[INFO] updating cached repository augustuswm/masquerade [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/augustuswm/masquerade [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/augustuswm/masquerade" "work/ex/beta-1.38-1/sources/1.37.0/gh/augustuswm/masquerade"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/augustuswm/masquerade'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/augustuswm/masquerade" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/augustuswm/masquerade"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/augustuswm/masquerade'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9d74a0973b490a557a43812eeb9554057667a9c0 [INFO] sha for GitHub repo augustuswm/masquerade: 9d74a0973b490a557a43812eeb9554057667a9c0 [INFO] validating manifest of augustuswm/masquerade 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 augustuswm/masquerade 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 augustuswm/masquerade [INFO] finished frobbing augustuswm/masquerade [INFO] frobbed toml for augustuswm/masquerade written to work/ex/beta-1.38-1/sources/1.37.0/gh/augustuswm/masquerade/Cargo.toml [INFO] started frobbing augustuswm/masquerade [INFO] finished frobbing augustuswm/masquerade [INFO] frobbed toml for augustuswm/masquerade written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/augustuswm/masquerade/Cargo.toml [INFO] crate augustuswm/masquerade 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 augustuswm/masquerade 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/augustuswm/masquerade:/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] 052e41f71d5ff034202ffe118b865bce9cdc781419c2825d30d565a95e297ed7 [INFO] running `"docker" "start" "-a" "052e41f71d5ff034202ffe118b865bce9cdc781419c2825d30d565a95e297ed7"` [INFO] [stderr] Compiling actix-web v0.7.8 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling ring v0.13.2 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling socket2 v0.3.5 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling regex-syntax v0.6.0 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling crossbeam-epoch v0.6.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling uuid v0.6.3 [INFO] [stderr] Compiling mio v0.6.14 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling chrono v0.4.2 [INFO] [stderr] Compiling tokio-io v0.1.9 [INFO] [stderr] Compiling http v0.1.13 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling tokio-timer v0.2.5 [INFO] [stderr] Compiling tokio-current-thread v0.1.3 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [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 syn v0.14.9 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.1 [INFO] [stderr] Compiling mio-uds v0.6.6 [INFO] [stderr] Compiling phf_generator v0.7.22 [INFO] [stderr] Compiling tokio-threadpool v0.1.7 [INFO] [stderr] Compiling serde_urlencoded v0.5.3 [INFO] [stderr] Compiling flate2 v1.0.3 [INFO] [stderr] Compiling error-chain v0.1.12 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Compiling h2 v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio-udp v0.1.0 [INFO] [stderr] Compiling tokio-signal v0.2.5 [INFO] [stderr] Compiling phf_codegen v0.7.22 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-fs v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.52 [INFO] [stderr] Compiling trust-dns-proto v0.4.0 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.4 [INFO] [stderr] Compiling cookie v0.11.0 [INFO] [stderr] Compiling bson v0.11.1 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling tokio v0.1.7 [INFO] [stderr] Compiling env_logger v0.5.10 [INFO] [stderr] Compiling trust-dns-resolver v0.9.1 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling actix_derive v0.3.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling actix v0.7.4 [INFO] [stderr] Compiling masquerade v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: At least one backend feature must be selected [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | compile_error!("At least one backend feature must be selected"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `apps` in this scope [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | let _ = apps.upsert( [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `flags` in this scope [INFO] [stderr] --> src/main.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | let _ = flags.upsert(&a, "f1", &flag); [INFO] [stderr] | ^^^^^ help: a local variable with a similar name exists: `flag` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `users` in this scope [INFO] [stderr] --> src/main.rs:144:13 [INFO] [stderr] | [INFO] [stderr] 144 | let _ = users.upsert(&"users".to_string(), "dev", &u); [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `flags` in this scope [INFO] [stderr] --> src/main.rs:146:15 [INFO] [stderr] | [INFO] [stderr] 146 | api::boot(flags, apps, users); [INFO] [stderr] | ^^^^^ help: a local variable with a similar name exists: `flag` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `apps` in this scope [INFO] [stderr] --> src/main.rs:146:22 [INFO] [stderr] | [INFO] [stderr] 146 | api::boot(flags, apps, users); [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `users` in this scope [INFO] [stderr] --> src/main.rs:146:28 [INFO] [stderr] | [INFO] [stderr] 146 | api::boot(flags, apps, users); [INFO] [stderr] | ^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/api/flag.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/flag.rs:13:53 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn read<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [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/api/flag.rs:36:55 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn create<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/flag.rs:64:55 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn update<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/flag.rs:95:55 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn delete<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/flag.rs:122:52 [INFO] [stderr] | [INFO] [stderr] 122 | pub fn all<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/path.rs:21:55 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn create<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/path.rs:53:52 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn all<'r>(req: &'r HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/state.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | pub type FlagStore = ThreadedStore; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadedStore` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/state.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | pub type PathStore = ThreadedStore; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadedStore` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/state.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | pub type UserStore = ThreadedStore; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadedStore` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/state.rs:30:33 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn flags(&self) -> &Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadedStore` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/state.rs:34:33 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn paths(&self) -> &Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadedStore` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/api/state.rs:38:33 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn users(&self) -> &Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadedStore` [INFO] [stderr] [INFO] [stderr] warning: unused import: `store::Store` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | use store::Store; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Stream` [INFO] [stderr] --> src/api/flag.rs:3:31 [INFO] [stderr] | [INFO] [stderr] 3 | use futures::{future, Future, Stream}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Stream` [INFO] [stderr] --> src/api/path.rs:3:31 [INFO] [stderr] | [INFO] [stderr] 3 | use futures::{future, Future, Stream}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0425`. [INFO] [stderr] error: Could not compile `masquerade`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "052e41f71d5ff034202ffe118b865bce9cdc781419c2825d30d565a95e297ed7"` [INFO] running `"docker" "rm" "-f" "052e41f71d5ff034202ffe118b865bce9cdc781419c2825d30d565a95e297ed7"` [INFO] [stdout] 052e41f71d5ff034202ffe118b865bce9cdc781419c2825d30d565a95e297ed7