[INFO] fetching crate monkey-interpreter 0.8.0...
[INFO] testing monkey-interpreter-0.8.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate monkey-interpreter 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate monkey-interpreter 0.8.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monkey-interpreter 0.8.0
[INFO] finished tweaking crates.io crate monkey-interpreter 0.8.0
[INFO] tweaked toml for crates.io crate monkey-interpreter 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate monkey-interpreter 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded monkey-object v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0f124e6d4174b7d850cb3b8a7a9bf6243c2c8b6c1bbcc532c26eb231d5da48
[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" "ab0f124e6d4174b7d850cb3b8a7a9bf6243c2c8b6c1bbcc532c26eb231d5da48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0f124e6d4174b7d850cb3b8a7a9bf6243c2c8b6c1bbcc532c26eb231d5da48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0f124e6d4174b7d850cb3b8a7a9bf6243c2c8b6c1bbcc532c26eb231d5da48", kill_on_drop: false }`
[INFO] [stdout] ab0f124e6d4174b7d850cb3b8a7a9bf6243c2c8b6c1bbcc532c26eb231d5da48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 1916c67df22d0368a4aa55d2aa82bdeb96abddf156e9d0959f241d7add2521b0
[INFO] running `Command { std: "docker" "start" "-a" "1916c67df22d0368a4aa55d2aa82bdeb96abddf156e9d0959f241d7add2521b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling phf v0.10.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling monkey-lexer v0.8.0
[INFO] [stderr]    Compiling monkey-parser v0.8.0
[INFO] [stderr]    Compiling monkey-object v0.8.0
[INFO] [stderr]    Compiling monkey-interpreter v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.03s
[INFO] running `Command { std: "docker" "inspect" "1916c67df22d0368a4aa55d2aa82bdeb96abddf156e9d0959f241d7add2521b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1916c67df22d0368a4aa55d2aa82bdeb96abddf156e9d0959f241d7add2521b0", kill_on_drop: false }`
[INFO] [stdout] 1916c67df22d0368a4aa55d2aa82bdeb96abddf156e9d0959f241d7add2521b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004ed5baa0654c739076682d347e358357bb0fad36ecf6ad3a3d5b6995339ddf
[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" "004ed5baa0654c739076682d347e358357bb0fad36ecf6ad3a3d5b6995339ddf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monkey-interpreter v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "004ed5baa0654c739076682d347e358357bb0fad36ecf6ad3a3d5b6995339ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004ed5baa0654c739076682d347e358357bb0fad36ecf6ad3a3d5b6995339ddf", kill_on_drop: false }`
[INFO] [stdout] 004ed5baa0654c739076682d347e358357bb0fad36ecf6ad3a3d5b6995339ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a71207ace2e091c7d5ec631a0bfef95a6c8217c20a680554353a567e1adfdb0b
[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" "a71207ace2e091c7d5ec631a0bfef95a6c8217c20a680554353a567e1adfdb0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interpreter-d54bba4f783e3f81)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey_interpreter-9ed3d4114d4d74da)
[INFO] [stdout] running 14 tests
[INFO] [stderr]    Doc-tests interpreter
[INFO] [stdout] test interpreter_test::tests::test_bang_operators ... ok
[INFO] [stdout] test interpreter_test::tests::test_boolean_expressions ... ok
[INFO] [stdout] test interpreter_test::tests::test_if_else_expressions ... ok
[INFO] [stdout] test interpreter_test::tests::test_array_index_expressions ... ok
[INFO] [stdout] test interpreter_test::tests::test_builtin_functions ... ok
[INFO] [stdout] test interpreter_test::tests::test_array_literals ... ok
[INFO] [stdout] test interpreter_test::tests::test_let_statements ... ok
[INFO] [stdout] test interpreter_test::tests::test_integer_expressions ... ok
[INFO] [stdout] test interpreter_test::tests::test_function_application ... ok
[INFO] [stdout] test interpreter_test::tests::test_function_object ... ok
[INFO] [stdout] test interpreter_test::tests::test_array_builtin_functions ... ok
[INFO] [stdout] test interpreter_test::tests::test_hash_index_expressions ... ok
[INFO] [stdout] test interpreter_test::tests::test_return_statements ... ok
[INFO] [stdout] test interpreter_test::tests::test_string_concatenation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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] [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" "a71207ace2e091c7d5ec631a0bfef95a6c8217c20a680554353a567e1adfdb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71207ace2e091c7d5ec631a0bfef95a6c8217c20a680554353a567e1adfdb0b", kill_on_drop: false }`
[INFO] [stdout] a71207ace2e091c7d5ec631a0bfef95a6c8217c20a680554353a567e1adfdb0b