[INFO] cloning repository https://github.com/irtfrm/monkey-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irtfrm/monkey-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firtfrm%2Fmonkey-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firtfrm%2Fmonkey-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fecc6a81b851169935d26a1b0674852e74a99cb
[INFO] testing irtfrm/monkey-interpreter against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firtfrm%2Fmonkey-interpreter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irtfrm/monkey-interpreter on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irtfrm/monkey-interpreter
[INFO] finished tweaking git repo https://github.com/irtfrm/monkey-interpreter
[INFO] tweaked toml for git repo https://github.com/irtfrm/monkey-interpreter written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/irtfrm/monkey-interpreter 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing irtfrm/monkey-interpreter against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firtfrm%2Fmonkey-interpreter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irtfrm/monkey-interpreter on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irtfrm/monkey-interpreter
[INFO] finished tweaking git repo https://github.com/irtfrm/monkey-interpreter
[INFO] tweaked toml for git repo https://github.com/irtfrm/monkey-interpreter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/irtfrm/monkey-interpreter 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e4e1eeeb8c3164c60cc900fa480c91e654be88689d465cbaa58e036820b82bd
[INFO] running `Command { std: "docker" "start" "-a" "6e4e1eeeb8c3164c60cc900fa480c91e654be88689d465cbaa58e036820b82bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4e1eeeb8c3164c60cc900fa480c91e654be88689d465cbaa58e036820b82bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4e1eeeb8c3164c60cc900fa480c91e654be88689d465cbaa58e036820b82bd", kill_on_drop: false }`
[INFO] [stdout] 6e4e1eeeb8c3164c60cc900fa480c91e654be88689d465cbaa58e036820b82bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c98c4424d272117752342e4a3aa5744be7e82d6056afdaac1381273b1439a1d1
[INFO] running `Command { std: "docker" "start" "-a" "c98c4424d272117752342e4a3aa5744be7e82d6056afdaac1381273b1439a1d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     NOT_EQ,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]   --> src/ast.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct LetStatement {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 30 |     token: token::Token,
[INFO] [stdout] 31 |     name: Identifier,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     value: dyn Expression,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Identifier {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 44 |     token: token::Token,
[INFO] [stdout] 45 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "c98c4424d272117752342e4a3aa5744be7e82d6056afdaac1381273b1439a1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98c4424d272117752342e4a3aa5744be7e82d6056afdaac1381273b1439a1d1", kill_on_drop: false }`
[INFO] [stdout] c98c4424d272117752342e4a3aa5744be7e82d6056afdaac1381273b1439a1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678bb778c7e94ece68339185ab0ae3b95200699f813e7157187fb1c2cdbf164e
[INFO] running `Command { std: "docker" "start" "-a" "678bb778c7e94ece68339185ab0ae3b95200699f813e7157187fb1c2cdbf164e", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     NOT_EQ,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]   --> src/ast.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct LetStatement {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 30 |     token: token::Token,
[INFO] [stdout] 31 |     name: Identifier,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     value: dyn Expression,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Identifier {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 44 |     token: token::Token,
[INFO] [stdout] 45 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "678bb778c7e94ece68339185ab0ae3b95200699f813e7157187fb1c2cdbf164e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678bb778c7e94ece68339185ab0ae3b95200699f813e7157187fb1c2cdbf164e", kill_on_drop: false }`
[INFO] [stdout] 678bb778c7e94ece68339185ab0ae3b95200699f813e7157187fb1c2cdbf164e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af9de4d358b1b95c0c6a3f49e8f9f369d3f1729104280970b8048185e39595bf
[INFO] running `Command { std: "docker" "start" "-a" "af9de4d358b1b95c0c6a3f49e8f9f369d3f1729104280970b8048185e39595bf", kill_on_drop: false }`
[INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     NOT_EQ,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `value` are never read
[INFO] [stderr]   --> src/ast.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct LetStatement {
[INFO] [stderr]    |        ------------ fields in this struct
[INFO] [stderr] 30 |     token: token::Token,
[INFO] [stderr] 31 |     name: Identifier,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 32 |     value: dyn Expression,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/ast.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Identifier {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] 44 |     token: token::Token,
[INFO] [stderr] 45 |     value: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey-interpreter` (bin "monkey-interpreter" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey_interpreter-29e92e25c3966dfd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::test::test_next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af9de4d358b1b95c0c6a3f49e8f9f369d3f1729104280970b8048185e39595bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9de4d358b1b95c0c6a3f49e8f9f369d3f1729104280970b8048185e39595bf", kill_on_drop: false }`
[INFO] [stdout] af9de4d358b1b95c0c6a3f49e8f9f369d3f1729104280970b8048185e39595bf