[INFO] updating cached repository naftulikay/linked-lists.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/naftulikay/linked-lists.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/naftulikay/linked-lists.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/naftulikay/linked-lists.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/naftulikay/linked-lists.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/naftulikay/linked-lists.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/naftulikay/linked-lists.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/naftulikay/linked-lists.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3aca88ebad20b8a8bacad63f89db8058fad3c990
[INFO] sha for GitHub repo naftulikay/linked-lists.rs: 3aca88ebad20b8a8bacad63f89db8058fad3c990
[INFO] validating manifest of naftulikay/linked-lists.rs 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 naftulikay/linked-lists.rs 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 naftulikay/linked-lists.rs
[INFO] finished frobbing naftulikay/linked-lists.rs
[INFO] frobbed toml for naftulikay/linked-lists.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/naftulikay/linked-lists.rs/Cargo.toml
[INFO] started frobbing naftulikay/linked-lists.rs
[INFO] finished frobbing naftulikay/linked-lists.rs
[INFO] frobbed toml for naftulikay/linked-lists.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/naftulikay/linked-lists.rs/Cargo.toml
[INFO] crate naftulikay/linked-lists.rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing naftulikay/linked-lists.rs 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/naftulikay/linked-lists.rs:/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] 2ed71caa15493d0d70fc296fdc12520623a14a48be8aa6d8e40e2218a71329bd
[INFO] running `"docker" "start" "-a" "2ed71caa15493d0d70fc296fdc12520623a14a48be8aa6d8e40e2218a71329bd"`
[INFO] [stderr]    Compiling linked-lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "2ed71caa15493d0d70fc296fdc12520623a14a48be8aa6d8e40e2218a71329bd"`
[INFO] running `"docker" "rm" "-f" "2ed71caa15493d0d70fc296fdc12520623a14a48be8aa6d8e40e2218a71329bd"`
[INFO] [stdout] 2ed71caa15493d0d70fc296fdc12520623a14a48be8aa6d8e40e2218a71329bd
[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/naftulikay/linked-lists.rs:/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] ae083df9814880eac075bc8f176822f75a0f3e45d0ffeabb5f7856a64a3b5acf
[INFO] running `"docker" "start" "-a" "ae083df9814880eac075bc8f176822f75a0f3e45d0ffeabb5f7856a64a3b5acf"`
[INFO] [stderr]    Compiling linked-lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "ae083df9814880eac075bc8f176822f75a0f3e45d0ffeabb5f7856a64a3b5acf"`
[INFO] running `"docker" "rm" "-f" "ae083df9814880eac075bc8f176822f75a0f3e45d0ffeabb5f7856a64a3b5acf"`
[INFO] [stdout] ae083df9814880eac075bc8f176822f75a0f3e45d0ffeabb5f7856a64a3b5acf
[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/naftulikay/linked-lists.rs:/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] 00adb8fb7d6941a47548b3b1f7db668277c40ab6182acef0d9d3ae28f7730ecb
[INFO] running `"docker" "start" "-a" "00adb8fb7d6941a47548b3b1f7db668277c40ab6182acef0d9d3ae28f7730ecb"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linked_lists-a460dd4949d6dfc8
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::push_and_pop ... ok
[INFO] [stdout] test first::test::push_and_pop ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linked_lists-e855dd92b2178146
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linked-lists
[INFO] [stdout] test result: ok. 3 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] [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" "00adb8fb7d6941a47548b3b1f7db668277c40ab6182acef0d9d3ae28f7730ecb"`
[INFO] running `"docker" "rm" "-f" "00adb8fb7d6941a47548b3b1f7db668277c40ab6182acef0d9d3ae28f7730ecb"`
[INFO] [stdout] 00adb8fb7d6941a47548b3b1f7db668277c40ab6182acef0d9d3ae28f7730ecb