[INFO] fetching crate n5-wasm 0.1.0...
[INFO] testing n5-wasm-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate n5-wasm 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate n5-wasm 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n5-wasm 0.1.0
[INFO] finished tweaking crates.io crate n5-wasm 0.1.0
[INFO] tweaked toml for crates.io crate n5-wasm 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded n5 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10e9041c4bbce93563337ba615439f66945b6eae566afadc25d27c241c33a4fe
[INFO] running `Command { std: "docker" "start" "-a" "10e9041c4bbce93563337ba615439f66945b6eae566afadc25d27c241c33a4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e9041c4bbce93563337ba615439f66945b6eae566afadc25d27c241c33a4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e9041c4bbce93563337ba615439f66945b6eae566afadc25d27c241c33a4fe", kill_on_drop: false }`
[INFO] [stdout] 10e9041c4bbce93563337ba615439f66945b6eae566afadc25d27c241c33a4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a10d4f0f75cf9ff128250d990181e0850ad0f84a617ca8d6277821adc39aca9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a10d4f0f75cf9ff128250d990181e0850ad0f84a617ca8d6277821adc39aca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]    Compiling js-sys v0.3.45
[INFO] [stderr]    Compiling n5 v0.3.0
[INFO] [stderr]    Compiling web-sys v0.3.45
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.27
[INFO] [stderr]    Compiling n5-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:146:34
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn get_version(&self) -> Box<Future<Item = n5::Version, Error = Error>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::Version, Error = Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Box<Future<Item = n5::DatasetAttributes, Error = Error>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::DatasetAttributes, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:170:46
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:186:14
[INFO] [stdout]     |
[INFO] [stdout] 186 |     ) -> Box<Future<Item = Option<VecDataBlock<T>>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<VecDataBlock<T>>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn list(&self, _path_name: &str) -> Box<Future<Item = Vec<String>, Error = Error>> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |     ) -> Box<Future<Item = serde_json::Value, Error = Error>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = serde_json::Value, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |     ) -> Box<Future<Item = Option<String>, Error = Error>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:249:14
[INFO] [stdout]     |
[INFO] [stdout] 249 |     ) -> Box<Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn get_version(&self) -> Box<Future<Item = n5::Version, Error = Error>>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::Version, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Box<Future<Item = n5::DatasetAttributes, Error = Error>>;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::DatasetAttributes, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:215:46
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>>;
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:54
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn dataset_exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:14
[INFO] [stdout]     |
[INFO] [stdout] 230 |     ) -> Box<Future<Item = Option<VecDataBlock<T>>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<VecDataBlock<T>>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:235:44
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn list(&self, path_name: &str) -> Box<Future<Item = Vec<String>, Error = Error>>;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:55
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn list_attributes(&self, path_name: &str) -> Box<Future<Item = serde_json::Value, Error = Error>>;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = serde_json::Value, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:247:14
[INFO] [stdout]     |
[INFO] [stdout] 247 |     ) -> Box<Future<Item = Option<String>, Error = Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 |     ) -> Box<Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.52s
[INFO] running `Command { std: "docker" "inspect" "1a10d4f0f75cf9ff128250d990181e0850ad0f84a617ca8d6277821adc39aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a10d4f0f75cf9ff128250d990181e0850ad0f84a617ca8d6277821adc39aca9", kill_on_drop: false }`
[INFO] [stdout] 1a10d4f0f75cf9ff128250d990181e0850ad0f84a617ca8d6277821adc39aca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ea7841fb7d5b80685245374c2323bd0ce172d0e1033776c1163cc1f3ff44bb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ea7841fb7d5b80685245374c2323bd0ce172d0e1033776c1163cc1f3ff44bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling n5-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:146:34
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn get_version(&self) -> Box<Future<Item = n5::Version, Error = Error>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::Version, Error = Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Box<Future<Item = n5::DatasetAttributes, Error = Error>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::DatasetAttributes, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:170:46
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:186:14
[INFO] [stdout]     |
[INFO] [stdout] 186 |     ) -> Box<Future<Item = Option<VecDataBlock<T>>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<VecDataBlock<T>>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn list(&self, _path_name: &str) -> Box<Future<Item = Vec<String>, Error = Error>> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |     ) -> Box<Future<Item = serde_json::Value, Error = Error>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = serde_json::Value, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |     ) -> Box<Future<Item = Option<String>, Error = Error>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/http_fetch.rs:249:14
[INFO] [stdout]     |
