[INFO] updating cached repository pako8128/lists
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pako8128/lists
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pako8128/lists" "work/ex/beta-1.37-6/sources/1.36.0/gh/pako8128/lists"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pako8128/lists'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pako8128/lists" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pako8128/lists"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pako8128/lists'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15748da8eddd87fa9fd0813755efec432127c554
[INFO] sha for GitHub repo pako8128/lists: 15748da8eddd87fa9fd0813755efec432127c554
[INFO] validating manifest of pako8128/lists 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 pako8128/lists 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 pako8128/lists
[INFO] finished frobbing pako8128/lists
[INFO] frobbed toml for pako8128/lists written to work/ex/beta-1.37-6/sources/1.36.0/gh/pako8128/lists/Cargo.toml
[INFO] started frobbing pako8128/lists
[INFO] finished frobbing pako8128/lists
[INFO] frobbed toml for pako8128/lists written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pako8128/lists/Cargo.toml
[INFO] crate pako8128/lists already has a lockfile, it will not be regenerated
[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 pako8128/lists 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/gh/pako8128/lists:/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] 53d652e19b46b94583c6de146c175dddb1506b0dbe80fada7beb2b2f333df426
[INFO] running `"docker" "start" "-a" "53d652e19b46b94583c6de146c175dddb1506b0dbe80fada7beb2b2f333df426"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ok_stack.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn new(elem: T, tail: ListEnum<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "53d652e19b46b94583c6de146c175dddb1506b0dbe80fada7beb2b2f333df426"`
[INFO] running `"docker" "rm" "-f" "53d652e19b46b94583c6de146c175dddb1506b0dbe80fada7beb2b2f333df426"`
[INFO] [stdout] 53d652e19b46b94583c6de146c175dddb1506b0dbe80fada7beb2b2f333df426
[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/gh/pako8128/lists:/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] 1e77d91ba3245d879ba7e793fa48d0881d21636fd7527e633a0cd316915a3888
[INFO] running `"docker" "start" "-a" "1e77d91ba3245d879ba7e793fa48d0881d21636fd7527e633a0cd316915a3888"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ok_stack.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn new(elem: T, tail: ListEnum<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "1e77d91ba3245d879ba7e793fa48d0881d21636fd7527e633a0cd316915a3888"`
[INFO] running `"docker" "rm" "-f" "1e77d91ba3245d879ba7e793fa48d0881d21636fd7527e633a0cd316915a3888"`
[INFO] [stdout] 1e77d91ba3245d879ba7e793fa48d0881d21636fd7527e633a0cd316915a3888
[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/gh/pako8128/lists:/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] ea370c8da6c6731cdd9a088ff7264cfc0638f0d1c03ea198708d85aeee77cbfa
[INFO] running `"docker" "start" "-a" "ea370c8da6c6731cdd9a088ff7264cfc0638f0d1c03ea198708d85aeee77cbfa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lists-1991532a24ddeb28
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test better_stack::tests::construct_list_from_vec ... ok
[INFO] [stdout] test better_stack::tests::construct_list ... ok
[INFO] [stdout] test better_stack::tests::add_to_an_existing_listenum ... ok
[INFO] [stdout] test bad_stack::tests::integer_list_creation ... ok
[INFO] [stdout] test better_stack::tests::construct_listenum_from_vector ... ok
[INFO] [stdout] test bad_stack::tests::integer_list_constructor ... ok
[INFO] [stdout] test better_stack::tests::nodes_not_eq ... ok
[INFO] [stdout] test ok_stack::tests::create_a_list ... ok
[INFO] [stdout] test ok_stack::tests::push_onto_a_list ... ok
[INFO] [stdout] test better_stack::tests::construct_node ... ok
[INFO] [stdout] test better_stack::tests::nodes_eq ... ok
[INFO] [stdout] test own_stack::tests::iterator ... ok
[INFO] [stdout] test own_stack::tests::mutably_borrowed_iterator ... ok
[INFO] [stdout] test own_stack::tests::construct_from_vector ... ok
[INFO] [stdout] test own_stack::tests::collect_from_iterator ... ok
[INFO] [stdout] test own_stack::tests::owned_iterator ... ok
[INFO] [stdout] test persistent_stack::tests::basics ... ok
[INFO] [stdout] test own_stack::tests::basics ... ok
[INFO] [stdout] test ok_stack::tests::push_pop_integrity ... ok
[INFO] [stdout] test persistent_stack::tests::iter ... ok
[INFO] [stdout] test stack::tests::iter_mut ... ok
[INFO] [stdout] test stack::tests::peek ... ok
[INFO] [stdout] test stack::tests::iter ... ok
[INFO] [stdout] test stack::tests::into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lists
[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" "ea370c8da6c6731cdd9a088ff7264cfc0638f0d1c03ea198708d85aeee77cbfa"`
[INFO] running `"docker" "rm" "-f" "ea370c8da6c6731cdd9a088ff7264cfc0638f0d1c03ea198708d85aeee77cbfa"`
[INFO] [stdout] ea370c8da6c6731cdd9a088ff7264cfc0638f0d1c03ea198708d85aeee77cbfa