[INFO] cloning repository https://github.com/sstelfox/rust_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sstelfox/rust_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsstelfox%2Frust_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsstelfox%2Frust_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a39074c40590a264981eeb3b7be1202facb3747
[INFO] testing sstelfox/rust_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%2Fsstelfox%2Frust_interpreter" "/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/sstelfox/rust_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/sstelfox/rust_interpreter
[INFO] finished tweaking git repo https://github.com/sstelfox/rust_interpreter
[INFO] tweaked toml for git repo https://github.com/sstelfox/rust_interpreter written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sstelfox/rust_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-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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc68f8872b4dc53417263bb7b8f7e293aabc6e0ae810950ed60e8bbe09383ea
[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" "3cc68f8872b4dc53417263bb7b8f7e293aabc6e0ae810950ed60e8bbe09383ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc68f8872b4dc53417263bb7b8f7e293aabc6e0ae810950ed60e8bbe09383ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc68f8872b4dc53417263bb7b8f7e293aabc6e0ae810950ed60e8bbe09383ea", kill_on_drop: false }`
[INFO] [stdout] 3cc68f8872b4dc53417263bb7b8f7e293aabc6e0ae810950ed60e8bbe09383ea
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] d15bc94b80e6c6f4f9586271bb324a1a03506f217c1fa0584bdfe447dea2127c
[INFO] running `Command { std: "docker" "start" "-a" "d15bc94b80e6c6f4f9586271bb324a1a03506f217c1fa0584bdfe447dea2127c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidCharacter`
[INFO] [stdout]  --> src/errors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidCharacter(Token),
[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: `new`
[INFO] [stdout]    --> src/lexer.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "d15bc94b80e6c6f4f9586271bb324a1a03506f217c1fa0584bdfe447dea2127c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15bc94b80e6c6f4f9586271bb324a1a03506f217c1fa0584bdfe447dea2127c", kill_on_drop: false }`
[INFO] [stdout] d15bc94b80e6c6f4f9586271bb324a1a03506f217c1fa0584bdfe447dea2127c
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 328f04890bec01b3d77886f352ddd82aea77cb9ca409bc0390ab82ff8e374b90
[INFO] running `Command { std: "docker" "start" "-a" "328f04890bec01b3d77886f352ddd82aea77cb9ca409bc0390ab82ff8e374b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidCharacter`
[INFO] [stdout]  --> src/errors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidCharacter(Token),
[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: `new`
[INFO] [stdout]    --> src/lexer.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "328f04890bec01b3d77886f352ddd82aea77cb9ca409bc0390ab82ff8e374b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328f04890bec01b3d77886f352ddd82aea77cb9ca409bc0390ab82ff8e374b90", kill_on_drop: false }`
[INFO] [stdout] 328f04890bec01b3d77886f352ddd82aea77cb9ca409bc0390ab82ff8e374b90
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce233d6c3101da0866a8a0d1f090db965bdd6da8a51f2ca7aa8bf8b4e0e6a17a
[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" "ce233d6c3101da0866a8a0d1f090db965bdd6da8a51f2ca7aa8bf8b4e0e6a17a", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `InvalidCharacter`
[INFO] [stderr]  --> src/errors.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     InvalidCharacter(Token),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lexer.rs:344:12
[INFO] [stderr]     |
[INFO] [stderr] 344 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_interpreter-98ab96c5c1585086
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::tests::test_errored_input ... ok
[INFO] [stdout] test lexer::tests::test_lexing_numerics ... ok
[INFO] [stdout] test lexer::tests::test_reserved_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce233d6c3101da0866a8a0d1f090db965bdd6da8a51f2ca7aa8bf8b4e0e6a17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce233d6c3101da0866a8a0d1f090db965bdd6da8a51f2ca7aa8bf8b4e0e6a17a", kill_on_drop: false }`
[INFO] [stdout] ce233d6c3101da0866a8a0d1f090db965bdd6da8a51f2ca7aa8bf8b4e0e6a17a