[INFO] cloning repository https://github.com/j-arens/monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-arens/monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-arens%2Fmonkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-arens%2Fmonkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d9ff64bf4600d8e2ca70dfdf2fce4a7d984b397
[INFO] testing j-arens/monkey-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-arens%2Fmonkey-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-arens/monkey-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j-arens/monkey-rs
[INFO] finished tweaking git repo https://github.com/j-arens/monkey-rs
[INFO] tweaked toml for git repo https://github.com/j-arens/monkey-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/j-arens/monkey-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b84dd1bb62b6e0a7e4249bb1cf9892cc00e11317edbf4e3ff227f1d63f24d0db
[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" "b84dd1bb62b6e0a7e4249bb1cf9892cc00e11317edbf4e3ff227f1d63f24d0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b84dd1bb62b6e0a7e4249bb1cf9892cc00e11317edbf4e3ff227f1d63f24d0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84dd1bb62b6e0a7e4249bb1cf9892cc00e11317edbf4e3ff227f1d63f24d0db", kill_on_drop: false }`
[INFO] [stdout] b84dd1bb62b6e0a7e4249bb1cf9892cc00e11317edbf4e3ff227f1d63f24d0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 8f2cc5b48486e1219f044a6199df04a0c20283f7dd30e767e8c41edb0c0ed927
[INFO] running `Command { std: "docker" "start" "-a" "8f2cc5b48486e1219f044a6199df04a0c20283f7dd30e767e8c41edb0c0ed927", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.22.2
[INFO] [stderr]    Compiling fd-lock v3.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling rustyline v9.0.0
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.31s
[INFO] running `Command { std: "docker" "inspect" "8f2cc5b48486e1219f044a6199df04a0c20283f7dd30e767e8c41edb0c0ed927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2cc5b48486e1219f044a6199df04a0c20283f7dd30e767e8c41edb0c0ed927", kill_on_drop: false }`
[INFO] [stdout] 8f2cc5b48486e1219f044a6199df04a0c20283f7dd30e767e8c41edb0c0ed927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2086ef787ea8d2e9f2b7b514916dfd1a3b988e2fc9cf3acf3e309c1a0857820b
[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" "2086ef787ea8d2e9f2b7b514916dfd1a3b988e2fc9cf3acf3e309c1a0857820b", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "2086ef787ea8d2e9f2b7b514916dfd1a3b988e2fc9cf3acf3e309c1a0857820b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2086ef787ea8d2e9f2b7b514916dfd1a3b988e2fc9cf3acf3e309c1a0857820b", kill_on_drop: false }`
[INFO] [stdout] 2086ef787ea8d2e9f2b7b514916dfd1a3b988e2fc9cf3acf3e309c1a0857820b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] ecd64fd2b5eaf539e1d1d6a1ee0ae9303bdf16919c394822e80005c69a895135
[INFO] running `Command { std: "docker" "start" "-a" "ecd64fd2b5eaf539e1d1d6a1ee0ae9303bdf16919c394822e80005c69a895135", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey_rs-80226fb3844baa82)
[INFO] [stdout] running 43 tests
[INFO] [stdout] test built_in::tests::test_push ... ok
[INFO] [stdout] test eval::tests::test_evaluating_array_literal ... ok
[INFO] [stdout] test eval::tests::test_evaluating_boolean_expressions ... ok
[INFO] [stdout] test eval::tests::test_evaluating_built_in_first ... ok
[INFO] [stdout] test built_in::tests::test_rest ... ok
[INFO] [stdout] test built_in::tests::test_last ... ok
[INFO] [stdout] test built_in::tests::test_first ... ok
[INFO] [stdout] test built_in::tests::test_len ... ok
[INFO] [stdout] test eval::tests::test_evaluating_built_in_rest ... ok
[INFO] [stdout] test eval::tests::test_evaluating_if_else_expressions ... ok
[INFO] [stdout] test eval::tests::test_evaluating_hash_index ... ok
[INFO] [stdout] test eval::tests::test_evaluating_let_statements ... ok
[INFO] [stdout] test eval::tests::test_evaluating_hash_literal ... ok
[INFO] [stdout] test eval::tests::test_evaluating_string_literals ... ok
[INFO] [stdout] test eval::tests::test_function_application ... ok
[INFO] [stdout] test parser::tests::test_parsing_array_literal ... ok
[INFO] [stdout] test eval::tests::test_evaluating_integer_expressions ... ok
[INFO] [stdout] test eval::tests::test_evaluating_return_statements ... ok
[INFO] [stdout] test eval::tests::test_evaluating_array_index ... ok
[INFO] [stdout] test eval::tests::test_scope ... ok
[INFO] [stdout] test parser::tests::test_index_operator_precedence ... ok
[INFO] [stdout] test lexer::tests::test_tokenization ... ok
[INFO] [stdout] test eval::tests::test_evaluating_built_in_last ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence ... ok
[INFO] [stdout] test parser::tests::test_parsing_hash_literals ... ok
[INFO] [stdout] test parser::tests::test_parsing_function_literal ... ok
[INFO] [stdout] test eval::tests::test_evaluating_built_in_push ... ok
[INFO] [stdout] test parser::tests::test_parsing_call_expression ... ok
[INFO] [stdout] test eval::tests::test_evaluating_bang_operator ... ok
[INFO] [stdout] test parser::tests::test_parsing_boolean_expressions ... ok
[INFO] [stdout] test eval::tests::test_closure ... ok
[INFO] [stdout] test parser::tests::test_parsing_if_expression ... ok
[INFO] [stdout] test parser::tests::test_parsing_infix_expressions ... ok
[INFO] [stdout] test parser::tests::test_parsing_let_statements ... ok
[INFO] [stdout] test parser::tests::test_parsing_number_literal ... ok
[INFO] [stdout] test parser::tests::test_parsing_ident ... ok
[INFO] [stdout] test parser::tests::test_parsing_string_literal ... ok
[INFO] [stdout] test parser::tests::test_parsing_index_expressions ... ok
[INFO] [stdout] test parser::tests::test_parsing_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::test_parsing_return_statements ... ok
[INFO] [stdout] test scope::tests::test_getting_and_setting_bindings ... ok
[INFO] [stdout] test parser::tests::test_parsing_if_else_expression ... ok
[INFO] [stdout] test eval::tests::test_evaluating_built_in_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ecd64fd2b5eaf539e1d1d6a1ee0ae9303bdf16919c394822e80005c69a895135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd64fd2b5eaf539e1d1d6a1ee0ae9303bdf16919c394822e80005c69a895135", kill_on_drop: false }`
[INFO] [stdout] ecd64fd2b5eaf539e1d1d6a1ee0ae9303bdf16919c394822e80005c69a895135