[INFO] crate parapet 0.1.1 is already in cache
[INFO] extracting crate parapet 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/parapet/0.1.1
[INFO] extracting crate parapet 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parapet/0.1.1
[INFO] validating manifest of parapet-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of parapet-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing parapet-0.1.1
[INFO] finished frobbing parapet-0.1.1
[INFO] frobbed toml for parapet-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/parapet/0.1.1/Cargo.toml
[INFO] started frobbing parapet-0.1.1
[INFO] finished frobbing parapet-0.1.1
[INFO] frobbed toml for parapet-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parapet/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing parapet-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/parapet/0.1.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d30dbcf196ecb11e820b1ec452b1b83022e3ea1ac096f568a8e6cfb56b2d9ad3
[INFO] running `"docker" "start" "-a" "d30dbcf196ecb11e820b1ec452b1b83022e3ea1ac096f568a8e6cfb56b2d9ad3"`
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling graphsearch v0.6.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling protocol v0.1.11
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<isize>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<usize>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<u64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<u32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<i16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryInto<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u8 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl Integer for u8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i8 as std::convert::TryInto<isize>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Integer for i8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i8 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Integer for i8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i8 as std::convert::TryInto<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Integer for i8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i8 as std::convert::TryInto<i16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Integer for i8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i8 as std::convert::TryInto<i8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Integer for i8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i8 as std::convert::TryFrom<i8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Integer for i8 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryInto<usize>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryInto<u64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryInto<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryInto<u32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryInto<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryFrom<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u16 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Integer for u16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryInto<isize>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryInto<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryInto<i16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryFrom<i16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryFrom<i8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i16 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 | impl Integer for i16 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u32 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | impl Integer for u32 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u32 as std::convert::TryInto<u64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | impl Integer for u32 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u32 as std::convert::TryInto<u32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | impl Integer for u32 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u32 as std::convert::TryFrom<u32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | impl Integer for u32 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u32 as std::convert::TryFrom<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | impl Integer for u32 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u32 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:99:6
[INFO] [stderr]    |
[INFO] [stderr] 99 | impl Integer for u32 { }
[INFO] [stderr]    |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::convert::Infallible`
[INFO] [stderr]               found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryInto<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryFrom<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryFrom<i16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryFrom<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryFrom<i8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i32 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:100:6
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl Integer for i32 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u64 as std::convert::TryInto<u64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl Integer for u64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u64 as std::convert::TryFrom<u64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl Integer for u64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u64 as std::convert::TryFrom<u32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl Integer for u64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u64 as std::convert::TryFrom<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl Integer for u64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<u64 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl Integer for u64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryInto<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<i64>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<i32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<u32>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<i16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<u16>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<i8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<i64 as std::convert::TryFrom<u8>>::Error == std::num::TryFromIntError`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/numerics.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl Integer for i64 { }
[INFO] [stderr]     |      ^^^^^^^ expected enum `std::convert::Infallible`, found struct `std::num::TryFromIntError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::convert::Infallible`
[INFO] [stderr]                found type `std::num::TryFromIntError`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 58 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: Could not compile `protocol`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d30dbcf196ecb11e820b1ec452b1b83022e3ea1ac096f568a8e6cfb56b2d9ad3"`
[INFO] running `"docker" "rm" "-f" "d30dbcf196ecb11e820b1ec452b1b83022e3ea1ac096f568a8e6cfb56b2d9ad3"`
[INFO] [stdout] d30dbcf196ecb11e820b1ec452b1b83022e3ea1ac096f568a8e6cfb56b2d9ad3