[INFO] updating cached repository vi/dnscache
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vi/dnscache
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vi/dnscache" "work/ex/beta-1.38-1/sources/1.37.0/gh/vi/dnscache"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vi/dnscache'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vi/dnscache" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/dnscache"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/dnscache'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a8461b24bc03f4194d30da53629b3e3de2e7232
[INFO] sha for GitHub repo vi/dnscache: 1a8461b24bc03f4194d30da53629b3e3de2e7232
[INFO] validating manifest of vi/dnscache 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 vi/dnscache 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 vi/dnscache
[INFO] finished frobbing vi/dnscache
[INFO] frobbed toml for vi/dnscache written to work/ex/beta-1.38-1/sources/1.37.0/gh/vi/dnscache/Cargo.toml
[INFO] started frobbing vi/dnscache
[INFO] finished frobbing vi/dnscache
[INFO] frobbed toml for vi/dnscache written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/dnscache/Cargo.toml
[INFO] crate vi/dnscache already has a lockfile, it will not be regenerated
[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 vi/dnscache 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vi/dnscache:/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] d846e1559a55983824e6cf88b5918b14fc78093d7fce94816d16e22d6ef4b5be
[INFO] running `"docker" "start" "-a" "d846e1559a55983824e6cf88b5918b14fc78093d7fce94816d16e22d6ef4b5be"`
[INFO] [stderr]    Compiling integer-encoding v1.0.5
[INFO] [stderr]    Compiling compactmap v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling snap v0.2.4
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling dns-parser v0.7.1
[INFO] [stderr]    Compiling serde_bytes v0.10.4
[INFO] [stderr]    Compiling serde_cbor v0.8.2
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling println_logger v0.2.0
[INFO] [stderr]    Compiling rusty-leveldb v0.2.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling structopt-derive v0.2.7
[INFO] [stderr]    Compiling structopt v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling dnscache v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:92:39
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type BoxResult<T> = Result<T, Box<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: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.11s
[INFO] running `"docker" "inspect" "d846e1559a55983824e6cf88b5918b14fc78093d7fce94816d16e22d6ef4b5be"`
[INFO] running `"docker" "rm" "-f" "d846e1559a55983824e6cf88b5918b14fc78093d7fce94816d16e22d6ef4b5be"`
[INFO] [stdout] d846e1559a55983824e6cf88b5918b14fc78093d7fce94816d16e22d6ef4b5be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vi/dnscache:/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] 3a65582bdef4940dcc6fe6a3cff13c60b0c254d63d3724816d241934f41de0e2
[INFO] running `"docker" "start" "-a" "3a65582bdef4940dcc6fe6a3cff13c60b0c254d63d3724816d241934f41de0e2"`
[INFO] [stderr]    Compiling dnscache v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:92:39
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type BoxResult<T> = Result<T, Box<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: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "3a65582bdef4940dcc6fe6a3cff13c60b0c254d63d3724816d241934f41de0e2"`
[INFO] running `"docker" "rm" "-f" "3a65582bdef4940dcc6fe6a3cff13c60b0c254d63d3724816d241934f41de0e2"`
[INFO] [stdout] 3a65582bdef4940dcc6fe6a3cff13c60b0c254d63d3724816d241934f41de0e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vi/dnscache:/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] 8740ab0943584cf830e9c60a7b76b8b92a133f55a3ea8c8d767d6b48f5c5f4e4
[INFO] running `"docker" "start" "-a" "8740ab0943584cf830e9c60a7b76b8b92a133f55a3ea8c8d767d6b48f5c5f4e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dnscache-17d832b12bb3d907
[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]      Running /opt/crater/target/debug/deps/dnscache-a93e9f3e2f66bd71
[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 dnscache
[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" "8740ab0943584cf830e9c60a7b76b8b92a133f55a3ea8c8d767d6b48f5c5f4e4"`
[INFO] running `"docker" "rm" "-f" "8740ab0943584cf830e9c60a7b76b8b92a133f55a3ea8c8d767d6b48f5c5f4e4"`
[INFO] [stdout] 8740ab0943584cf830e9c60a7b76b8b92a133f55a3ea8c8d767d6b48f5c5f4e4