[INFO] crate palindrome 0.1.1 is already in cache
[INFO] extracting crate palindrome 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/palindrome/0.1.1
[INFO] extracting crate palindrome 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/palindrome/0.1.1
[INFO] validating manifest of palindrome-0.1.1 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 palindrome-0.1.1 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 palindrome-0.1.1
[INFO] finished frobbing palindrome-0.1.1
[INFO] frobbed toml for palindrome-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/palindrome/0.1.1/Cargo.toml
[INFO] started frobbing palindrome-0.1.1
[INFO] finished frobbing palindrome-0.1.1
[INFO] frobbed toml for palindrome-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/palindrome/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 palindrome-0.1.1 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/palindrome/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] de6f58bbb75cce927181ab99fd3829156ff1455527c2b634da94ba6080299f7d
[INFO] running `"docker" "start" "-a" "de6f58bbb75cce927181ab99fd3829156ff1455527c2b634da94ba6080299f7d"`
[INFO] [stderr]    Compiling palindrome v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "de6f58bbb75cce927181ab99fd3829156ff1455527c2b634da94ba6080299f7d"`
[INFO] running `"docker" "rm" "-f" "de6f58bbb75cce927181ab99fd3829156ff1455527c2b634da94ba6080299f7d"`
[INFO] [stdout] de6f58bbb75cce927181ab99fd3829156ff1455527c2b634da94ba6080299f7d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/palindrome/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8443502afe5fccef6719665ffaf9136aea0db15a8df2958db86f259d27f794b6
[INFO] running `"docker" "start" "-a" "8443502afe5fccef6719665ffaf9136aea0db15a8df2958db86f259d27f794b6"`
[INFO] [stderr]    Compiling palindrome v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "8443502afe5fccef6719665ffaf9136aea0db15a8df2958db86f259d27f794b6"`
[INFO] running `"docker" "rm" "-f" "8443502afe5fccef6719665ffaf9136aea0db15a8df2958db86f259d27f794b6"`
[INFO] [stdout] 8443502afe5fccef6719665ffaf9136aea0db15a8df2958db86f259d27f794b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/palindrome/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 09d3974e1f4ce7a52216a83e0bf15001e4e395a41624484ee6a1ae67f094e9a2
[INFO] running `"docker" "start" "-a" "09d3974e1f4ce7a52216a83e0bf15001e4e395a41624484ee6a1ae67f094e9a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/palindrome-ece687c95b31e6af
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-bea455c33a31f02e
[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 2 tests
[INFO] [stdout] test test_single_words ... ok
[INFO] [stdout] test test_full_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests palindrome
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - is_palindrome (line 38) ... ok
[INFO] [stdout] test src/lib.rs - contains_palindrome (line 60) ... ok
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] test src/lib.rs - contains_palindrome (line 66) ... ok
[INFO] [stdout] test src/lib.rs - is_palindrome (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "09d3974e1f4ce7a52216a83e0bf15001e4e395a41624484ee6a1ae67f094e9a2"`
[INFO] running `"docker" "rm" "-f" "09d3974e1f4ce7a52216a83e0bf15001e4e395a41624484ee6a1ae67f094e9a2"`
[INFO] [stdout] 09d3974e1f4ce7a52216a83e0bf15001e4e395a41624484ee6a1ae67f094e9a2