[INFO] fetching crate allehanda 0.1.4...
[INFO] testing allehanda-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate allehanda 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate allehanda 0.1.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate allehanda 0.1.4
[INFO] finished tweaking crates.io crate allehanda 0.1.4
[INFO] tweaked toml for crates.io crate allehanda 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11e9191a704bbf6fde85e02f3d9c0c9aae331308f52fcd12bfd0a29c74b325d5
[INFO] running `Command { std: "docker" "start" "-a" "11e9191a704bbf6fde85e02f3d9c0c9aae331308f52fcd12bfd0a29c74b325d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11e9191a704bbf6fde85e02f3d9c0c9aae331308f52fcd12bfd0a29c74b325d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e9191a704bbf6fde85e02f3d9c0c9aae331308f52fcd12bfd0a29c74b325d5", kill_on_drop: false }`
[INFO] [stdout] 11e9191a704bbf6fde85e02f3d9c0c9aae331308f52fcd12bfd0a29c74b325d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 694aaba53f2fe78fb11f03e9ffdb47263e73a3752ea26865d1f57091e978b084
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "694aaba53f2fe78fb11f03e9ffdb47263e73a3752ea26865d1f57091e978b084", kill_on_drop: false }`
[INFO] [stderr]    Compiling allehanda v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/recurse.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Go(Box<Fn() -> Rec<T>>)
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec<T>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "694aaba53f2fe78fb11f03e9ffdb47263e73a3752ea26865d1f57091e978b084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694aaba53f2fe78fb11f03e9ffdb47263e73a3752ea26865d1f57091e978b084", kill_on_drop: false }`
[INFO] [stdout] 694aaba53f2fe78fb11f03e9ffdb47263e73a3752ea26865d1f57091e978b084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31e0dcfd74db0ab8252d2de915c5d332b78d547700a837aa19ae25f4d7bd0499
[INFO] running `Command { std: "docker" "start" "-a" "31e0dcfd74db0ab8252d2de915c5d332b78d547700a837aa19ae25f4d7bd0499", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/recurse.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Go(Box<Fn() -> Rec<T>>)
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec<T>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling allehanda v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/recurse.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Go(Box<Fn() -> Rec<T>>)
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec<T>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "31e0dcfd74db0ab8252d2de915c5d332b78d547700a837aa19ae25f4d7bd0499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e0dcfd74db0ab8252d2de915c5d332b78d547700a837aa19ae25f4d7bd0499", kill_on_drop: false }`
[INFO] [stdout] 31e0dcfd74db0ab8252d2de915c5d332b78d547700a837aa19ae25f4d7bd0499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9dd5cedbd488f2dc4b56565916ae2c096210b124196266103338bef29e8007e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9dd5cedbd488f2dc4b56565916ae2c096210b124196266103338bef29e8007e3", kill_on_drop: false }`
[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] warning: 1 warning emitted
[INFO] [stderr] 
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/allehanda-292b6e9ad0e03c85
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test graph::tests::test_degree ... ok
[INFO] [stdout] test list::tests::test_collect ... ok
[INFO] [stdout] test matrix::tests::test_get_row ... ok
[INFO] [stdout] test matrix::tests::test_creating_matrix ... ok
[INFO] [stdout] test matrix::tests::test_matrix_reverse_rows ... ok
[INFO] [stdout] test matrix::tests::test_rotate_cw ... ok
[INFO] [stdout] test matrix::tests::test_rotate_ccw ... ok
[INFO] [stdout] test graph::tests::test_adjacent ... ok
[INFO] [stdout] test recurse::tests::test_factorial_with_rec ... ok
[INFO] [stdout] test graph::tests::test_vertex_count ... ok
[INFO] [stdout] test graph::tests::test_edge_count ... ok
[INFO] [stdout] test knapsack::tests::test_knapsack ... ok
[INFO] [stdout] test collection::test ... ok
[INFO] [stdout] test list::tests::test_cons ... ok
[INFO] [stdout] test matrix::tests::test_with_data_works_when_input_vec_len_matches_dimensions ... ok
[INFO] [stdout] test matrix::tests::test_into_iterator ... ok
[INFO] [stdout] test matrix::tests::test_set_row ... 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] [stderr]    Doc-tests allehanda
[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] [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 `Command { std: "docker" "inspect" "9dd5cedbd488f2dc4b56565916ae2c096210b124196266103338bef29e8007e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd5cedbd488f2dc4b56565916ae2c096210b124196266103338bef29e8007e3", kill_on_drop: false }`
[INFO] [stdout] 9dd5cedbd488f2dc4b56565916ae2c096210b124196266103338bef29e8007e3