[INFO] crate allehanda 0.1.4 is already in cache
[INFO] extracting crate allehanda 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/allehanda/0.1.4
[INFO] extracting crate allehanda 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/allehanda/0.1.4
[INFO] validating manifest of allehanda-0.1.4 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 allehanda-0.1.4 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 allehanda-0.1.4
[INFO] finished frobbing allehanda-0.1.4
[INFO] frobbed toml for allehanda-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/allehanda/0.1.4/Cargo.toml
[INFO] started frobbing allehanda-0.1.4
[INFO] finished frobbing allehanda-0.1.4
[INFO] frobbed toml for allehanda-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/allehanda/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing allehanda-0.1.4 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/allehanda/0.1.4:/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] 0192d2bf2f65c29f5db39b104064b6908539ac9755a9b942af9e86664dfe7d98
[INFO] running `"docker" "start" "-a" "0192d2bf2f65c29f5db39b104064b6908539ac9755a9b942af9e86664dfe7d98"`
[INFO] [stderr]    Compiling allehanda v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/recurse.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Go(Box<Fn() -> Rec<T>>)
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "0192d2bf2f65c29f5db39b104064b6908539ac9755a9b942af9e86664dfe7d98"`
[INFO] running `"docker" "rm" "-f" "0192d2bf2f65c29f5db39b104064b6908539ac9755a9b942af9e86664dfe7d98"`
[INFO] [stdout] 0192d2bf2f65c29f5db39b104064b6908539ac9755a9b942af9e86664dfe7d98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/allehanda/0.1.4:/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] 879b33c13f877e96f354a53622ccf1ae43df616c00eeb0d82bd1f095491dc89f
[INFO] running `"docker" "start" "-a" "879b33c13f877e96f354a53622ccf1ae43df616c00eeb0d82bd1f095491dc89f"`
[INFO] [stderr]    Compiling allehanda v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/recurse.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Go(Box<Fn() -> Rec<T>>)
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec<T>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "879b33c13f877e96f354a53622ccf1ae43df616c00eeb0d82bd1f095491dc89f"`
[INFO] running `"docker" "rm" "-f" "879b33c13f877e96f354a53622ccf1ae43df616c00eeb0d82bd1f095491dc89f"`
[INFO] [stdout] 879b33c13f877e96f354a53622ccf1ae43df616c00eeb0d82bd1f095491dc89f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/allehanda/0.1.4:/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] 5848109c242e1091eee8db38f7a05ee48556fde172b928eca779375b8281235a
[INFO] running `"docker" "start" "-a" "5848109c242e1091eee8db38f7a05ee48556fde172b928eca779375b8281235a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/allehanda-de47f75027cec6e6
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test graph::tests::test_degree ... ok
[INFO] [stdout] test graph::tests::test_vertex_count ... ok
[INFO] [stdout] test collection::test ... ok
[INFO] [stdout] test graph::tests::test_edge_count ... ok
[INFO] [stdout] test graph::tests::test_adjacent ... ok
[INFO] [stdout] test knapsack::tests::test_knapsack ... ok
[INFO] [stdout] test list::tests::test_collect ... ok
[INFO] [stdout] test matrix::tests::test_matrix_reverse_rows ... ok
[INFO] [stdout] test matrix::tests::test_get_row ... ok
[INFO] [stdout] test matrix::tests::test_rotate_cw ... ok
[INFO] [stdout] test matrix::tests::test_into_iterator ... ok
[INFO] [stdout] test matrix::tests::test_rotate_ccw ... ok
[INFO] [stdout] test matrix::tests::test_creating_matrix ... ok
[INFO] [stdout] test recurse::tests::test_factorial_with_rec ... ok
[INFO] [stdout] test matrix::tests::test_with_data_works_when_input_vec_len_matches_dimensions ... ok
[INFO] [stdout] test matrix::tests::test_set_row ... ok
[INFO] [stdout] test list::tests::test_cons ... ok
[INFO] [stdout] test matrix::tests::test_transpose ... ok
[INFO] [stdout] test recurse::tests::test_fib_with_rec ... ok
[INFO] [stdout] test matrix::tests::test_with_data_panics_on_length_mismatch_in_input_vec ... ok
[INFO] [stdout] test recurse::tests::test_rec_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests allehanda
[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" "5848109c242e1091eee8db38f7a05ee48556fde172b928eca779375b8281235a"`
[INFO] running `"docker" "rm" "-f" "5848109c242e1091eee8db38f7a05ee48556fde172b928eca779375b8281235a"`
[INFO] [stdout] 5848109c242e1091eee8db38f7a05ee48556fde172b928eca779375b8281235a