[INFO] crate xor-utils 0.6.0 is already in cache
[INFO] extracting crate xor-utils 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/xor-utils/0.6.0
[INFO] extracting crate xor-utils 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xor-utils/0.6.0
[INFO] validating manifest of xor-utils-0.6.0 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 xor-utils-0.6.0 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 xor-utils-0.6.0
[INFO] finished frobbing xor-utils-0.6.0
[INFO] frobbed toml for xor-utils-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/xor-utils/0.6.0/Cargo.toml
[INFO] started frobbing xor-utils-0.6.0
[INFO] finished frobbing xor-utils-0.6.0
[INFO] frobbed toml for xor-utils-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xor-utils/0.6.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing xor-utils-0.6.0 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/xor-utils/0.6.0:/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] 8a5fc588d26fdb43d8579c0097e84633513c6605f0545ba7574506969196db43
[INFO] running `"docker" "start" "-a" "8a5fc588d26fdb43d8579c0097e84633513c6605f0545ba7574506969196db43"`
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling xor-utils v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn xor(reader: &mut Read, key_bytes : &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn 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/lib.rs:66:14
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl Xor for Read {
[INFO] [stderr]    |              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "8a5fc588d26fdb43d8579c0097e84633513c6605f0545ba7574506969196db43"`
[INFO] running `"docker" "rm" "-f" "8a5fc588d26fdb43d8579c0097e84633513c6605f0545ba7574506969196db43"`
[INFO] [stdout] 8a5fc588d26fdb43d8579c0097e84633513c6605f0545ba7574506969196db43
[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/xor-utils/0.6.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc90063e58be1adff8c003d74958ab6b35c26eee82b4eaffc146b400683e43f6
[INFO] running `"docker" "start" "-a" "fc90063e58be1adff8c003d74958ab6b35c26eee82b4eaffc146b400683e43f6"`
[INFO] [stderr]    Compiling xor-utils v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn xor(reader: &mut Read, key_bytes : &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn 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/lib.rs:66:14
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl Xor for Read {
[INFO] [stderr]    |              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:366:27
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let reader : &mut Read = &mut Cursor::new(data);
[INFO] [stderr]     |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:368:33
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let cipher = reader.xor(key);
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 expected reference, found struct `std::vec::Vec`
[INFO] [stderr]     |                                 help: consider borrowing here: `&key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&std::vec::Vec<u8>`
[INFO] [stderr]                found type `std::vec::Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `xor-utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fc90063e58be1adff8c003d74958ab6b35c26eee82b4eaffc146b400683e43f6"`
[INFO] running `"docker" "rm" "-f" "fc90063e58be1adff8c003d74958ab6b35c26eee82b4eaffc146b400683e43f6"`
[INFO] [stdout] fc90063e58be1adff8c003d74958ab6b35c26eee82b4eaffc146b400683e43f6