[INFO] updating cached repository https://github.com/sstelfox/rust_interpreter
[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] 2a39074c40590a264981eeb3b7be1202facb3747
[INFO] testing sstelfox/rust_interpreter against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsstelfox%2Frust_interpreter" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sstelfox/rust_interpreter on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sstelfox/rust_interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 315555e9e4e25149ed7bdc72d1660f3740fb0569a0d21045544fc0a0cd6257ca
[INFO] running `"docker" "start" "-a" "315555e9e4e25149ed7bdc72d1660f3740fb0569a0d21045544fc0a0cd6257ca"`
[INFO] [stderr]    Compiling rust_interpreter v0.1.0 (/opt/rustwide/workdir)
[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: method is never used: `new`
[INFO] [stderr]    --> src/lexer.rs:344:5
[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 dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "315555e9e4e25149ed7bdc72d1660f3740fb0569a0d21045544fc0a0cd6257ca"`
[INFO] running `"docker" "rm" "-f" "315555e9e4e25149ed7bdc72d1660f3740fb0569a0d21045544fc0a0cd6257ca"`
[INFO] [stdout] 315555e9e4e25149ed7bdc72d1660f3740fb0569a0d21045544fc0a0cd6257ca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 6e037881b00f766709bda7fd765f5c53f92361d10377ecccd4f371e045f1737b
[INFO] running `"docker" "start" "-a" "6e037881b00f766709bda7fd765f5c53f92361d10377ecccd4f371e045f1737b"`
[INFO] [stderr]    Compiling rust_interpreter v0.1.0 (/opt/rustwide/workdir)
[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: method is never used: `new`
[INFO] [stderr]    --> src/lexer.rs:344:5
[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 7.57s
[INFO] running `"docker" "inspect" "6e037881b00f766709bda7fd765f5c53f92361d10377ecccd4f371e045f1737b"`
[INFO] running `"docker" "rm" "-f" "6e037881b00f766709bda7fd765f5c53f92361d10377ecccd4f371e045f1737b"`
[INFO] [stdout] 6e037881b00f766709bda7fd765f5c53f92361d10377ecccd4f371e045f1737b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 50a04bf22686385d515db5d09c0c77a41b3404c1e182a521eb1aedbe801d1b8a
[INFO] running `"docker" "start" "-a" "50a04bf22686385d515db5d09c0c77a41b3404c1e182a521eb1aedbe801d1b8a"`
[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: method is never used: `new`
[INFO] [stderr]    --> src/lexer.rs:344:5
[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 1.62s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_interpreter-cb04af8470e41dd5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::tests::test_lexing_numerics ... ok
[INFO] [stdout] test lexer::tests::test_errored_input ... 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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "50a04bf22686385d515db5d09c0c77a41b3404c1e182a521eb1aedbe801d1b8a"`
[INFO] running `"docker" "rm" "-f" "50a04bf22686385d515db5d09c0c77a41b3404c1e182a521eb1aedbe801d1b8a"`
[INFO] [stdout] 50a04bf22686385d515db5d09c0c77a41b3404c1e182a521eb1aedbe801d1b8a