[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 against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice" "/workspace/builds/worker-18/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fal-works/rust-practice on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-18/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 379d3ef3e8ff410978c31d7b40514c1f1e38f8b7fd47c95a2aa8ed02d45a1dfb [INFO] running `Command { std: "docker" "start" "-a" "379d3ef3e8ff410978c31d7b40514c1f1e38f8b7fd47c95a2aa8ed02d45a1dfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "379d3ef3e8ff410978c31d7b40514c1f1e38f8b7fd47c95a2aa8ed02d45a1dfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "379d3ef3e8ff410978c31d7b40514c1f1e38f8b7fd47c95a2aa8ed02d45a1dfb", kill_on_drop: false }` [INFO] [stdout] 379d3ef3e8ff410978c31d7b40514c1f1e38f8b7fd47c95a2aa8ed02d45a1dfb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9569e84c234f58b40831c6bf77b239bd3de49f6b045f110c0dc2f9e1161ac34a [INFO] running `Command { std: "docker" "start" "-a" "9569e84c234f58b40831c6bf77b239bd3de49f6b045f110c0dc2f9e1161ac34a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] = 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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 3 - fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [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 [unoptimized + debuginfo] target(s) in 4.31s [INFO] running `Command { std: "docker" "inspect" "9569e84c234f58b40831c6bf77b239bd3de49f6b045f110c0dc2f9e1161ac34a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9569e84c234f58b40831c6bf77b239bd3de49f6b045f110c0dc2f9e1161ac34a", kill_on_drop: false }` [INFO] [stdout] 9569e84c234f58b40831c6bf77b239bd3de49f6b045f110c0dc2f9e1161ac34a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e640d92260c70f79a9a7f5c6a54d75764a1163419b68bdb5977abe2e64cd85f1 [INFO] running `Command { std: "docker" "start" "-a" "e640d92260c70f79a9a7f5c6a54d75764a1163419b68bdb5977abe2e64cd85f1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] = 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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 3 - fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [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 [unoptimized + debuginfo] target(s) in 0.51s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practice-fc54f9b290a6fe4e) [INFO] running `Command { std: "docker" "inspect" "e640d92260c70f79a9a7f5c6a54d75764a1163419b68bdb5977abe2e64cd85f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e640d92260c70f79a9a7f5c6a54d75764a1163419b68bdb5977abe2e64cd85f1", kill_on_drop: false }` [INFO] [stdout] e640d92260c70f79a9a7f5c6a54d75764a1163419b68bdb5977abe2e64cd85f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ec286a8f89278c0fe7a7d7aaff13732100a93b412001c65be37bb40027cb2e73 [INFO] running `Command { std: "docker" "start" "-a" "ec286a8f89278c0fe7a7d7aaff13732100a93b412001c65be37bb40027cb2e73", 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/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] = 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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 3 - fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [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 [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practice-fc54f9b290a6fe4e) [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" "ec286a8f89278c0fe7a7d7aaff13732100a93b412001c65be37bb40027cb2e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec286a8f89278c0fe7a7d7aaff13732100a93b412001c65be37bb40027cb2e73", kill_on_drop: false }` [INFO] [stdout] ec286a8f89278c0fe7a7d7aaff13732100a93b412001c65be37bb40027cb2e73