[INFO] cloning repository https://github.com/mayhewj/lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayhewj/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffc764b5f35e40a67ddf92072826a6e9d9d40f1b [INFO] checking mayhewj/lox against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124305 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mayhewj/lox on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mayhewj/lox [INFO] finished tweaking git repo https://github.com/mayhewj/lox [INFO] tweaked toml for git repo https://github.com/mayhewj/lox written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mayhewj/lox 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking mayhewj/lox against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mayhewj/lox on toolchain 44523379467bbd2050af931a040d10c2b764b443 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mayhewj/lox [INFO] finished tweaking git repo https://github.com/mayhewj/lox [INFO] tweaked toml for git repo https://github.com/mayhewj/lox written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mayhewj/lox 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" "+44523379467bbd2050af931a040d10c2b764b443" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking mayhewj/lox against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mayhewj/lox on toolchain 44523379467bbd2050af931a040d10c2b764b443 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mayhewj/lox [INFO] finished tweaking git repo https://github.com/mayhewj/lox [INFO] tweaked toml for git repo https://github.com/mayhewj/lox written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mayhewj/lox 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" "+44523379467bbd2050af931a040d10c2b764b443" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded atty v0.2.6 [INFO] [stderr] Downloaded wincolor v0.1.4 [INFO] [stderr] Downloaded termcolor v0.3.3 [INFO] [stderr] Downloaded env_logger v0.5.2 [INFO] [stderr] Downloaded regex v0.2.5 [INFO] [stderr] Downloaded num v0.1.41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e82876b932f6c2dbaff9d78c0850aa7f005b176308ed8ace92d91a0d937186c [INFO] running `Command { std: "docker" "start" "-a" "8e82876b932f6c2dbaff9d78c0850aa7f005b176308ed8ace92d91a0d937186c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e82876b932f6c2dbaff9d78c0850aa7f005b176308ed8ace92d91a0d937186c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e82876b932f6c2dbaff9d78c0850aa7f005b176308ed8ace92d91a0d937186c", kill_on_drop: false }` [INFO] [stdout] 8e82876b932f6c2dbaff9d78c0850aa7f005b176308ed8ace92d91a0d937186c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd1d1974ef77267e0e48d50cf6d7dbb2f73c4875ae21c149f6959bb0ab50f7fb [INFO] running `Command { std: "docker" "start" "-a" "bd1d1974ef77267e0e48d50cf6d7dbb2f73c4875ae21c149f6959bb0ab50f7fb", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking termcolor v0.3.3 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Checking env_logger v0.5.2 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Interpreter` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:27:40 [INFO] [stdout] | [INFO] [stdout] 27 | type Result = result::Result>; [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] 27 | type Result = result::Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | Callable(Rc), [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | Callable(Rc), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Interpreter` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/lox_callable.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | impl fmt::Display for LoxCallable { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | impl fmt::Display for dyn LoxCallable { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:27:40 [INFO] [stdout] | [INFO] [stdout] 27 | type Result = result::Result>; [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] 27 | type Result = result::Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | Callable(Rc), [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | Callable(Rc), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:28:45 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/lox_callable.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | impl fmt::Display for LoxCallable { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | impl fmt::Display for dyn LoxCallable { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:28:45 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/scanner.rs:161:70 [INFO] [stdout] | [INFO] [stdout] 161 | eprintln!("[line {}] Error: {}.", self.line, err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/scanner.rs:161:70 [INFO] [stdout] | [INFO] [stdout] 161 | eprintln!("[line {}] Error: {}.", self.line, err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s [INFO] running `Command { std: "docker" "inspect" "bd1d1974ef77267e0e48d50cf6d7dbb2f73c4875ae21c149f6959bb0ab50f7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd1d1974ef77267e0e48d50cf6d7dbb2f73c4875ae21c149f6959bb0ab50f7fb", kill_on_drop: false }` [INFO] [stdout] bd1d1974ef77267e0e48d50cf6d7dbb2f73c4875ae21c149f6959bb0ab50f7fb