[INFO] crate lrs 0.1.1 is already in cache
[INFO] extracting crate lrs 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/lrs/0.1.1
[INFO] extracting crate lrs 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lrs/0.1.1
[INFO] validating manifest of lrs-0.1.1 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 lrs-0.1.1 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 lrs-0.1.1
[INFO] finished frobbing lrs-0.1.1
[INFO] frobbed toml for lrs-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lrs/0.1.1/Cargo.toml
[INFO] started frobbing lrs-0.1.1
[INFO] finished frobbing lrs-0.1.1
[INFO] frobbed toml for lrs-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lrs/0.1.1/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 lrs-0.1.1 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/reg/lrs/0.1.1:/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] 2ada0e3b75e870453455409422f964220ee90d7668728f06f1f973550c09c697
[INFO] running `"docker" "start" "-a" "2ada0e3b75e870453455409422f964220ee90d7668728f06f1f973550c09c697"`
[INFO] [stderr]    Compiling lrs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/clause.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Some(t) => {
[INFO] [stderr]    |                  ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "2ada0e3b75e870453455409422f964220ee90d7668728f06f1f973550c09c697"`
[INFO] running `"docker" "rm" "-f" "2ada0e3b75e870453455409422f964220ee90d7668728f06f1f973550c09c697"`
[INFO] [stdout] 2ada0e3b75e870453455409422f964220ee90d7668728f06f1f973550c09c697
[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/reg/lrs/0.1.1:/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] 77444501d4302fa4ff57d93dcf8462deee2b6e683de75a2fb2d580a9b43ed65d
[INFO] running `"docker" "start" "-a" "77444501d4302fa4ff57d93dcf8462deee2b6e683de75a2fb2d580a9b43ed65d"`
[INFO] [stderr]    Compiling lrs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/clause.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Some(t) => {
[INFO] [stderr]    |                  ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "77444501d4302fa4ff57d93dcf8462deee2b6e683de75a2fb2d580a9b43ed65d"`
[INFO] running `"docker" "rm" "-f" "77444501d4302fa4ff57d93dcf8462deee2b6e683de75a2fb2d580a9b43ed65d"`
[INFO] [stdout] 77444501d4302fa4ff57d93dcf8462deee2b6e683de75a2fb2d580a9b43ed65d
[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/reg/lrs/0.1.1:/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] 7924647de73531703db88d9c05466eda65149392228a5eb35c35295451a65a4d
[INFO] running `"docker" "start" "-a" "7924647de73531703db88d9c05466eda65149392228a5eb35c35295451a65a4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lrs-0192ccfbe449adfc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::tests::lrs_term_remove ... ok
[INFO] [stdout] test tests::tests::lrs_term_create ... ok
[INFO] [stdout] test tests::tests::lrs_symbol_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-b04514499e2d52db
[INFO] [stderr]    Doc-tests lrs
[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" "7924647de73531703db88d9c05466eda65149392228a5eb35c35295451a65a4d"`
[INFO] running `"docker" "rm" "-f" "7924647de73531703db88d9c05466eda65149392228a5eb35c35295451a65a4d"`
[INFO] [stdout] 7924647de73531703db88d9c05466eda65149392228a5eb35c35295451a65a4d