[INFO] crate build_compile 0.2.0 is already in cache
[INFO] extracting crate build_compile 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/build_compile/0.2.0
[INFO] extracting crate build_compile 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/build_compile/0.2.0
[INFO] validating manifest of build_compile-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of build_compile-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing build_compile-0.2.0
[INFO] finished frobbing build_compile-0.2.0
[INFO] frobbed toml for build_compile-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/build_compile/0.2.0/Cargo.toml
[INFO] started frobbing build_compile-0.2.0
[INFO] finished frobbing build_compile-0.2.0
[INFO] frobbed toml for build_compile-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/build_compile/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing build_compile-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/build_compile/0.2.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b23a13a1800c33492580ae3ca5c00f76f7308b5f2eca269b321ce932934d1376
[INFO] running `"docker" "start" "-a" "b23a13a1800c33492580ae3ca5c00f76f7308b5f2eca269b321ce932934d1376"`
[INFO] [stderr]    Compiling build_compile v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filetext.rs:73:51
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn highlight(&self, span: Span, out: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "b23a13a1800c33492580ae3ca5c00f76f7308b5f2eca269b321ce932934d1376"`
[INFO] running `"docker" "rm" "-f" "b23a13a1800c33492580ae3ca5c00f76f7308b5f2eca269b321ce932934d1376"`
[INFO] [stdout] b23a13a1800c33492580ae3ca5c00f76f7308b5f2eca269b321ce932934d1376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/build_compile/0.2.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ab821277dd8014f8738fc6e95df9d2cc607d48a464053e981455f1ecc2367e34
[INFO] running `"docker" "start" "-a" "ab821277dd8014f8738fc6e95df9d2cc607d48a464053e981455f1ecc2367e34"`
[INFO] [stderr]    Compiling build_compile v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filetext.rs:73:51
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn highlight(&self, span: Span, out: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "ab821277dd8014f8738fc6e95df9d2cc607d48a464053e981455f1ecc2367e34"`
[INFO] running `"docker" "rm" "-f" "ab821277dd8014f8738fc6e95df9d2cc607d48a464053e981455f1ecc2367e34"`
[INFO] [stdout] ab821277dd8014f8738fc6e95df9d2cc607d48a464053e981455f1ecc2367e34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/build_compile/0.2.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 700fc9ff6f64f0720e31f41be5b8404b112027a8932900829d012a9daa2271a9
[INFO] running `"docker" "start" "-a" "700fc9ff6f64f0720e31f41be5b8404b112027a8932900829d012a9daa2271a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/build_compile-d7cd5727e45bd604
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests build_compile
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "700fc9ff6f64f0720e31f41be5b8404b112027a8932900829d012a9daa2271a9"`
[INFO] running `"docker" "rm" "-f" "700fc9ff6f64f0720e31f41be5b8404b112027a8932900829d012a9daa2271a9"`
[INFO] [stdout] 700fc9ff6f64f0720e31f41be5b8404b112027a8932900829d012a9daa2271a9