[INFO] [stdout] 249 |     ) -> Box<Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn get_version(&self) -> Box<Future<Item = n5::Version, Error = Error>>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::Version, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Box<Future<Item = n5::DatasetAttributes, Error = Error>>;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::DatasetAttributes, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:215:46
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>>;
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:217:54
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn dataset_exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:230:14
[INFO] [stdout]     |
[INFO] [stdout] 230 |     ) -> Box<Future<Item = Option<VecDataBlock<T>>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<VecDataBlock<T>>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:235:44
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn list(&self, path_name: &str) -> Box<Future<Item = Vec<String>, Error = Error>>;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:55
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn list_attributes(&self, path_name: &str) -> Box<Future<Item = serde_json::Value, Error = Error>>;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = serde_json::Value, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:247:14
[INFO] [stdout]     |
[INFO] [stdout] 247 |     ) -> Box<Future<Item = Option<String>, Error = Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<String>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 |     ) -> Box<Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "0ea7841fb7d5b80685245374c2323bd0ce172d0e1033776c1163cc1f3ff44bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea7841fb7d5b80685245374c2323bd0ce172d0e1033776c1163cc1f3ff44bb9", kill_on_drop: false }`
[INFO] [stdout] 0ea7841fb7d5b80685245374c2323bd0ce172d0e1033776c1163cc1f3ff44bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9893880f96782df92a62816fef93855d41f89bc7092ba6fddfe725d6db34bd18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9893880f96782df92a62816fef93855d41f89bc7092ba6fddfe725d6db34bd18", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:146:34
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn get_version(&self) -> Box<Future<Item = n5::Version, Error = Error>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::Version, Error = 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/http_fetch.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             Box<Future<Item = n5::DatasetAttributes, Error = Error>> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::DatasetAttributes, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:170:46
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:186:14
[INFO] [stderr]     |
[INFO] [stderr] 186 |     ) -> Box<Future<Item = Option<VecDataBlock<T>>, Error = Error>>
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<VecDataBlock<T>>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:196:45
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn list(&self, _path_name: &str) -> Box<Future<Item = Vec<String>, Error = Error>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<String>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:204:14
[INFO] [stderr]     |
[INFO] [stderr] 204 |     ) -> Box<Future<Item = serde_json::Value, Error = Error>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = serde_json::Value, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:216:14
[INFO] [stderr]     |
[INFO] [stderr] 216 |     ) -> Box<Future<Item = Option<String>, Error = Error>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<String>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/http_fetch.rs:249:14
[INFO] [stderr]     |
[INFO] [stderr] 249 |     ) -> Box<Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>>
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:210:34
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn get_version(&self) -> Box<Future<Item = n5::Version, Error = Error>>;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::Version, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         Box<Future<Item = n5::DatasetAttributes, Error = Error>>;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = n5::DatasetAttributes, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:215:46
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>>;
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:217:54
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn dataset_exists(&self, path_name: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:230:14
[INFO] [stderr]     |
[INFO] [stderr] 230 |     ) -> Box<Future<Item = Option<VecDataBlock<T>>, Error = Error>>
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<VecDataBlock<T>>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:235:44
[INFO] [stderr]     |
[INFO] [stderr] 235 |     fn list(&self, path_name: &str) -> Box<Future<Item = Vec<String>, Error = Error>>;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<String>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:237:55
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn list_attributes(&self, path_name: &str) -> Box<Future<Item = serde_json::Value, Error = Error>>;
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = serde_json::Value, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:247:14
[INFO] [stderr]     |
[INFO] [stderr] 247 |     ) -> Box<Future<Item = Option<String>, Error = Error>>;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<String>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:254:14
[INFO] [stderr]     |
[INFO] [stderr] 254 |     ) -> Box<Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>>
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Option<(VecDataBlock<T>, Option<String>)>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/n5_wasm-46519758882383f4
[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 `Command { std: "docker" "inspect" "9893880f96782df92a62816fef93855d41f89bc7092ba6fddfe725d6db34bd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9893880f96782df92a62816fef93855d41f89bc7092ba6fddfe725d6db34bd18", kill_on_drop: false }`
[INFO] [stdout] 9893880f96782df92a62816fef93855d41f89bc7092ba6fddfe725d6db34bd18
