[INFO] updating cached repository casey/uniblocks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/casey/uniblocks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/casey/uniblocks" "work/ex/beta-1.38-1/sources/1.37.0/gh/casey/uniblocks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/casey/uniblocks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/casey/uniblocks" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/uniblocks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/uniblocks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9102f82cd5523737bb1f47f3caa4b99df5f1294c
[INFO] sha for GitHub repo casey/uniblocks: 9102f82cd5523737bb1f47f3caa4b99df5f1294c
[INFO] validating manifest of casey/uniblocks 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 casey/uniblocks 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 casey/uniblocks
[INFO] finished frobbing casey/uniblocks
[INFO] frobbed toml for casey/uniblocks written to work/ex/beta-1.38-1/sources/1.37.0/gh/casey/uniblocks/Cargo.toml
[INFO] started frobbing casey/uniblocks
[INFO] finished frobbing casey/uniblocks
[INFO] frobbed toml for casey/uniblocks written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/uniblocks/Cargo.toml
[INFO] crate casey/uniblocks 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing casey/uniblocks 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/uniblocks:/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] f6eb83f34195009232c584696b414242f0a14f798fa51326e8a3d15fdb03ce74
[INFO] running `"docker" "start" "-a" "f6eb83f34195009232c584696b414242f0a14f798fa51326e8a3d15fdb03ce74"`
[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 1.01s
[INFO] running `"docker" "inspect" "f6eb83f34195009232c584696b414242f0a14f798fa51326e8a3d15fdb03ce74"`
[INFO] running `"docker" "rm" "-f" "f6eb83f34195009232c584696b414242f0a14f798fa51326e8a3d15fdb03ce74"`
[INFO] [stdout] f6eb83f34195009232c584696b414242f0a14f798fa51326e8a3d15fdb03ce74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/uniblocks:/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] 65b088b7e8d4e1a4704ef9216fe0eac7635e3ffbba17f3d951a77f76c6557302
[INFO] running `"docker" "start" "-a" "65b088b7e8d4e1a4704ef9216fe0eac7635e3ffbba17f3d951a77f76c6557302"`
[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 0.91s
[INFO] running `"docker" "inspect" "65b088b7e8d4e1a4704ef9216fe0eac7635e3ffbba17f3d951a77f76c6557302"`
[INFO] running `"docker" "rm" "-f" "65b088b7e8d4e1a4704ef9216fe0eac7635e3ffbba17f3d951a77f76c6557302"`
[INFO] [stdout] 65b088b7e8d4e1a4704ef9216fe0eac7635e3ffbba17f3d951a77f76c6557302
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/casey/uniblocks:/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] 2119db2894fc8fb7d95a71e1ea3aab6780a9a72da40901dd37b78180b890f012
[INFO] running `"docker" "start" "-a" "2119db2894fc8fb7d95a71e1ea3aab6780a9a72da40901dd37b78180b890f012"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[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" "2119db2894fc8fb7d95a71e1ea3aab6780a9a72da40901dd37b78180b890f012"`
[INFO] running `"docker" "rm" "-f" "2119db2894fc8fb7d95a71e1ea3aab6780a9a72da40901dd37b78180b890f012"`
[INFO] [stdout] 2119db2894fc8fb7d95a71e1ea3aab6780a9a72da40901dd37b78180b890f012