[INFO] cloning repository https://github.com/fal-works/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fal-works/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b22b6a8a9e5dee6e57755da1345467214e186a8 [INFO] testing fal-works/rust-practice/9b22b6a8a9e5dee6e57755da1345467214e186a8 against 1.81.0 for beta-1.82-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fal-works/rust-practice on toolchain 1.81.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fal-works/rust-practice [INFO] finished tweaking git repo https://github.com/fal-works/rust-practice [INFO] tweaked toml for git repo https://github.com/fal-works/rust-practice written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fal-works/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ad71acc4e83481ef7c324a932ceb022c0bdc31d6cfd1b1dbe58a12a67061a0a [INFO] running `Command { std: "docker" "start" "-a" "5ad71acc4e83481ef7c324a932ceb022c0bdc31d6cfd1b1dbe58a12a67061a0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ad71acc4e83481ef7c324a932ceb022c0bdc31d6cfd1b1dbe58a12a67061a0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ad71acc4e83481ef7c324a932ceb022c0bdc31d6cfd1b1dbe58a12a67061a0a", kill_on_drop: false }` [INFO] [stdout] 5ad71acc4e83481ef7c324a932ceb022c0bdc31d6cfd1b1dbe58a12a67061a0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75c8ac7fdbe9a6910e131b42b6308830efc4a3c60f4a48b2ebef9736aba4acd0 [INFO] running `Command { std: "docker" "start" "-a" "75c8ac7fdbe9a6910e131b42b6308830efc4a3c60f4a48b2ebef9736aba4acd0", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling rust-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:3:65 [INFO] [stdout] | [INFO] [stdout] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &dyn Fn(T, char) -> T) -> T { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "75c8ac7fdbe9a6910e131b42b6308830efc4a3c60f4a48b2ebef9736aba4acd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75c8ac7fdbe9a6910e131b42b6308830efc4a3c60f4a48b2ebef9736aba4acd0", kill_on_drop: false }` [INFO] [stdout] 75c8ac7fdbe9a6910e131b42b6308830efc4a3c60f4a48b2ebef9736aba4acd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 994665a099d5e3577ef3938c786e92fc9cae9744445e349457a7045e0b1c99c2 [INFO] running `Command { std: "docker" "start" "-a" "994665a099d5e3577ef3938c786e92fc9cae9744445e349457a7045e0b1c99c2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling rust-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:3:65 [INFO] [stdout] | [INFO] [stdout] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &dyn Fn(T, char) -> T) -> T { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "994665a099d5e3577ef3938c786e92fc9cae9744445e349457a7045e0b1c99c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "994665a099d5e3577ef3938c786e92fc9cae9744445e349457a7045e0b1c99c2", kill_on_drop: false }` [INFO] [stdout] 994665a099d5e3577ef3938c786e92fc9cae9744445e349457a7045e0b1c99c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8f8689c347fe0a8a0ab236107f527b5e20a362c5833974c3acd89012c438953f [INFO] running `Command { std: "docker" "start" "-a" "8f8689c347fe0a8a0ab236107f527b5e20a362c5833974c3acd89012c438953f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:3:65 [INFO] [stderr] | [INFO] [stderr] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: if this is an object-safe trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &dyn Fn(T, char) -> T) -> T { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rust-practice` (bin "rust-practice" test) generated 1 warning (run `cargo fix --bin "rust-practice" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practice-056b82fd2c9ad69d) [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" "8f8689c347fe0a8a0ab236107f527b5e20a362c5833974c3acd89012c438953f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f8689c347fe0a8a0ab236107f527b5e20a362c5833974c3acd89012c438953f", kill_on_drop: false }` [INFO] [stdout] 8f8689c347fe0a8a0ab236107f527b5e20a362c5833974c3acd89012c438953f