[INFO] crate iostream 0.1.3 is already in cache
[INFO] extracting crate iostream 0.1.3 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/iostream/0.1.3
[INFO] extracting crate iostream 0.1.3 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/iostream/0.1.3
[INFO] validating manifest of iostream-0.1.3 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iostream-0.1.3 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iostream-0.1.3
[INFO] finished frobbing iostream-0.1.3
[INFO] frobbed toml for iostream-0.1.3 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/iostream/0.1.3/Cargo.toml
[INFO] started frobbing iostream-0.1.3
[INFO] finished frobbing iostream-0.1.3
[INFO] frobbed toml for iostream-0.1.3 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/iostream/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iostream-0.1.3 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/iostream/0.1.3:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 370f0b5821c716f1572c2f7fe5468cfb4517610848e210f3614eb255f1b9f07b
[INFO] running `"docker" "start" "-a" "370f0b5821c716f1572c2f7fe5468cfb4517610848e210f3614eb255f1b9f07b"`
[INFO] [stderr]     Checking iostream v0.1.3 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "370f0b5821c716f1572c2f7fe5468cfb4517610848e210f3614eb255f1b9f07b"`
[INFO] running `"docker" "rm" "-f" "370f0b5821c716f1572c2f7fe5468cfb4517610848e210f3614eb255f1b9f07b"`
[INFO] [stdout] 370f0b5821c716f1572c2f7fe5468cfb4517610848e210f3614eb255f1b9f07b