[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-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framn%2Fallehanda-rs" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ramn/allehanda-rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-38/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8441687f114aa37d9b23f50acb513bf26f84f1256d5c895bd9ed0045ed2e3717 [INFO] running `Command { std: "docker" "start" "-a" "8441687f114aa37d9b23f50acb513bf26f84f1256d5c895bd9ed0045ed2e3717", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8441687f114aa37d9b23f50acb513bf26f84f1256d5c895bd9ed0045ed2e3717", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8441687f114aa37d9b23f50acb513bf26f84f1256d5c895bd9ed0045ed2e3717", kill_on_drop: false }` [INFO] [stdout] 8441687f114aa37d9b23f50acb513bf26f84f1256d5c895bd9ed0045ed2e3717 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0c66851d66f200573eaaf874d61c0dfc288b2bbbb32efc2b7efe0016a043337 [INFO] running `Command { std: "docker" "start" "-a" "b0c66851d66f200573eaaf874d61c0dfc288b2bbbb32efc2b7efe0016a043337", 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 Rec>) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "b0c66851d66f200573eaaf874d61c0dfc288b2bbbb32efc2b7efe0016a043337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0c66851d66f200573eaaf874d61c0dfc288b2bbbb32efc2b7efe0016a043337", kill_on_drop: false }` [INFO] [stdout] b0c66851d66f200573eaaf874d61c0dfc288b2bbbb32efc2b7efe0016a043337 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b819bca48bf5107d5388d1df515b652624a3f093b9fcd33ec2f2543d96c42c52 [INFO] running `Command { std: "docker" "start" "-a" "b819bca48bf5107d5388d1df515b652624a3f093b9fcd33ec2f2543d96c42c52", 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 Rec>) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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: unnecessary trailing semicolon [INFO] [stdout] --> src/graph.rs:87:10 [INFO] [stdout] | [INFO] [stdout] 87 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [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 Rec>) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `Command { std: "docker" "inspect" "b819bca48bf5107d5388d1df515b652624a3f093b9fcd33ec2f2543d96c42c52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b819bca48bf5107d5388d1df515b652624a3f093b9fcd33ec2f2543d96c42c52", kill_on_drop: false }` [INFO] [stdout] b819bca48bf5107d5388d1df515b652624a3f093b9fcd33ec2f2543d96c42c52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7b88fdf456449928cf43d9fd6394945e4bbaf8d5d1aa05ca022c2b8aa2e63ee1 [INFO] running `Command { std: "docker" "start" "-a" "7b88fdf456449928cf43d9fd6394945e4bbaf8d5d1aa05ca022c2b8aa2e63ee1", 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 Rec>) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Rec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `allehanda` (lib) generated 1 warning [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/graph.rs:87:10 [INFO] [stderr] | [INFO] [stderr] 87 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `allehanda` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/allehanda-d7bf2051273f0aee) [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_degree ... ok [INFO] [stdout] test graph::tests::test_edge_count ... ok [INFO] [stdout] test matrix::tests::test_creating_matrix ... ok [INFO] [stdout] test list::tests::test_collect ... ok [INFO] [stdout] test matrix::tests::test_into_iterator ... ok [INFO] [stdout] test knapsack::tests::test_knapsack ... ok [INFO] [stdout] test graph::tests::test_vertex_count ... ok [INFO] [stdout] test matrix::tests::test_get_row ... ok [INFO] [stdout] test list::tests::test_cons ... 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_transpose ... ok [INFO] [stdout] test matrix::tests::test_rotate_ccw ... ok [INFO] [stdout] test matrix::tests::test_set_row ... ok [INFO] [stdout] test permutation::tests::test_last_permutation ... ok [INFO] [stdout] test matrix::tests::test_with_data_works_when_input_vec_len_matches_dimensions ... ok [INFO] [stdout] test permutation::tests::test_next_permutation ... ok [INFO] [stdout] test recurse::tests::test_factorial_with_rec ... ok [INFO] [stdout] test permutation::tests::test_permute ... 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 - should panic ... 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" "7b88fdf456449928cf43d9fd6394945e4bbaf8d5d1aa05ca022c2b8aa2e63ee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b88fdf456449928cf43d9fd6394945e4bbaf8d5d1aa05ca022c2b8aa2e63ee1", kill_on_drop: false }` [INFO] [stdout] 7b88fdf456449928cf43d9fd6394945e4bbaf8d5d1aa05ca022c2b8aa2e63ee1