[INFO] cloning repository https://github.com/tgpfeiffer/rust-kata [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tgpfeiffer/rust-kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgpfeiffer%2Frust-kata", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgpfeiffer%2Frust-kata'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bcdceea9f7d23c20b2ffd2ee081d0bc8c0b78a68 [INFO] testing tgpfeiffer/rust-kata against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftgpfeiffer%2Frust-kata" "/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/tgpfeiffer/rust-kata on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tgpfeiffer/rust-kata [INFO] finished tweaking git repo https://github.com/tgpfeiffer/rust-kata [INFO] tweaked toml for git repo https://github.com/tgpfeiffer/rust-kata written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/tgpfeiffer/rust-kata already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 1eba43f4d8e57792cf9bea6a3fdb2d08efbcc7ffbfe1cabb3e34c42af7d88a8d [INFO] running `Command { std: "docker" "start" "-a" "1eba43f4d8e57792cf9bea6a3fdb2d08efbcc7ffbfe1cabb3e34c42af7d88a8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eba43f4d8e57792cf9bea6a3fdb2d08efbcc7ffbfe1cabb3e34c42af7d88a8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eba43f4d8e57792cf9bea6a3fdb2d08efbcc7ffbfe1cabb3e34c42af7d88a8d", kill_on_drop: false }` [INFO] [stdout] 1eba43f4d8e57792cf9bea6a3fdb2d08efbcc7ffbfe1cabb3e34c42af7d88a8d [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffc6b1b5015167dd6cbef4dcfe04de8342de4e7334412a60f5aaecf5aa4bd2d8 [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" "ffc6b1b5015167dd6cbef4dcfe04de8342de4e7334412a60f5aaecf5aa4bd2d8", kill_on_drop: false }` [INFO] [stderr] Compiling rust-kata v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "ffc6b1b5015167dd6cbef4dcfe04de8342de4e7334412a60f5aaecf5aa4bd2d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffc6b1b5015167dd6cbef4dcfe04de8342de4e7334412a60f5aaecf5aa4bd2d8", kill_on_drop: false }` [INFO] [stdout] ffc6b1b5015167dd6cbef4dcfe04de8342de4e7334412a60f5aaecf5aa4bd2d8 [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f4d0762539c8de86328f3e9a48dc2739e070290e539de31dd92c991bd1ede13 [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" "4f4d0762539c8de86328f3e9a48dc2739e070290e539de31dd92c991bd1ede13", kill_on_drop: false }` [INFO] [stderr] Compiling rust-kata v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/codekata/kata02.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | fn test_chop(chop: &Fn(i32, &[i32]) -> Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, &[i32]) -> Option` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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 test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "4f4d0762539c8de86328f3e9a48dc2739e070290e539de31dd92c991bd1ede13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f4d0762539c8de86328f3e9a48dc2739e070290e539de31dd92c991bd1ede13", kill_on_drop: false }` [INFO] [stdout] 4f4d0762539c8de86328f3e9a48dc2739e070290e539de31dd92c991bd1ede13 [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0e10179f5f10a6ad4163034a6bbe88ef435de269e8175cab4986db66aabce948 [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" "0e10179f5f10a6ad4163034a6bbe88ef435de269e8175cab4986db66aabce948", 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/codekata/kata02.rs:46:25 [INFO] [stderr] | [INFO] [stderr] 46 | fn test_chop(chop: &Fn(i32, &[i32]) -> Option) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, &[i32]) -> Option` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `rust-kata` (bin "rust-kata" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.22s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_kata-78487f3815770a4b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test codekata::kata02::tests::test_chop_recursive ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0e10179f5f10a6ad4163034a6bbe88ef435de269e8175cab4986db66aabce948", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e10179f5f10a6ad4163034a6bbe88ef435de269e8175cab4986db66aabce948", kill_on_drop: false }` [INFO] [stdout] 0e10179f5f10a6ad4163034a6bbe88ef435de269e8175cab4986db66aabce948