[INFO] crate rust_cache 0.3.0 is already in cache
[INFO] extracting crate rust_cache 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rust_cache/0.3.0
[INFO] extracting crate rust_cache 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rust_cache/0.3.0
[INFO] validating manifest of rust_cache-0.3.0 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 rust_cache-0.3.0 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/rust_cache/0.3.0/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 rust_cache-0.3.0 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-1/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 94fb0e31e07a0c8c1fcd26318e1412b68868a7069a08bed6274cefb871e18429
[INFO] running `"docker" "start" "-a" "94fb0e31e07a0c8c1fcd26318e1412b68868a7069a08bed6274cefb871e18429"`
[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 0.81s
[INFO] running `"docker" "inspect" "94fb0e31e07a0c8c1fcd26318e1412b68868a7069a08bed6274cefb871e18429"`
[INFO] running `"docker" "rm" "-f" "94fb0e31e07a0c8c1fcd26318e1412b68868a7069a08bed6274cefb871e18429"`
[INFO] [stdout] 94fb0e31e07a0c8c1fcd26318e1412b68868a7069a08bed6274cefb871e18429
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3382aae3871a0f9418e18fb4e28dcce51f93b314480ba9ff43dcd49a672e78b2
[INFO] running `"docker" "start" "-a" "3382aae3871a0f9418e18fb4e28dcce51f93b314480ba9ff43dcd49a672e78b2"`
[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 1.19s
[INFO] running `"docker" "inspect" "3382aae3871a0f9418e18fb4e28dcce51f93b314480ba9ff43dcd49a672e78b2"`
[INFO] running `"docker" "rm" "-f" "3382aae3871a0f9418e18fb4e28dcce51f93b314480ba9ff43dcd49a672e78b2"`
[INFO] [stdout] 3382aae3871a0f9418e18fb4e28dcce51f93b314480ba9ff43dcd49a672e78b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b0e191d2aad439e8f665a9538289e902ca70787d829f4b2639ce5418e40d74b7
[INFO] running `"docker" "start" "-a" "b0e191d2aad439e8f665a9538289e902ca70787d829f4b2639ce5418e40d74b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_cache-611735d6cd4248e3
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test hash_map::test::string_hash_map ... ok
[INFO] [stderr]    Doc-tests rust_cache
[INFO] [stdout] test common::test::null_cache ... ok
[INFO] [stdout] test common::test::cache_entry_string_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "b0e191d2aad439e8f665a9538289e902ca70787d829f4b2639ce5418e40d74b7"`
[INFO] running `"docker" "rm" "-f" "b0e191d2aad439e8f665a9538289e902ca70787d829f4b2639ce5418e40d74b7"`
[INFO] [stdout] b0e191d2aad439e8f665a9538289e902ca70787d829f4b2639ce5418e40d74b7