Dec 14 02:13:00.655 INFO testing atsiporu/threadedbufreader against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 02:13:00.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 02:13:00.924 INFO [stdout] 241a3e2cdd0c66b7150095acb1fb11f84c4670b18c8cdfbd7278052531af137b
Dec 14 02:13:00.931 INFO running `"docker" "start" "-a" "241a3e2cdd0c66b7150095acb1fb11f84c4670b18c8cdfbd7278052531af137b"`
Dec 14 02:13:02.107 INFO [stderr] usermod: no changes
Dec 14 02:13:02.149 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 14 02:13:02.149 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 14 02:13:02.149 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 14 02:13:02.149 INFO [stderr] files will be included as a binary target:
Dec 14 02:13:02.149 INFO [stderr] 
Dec 14 02:13:02.149 INFO [stderr] * /source/src/main.rs
Dec 14 02:13:02.149 INFO [stderr] 
Dec 14 02:13:02.149 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 14 02:13:02.149 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 14 02:13:02.149 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 14 02:13:02.149 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 14 02:13:02.149 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 14 02:13:02.149 INFO [stderr] 
Dec 14 02:13:02.149 INFO [stderr] For more information on this warning you can consult
Dec 14 02:13:02.149 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 14 02:13:02.149 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `main`,
Dec 14 02:13:02.149 INFO [stderr] please set bin.path in Cargo.toml
Dec 14 02:13:02.152 INFO [stderr]    Compiling tbr v0.1.0 (/source)
Dec 14 02:13:02.527 INFO [stderr] error: conflicting implementations of trait `std::convert::Into<&mut _>` for type `&Reader<_>`: (E0119)
Dec 14 02:13:02.527 INFO [stderr]    --> src/lib.rs:116:1
Dec 14 02:13:02.527 INFO [stderr]     |
Dec 14 02:13:02.527 INFO [stderr] 116 | impl<'a, R: Read> Into<&'a mut R> for &'a Reader<R>
Dec 14 02:13:02.527 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:13:02.527 INFO [stderr]     |
Dec 14 02:13:02.527 INFO [stderr]     = note: #[deny(incoherent_fundamental_impls)] on by default
Dec 14 02:13:02.527 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 02:13:02.527 INFO [stderr]     = note: for more information, see issue #46205 <https://github.com/rust-lang/rust/issues/46205>
Dec 14 02:13:02.527 INFO [stderr]     = note: conflicting implementation in crate `core`:
Dec 14 02:13:02.527 INFO [stderr]             - impl<T, U> std::convert::Into<U> for T
Dec 14 02:13:02.527 INFO [stderr]               where U: std::convert::From<T>;
Dec 14 02:13:02.527 INFO [stderr]     = note: downstream crates may implement trait `std::convert::From<&Reader<_>>` for type `&mut _`
Dec 14 02:13:02.527 INFO [stderr] 
Dec 14 02:13:02.528 INFO [stderr] error: aborting due to previous error
Dec 14 02:13:02.528 INFO [stderr] 
Dec 14 02:13:02.535 INFO [stderr] error: Could not compile `tbr`.
Dec 14 02:13:02.535 INFO [stderr] 
Dec 14 02:13:02.535 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 02:13:02.537 INFO [stderr] su: No module specific data is present
Dec 14 02:13:02.860 INFO running `"docker" "inspect" "241a3e2cdd0c66b7150095acb1fb11f84c4670b18c8cdfbd7278052531af137b"`
Dec 14 02:13:02.973 INFO running `"docker" "rm" "-f" "241a3e2cdd0c66b7150095acb1fb11f84c4670b18c8cdfbd7278052531af137b"`
Dec 14 02:13:03.068 INFO [stdout] 241a3e2cdd0c66b7150095acb1fb11f84c4670b18c8cdfbd7278052531af137b