[INFO] crate rust_cache 0.3.0 is already in cache
[INFO] extracting crate rust_cache 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust_cache/0.3.0
[INFO] extracting crate rust_cache 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_cache/0.3.0
[INFO] validating manifest of rust_cache-0.3.0 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 rust_cache-0.3.0 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 rust_cache-0.3.0
[INFO] finished frobbing rust_cache-0.3.0
[INFO] frobbed toml for rust_cache-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust_cache/0.3.0/Cargo.toml
[INFO] started frobbing rust_cache-0.3.0
[INFO] finished frobbing rust_cache-0.3.0
[INFO] frobbed toml for rust_cache-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_cache/0.3.0/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 rust_cache-0.3.0 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/rust_cache/0.3.0:/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] 9321de7011236785994366f525812ec537b0b0d892ef19a5d88464f8838957a3
[INFO] running `"docker" "start" "-a" "9321de7011236785994366f525812ec537b0b0d892ef19a5d88464f8838957a3"`
[INFO] [stderr]    Compiling rust_cache v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `now`
[INFO] [stderr]  --> src/common.rs:2:42
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::time::{Duration, Tm, Timespec, now};
[INFO] [stderr]   |                                          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hash_map.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 |     CacheSerializationFailure(Box<Any>)
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "9321de7011236785994366f525812ec537b0b0d892ef19a5d88464f8838957a3"`
[INFO] running `"docker" "rm" "-f" "9321de7011236785994366f525812ec537b0b0d892ef19a5d88464f8838957a3"`
[INFO] [stdout] 9321de7011236785994366f525812ec537b0b0d892ef19a5d88464f8838957a3
[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/rust_cache/0.3.0:/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] 8799940fdf043c376a0cdf5862340fc08a51f5a56eac45ebe96c9a4ee55ae2bb
[INFO] running `"docker" "start" "-a" "8799940fdf043c376a0cdf5862340fc08a51f5a56eac45ebe96c9a4ee55ae2bb"`
[INFO] [stderr]    Compiling rust_cache v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `now`
[INFO] [stderr]  --> src/common.rs:2:42
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::time::{Duration, Tm, Timespec, now};
[INFO] [stderr]   |                                          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hash_map.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 |     CacheSerializationFailure(Box<Any>)
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "8799940fdf043c376a0cdf5862340fc08a51f5a56eac45ebe96c9a4ee55ae2bb"`
[INFO] running `"docker" "rm" "-f" "8799940fdf043c376a0cdf5862340fc08a51f5a56eac45ebe96c9a4ee55ae2bb"`
[INFO] [stdout] 8799940fdf043c376a0cdf5862340fc08a51f5a56eac45ebe96c9a4ee55ae2bb
[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/rust_cache/0.3.0:/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"`
[INFO] [stdout] c85176c9b4efe85a2976966191a51aee8e507a6091b709d9e6d1b5dc134b612a
[INFO] running `"docker" "start" "-a" "c85176c9b4efe85a2976966191a51aee8e507a6091b709d9e6d1b5dc134b612a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_cache-f6f407f4e1066817
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test common::test::cache_entry_string_conversion ... ok
[INFO] [stdout] test hash_map::test::string_hash_map ... ok
[INFO] [stdout] test common::test::null_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_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" "c85176c9b4efe85a2976966191a51aee8e507a6091b709d9e6d1b5dc134b612a"`
[INFO] running `"docker" "rm" "-f" "c85176c9b4efe85a2976966191a51aee8e507a6091b709d9e6d1b5dc134b612a"`
[INFO] [stdout] c85176c9b4efe85a2976966191a51aee8e507a6091b709d9e6d1b5dc134b612a