[INFO] cloning repository https://github.com/marad/rusty-parens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marad/rusty-parens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarad%2Frusty-parens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarad%2Frusty-parens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 994c7028f1a17201774a71635b93f32ac92bffdd
[INFO] testing marad/rusty-parens against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarad%2Frusty-parens" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marad/rusty-parens on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marad/rusty-parens
[INFO] finished tweaking git repo https://github.com/marad/rusty-parens
[INFO] tweaked toml for git repo https://github.com/marad/rusty-parens written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/marad/rusty-parens already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 77d224939bff606b5cf9c6bfaea1ba7069636aad69096f2d90e6f7e14d6e5c69
[INFO] running `Command { std: "docker" "start" "-a" "77d224939bff606b5cf9c6bfaea1ba7069636aad69096f2d90e6f7e14d6e5c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d224939bff606b5cf9c6bfaea1ba7069636aad69096f2d90e6f7e14d6e5c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d224939bff606b5cf9c6bfaea1ba7069636aad69096f2d90e6f7e14d6e5c69", kill_on_drop: false }`
[INFO] [stdout] 77d224939bff606b5cf9c6bfaea1ba7069636aad69096f2d90e6f7e14d6e5c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c277320d1a925edbad0c71afbe2628fee4c04135246c10f1256763c31bd2f94b
[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" "c277320d1a925edbad0c71afbe2628fee4c04135246c10f1256763c31bd2f94b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rusty-parens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval/scope.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn put(&mut self, name: &ToString, value: Expression) {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn ToString`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Regular`
[INFO] [stdout]   --> src/reader.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Regular(Vec<Expression>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `Command { std: "docker" "inspect" "c277320d1a925edbad0c71afbe2628fee4c04135246c10f1256763c31bd2f94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c277320d1a925edbad0c71afbe2628fee4c04135246c10f1256763c31bd2f94b", kill_on_drop: false }`
[INFO] [stdout] c277320d1a925edbad0c71afbe2628fee4c04135246c10f1256763c31bd2f94b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19ee802995c733239c62c2d67d30f302e4e8a8b621a98a0f8f8c46cc5f4bce4d
[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" "19ee802995c733239c62c2d67d30f302e4e8a8b621a98a0f8f8c46cc5f4bce4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-parens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval/scope.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn put(&mut self, name: &ToString, value: Expression) {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn ToString`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Regular`
[INFO] [stdout]   --> src/reader.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Regular(Vec<Expression>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "19ee802995c733239c62c2d67d30f302e4e8a8b621a98a0f8f8c46cc5f4bce4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ee802995c733239c62c2d67d30f302e4e8a8b621a98a0f8f8c46cc5f4bce4d", kill_on_drop: false }`
[INFO] [stdout] 19ee802995c733239c62c2d67d30f302e4e8a8b621a98a0f8f8c46cc5f4bce4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f41a0cbbb85a204116d4709fc8a6d916848c508bcdfc229fb996f9048ab7beb
[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" "7f41a0cbbb85a204116d4709fc8a6d916848c508bcdfc229fb996f9048ab7beb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 21 tests
[INFO] [stderr]   --> src/eval/scope.rs:15:34
[INFO] [stdout] test eval::test::basic::functions::should_evaluate_functions ... ok
[INFO] [stderr]    |
[INFO] [stdout] test eval::test::basic::functions::should_eval_function_args ... ok
[INFO] [stderr] 15 |     pub fn put(&mut self, name: &ToString, value: Expression) {
[INFO] [stdout] test eval::test::basic::functions::should_return_error_when_evaluating_empty_list ... ok
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn ToString`
[INFO] [stdout] test eval::test::basic::identifiers::should_evaluate_identifiers ... ok
[INFO] [stderr]    |
[INFO] [stdout] test eval::test::basic::identifiers::should_return_proper_error_when_identifier_is_not_found ... ok
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test eval::test::basic::should_eval_values_to_themselves ... ok
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout] test reader::test::basic::should_rad_list ... ok
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] test reader::test::basic::should_read_float ... ok
[INFO] [stderr] 
[INFO] [stdout] test reader::test::basic::should_read_integer ... ok
[INFO] [stderr] warning: variant is never constructed: `Regular`
[INFO] [stdout] test tokenizer::test::basic::should_read_float ... ok
[INFO] [stderr]   --> src/reader.rs:13:5
[INFO] [stdout] test tokenizer::test::basic::should_read_identifier ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tokenizer::test::should_read_simple_function_call ... ok
[INFO] [stderr] 13 |     Regular(Vec<Expression>),
[INFO] [stdout] test reader::test::basic::should_read_identifier ... ok
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_parens-89dbe2949769bc1a)
[INFO] [stdout] test tokenizer::test::basic::should_read_integer ... ok
[INFO] [stdout] test tokenizer::test::basic::should_read_string ... ok
[INFO] [stdout] test tokenizer::test::basic::should_ignore_leading_whitespace ... ok
[INFO] [stdout] test tokenizer::test::should_read_function_call_with_arguments ... ok
[INFO] [stdout] test reader::test::basic::should_read_string ... ok
[INFO] [stdout] test tokenizer::test::basic::should_ignore_trailing_whitespace_when_reading_numbers ... ok
[INFO] [stdout] test reader::test::should_read_nested_lists ... ok
[INFO] [stdout] test tokenizer::test::should_escape_string_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f41a0cbbb85a204116d4709fc8a6d916848c508bcdfc229fb996f9048ab7beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f41a0cbbb85a204116d4709fc8a6d916848c508bcdfc229fb996f9048ab7beb", kill_on_drop: false }`
[INFO] [stdout] 7f41a0cbbb85a204116d4709fc8a6d916848c508bcdfc229fb996f9048ab7beb