[INFO] cloning repository https://github.com/titusdmoore/interpreter-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/titusdmoore/interpreter-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitusdmoore%2Finterpreter-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitusdmoore%2Finterpreter-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49681e44ec6c0d1f8ff9336d91750e6e717d947c
[INFO] testing titusdmoore/interpreter-book against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitusdmoore%2Finterpreter-book" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/titusdmoore/interpreter-book
[INFO] finished tweaking git repo https://github.com/titusdmoore/interpreter-book
[INFO] tweaked toml for git repo https://github.com/titusdmoore/interpreter-book written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/titusdmoore/interpreter-book on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/titusdmoore/interpreter-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0074d4b079b71d6822de4f47b3264ac2301bf197555f981f71a98170a69a00
[INFO] running `Command { std: "docker" "start" "-a" "2b0074d4b079b71d6822de4f47b3264ac2301bf197555f981f71a98170a69a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0074d4b079b71d6822de4f47b3264ac2301bf197555f981f71a98170a69a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0074d4b079b71d6822de4f47b3264ac2301bf197555f981f71a98170a69a00", kill_on_drop: false }`
[INFO] [stdout] 2b0074d4b079b71d6822de4f47b3264ac2301bf197555f981f71a98170a69a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2c6504e33dc7b6b1e61572c88ca6bc6b3ecee04860d8a06e85eadd09f1431a
[INFO] running `Command { std: "docker" "start" "-a" "5d2c6504e33dc7b6b1e61572c88ca6bc6b3ecee04860d8a06e85eadd09f1431a", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Tokens` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Tokens {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_token` is never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Tokens {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 29 |     fn to_token(token_str: String) -> Tokens {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "5d2c6504e33dc7b6b1e61572c88ca6bc6b3ecee04860d8a06e85eadd09f1431a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2c6504e33dc7b6b1e61572c88ca6bc6b3ecee04860d8a06e85eadd09f1431a", kill_on_drop: false }`
[INFO] [stdout] 5d2c6504e33dc7b6b1e61572c88ca6bc6b3ecee04860d8a06e85eadd09f1431a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846b6f819b8ddc2278fa05e2cca45b59b95594c74a252338073b311be8a03876
[INFO] running `Command { std: "docker" "start" "-a" "846b6f819b8ddc2278fa05e2cca45b59b95594c74a252338073b311be8a03876", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Tokens` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Tokens {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_token` is never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Tokens {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 29 |     fn to_token(token_str: String) -> Tokens {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "846b6f819b8ddc2278fa05e2cca45b59b95594c74a252338073b311be8a03876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846b6f819b8ddc2278fa05e2cca45b59b95594c74a252338073b311be8a03876", kill_on_drop: false }`
[INFO] [stdout] 846b6f819b8ddc2278fa05e2cca45b59b95594c74a252338073b311be8a03876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1186b4aa1b41888ce19781524e85192c4b47ffc9ae25662bc9fc0b856fbdbf27
[INFO] running `Command { std: "docker" "start" "-a" "1186b4aa1b41888ce19781524e85192c4b47ffc9ae25662bc9fc0b856fbdbf27", kill_on_drop: false }`
[INFO] [stderr] warning: enum `Tokens` is never used
[INFO] [stderr]  --> src/main.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Tokens {
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `to_token` is never used
[INFO] [stderr]   --> src/main.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Tokens {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 29 |     fn to_token(token_str: String) -> Tokens {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `interpreter` (bin "interpreter" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/interpreter-cda840868051bb7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::tests::test_lexer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/interpreter-10d2e44d70b83cec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interpreter
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1186b4aa1b41888ce19781524e85192c4b47ffc9ae25662bc9fc0b856fbdbf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1186b4aa1b41888ce19781524e85192c4b47ffc9ae25662bc9fc0b856fbdbf27", kill_on_drop: false }`
[INFO] [stdout] 1186b4aa1b41888ce19781524e85192c4b47ffc9ae25662bc9fc0b856fbdbf27