[INFO] updating cached repository https://github.com/fromheten/plato
[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] 5b6cc48fa80eb224eb632dd3ad2353a24abfa146
[INFO] building fromheten/plato against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffromheten%2Fplato" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fromheten/plato 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/fromheten/plato
[INFO] finished tweaking git repo https://github.com/fromheten/plato
[INFO] tweaked toml for git repo https://github.com/fromheten/plato written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fromheten/plato 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 986c2dce1020a6f3f0a890325019c808215ea1198cd051e643bada607e1a3288
[INFO] running `"docker" "start" "-a" "986c2dce1020a6f3f0a890325019c808215ea1198cd051e643bada607e1a3288"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling rpds v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling sha3 v0.7.2
[INFO] [stderr]    Compiling plato v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `type_of`
[INFO] [stderr]    --> src/main.rs:562:4
[INFO] [stderr]     |
[INFO] [stderr] 562 | fn type_of(expression: &Expression) -> &str {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `evaluate`
[INFO] [stderr]    --> src/main.rs:572:4
[INFO] [stderr]     |
[INFO] [stderr] 572 | fn evaluate(expression_given: Expression, context_given: Expression) -> Option<Expression> {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `given_arguments`
[INFO] [stderr]    --> src/main.rs:663:4
[INFO] [stderr]     |
[INFO] [stderr] 663 | fn given_arguments(lambda_call_expression: &Expression) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lambda_args`
[INFO] [stderr]    --> src/main.rs:667:4
[INFO] [stderr]     |
[INFO] [stderr] 667 | fn lambda_args(lambda_call_expression: &Expression) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lambda_body`
[INFO] [stderr]    --> src/main.rs:671:4
[INFO] [stderr]     |
[INFO] [stderr] 671 | fn lambda_body(lambda_call_expression: &Expression) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rest_no_evaluate`
[INFO] [stderr]    --> src/main.rs:675:4
[INFO] [stderr]     |
[INFO] [stderr] 675 | fn rest_no_evaluate(e: Expression) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rest`
[INFO] [stderr]    --> src/main.rs:692:4
[INFO] [stderr]     |
[INFO] [stderr] 692 | fn rest(e: Expression, context: Expression) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `zipmap`
[INFO] [stderr]    --> src/main.rs:719:4
[INFO] [stderr]     |
[INFO] [stderr] 719 | fn zipmap(vec0: Expression, vec1: Expression) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `nth_vector`
[INFO] [stderr]    --> src/main.rs:744:4
[INFO] [stderr]     |
[INFO] [stderr] 744 | fn nth_vector(e: Expression, n: usize) -> Result<Expression, String> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_test`
[INFO] [stderr]    --> src/main.rs:751:4
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn eval_test(source_str: &str, context_source: &str, expectation: &str) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `id`
[INFO] [stderr]    --> src/main.rs:859:4
[INFO] [stderr]     |
[INFO] [stderr] 859 | fn id(expression: &Expression) -> String {
[INFO] [stderr]     |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `"docker" "inspect" "986c2dce1020a6f3f0a890325019c808215ea1198cd051e643bada607e1a3288"`
[INFO] running `"docker" "rm" "-f" "986c2dce1020a6f3f0a890325019c808215ea1198cd051e643bada607e1a3288"`
[INFO] [stdout] 986c2dce1020a6f3f0a890325019c808215ea1198cd051e643bada607e1a3288
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ea2c7d2d54d320d8c7e315c013367e9b590d2f092ac6d4f3222d3aaac99abd08
[INFO] running `"docker" "start" "-a" "ea2c7d2d54d320d8c7e315c013367e9b590d2f092ac6d4f3222d3aaac99abd08"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling plato v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "ea2c7d2d54d320d8c7e315c013367e9b590d2f092ac6d4f3222d3aaac99abd08"`
[INFO] running `"docker" "rm" "-f" "ea2c7d2d54d320d8c7e315c013367e9b590d2f092ac6d4f3222d3aaac99abd08"`
[INFO] [stdout] ea2c7d2d54d320d8c7e315c013367e9b590d2f092ac6d4f3222d3aaac99abd08