[INFO] updating cached repository sidewinder/rust-polymorph-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sidewinder/rust-polymorph-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sidewinder/rust-polymorph-test" "work/ex/beta-1.37-6/sources/1.36.0/gh/sidewinder/rust-polymorph-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sidewinder/rust-polymorph-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sidewinder/rust-polymorph-test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sidewinder/rust-polymorph-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sidewinder/rust-polymorph-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9a2e7398d3d71cfed5903e99aaad4e0f2cdc09a
[INFO] sha for GitHub repo sidewinder/rust-polymorph-test: b9a2e7398d3d71cfed5903e99aaad4e0f2cdc09a
[INFO] validating manifest of sidewinder/rust-polymorph-test 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 sidewinder/rust-polymorph-test 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 sidewinder/rust-polymorph-test
[INFO] finished frobbing sidewinder/rust-polymorph-test
[INFO] frobbed toml for sidewinder/rust-polymorph-test written to work/ex/beta-1.37-6/sources/1.36.0/gh/sidewinder/rust-polymorph-test/Cargo.toml
[INFO] started frobbing sidewinder/rust-polymorph-test
[INFO] finished frobbing sidewinder/rust-polymorph-test
[INFO] frobbed toml for sidewinder/rust-polymorph-test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sidewinder/rust-polymorph-test/Cargo.toml
[INFO] crate sidewinder/rust-polymorph-test already has a lockfile, it will not be regenerated
[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 sidewinder/rust-polymorph-test against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sidewinder/rust-polymorph-test:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 025816eda67126a44bc421c85b911a10e8e339c4f62289a2ef5509430c866596
[INFO] running `"docker" "start" "-a" "025816eda67126a44bc421c85b911a10e8e339c4f62289a2ef5509430c866596"`
[INFO] [stderr]    Compiling polymorph_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `shear`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn shear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shear`
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn shear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "025816eda67126a44bc421c85b911a10e8e339c4f62289a2ef5509430c866596"`
[INFO] running `"docker" "rm" "-f" "025816eda67126a44bc421c85b911a10e8e339c4f62289a2ef5509430c866596"`
[INFO] [stdout] 025816eda67126a44bc421c85b911a10e8e339c4f62289a2ef5509430c866596
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sidewinder/rust-polymorph-test:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2e1b0db2060eeea2b4a23dcbf24c208c977564e2e9a8b250b423e974a8e07ec6
[INFO] running `"docker" "start" "-a" "2e1b0db2060eeea2b4a23dcbf24c208c977564e2e9a8b250b423e974a8e07ec6"`
[INFO] [stderr]    Compiling polymorph_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `shear`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn shear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shear`
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn shear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "2e1b0db2060eeea2b4a23dcbf24c208c977564e2e9a8b250b423e974a8e07ec6"`
[INFO] running `"docker" "rm" "-f" "2e1b0db2060eeea2b4a23dcbf24c208c977564e2e9a8b250b423e974a8e07ec6"`
[INFO] [stdout] 2e1b0db2060eeea2b4a23dcbf24c208c977564e2e9a8b250b423e974a8e07ec6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sidewinder/rust-polymorph-test:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d6fe192c35564091c540e5d519e1758dcf0184fa0bc26b45df72c41b7925b5ee
[INFO] running `"docker" "start" "-a" "d6fe192c35564091c540e5d519e1758dcf0184fa0bc26b45df72c41b7925b5ee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polymorph_test-1e8c201b4b46b4da
[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" "d6fe192c35564091c540e5d519e1758dcf0184fa0bc26b45df72c41b7925b5ee"`
[INFO] running `"docker" "rm" "-f" "d6fe192c35564091c540e5d519e1758dcf0184fa0bc26b45df72c41b7925b5ee"`
[INFO] [stdout] d6fe192c35564091c540e5d519e1758dcf0184fa0bc26b45df72c41b7925b5ee