[INFO] crate writium-cache 0.1.3 is already in cache
[INFO] extracting crate writium-cache 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/writium-cache/0.1.3
[INFO] extracting crate writium-cache 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/writium-cache/0.1.3
[INFO] validating manifest of writium-cache-0.1.3 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 writium-cache-0.1.3 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 writium-cache-0.1.3
[INFO] finished frobbing writium-cache-0.1.3
[INFO] frobbed toml for writium-cache-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/writium-cache/0.1.3/Cargo.toml
[INFO] started frobbing writium-cache-0.1.3
[INFO] finished frobbing writium-cache-0.1.3
[INFO] frobbed toml for writium-cache-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/writium-cache/0.1.3/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 writium-cache-0.1.3 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/writium-cache/0.1.3:/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] cd633a8c252f008e405d3f627514bfe546cd579617175e770aee7184728681e4
[INFO] running `"docker" "start" "-a" "cd633a8c252f008e405d3f627514bfe546cd579617175e770aee7184728681e4"`
[INFO] [stderr]    Compiling data-encoding v1.2.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling serde_qs v0.3.0
[INFO] [stderr]    Compiling writium v0.1.1
[INFO] [stderr]    Compiling writium-cache v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cache.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     src: Box<CacheSource<Value=T>>,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CacheSource<Value=T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.95s
[INFO] running `"docker" "inspect" "cd633a8c252f008e405d3f627514bfe546cd579617175e770aee7184728681e4"`
[INFO] running `"docker" "rm" "-f" "cd633a8c252f008e405d3f627514bfe546cd579617175e770aee7184728681e4"`
[INFO] [stdout] cd633a8c252f008e405d3f627514bfe546cd579617175e770aee7184728681e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/writium-cache/0.1.3:/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] fe88a2341439279b2fa0149693b239ab2fad12c91ab27643dc07130a537955f4
[INFO] running `"docker" "start" "-a" "fe88a2341439279b2fa0149693b239ab2fad12c91ab27643dc07130a537955f4"`
[INFO] [stderr]    Compiling writium-cache v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cache.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     src: Box<CacheSource<Value=T>>,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CacheSource<Value=T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `"docker" "inspect" "fe88a2341439279b2fa0149693b239ab2fad12c91ab27643dc07130a537955f4"`
[INFO] running `"docker" "rm" "-f" "fe88a2341439279b2fa0149693b239ab2fad12c91ab27643dc07130a537955f4"`
[INFO] [stdout] fe88a2341439279b2fa0149693b239ab2fad12c91ab27643dc07130a537955f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/writium-cache/0.1.3:/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"`
[INFO] [stdout] 6b6359c714f808df7dc2181345ea7d4793bb94917439ccba895b54cb29ff265d
[INFO] running `"docker" "start" "-a" "6b6359c714f808df7dc2181345ea7d4793bb94917439ccba895b54cb29ff265d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/writium_cache-85f7601028a42499
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test cache::tests::test_cache ... ok
[INFO] [stdout] test cache::tests::test_cache_failure ... ok
[INFO] [stdout] test cache::tests::test_max_cache_failure ... ok
[INFO] [stdout] test cache::tests::test_max_cache ... ok
[INFO] [stdout] test cache::tests::test_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests writium-cache
[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" "6b6359c714f808df7dc2181345ea7d4793bb94917439ccba895b54cb29ff265d"`
[INFO] running `"docker" "rm" "-f" "6b6359c714f808df7dc2181345ea7d4793bb94917439ccba895b54cb29ff265d"`
[INFO] [stdout] 6b6359c714f808df7dc2181345ea7d4793bb94917439ccba895b54cb29ff265d