[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 1.49.0 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-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VladYermakov/interpreter on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-7/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] 545ea3e1e908f3f25a89ad45d5c24f84a888283d3eccdebc793bfe0a2ed3a109
[INFO] running `Command { std: "docker" "start" "-a" "545ea3e1e908f3f25a89ad45d5c24f84a888283d3eccdebc793bfe0a2ed3a109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545ea3e1e908f3f25a89ad45d5c24f84a888283d3eccdebc793bfe0a2ed3a109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545ea3e1e908f3f25a89ad45d5c24f84a888283d3eccdebc793bfe0a2ed3a109", kill_on_drop: false }`
[INFO] [stdout] 545ea3e1e908f3f25a89ad45d5c24f84a888283d3eccdebc793bfe0a2ed3a109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c0f06747ea10c32f9355c95552487aa6be0ff9793ca410c86dd4a661fa558d
[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" "51c0f06747ea10c32f9355c95552487aa6be0ff9793ca410c86dd4a661fa558d", 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 4.05s
[INFO] running `Command { std: "docker" "inspect" "51c0f06747ea10c32f9355c95552487aa6be0ff9793ca410c86dd4a661fa558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c0f06747ea10c32f9355c95552487aa6be0ff9793ca410c86dd4a661fa558d", kill_on_drop: false }`
[INFO] [stdout] 51c0f06747ea10c32f9355c95552487aa6be0ff9793ca410c86dd4a661fa558d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5df1e54682a91944ca2f7e05e7fc885c8faa19d302c056593bd6a2e58b9497a
[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" "f5df1e54682a91944ca2f7e05e7fc885c8faa19d302c056593bd6a2e58b9497a", 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 3.49s
[INFO] running `Command { std: "docker" "inspect" "f5df1e54682a91944ca2f7e05e7fc885c8faa19d302c056593bd6a2e58b9497a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5df1e54682a91944ca2f7e05e7fc885c8faa19d302c056593bd6a2e58b9497a", kill_on_drop: false }`
[INFO] [stdout] f5df1e54682a91944ca2f7e05e7fc885c8faa19d302c056593bd6a2e58b9497a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faf18dc0a560dd6a67b0ef1c3474d6f223b5889e6465c58b6086f1a1ee378cfa
[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" "faf18dc0a560dd6a67b0ef1c3474d6f223b5889e6465c58b6086f1a1ee378cfa", 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interpreter-66a09f695f818fd2
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test numbers::tests::test_assign_ops ... 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_mul ... ok
[INFO] [stdout] test numbers::tests::test_cross_types_sub ... ok
[INFO] [stdout] test numbers::tests::test_integers ... ok
[INFO] [stdout] test numbers::tests::test_naturals ... ok
[INFO] [stdout] test numbers::tests::test_number_ops ... ok
[INFO] [stdout] test numbers::tests::test_rationals ... ok
[INFO] [stdout] test numbers::tests::test_real ... ok
[INFO] [stdout] test tests::test_add_with_spaces ... ok
[INFO] [stdout] test tests::test_function_with_arguments ... ok
[INFO] [stdout] test tests::test_conditions ... ok
[INFO] [stdout] test tests::test_if ... ok
[INFO] [stdout] test tests::test_function ... ok
[INFO] [stdout] test tests::test_long ... ok
[INFO] [stdout] test tests::test_bad_numbers ... ok
[INFO] [stdout] test tests::test_div ... ok
[INFO] [stdout] test tests::test_multiline ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_number ... ok
[INFO] [stdout] test tests::test_unary ... ok
[INFO] [stdout] test tests::test_ops ... ok
[INFO] [stdout] test tests::test_priority ... ok
[INFO] [stdout] test numbers::tests::test_default ... ok
[INFO] [stdout] test tests::test_parentheses ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test numbers::tests::test_cross_type_assign_ops ... ok
[INFO] [stdout] test numbers::tests::test_if ... ok
[INFO] [stdout] test numbers::tests::test_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faf18dc0a560dd6a67b0ef1c3474d6f223b5889e6465c58b6086f1a1ee378cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf18dc0a560dd6a67b0ef1c3474d6f223b5889e6465c58b6086f1a1ee378cfa", kill_on_drop: false }`
[INFO] [stdout] faf18dc0a560dd6a67b0ef1c3474d6f223b5889e6465c58b6086f1a1ee378cfa