzzerker/UltimaQ written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Fuzzerker/UltimaQ/Cargo.toml
[INFO] crate Fuzzerker/UltimaQ already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Fuzzerker/UltimaQ against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Fuzzerker/UltimaQ:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4eed8acdfb5c76c9601d7a397e589450e34a1288611bb9bba6d9721a6a7eeb6
[INFO] running `"docker" "start" "-a" "b4eed8acdfb5c76c9601d7a397e589450e34a1288611bb9bba6d9721a6a7eeb6"`
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking rr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `BufReader`
[INFO] [stderr]   --> src/main.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let lines = lines(BufReader::new(reader));
[INFO] [stderr]    |                           ^^^^^^^^^ use of undeclared type or module `BufReader`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Request`
[INFO] [stderr]   --> src/main.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let request = match Request::parse(&line) {
[INFO] [stderr]    |                                 ^^^^^^^ use of undeclared type or module `Request`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]   --> src/main.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 Err(e) => return Response::Error { msg: e },
[INFO] [stderr]    |                                  ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Request`
[INFO] [stderr]   --> src/main.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 Request::Get { key } => {
[INFO] [stderr]    |                 ^^^^^^^ use of undeclared type or module `Request`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]   --> src/main.rs:97:40
[INFO] [stderr]    |
[INFO] [stderr] 97 |                         Some(value) => Response::Value { key, value: value.clone() },
[INFO] [stderr]    |                                        ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]   --> src/main.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         None => Response::Error { msg: format!("no key {}", key) },
[INFO] [stderr]    |                                 ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Request`
[INFO] [stderr]    --> src/main.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 Request::Set { key, value } => {
[INFO] [stderr]     |                 ^^^^^^^ use of undeclared type or module `Request`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]    --> src/main.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     Response::Set { key, value, previous }
[INFO] [stderr]     |                     ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lines` in this scope
[INFO] [stderr]   --> src/main.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let lines = lines(BufReader::new(reader));
[INFO] [stderr]    |                     ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 24 | use tokio_io::io::lines;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `msg` in this scope
[INFO] [stderr]    --> src/main.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         handle.spawn(msg);
[INFO] [stderr]     |                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_io::io::copy`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use tokio_io::io::copy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `get` found for type `std::sync::RwLock<Database>` in the current scope
[INFO] [stderr]   --> src/main.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     match db.get(&key) {
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `insert` found for type `std::sync::RwLock<Database>` in the current scope
[INFO] [stderr]    --> src/main.rs:102:39
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let previous = db.insert(key.clone(), value.clone());
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Future`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use futures::Future;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rr`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `BufReader`
[INFO] [stderr]   --> src/main.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let lines = lines(BufReader::new(reader));
[INFO] [stderr]    |                           ^^^^^^^^^ use of undeclared type or module `BufReader`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Request`
[INFO] [stderr]   --> src/main.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let request = match Request::parse(&line) {
[INFO] [stderr]    |                                 ^^^^^^^ use of undeclared type or module `Request`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]   --> src/main.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 Err(e) => return Response::Error { msg: e },
[INFO] [stderr]    |                                  ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Request`
[INFO] [stderr]   --> src/main.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 Request::Get { key } => {
[INFO] [stderr]    |                 ^^^^^^^ use of undeclared type or module `Request`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]   --> src/main.rs:97:40
[INFO] [stderr]    |
[INFO] [stderr] 97 |                         Some(value) => Response::Value { key, value: value.clone() },
[INFO] [stderr]    |                                        ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]   --> src/main.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         None => Response::Error { msg: format!("no key {}", key) },
[INFO] [stderr]    |                                 ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Request`
[INFO] [stderr]    --> src/main.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 Request::Set { key, value } => {
[INFO] [stderr]     |                 ^^^^^^^ use of undeclared type or module `Request`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Response`
[INFO] [stderr]    --> src/main.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     Response::Set { key, value, previous }
[INFO] [stderr]     |                     ^^^^^^^^ use of undeclared type or module `Response`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lines` in this scope
[INFO] [stderr]   --> src/main.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let lines = lines(BufReader::new(reader));
[INFO] [stderr]    |                     ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 24 | use tokio_io::io::lines;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `msg` in this scope
[INFO] [stderr]    --> src/main.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         handle.spawn(msg);
[INFO] [stderr]     |                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_io::io::copy`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use tokio_io::io::copy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `get` found for type `std::sync::RwLock<Database>` in the current scope
[INFO] [stderr]   --> src/main.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     match db.get(&key) {
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `insert` found for type `std::sync::RwLock<Database>` in the current scope
[INFO] [stderr]    --> src/main.rs:102:39
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let previous = db.insert(key.clone(), value.clone());
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Future`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use futures::Future;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b4eed8acdfb5c76c9601d7a397e589450e34a1288611bb9bba6d9721a6a7eeb6"`
[INFO] running `"docker" "rm" "-f" "b4eed8acdfb5c76c9601d7a397e589450e34a1288611bb9bba6d9721a6a7eeb6"`
[INFO] [stdout] b4eed8acdfb5c76c9601d7a397e589450e34a1288611bb9bba6d9721a6a7eeb6