[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-1.38-1/sources/1.37.0/gh/pako8128/lists"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pako8128/lists'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pako8128/lists" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pako8128/lists"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pako8128/lists 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 pako8128/lists [INFO] finished frobbing pako8128/lists [INFO] frobbed toml for pako8128/lists written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 pako8128/lists 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-7/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/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 089704d5089f44af35ab6152ba0687125626b23c3905c5da88abe7126d2e69de [INFO] running `"docker" "start" "-a" "089704d5089f44af35ab6152ba0687125626b23c3905c5da88abe7126d2e69de"` [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) -> 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 0.52s [INFO] running `"docker" "inspect" "089704d5089f44af35ab6152ba0687125626b23c3905c5da88abe7126d2e69de"` [INFO] running `"docker" "rm" "-f" "089704d5089f44af35ab6152ba0687125626b23c3905c5da88abe7126d2e69de"` [INFO] [stdout] 089704d5089f44af35ab6152ba0687125626b23c3905c5da88abe7126d2e69de [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 94421b39b03b1f49096fec19fa2b97700f934491fd401cf4cc87fbeca35ffab3 [INFO] running `"docker" "start" "-a" "94421b39b03b1f49096fec19fa2b97700f934491fd401cf4cc87fbeca35ffab3"` [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) -> 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 1.56s [INFO] running `"docker" "inspect" "94421b39b03b1f49096fec19fa2b97700f934491fd401cf4cc87fbeca35ffab3"` [INFO] running `"docker" "rm" "-f" "94421b39b03b1f49096fec19fa2b97700f934491fd401cf4cc87fbeca35ffab3"` [INFO] [stdout] 94421b39b03b1f49096fec19fa2b97700f934491fd401cf4cc87fbeca35ffab3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] dc2f4f2678ce703b422d9c579ac94e872173ca4d46bac28744f048ef487f4713 [INFO] running `"docker" "start" "-a" "dc2f4f2678ce703b422d9c579ac94e872173ca4d46bac28744f048ef487f4713"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/lists-81d1e95b3ac8a77c [INFO] [stdout] [INFO] [stdout] running 24 tests [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 ok_stack::tests::push_pop_integrity ... ok [INFO] [stdout] test own_stack::tests::basics ... ok [INFO] [stdout] test own_stack::tests::collect_from_iterator ... ok [INFO] [stdout] test own_stack::tests::construct_from_vector ... 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::owned_iterator ... ok [INFO] [stdout] test persistent_stack::tests::basics ... ok [INFO] [stdout] test persistent_stack::tests::iter ... ok [INFO] [stdout] test stack::tests::into_iter ... ok [INFO] [stdout] test stack::tests::iter ... ok [INFO] [stdout] test stack::tests::iter_mut ... ok [INFO] [stdout] test stack::tests::peek ... ok [INFO] [stdout] test better_stack::tests::construct_list ... ok [INFO] [stdout] test better_stack::tests::nodes_eq ... ok [INFO] [stdout] test better_stack::tests::construct_listenum_from_vector ... ok [INFO] [stdout] test better_stack::tests::construct_list_from_vec ... ok [INFO] [stdout] test better_stack::tests::construct_node ... ok [INFO] [stdout] test better_stack::tests::add_to_an_existing_listenum ... ok [INFO] [stderr] Doc-tests lists [INFO] [stdout] test bad_stack::tests::integer_list_creation ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 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" "dc2f4f2678ce703b422d9c579ac94e872173ca4d46bac28744f048ef487f4713"` [INFO] running `"docker" "rm" "-f" "dc2f4f2678ce703b422d9c579ac94e872173ca4d46bac28744f048ef487f4713"` [INFO] [stdout] dc2f4f2678ce703b422d9c579ac94e872173ca4d46bac28744f048ef487f4713