[INFO] cloning repository https://github.com/marans/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marans/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarans%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarans%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5181cdce37fdbb9de336ed3ee0b123c6da593b95 [INFO] testing marans/rlox 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%2Fmarans%2Frlox" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marans/rlox 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/marans/rlox [INFO] finished tweaking git repo https://github.com/marans/rlox [INFO] tweaked toml for git repo https://github.com/marans/rlox written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/marans/rlox 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 944d56339cba44be72ad01ddc94b66fd5f4a1da1a5fca768cbd4158bd381a97d [INFO] running `Command { std: "docker" "start" "-a" "944d56339cba44be72ad01ddc94b66fd5f4a1da1a5fca768cbd4158bd381a97d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "944d56339cba44be72ad01ddc94b66fd5f4a1da1a5fca768cbd4158bd381a97d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "944d56339cba44be72ad01ddc94b66fd5f4a1da1a5fca768cbd4158bd381a97d", kill_on_drop: false }` [INFO] [stdout] 944d56339cba44be72ad01ddc94b66fd5f4a1da1a5fca768cbd4158bd381a97d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 999247bbf9d8346445897f26a9eaf88ce95f487f288d60da0477277502ff8c22 [INFO] running `Command { std: "docker" "start" "-a" "999247bbf9d8346445897f26a9eaf88ce95f487f288d60da0477277502ff8c22", kill_on_drop: false }` [INFO] [stderr] Compiling rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm/mod.rs:21:59 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn interpret(&mut self, source: String, out: &mut io::Write) -> InterpretResult { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm/mod.rs:64:33 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, out: &mut io::Write) -> InterpretResult { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compiler/mod.rs:47:28 [INFO] [stdout] | [INFO] [stdout] 47 | type ParseFn = Option>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Compiler)` [INFO] [stdout] | [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: unused `Result` that must be used [INFO] [stdout] --> src/vm/mod.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | write!(out, "{:?}", self.stack.pop().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "999247bbf9d8346445897f26a9eaf88ce95f487f288d60da0477277502ff8c22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "999247bbf9d8346445897f26a9eaf88ce95f487f288d60da0477277502ff8c22", kill_on_drop: false }` [INFO] [stdout] 999247bbf9d8346445897f26a9eaf88ce95f487f288d60da0477277502ff8c22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 35dfa6b7198f06ffeef6996b13cf89c5575f102a60d73a74e83e1453fe36d1bd [INFO] running `Command { std: "docker" "start" "-a" "35dfa6b7198f06ffeef6996b13cf89c5575f102a60d73a74e83e1453fe36d1bd", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm/mod.rs:21:59 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn interpret(&mut self, source: String, out: &mut io::Write) -> InterpretResult { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm/mod.rs:64:33 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, out: &mut io::Write) -> InterpretResult { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compiler/mod.rs:47:28 [INFO] [stdout] | [INFO] [stdout] 47 | type ParseFn = Option>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Compiler)` [INFO] [stdout] | [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] [stderr] Compiling rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm/mod.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | write!(out, "{:?}", self.stack.pop().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm/mod.rs:21:59 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn interpret(&mut self, source: String, out: &mut io::Write) -> InterpretResult { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm/mod.rs:64:33 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, out: &mut io::Write) -> InterpretResult { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compiler/mod.rs:47:28 [INFO] [stdout] | [INFO] [stdout] 47 | type ParseFn = Option>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Compiler)` [INFO] [stdout] | [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: unused `Result` that must be used [INFO] [stdout] --> src/vm/mod.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | write!(out, "{:?}", self.stack.pop().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "35dfa6b7198f06ffeef6996b13cf89c5575f102a60d73a74e83e1453fe36d1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35dfa6b7198f06ffeef6996b13cf89c5575f102a60d73a74e83e1453fe36d1bd", kill_on_drop: false }` [INFO] [stdout] 35dfa6b7198f06ffeef6996b13cf89c5575f102a60d73a74e83e1453fe36d1bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 443159f7989066668cd2ba0453b91bddef365d0632125d97b0c7302a0fd61db4 [INFO] running `Command { std: "docker" "start" "-a" "443159f7989066668cd2ba0453b91bddef365d0632125d97b0c7302a0fd61db4", 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/vm/mod.rs:21:59 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn interpret(&mut self, source: String, out: &mut io::Write) -> InterpretResult { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vm/mod.rs:64:33 [INFO] [stderr] | [INFO] [stderr] 64 | fn run(&mut self, out: &mut io::Write) -> InterpretResult { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stderr] | [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: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/compiler/mod.rs:47:28 [INFO] [stderr] | [INFO] [stderr] 47 | type ParseFn = Option>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Compiler)` [INFO] [stderr] | [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: unused `Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | write!(out, "{:?}", self.stack.pop().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rlox` (lib) generated 4 warnings [INFO] [stderr] warning: `rlox` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rlox-a8a7c31532a649f4) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test scanner::test::expressions ... ok [INFO] [stdout] test scanner::test::keyword_class ... ok [INFO] [stdout] test scanner::test::keyword_for ... ok [INFO] [stdout] test scanner::test::keyword_this ... ok [INFO] [stdout] test scanner::test::identifier ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rlox-db3db105cc60d2a6) [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-074e1d638a24237d) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test expr ... ok [INFO] [stdout] [INFO] [stderr] Doc-tests rlox [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [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" "443159f7989066668cd2ba0453b91bddef365d0632125d97b0c7302a0fd61db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443159f7989066668cd2ba0453b91bddef365d0632125d97b0c7302a0fd61db4", kill_on_drop: false }` [INFO] [stdout] 443159f7989066668cd2ba0453b91bddef365d0632125d97b0c7302a0fd61db4