[INFO] cloning repository https://github.com/VladYermakov/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VladYermakov/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7269d722e714f053041e0db8e28d22865cc09fb9
[INFO] testing VladYermakov/interpreter against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladYermakov%2Finterpreter" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VladYermakov/interpreter on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VladYermakov/interpreter
[INFO] finished tweaking git repo https://github.com/VladYermakov/interpreter
[INFO] tweaked toml for git repo https://github.com/VladYermakov/interpreter written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/VladYermakov/interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2687d8762f437438f33d97c4552db3ae9471757d9566134618919cf397250518
[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" "2687d8762f437438f33d97c4552db3ae9471757d9566134618919cf397250518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2687d8762f437438f33d97c4552db3ae9471757d9566134618919cf397250518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2687d8762f437438f33d97c4552db3ae9471757d9566134618919cf397250518", kill_on_drop: false }`
[INFO] [stdout] 2687d8762f437438f33d97c4552db3ae9471757d9566134618919cf397250518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76e3fed19f2764fe8449421f5e4ff489ba9e19fa7522e5a89b63301633e3e6d
[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" "f76e3fed19f2764fe8449421f5e4ff489ba9e19fa7522e5a89b63301633e3e6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `node_type`
[INFO] [stdout]    --> src/main.rs:476:8
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn node_type(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_text`
[INFO] [stdout]    --> src/main.rs:641:8
[INFO] [stdout]     |
[INFO] [stdout] 641 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_text`
[INFO] [stdout]     --> src/main.rs:1074:8
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inv`
[INFO] [stdout]   --> src/numbers/complex.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn inv(&self) -> Complex {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "f76e3fed19f2764fe8449421f5e4ff489ba9e19fa7522e5a89b63301633e3e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76e3fed19f2764fe8449421f5e4ff489ba9e19fa7522e5a89b63301633e3e6d", kill_on_drop: false }`
[INFO] [stdout] f76e3fed19f2764fe8449421f5e4ff489ba9e19fa7522e5a89b63301633e3e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f43ff66fa9637db769f2248163696e9bf92e80d441394ef3538724362ab5376a
[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" "f43ff66fa9637db769f2248163696e9bf92e80d441394ef3538724362ab5376a", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `node_type`
[INFO] [stdout]    --> src/main.rs:476:8
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn node_type(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "f43ff66fa9637db769f2248163696e9bf92e80d441394ef3538724362ab5376a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43ff66fa9637db769f2248163696e9bf92e80d441394ef3538724362ab5376a", kill_on_drop: false }`
[INFO] [stdout] f43ff66fa9637db769f2248163696e9bf92e80d441394ef3538724362ab5376a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ee6f9d0bd7054457cf3b7e8a227447a96e4747eed16e8139191a77a7f2f6c1a
[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" "4ee6f9d0bd7054457cf3b7e8a227447a96e4747eed16e8139191a77a7f2f6c1a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `node_type`
[INFO] [stderr]    --> src/main.rs:476:8
[INFO] [stderr]     |
[INFO] [stderr] 476 |     fn node_type(&self) -> String {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interpreter-56011023fbc8a780
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test numbers::tests::test_assign_ops ... ok
[INFO] [stdout] test numbers::tests::test_complex ... ok
[INFO] [stdout] test numbers::tests::test_cross_types_add ... ok
[INFO] [stdout] test numbers::tests::test_cross_types_div ... ok
[INFO] [stdout] test numbers::tests::test_cross_types_sub ... ok
[INFO] [stdout] test numbers::tests::test_default ... ok
[INFO] [stdout] test numbers::tests::test_cross_types_mul ... ok
[INFO] [stdout] test numbers::tests::test_integers ... ok
[INFO] [stdout] test numbers::tests::test_if ... ok
[INFO] [stdout] test numbers::tests::test_number_ops ... ok
[INFO] [stdout] test numbers::tests::test_naturals ... ok
[INFO] [stdout] test numbers::tests::test_rationals ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test numbers::tests::test_real ... ok
[INFO] [stdout] test tests::test_conditions ... ok
[INFO] [stdout] test tests::test_div ... ok
[INFO] [stdout] test tests::test_bad_numbers ... ok
[INFO] [stdout] test tests::test_add_with_spaces ... ok
[INFO] [stdout] test tests::test_function_with_arguments ... ok
[INFO] [stdout] test tests::test_function ... ok
[INFO] [stdout] test tests::test_if ... ok
[INFO] [stdout] test tests::test_ops ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_parentheses ... ok
[INFO] [stdout] test tests::test_number ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_priority ... ok
[INFO] [stdout] test tests::test_multiline ... ok
[INFO] [stdout] test tests::test_unary ... ok
[INFO] [stdout] test numbers::tests::test_cross_type_assign_ops ... ok
[INFO] [stdout] test tests::test_long ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ee6f9d0bd7054457cf3b7e8a227447a96e4747eed16e8139191a77a7f2f6c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee6f9d0bd7054457cf3b7e8a227447a96e4747eed16e8139191a77a7f2f6c1a", kill_on_drop: false }`
[INFO] [stdout] 4ee6f9d0bd7054457cf3b7e8a227447a96e4747eed16e8139191a77a7f2f6c1a