[INFO] updating cached repository tercen/rustson [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tercen/rustson [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tercen/rustson" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tercen/rustson"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tercen/rustson'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tercen/rustson" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tercen/rustson"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tercen/rustson'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1e76b230626c13eaa6920cec0ab26d34273e15cc [INFO] sha for GitHub repo tercen/rustson: 1e76b230626c13eaa6920cec0ab26d34273e15cc [INFO] validating manifest of tercen/rustson 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 tercen/rustson 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 tercen/rustson [INFO] finished frobbing tercen/rustson [INFO] frobbed toml for tercen/rustson written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tercen/rustson/Cargo.toml [INFO] started frobbing tercen/rustson [INFO] finished frobbing tercen/rustson [INFO] frobbed toml for tercen/rustson written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tercen/rustson/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 tercen/rustson against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tercen/rustson:/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] 86f454924e2777c85d8eeac8b44f52a4312774b67a29a36b1cdedff4c105f46e [INFO] running `"docker" "start" "-a" "86f454924e2777c85d8eeac8b44f52a4312774b67a29a36b1cdedff4c105f46e"` [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking rustson v0.2.10 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:96:37 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn read(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:96:37 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn read(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [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/deser.rs:112:38 [INFO] [stderr] | [INFO] [stderr] 112 | fn read_type(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:116:37 [INFO] [stderr] | [INFO] [stderr] 116 | fn read_len(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:120:40 [INFO] [stderr] | [INFO] [stderr] 120 | fn read_string(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:139:40 [INFO] [stderr] | [INFO] [stderr] 139 | fn read_object(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:144:53 [INFO] [stderr] | [INFO] [stderr] 144 | pub fn write(&self, value: &Value, writer: &mut Writer) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:149:51 [INFO] [stderr] | [INFO] [stderr] 149 | fn add_object(&self, value: &Value, buf: &mut Writer) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:276:33 [INFO] [stderr] | [INFO] [stderr] 276 | fn add_len(&self, buf: &mut Writer, len: usize) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:283:36 [INFO] [stderr] | [INFO] [stderr] 283 | fn add_string(&self, buf: &mut Writer, value: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:288:37 [INFO] [stderr] | [INFO] [stderr] 288 | fn add_cstring(&self, buf: &mut Writer, value: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:59:34 [INFO] [stderr] | [INFO] [stderr] 59 | fn source(&self) -> Option<&(error::Error + 'static)> { None } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static` [INFO] [stderr] [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/deser.rs:112:38 [INFO] [stderr] | [INFO] [stderr] 112 | fn read_type(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:116:37 [INFO] [stderr] | [INFO] [stderr] 116 | fn read_len(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:120:40 [INFO] [stderr] | [INFO] [stderr] 120 | fn read_string(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/deser.rs:139:40 [INFO] [stderr] | [INFO] [stderr] 139 | fn read_object(&self, reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:144:53 [INFO] [stderr] | [INFO] [stderr] 144 | pub fn write(&self, value: &Value, writer: &mut Writer) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:149:51 [INFO] [stderr] | [INFO] [stderr] 149 | fn add_object(&self, value: &Value, buf: &mut Writer) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:276:33 [INFO] [stderr] | [INFO] [stderr] 276 | fn add_len(&self, buf: &mut Writer, len: usize) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:283:36 [INFO] [stderr] | [INFO] [stderr] 283 | fn add_string(&self, buf: &mut Writer, value: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ser.rs:288:37 [INFO] [stderr] | [INFO] [stderr] 288 | fn add_cstring(&self, buf: &mut Writer, value: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Writer` [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::future::lazy` [INFO] [stderr] --> src/stream.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | use futures::future::lazy; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::runtime::Runtime` [INFO] [stderr] --> src/stream.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | use tokio::runtime::Runtime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:59:34 [INFO] [stderr] | [INFO] [stderr] 59 | fn source(&self) -> Option<&(error::Error + 'static)> { None } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SerializerStream` [INFO] [stderr] --> src/stream.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | struct SerializerStream<'v> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/stream.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(max_buf_len: usize, value: &'v Value) -> SerializerStream<'v> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `encode_decode` [INFO] [stderr] --> src/stream.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | fn encode_decode(object: &Value) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/stream.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | core.run(fut); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `"docker" "inspect" "86f454924e2777c85d8eeac8b44f52a4312774b67a29a36b1cdedff4c105f46e"` [INFO] running `"docker" "rm" "-f" "86f454924e2777c85d8eeac8b44f52a4312774b67a29a36b1cdedff4c105f46e"` [INFO] [stdout] 86f454924e2777c85d8eeac8b44f52a4312774b67a29a36b1cdedff4c105f46e