[INFO] fetching crate io-providers 0.2.0-beta.3...
[INFO] extracting crate io-providers 0.2.0-beta.3 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/io-providers/0.2.0-beta.3
[INFO] extracting crate io-providers 0.2.0-beta.3 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/io-providers/0.2.0-beta.3
[INFO] validating manifest of io-providers-0.2.0-beta.3 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of io-providers-0.2.0-beta.3 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing io-providers-0.2.0-beta.3
[INFO] finished frobbing io-providers-0.2.0-beta.3
[INFO] frobbed toml for io-providers-0.2.0-beta.3 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/io-providers/0.2.0-beta.3/Cargo.toml
[INFO] started frobbing io-providers-0.2.0-beta.3
[INFO] finished frobbing io-providers-0.2.0-beta.3
[INFO] frobbed toml for io-providers-0.2.0-beta.3 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/io-providers/0.2.0-beta.3/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking io-providers-0.2.0-beta.3 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/io-providers/0.2.0-beta.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 845548fb840e4e56929be654e89d44ef502f96b585921efe89ac64490bc9be1e
[INFO] running `"docker" "start" "-a" "845548fb840e4e56929be654e89d44ef502f96b585921efe89ac64490bc9be1e"`
[INFO] [stderr]     Checking io-providers v0.2.0-beta.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/native.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn input(&mut self) -> &mut io::Read {
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/std_streams/native.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn output(&mut self) -> &mut io::Write {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/native.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn error(&mut self) -> &mut io::Write {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/simulated.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn input(&mut self) -> &mut Read {
[INFO] [stderr]    |                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/simulated.rs:97:34
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn output(&mut self) -> &mut Write {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_streams/simulated.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn error(&mut self) -> &mut Write {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/mod.rs:44:33
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn input(&mut self) -> &mut io::Read;
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/mod.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn output(&mut self) -> &mut io::Write;
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/mod.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn error(&mut self) -> &mut io::Write;
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/native.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn input(&mut self) -> &mut io::Read {
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/std_streams/native.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn output(&mut self) -> &mut io::Write {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/native.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn error(&mut self) -> &mut io::Write {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/simulated.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn input(&mut self) -> &mut Read {
[INFO] [stderr]    |                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/simulated.rs:97:34
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn output(&mut self) -> &mut Write {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_streams/simulated.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn error(&mut self) -> &mut Write {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/mod.rs:44:33
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn input(&mut self) -> &mut io::Read;
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/mod.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn output(&mut self) -> &mut io::Write;
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_streams/mod.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn error(&mut self) -> &mut io::Write;
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "845548fb840e4e56929be654e89d44ef502f96b585921efe89ac64490bc9be1e"`
[INFO] running `"docker" "rm" "-f" "845548fb840e4e56929be654e89d44ef502f96b585921efe89ac64490bc9be1e"`
[INFO] [stdout] 845548fb840e4e56929be654e89d44ef502f96b585921efe89ac64490bc9be1e