[INFO] crate uniblocks 0.0.0 is already in cache
[INFO] extracting crate uniblocks 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0
[INFO] extracting crate uniblocks 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0
[INFO] validating manifest of uniblocks-0.0.0 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 uniblocks-0.0.0 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 uniblocks-0.0.0
[INFO] finished frobbing uniblocks-0.0.0
[INFO] frobbed toml for uniblocks-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0/Cargo.toml
[INFO] started frobbing uniblocks-0.0.0
[INFO] finished frobbing uniblocks-0.0.0
[INFO] frobbed toml for uniblocks-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0/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 uniblocks-0.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c598ef188279edabd1b6cf3e9ca0a736e54563ee7f3a67de2683962971db6841
[INFO] running `"docker" "start" "-a" "c598ef188279edabd1b6cf3e9ca0a736e54563ee7f3a67de2683962971db6841"`
[INFO] [stderr]    Compiling uniblocks v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "c598ef188279edabd1b6cf3e9ca0a736e54563ee7f3a67de2683962971db6841"`
[INFO] running `"docker" "rm" "-f" "c598ef188279edabd1b6cf3e9ca0a736e54563ee7f3a67de2683962971db6841"`
[INFO] [stdout] c598ef188279edabd1b6cf3e9ca0a736e54563ee7f3a67de2683962971db6841
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1d4d1cc3251aa9f3f047ed1653963cc29fb4864b0aee3dc08040c3dd392d162d
[INFO] running `"docker" "start" "-a" "1d4d1cc3251aa9f3f047ed1653963cc29fb4864b0aee3dc08040c3dd392d162d"`
[INFO] [stderr]    Compiling uniblocks v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "1d4d1cc3251aa9f3f047ed1653963cc29fb4864b0aee3dc08040c3dd392d162d"`
[INFO] running `"docker" "rm" "-f" "1d4d1cc3251aa9f3f047ed1653963cc29fb4864b0aee3dc08040c3dd392d162d"`
[INFO] [stdout] 1d4d1cc3251aa9f3f047ed1653963cc29fb4864b0aee3dc08040c3dd392d162d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6f1a6580c799275592635bb09894bd8735d72ae6b7609f410d483fac1f56f173
[INFO] running `"docker" "start" "-a" "6f1a6580c799275592635bb09894bd8735d72ae6b7609f410d483fac1f56f173"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/uniblocks-8d3d92733cc5af87
[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" "6f1a6580c799275592635bb09894bd8735d72ae6b7609f410d483fac1f56f173"`
[INFO] running `"docker" "rm" "-f" "6f1a6580c799275592635bb09894bd8735d72ae6b7609f410d483fac1f56f173"`
[INFO] [stdout] 6f1a6580c799275592635bb09894bd8735d72ae6b7609f410d483fac1f56f173