[INFO] cloning repository https://github.com/ramn/allehanda-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramn/allehanda-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framn%2Fallehanda-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framn%2Fallehanda-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fcdf830c4a7970f47f7c3b3e32a1dd859e03d69
[INFO] testing ramn/allehanda-rs against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framn%2Fallehanda-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramn/allehanda-rs on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ramn/allehanda-rs
[INFO] finished tweaking git repo https://github.com/ramn/allehanda-rs
[INFO] tweaked toml for git repo https://github.com/ramn/allehanda-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ramn/allehanda-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a39eda124797692c014ba471eae2a799cf601bd862406fc67da0d761ac503c4f
[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" "a39eda124797692c014ba471eae2a799cf601bd862406fc67da0d761ac503c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a39eda124797692c014ba471eae2a799cf601bd862406fc67da0d761ac503c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39eda124797692c014ba471eae2a799cf601bd862406fc67da0d761ac503c4f", kill_on_drop: false }`
[INFO] [stdout] a39eda124797692c014ba471eae2a799cf601bd862406fc67da0d761ac503c4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96b574e4c1c53a4d507d3c013b0d934d15f2857554c7a26740865914028e28a1
[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" "96b574e4c1c53a4d507d3c013b0d934d15f2857554c7a26740865914028e28a1", 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 1.34s
[INFO] running `Command { std: "docker" "inspect" "96b574e4c1c53a4d507d3c013b0d934d15f2857554c7a26740865914028e28a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b574e4c1c53a4d507d3c013b0d934d15f2857554c7a26740865914028e28a1", kill_on_drop: false }`
[INFO] [stdout] 96b574e4c1c53a4d507d3c013b0d934d15f2857554c7a26740865914028e28a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85c2fc2266bc9b9acb281d25d79a89f81215785aac9cbdae701b998716e18164
[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" "85c2fc2266bc9b9acb281d25d79a89f81215785aac9cbdae701b998716e18164", 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 1.25s
[INFO] running `Command { std: "docker" "inspect" "85c2fc2266bc9b9acb281d25d79a89f81215785aac9cbdae701b998716e18164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c2fc2266bc9b9acb281d25d79a89f81215785aac9cbdae701b998716e18164", kill_on_drop: false }`
[INFO] [stdout] 85c2fc2266bc9b9acb281d25d79a89f81215785aac9cbdae701b998716e18164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f58ecd93e953ff9da6fe2443681a06390692fcfacdddb3e7bdb37a7b32bfef86
[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" "f58ecd93e953ff9da6fe2443681a06390692fcfacdddb3e7bdb37a7b32bfef86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.94s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/allehanda-ad59e80c5b1360bb
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test collection::test ... ok
[INFO] [stdout] test graph::tests::test_adjacent ... ok
[INFO] [stdout] test graph::tests::test_edge_count ... ok
[INFO] [stdout] test graph::tests::test_vertex_count ... ok
[INFO] [stdout] test matrix::tests::test_rotate_ccw ... ok
[INFO] [stdout] test matrix::tests::test_rotate_cw ... ok
[INFO] [stdout] test permutation::tests::test_last_permutation ... ok
[INFO] [stdout] test permutation::tests::test_next_permutation ... ok
[INFO] [stdout] test recurse::tests::test_fib_with_rec ... ok
[INFO] [stdout] test knapsack::tests::test_knapsack ... ok
[INFO] [stdout] test matrix::tests::test_matrix_reverse_rows ... ok
[INFO] [stdout] test matrix::tests::test_set_row ... ok
[INFO] [stdout] test matrix::tests::test_with_data_works_when_input_vec_len_matches_dimensions ... ok
[INFO] [stdout] test matrix::tests::test_transpose ... ok
[INFO] [stdout] test graph::tests::test_degree ... ok
[INFO] [stdout] test permutation::tests::test_permute ... ok
[INFO] [stdout] test recurse::tests::test_factorial_with_rec ... ok
[INFO] [stdout] test list::tests::test_cons ... 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_into_iterator ... ok
[INFO] [stdout] test list::tests::test_collect ... 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. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f58ecd93e953ff9da6fe2443681a06390692fcfacdddb3e7bdb37a7b32bfef86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58ecd93e953ff9da6fe2443681a06390692fcfacdddb3e7bdb37a7b32bfef86", kill_on_drop: false }`
[INFO] [stdout] f58ecd93e953ff9da6fe2443681a06390692fcfacdddb3e7bdb37a7b32bfef86