[INFO] crate lz4 1.23.1 is already in cache
[INFO] extracting crate lz4 1.23.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/lz4/1.23.1
[INFO] extracting crate lz4 1.23.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lz4/1.23.1
[INFO] validating manifest of lz4-1.23.1 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 lz4-1.23.1 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 lz4-1.23.1
[INFO] finished frobbing lz4-1.23.1
[INFO] frobbed toml for lz4-1.23.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lz4/1.23.1/Cargo.toml
[INFO] started frobbing lz4-1.23.1
[INFO] finished frobbing lz4-1.23.1
[INFO] frobbed toml for lz4-1.23.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lz4/1.23.1/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lz4-1.23.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lz4/1.23.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 800d7cc24d1ac860f1c4cf71ea7cbd3d692ef586e6597b45dbd6ddf2f0101e3e
[INFO] running `"docker" "start" "-a" "800d7cc24d1ac860f1c4cf71ea7cbd3d692ef586e6597b45dbd6ddf2f0101e3e"`
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling lz4 v1.23.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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/bin/lz4.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[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/bin/lz4.rs:43:35
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `"docker" "inspect" "800d7cc24d1ac860f1c4cf71ea7cbd3d692ef586e6597b45dbd6ddf2f0101e3e"`
[INFO] running `"docker" "rm" "-f" "800d7cc24d1ac860f1c4cf71ea7cbd3d692ef586e6597b45dbd6ddf2f0101e3e"`
[INFO] [stdout] 800d7cc24d1ac860f1c4cf71ea7cbd3d692ef586e6597b45dbd6ddf2f0101e3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lz4/1.23.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8774fa98a854c45b116e3dbdfc8d57184d6fb95332490853cb165133ea6c292e
[INFO] running `"docker" "start" "-a" "8774fa98a854c45b116e3dbdfc8d57184d6fb95332490853cb165133ea6c292e"`
[INFO] [stderr]    Compiling lz4 v1.23.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "8774fa98a854c45b116e3dbdfc8d57184d6fb95332490853cb165133ea6c292e"`
[INFO] running `"docker" "rm" "-f" "8774fa98a854c45b116e3dbdfc8d57184d6fb95332490853cb165133ea6c292e"`
[INFO] [stdout] 8774fa98a854c45b116e3dbdfc8d57184d6fb95332490853cb165133ea6c292e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lz4/1.23.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7aa47b1448e5d8d46af4b68f1307e3c5fc2265c5104d2c143a459d6a07d044bd
[INFO] running `"docker" "start" "-a" "7aa47b1448e5d8d46af4b68f1307e3c5fc2265c5104d2c143a459d6a07d044bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lz4-b27f81506fc736be
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test block::test::test_decompression_with_prefix ... ok
[INFO] [stdout] test decoder::test::test_decoder_send ... ok
[INFO] [stdout] test decoder::test::test_decoder_smoke ... ok
[INFO] [stdout] test decoder::test::test_decoder_smallest ... ok
[INFO] [stdout] test encoder::test::test_encoder_smoke ... ok
[INFO] [stdout] test encoder::test::test_encoder_send ... ok
[INFO] [stdout] test liblz4::test_version_number ... ok
[INFO] [stdout] test decoder::test::test_decoder_empty ... ok
[INFO] [stdout] test encoder::test::test_encoder_random ... ok
[INFO] [stdout] test block::test::test_compression_with_prefix ... ok
[INFO] [stdout] test block::test::test_compression_without_prefix ... ok
[INFO] [stdout] test decoder::test::test_decoder_random ... ok
[INFO] [stdout] test decoder::test::test_retry_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skeptic-409b50d28e3d0df2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] LZ4 version: 10803
[INFO] [stdout] test readme_sect_usage_line_23 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lz4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/block/mod.rs - block (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7aa47b1448e5d8d46af4b68f1307e3c5fc2265c5104d2c143a459d6a07d044bd"`
[INFO] running `"docker" "rm" "-f" "7aa47b1448e5d8d46af4b68f1307e3c5fc2265c5104d2c143a459d6a07d044bd"`
[INFO] [stdout] 7aa47b1448e5d8d46af4b68f1307e3c5fc2265c5104d2c143a459d6a07d044bd