[INFO] cloning repository https://github.com/Toasa/monkey_by_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Toasa/monkey_by_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToasa%2Fmonkey_by_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToasa%2Fmonkey_by_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1a11dde471394148a8b3f887b5b380bf09e9683
[INFO] testing Toasa/monkey_by_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToasa%2Fmonkey_by_rust" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Toasa/monkey_by_rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Toasa/monkey_by_rust
[INFO] finished tweaking git repo https://github.com/Toasa/monkey_by_rust
[INFO] tweaked toml for git repo https://github.com/Toasa/monkey_by_rust written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/Toasa/monkey_by_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 762771b689357a1158c2e28fb0b2f5c6bed12011d4175c64a63a4d62d433a896
[INFO] running `Command { std: "docker" "start" "-a" "762771b689357a1158c2e28fb0b2f5c6bed12011d4175c64a63a4d62d433a896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "762771b689357a1158c2e28fb0b2f5c6bed12011d4175c64a63a4d62d433a896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762771b689357a1158c2e28fb0b2f5c6bed12011d4175c64a63a4d62d433a896", kill_on_drop: false }`
[INFO] [stdout] 762771b689357a1158c2e28fb0b2f5c6bed12011d4175c64a63a4d62d433a896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9555a9567d4789b6e30e82e0f7bba141b84af5b678430dcfe64d204ba103750
[INFO] running `Command { std: "docker" "start" "-a" "a9555a9567d4789b6e30e82e0f7bba141b84af5b678430dcfe64d204ba103750", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey_by_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "a9555a9567d4789b6e30e82e0f7bba141b84af5b678430dcfe64d204ba103750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9555a9567d4789b6e30e82e0f7bba141b84af5b678430dcfe64d204ba103750", kill_on_drop: false }`
[INFO] [stdout] a9555a9567d4789b6e30e82e0f7bba141b84af5b678430dcfe64d204ba103750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 965d6eeb375bcc10bd3e897734428155b594386b23dedada60b986dd39b3d29f
[INFO] running `Command { std: "docker" "start" "-a" "965d6eeb375bcc10bd3e897734428155b594386b23dedada60b986dd39b3d29f", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey_by_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "965d6eeb375bcc10bd3e897734428155b594386b23dedada60b986dd39b3d29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965d6eeb375bcc10bd3e897734428155b594386b23dedada60b986dd39b3d29f", kill_on_drop: false }`
[INFO] [stdout] 965d6eeb375bcc10bd3e897734428155b594386b23dedada60b986dd39b3d29f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9fb313ac19a6a4bd8f913b70be7b03534f0e6b3667e2ce6d84a17c053d3347d
[INFO] running `Command { std: "docker" "start" "-a" "d9fb313ac19a6a4bd8f913b70be7b03534f0e6b3667e2ce6d84a17c053d3347d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey_by_rust-dc3aacc879b1fa83)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test eval::test::eval_func ... ok
[INFO] [stdout] test lexer::test::tokenize2 ... ok
[INFO] [stdout] test eval::test::eval_int ... ok
[INFO] [stdout] test eval::test::eval_call ... ok
[INFO] [stdout] test eval::test::eval_let ... ok
[INFO] [stdout] test parser::test::ident_expr ... ok
[INFO] [stdout] test lexer::test::tokenize1 ... ok
[INFO] [stdout] test parser::test::prefix_exprs ... ok
[INFO] [stdout] test eval::test::eval_if ... ok
[INFO] [stdout] test eval::test::eval_bool ... ok
[INFO] [stdout] test eval::test::eval_bang ... ok
[INFO] [stdout] test parser::test::fn_expr ... ok
[INFO] [stdout] test parser::test::infix_exprs ... ok
[INFO] [stdout] test parser::test::int_expr ... ok
[INFO] [stdout] test parser::test::boolean_expr ... ok
[INFO] [stdout] test parser::test::call_expr ... ok
[INFO] [stdout] test parser::test::if_expr ... ok
[INFO] [stdout] test parser::test::let_stmts ... ok
[INFO] [stdout] test parser::test::operator_precedence ... ok
[INFO] [stdout] test eval::test::eval_return ... ok
[INFO] [stdout] test parser::test::return_stmts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey_by_rust-1cd36bdb2d8af067)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test eval::test::eval_bang ... ok
[INFO] [stdout] test eval::test::eval_bool ... ok
[INFO] [stdout] test eval::test::eval_func ... ok
[INFO] [stdout] test lexer::test::tokenize1 ... ok
[INFO] [stdout] test eval::test::eval_let ... ok
[INFO] [stdout] test eval::test::eval_int ... ok
[INFO] [stdout] test eval::test::eval_return ... ok
[INFO] [stdout] test lexer::test::tokenize2 ... ok
[INFO] [stdout] test parser::test::boolean_expr ... ok
[INFO] [stdout] test parser::test::ident_expr ... ok
[INFO] [stdout] test eval::test::eval_if ... ok
[INFO] [stdout] test parser::test::fn_expr ... ok
[INFO] [stdout] test parser::test::return_stmts ... ok
[INFO] [stdout] test parser::test::infix_exprs ... ok
[INFO] [stdout] test eval::test::eval_call ... ok
[INFO] [stdout] test parser::test::int_expr ... ok
[INFO] [stdout] test parser::test::if_expr ... ok
[INFO] [stdout] test parser::test::call_expr ... ok
[INFO] [stdout] test parser::test::prefix_exprs ... ok
[INFO] [stdout] test parser::test::let_stmts ... ok
[INFO] [stdout] test parser::test::operator_precedence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monkey_by_rust
[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" "d9fb313ac19a6a4bd8f913b70be7b03534f0e6b3667e2ce6d84a17c053d3347d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fb313ac19a6a4bd8f913b70be7b03534f0e6b3667e2ce6d84a17c053d3347d", kill_on_drop: false }`
[INFO] [stdout] d9fb313ac19a6a4bd8f913b70be7b03534f0e6b3667e2ce6d84a17c053d3347d