[INFO] updating cached repository uhyo/tandem-repeat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/uhyo/tandem-repeat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/uhyo/tandem-repeat" "work/ex/beta-1.38-1/sources/1.37.0/gh/uhyo/tandem-repeat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/uhyo/tandem-repeat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/uhyo/tandem-repeat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uhyo/tandem-repeat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uhyo/tandem-repeat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8b54d63ba7b30640e1576f5f48cc4145e19ff2a
[INFO] sha for GitHub repo uhyo/tandem-repeat: a8b54d63ba7b30640e1576f5f48cc4145e19ff2a
[INFO] validating manifest of uhyo/tandem-repeat 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 uhyo/tandem-repeat 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 uhyo/tandem-repeat
[INFO] finished frobbing uhyo/tandem-repeat
[INFO] frobbed toml for uhyo/tandem-repeat written to work/ex/beta-1.38-1/sources/1.37.0/gh/uhyo/tandem-repeat/Cargo.toml
[INFO] started frobbing uhyo/tandem-repeat
[INFO] finished frobbing uhyo/tandem-repeat
[INFO] frobbed toml for uhyo/tandem-repeat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/uhyo/tandem-repeat/Cargo.toml
[INFO] crate uhyo/tandem-repeat 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing uhyo/tandem-repeat 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/uhyo/tandem-repeat:/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] 8120592c8c75b6b72b03a5fcfc22d69c1b2ea14785f5a42430afb86d4668b455
[INFO] running `"docker" "start" "-a" "8120592c8c75b6b72b03a5fcfc22d69c1b2ea14785f5a42430afb86d4668b455"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bencher v0.1.3
[INFO] [stderr]    Compiling tandem-repeat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/algorithm/lcp_divide.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for i in 0..len {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "8120592c8c75b6b72b03a5fcfc22d69c1b2ea14785f5a42430afb86d4668b455"`
[INFO] running `"docker" "rm" "-f" "8120592c8c75b6b72b03a5fcfc22d69c1b2ea14785f5a42430afb86d4668b455"`
[INFO] [stdout] 8120592c8c75b6b72b03a5fcfc22d69c1b2ea14785f5a42430afb86d4668b455
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/uhyo/tandem-repeat:/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] 1f80f4f7752a2053d00346260eafacc3111ce5071e7a052c2341289f3a8af295
[INFO] running `"docker" "start" "-a" "1f80f4f7752a2053d00346260eafacc3111ce5071e7a052c2341289f3a8af295"`
[INFO] [stderr]    Compiling tandem-repeat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/algorithm/lcp_divide.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for i in 0..len {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "1f80f4f7752a2053d00346260eafacc3111ce5071e7a052c2341289f3a8af295"`
[INFO] running `"docker" "rm" "-f" "1f80f4f7752a2053d00346260eafacc3111ce5071e7a052c2341289f3a8af295"`
[INFO] [stdout] 1f80f4f7752a2053d00346260eafacc3111ce5071e7a052c2341289f3a8af295
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/uhyo/tandem-repeat:/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] 0a2d34d2a03fff112d6f3db9ddbe11cbf2324c85e82442ae44fa1384de09fc96
[INFO] running `"docker" "start" "-a" "0a2d34d2a03fff112d6f3db9ddbe11cbf2324c85e82442ae44fa1384de09fc96"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tandem_repeat-ca856a42a3d297d1
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::ultra_naive::test ... ok
[INFO] [stdout] test test::divide::test_left ... ok
[INFO] [stdout] test test::divide::test ... ok
[INFO] [stdout] test test::lcp_divide::test ... ok
[INFO] [stdout] test test::lcp_divide::test_left ... ok
[INFO] [stdout] test test::lcp::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tandem_repeat-03027241627ab3f5
[INFO] [stderr]    Doc-tests tandem-repeat
[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] [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" "0a2d34d2a03fff112d6f3db9ddbe11cbf2324c85e82442ae44fa1384de09fc96"`
[INFO] running `"docker" "rm" "-f" "0a2d34d2a03fff112d6f3db9ddbe11cbf2324c85e82442ae44fa1384de09fc96"`
[INFO] [stdout] 0a2d34d2a03fff112d6f3db9ddbe11cbf2324c85e82442ae44fa1384de09fc96