[INFO] fetching crate iostream 0.1.3...
[INFO] checking iostream-0.1.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate iostream 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iostream 0.1.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iostream 0.1.3
[INFO] finished tweaking crates.io crate iostream 0.1.3
[INFO] tweaked toml for crates.io crate iostream 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 353de810b6c312401dc26a557e44c4531c7ddf3489029a46018e3494d1a7aa75
[INFO] running `"docker" "start" "-a" "353de810b6c312401dc26a557e44c4531c7ddf3489029a46018e3494d1a7aa75"`
[INFO] [stderr]     Checking iostream v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/io/stream_rw/stream_reader.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub base_stream: &'a mut Stream,
[INFO] [stderr]   |                              ^^^^^^ help: use `dyn`: `dyn Stream`
[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/io/stream_rw/stream_reader.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn from(stream: &'a mut Stream) -> Result<StreamReader<'a>, String> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_big_endian(stream: &'a mut Stream) -> Result<StreamReader<'a>, String> {
[INFO] [stderr]    |                                            ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/io/stream_rw/stream_writer.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub base_stream: &'a mut Stream,
[INFO] [stderr]   |                              ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from(stream: &'a mut Stream) -> Result<StreamWriter<'a>, String> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_big_endian(stream: &'a mut Stream) -> Result<StreamWriter<'a>, String> {
[INFO] [stderr]    |                                            ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/mod.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn copy_to(&mut self, target: &mut Stream) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/io/stream_rw/stream_reader.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub base_stream: &'a mut Stream,
[INFO] [stderr]   |                              ^^^^^^ help: use `dyn`: `dyn Stream`
[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/io/stream_rw/stream_reader.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn from(stream: &'a mut Stream) -> Result<StreamReader<'a>, String> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_big_endian(stream: &'a mut Stream) -> Result<StreamReader<'a>, String> {
[INFO] [stderr]    |                                            ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/io/stream_rw/stream_writer.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub base_stream: &'a mut Stream,
[INFO] [stderr]   |                              ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from(stream: &'a mut Stream) -> Result<StreamWriter<'a>, String> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_big_endian(stream: &'a mut Stream) -> Result<StreamWriter<'a>, String> {
[INFO] [stderr]    |                                            ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/mod.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn copy_to(&mut self, target: &mut Stream) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.err_type.description()
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.err_type.description()
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "353de810b6c312401dc26a557e44c4531c7ddf3489029a46018e3494d1a7aa75"`
[INFO] running `"docker" "rm" "-f" "353de810b6c312401dc26a557e44c4531c7ddf3489029a46018e3494d1a7aa75"`
[INFO] [stdout] 353de810b6c312401dc26a557e44c4531c7ddf3489029a46018e3494d1a7aa75