[INFO] updating cached repository vangroan/rust-linkedlist
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vangroan/rust-linkedlist
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vangroan/rust-linkedlist" "work/ex/beta-1.38-1/sources/1.37.0/gh/vangroan/rust-linkedlist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vangroan/rust-linkedlist'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vangroan/rust-linkedlist" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vangroan/rust-linkedlist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vangroan/rust-linkedlist'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b812b5b04f2f062d9ddf7549e82da9d098511b4e
[INFO] sha for GitHub repo vangroan/rust-linkedlist: b812b5b04f2f062d9ddf7549e82da9d098511b4e
[INFO] validating manifest of vangroan/rust-linkedlist 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 vangroan/rust-linkedlist 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 vangroan/rust-linkedlist
[INFO] finished frobbing vangroan/rust-linkedlist
[INFO] frobbed toml for vangroan/rust-linkedlist written to work/ex/beta-1.38-1/sources/1.37.0/gh/vangroan/rust-linkedlist/Cargo.toml
[INFO] started frobbing vangroan/rust-linkedlist
[INFO] finished frobbing vangroan/rust-linkedlist
[INFO] frobbed toml for vangroan/rust-linkedlist written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vangroan/rust-linkedlist/Cargo.toml
[INFO] crate vangroan/rust-linkedlist 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 vangroan/rust-linkedlist 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-4/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/vangroan/rust-linkedlist:/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] 9893873a9a4c08615e92e91ffe4dccd849b296a810c9c58c8b0f514a537e2037
[INFO] running `"docker" "start" "-a" "9893873a9a4c08615e92e91ffe4dccd849b296a810c9c58c8b0f514a537e2037"`
[INFO] [stderr]    Compiling linked v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "9893873a9a4c08615e92e91ffe4dccd849b296a810c9c58c8b0f514a537e2037"`
[INFO] running `"docker" "rm" "-f" "9893873a9a4c08615e92e91ffe4dccd849b296a810c9c58c8b0f514a537e2037"`
[INFO] [stdout] 9893873a9a4c08615e92e91ffe4dccd849b296a810c9c58c8b0f514a537e2037
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/vangroan/rust-linkedlist:/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] 497424a6d1f9479a54631b2f6cf536ec9b3caa7865a681c557448e77c23a1d5e
[INFO] running `"docker" "start" "-a" "497424a6d1f9479a54631b2f6cf536ec9b3caa7865a681c557448e77c23a1d5e"`
[INFO] [stderr]    Compiling linked v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "497424a6d1f9479a54631b2f6cf536ec9b3caa7865a681c557448e77c23a1d5e"`
[INFO] running `"docker" "rm" "-f" "497424a6d1f9479a54631b2f6cf536ec9b3caa7865a681c557448e77c23a1d5e"`
[INFO] [stdout] 497424a6d1f9479a54631b2f6cf536ec9b3caa7865a681c557448e77c23a1d5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/vangroan/rust-linkedlist:/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] 59115481cfd2ae6ecdf24725d35c2370539217ca5716b30db7737a931c0b1c73
[INFO] running `"docker" "start" "-a" "59115481cfd2ae6ecdf24725d35c2370539217ca5716b30db7737a931c0b1c73"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linked-a8356da6e3cbae9d
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linked
[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" "59115481cfd2ae6ecdf24725d35c2370539217ca5716b30db7737a931c0b1c73"`
[INFO] running `"docker" "rm" "-f" "59115481cfd2ae6ecdf24725d35c2370539217ca5716b30db7737a931c0b1c73"`
[INFO] [stdout] 59115481cfd2ae6ecdf24725d35c2370539217ca5716b30db7737a931c0b1c73