[INFO] crate mozversion 0.2.0 is already in cache
[INFO] extracting crate mozversion 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mozversion/0.2.0
[INFO] extracting crate mozversion 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mozversion/0.2.0
[INFO] validating manifest of mozversion-0.2.0 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 mozversion-0.2.0 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 mozversion-0.2.0
[INFO] finished frobbing mozversion-0.2.0
[INFO] frobbed toml for mozversion-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mozversion/0.2.0/Cargo.toml
[INFO] started frobbing mozversion-0.2.0
[INFO] finished frobbing mozversion-0.2.0
[INFO] frobbed toml for mozversion-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mozversion/0.2.0/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 mozversion-0.2.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mozversion/0.2.0:/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] 151c2fc9479f84fbb01f2052190074429598e3428538a0ef00f4623f41d96738
[INFO] running `"docker" "start" "-a" "151c2fc9479f84fbb01f2052190074429598e3428538a0ef00f4623f41d96738"`
[INFO] [stderr]    Compiling rust-ini v0.10.3
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling mozversion v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn 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 1.08s
[INFO] running `"docker" "inspect" "151c2fc9479f84fbb01f2052190074429598e3428538a0ef00f4623f41d96738"`
[INFO] running `"docker" "rm" "-f" "151c2fc9479f84fbb01f2052190074429598e3428538a0ef00f4623f41d96738"`
[INFO] [stdout] 151c2fc9479f84fbb01f2052190074429598e3428538a0ef00f4623f41d96738
[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/mozversion/0.2.0:/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] 95bfc1ab82faa0010fce107009af9b1884f0ebf86ab83913d3276738648a4d17
[INFO] running `"docker" "start" "-a" "95bfc1ab82faa0010fce107009af9b1884f0ebf86ab83913d3276738648a4d17"`
[INFO] [stderr]    Compiling mozversion v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn 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 1.15s
[INFO] running `"docker" "inspect" "95bfc1ab82faa0010fce107009af9b1884f0ebf86ab83913d3276738648a4d17"`
[INFO] running `"docker" "rm" "-f" "95bfc1ab82faa0010fce107009af9b1884f0ebf86ab83913d3276738648a4d17"`
[INFO] [stdout] 95bfc1ab82faa0010fce107009af9b1884f0ebf86ab83913d3276738648a4d17
[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/mozversion/0.2.0:/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] 8a030a8c54938611ddb01fb3ce55d2461ccdaeffe89cd096fe50b02e0a9c22e1
[INFO] running `"docker" "start" "-a" "8a030a8c54938611ddb01fb3ce55d2461ccdaeffe89cd096fe50b02e0a9c22e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mozversion-6fddb3eeebb978b8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_parser ... ok
[INFO] [stdout] test test::test_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mozversion
[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" "8a030a8c54938611ddb01fb3ce55d2461ccdaeffe89cd096fe50b02e0a9c22e1"`
[INFO] running `"docker" "rm" "-f" "8a030a8c54938611ddb01fb3ce55d2461ccdaeffe89cd096fe50b02e0a9c22e1"`
[INFO] [stdout] 8a030a8c54938611ddb01fb3ce55d2461ccdaeffe89cd096fe50b02e0a9c22e1