[INFO] updating cached repository https://github.com/marad/rusty-parens
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 994c7028f1a17201774a71635b93f32ac92bffdd
[INFO] testing marad/rusty-parens against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarad%2Frusty-parens" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marad/rusty-parens on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/marad/rusty-parens already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0cf3937ff9371d63c593c4821fffad7e1a292eaef979536819c1425b38241e31
[INFO] running `"docker" "start" "-a" "0cf3937ff9371d63c593c4821fffad7e1a292eaef979536819c1425b38241e31"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.32
[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] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval/scope.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn put(&mut self, name: &ToString, value: Expression) {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn ToString`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Regular`
[INFO] [stderr]   --> src/reader.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Regular(Vec<Expression>),
[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 dev [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `"docker" "inspect" "0cf3937ff9371d63c593c4821fffad7e1a292eaef979536819c1425b38241e31"`
[INFO] running `"docker" "rm" "-f" "0cf3937ff9371d63c593c4821fffad7e1a292eaef979536819c1425b38241e31"`
[INFO] [stdout] 0cf3937ff9371d63c593c4821fffad7e1a292eaef979536819c1425b38241e31
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad45bf933b59cd84de4ee7019ac2ad37eca372f87dca15ff3ddf37739eb33f1f
[INFO] running `"docker" "start" "-a" "ad45bf933b59cd84de4ee7019ac2ad37eca372f87dca15ff3ddf37739eb33f1f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rusty-parens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval/scope.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn put(&mut self, name: &ToString, value: Expression) {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn ToString`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Regular`
[INFO] [stderr]   --> src/reader.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Regular(Vec<Expression>),
[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 1.99s
[INFO] running `"docker" "inspect" "ad45bf933b59cd84de4ee7019ac2ad37eca372f87dca15ff3ddf37739eb33f1f"`
[INFO] running `"docker" "rm" "-f" "ad45bf933b59cd84de4ee7019ac2ad37eca372f87dca15ff3ddf37739eb33f1f"`
[INFO] [stdout] ad45bf933b59cd84de4ee7019ac2ad37eca372f87dca15ff3ddf37739eb33f1f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fbf6b778ceebaee8cd70781554bbfb9f5bd1d089d29c59cf0c5eecbac2725eb
[INFO] running `"docker" "start" "-a" "5fbf6b778ceebaee8cd70781554bbfb9f5bd1d089d29c59cf0c5eecbac2725eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval/scope.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn put(&mut self, name: &ToString, value: Expression) {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn ToString`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Regular`
[INFO] [stderr]   --> src/reader.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Regular(Vec<Expression>),
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_parens-9e4e2226744932fa
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tokenizer::test::basic::should_ignore_trailing_whitespace_when_reading_numbers ... ok
[INFO] [stdout] test tokenizer::test::basic::should_ignore_leading_whitespace ... ok
[INFO] [stdout] test reader::test::should_read_nested_lists ... ok
[INFO] [stdout] test tokenizer::test::basic::should_read_integer ... ok
[INFO] [stdout] test reader::test::basic::should_read_float ... ok
[INFO] [stdout] test reader::test::basic::should_rad_list ... ok
[INFO] [stdout] test reader::test::basic::should_read_integer ... ok
[INFO] [stdout] test reader::test::basic::should_read_identifier ... ok
[INFO] [stdout] test tokenizer::test::basic::should_read_float ... ok
[INFO] [stdout] test reader::test::basic::should_read_string ... ok
[INFO] [stdout] test tokenizer::test::basic::should_read_string ... ok
[INFO] [stdout] test eval::test::basic::functions::should_eval_function_args ... ok
[INFO] [stdout] test tokenizer::test::should_escape_string_characters ... ok
[INFO] [stdout] test eval::test::basic::functions::should_return_error_when_evaluating_empty_list ... ok
[INFO] [stdout] test tokenizer::test::basic::should_read_identifier ... ok
[INFO] [stdout] test eval::test::basic::identifiers::should_return_proper_error_when_identifier_is_not_found ... ok
[INFO] [stdout] test eval::test::basic::functions::should_evaluate_functions ... ok
[INFO] [stdout] test eval::test::basic::identifiers::should_evaluate_identifiers ... ok
[INFO] [stdout] test tokenizer::test::should_read_function_call_with_arguments ... ok
[INFO] [stdout] test eval::test::basic::should_eval_values_to_themselves ... ok
[INFO] [stdout] test tokenizer::test::should_read_simple_function_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5fbf6b778ceebaee8cd70781554bbfb9f5bd1d089d29c59cf0c5eecbac2725eb"`
[INFO] running `"docker" "rm" "-f" "5fbf6b778ceebaee8cd70781554bbfb9f5bd1d089d29c59cf0c5eecbac2725eb"`
[INFO] [stdout] 5fbf6b778ceebaee8cd70781554bbfb9f5bd1d089d29c59cf0c5eecbac2725eb