[INFO] cloning repository https://github.com/KarimIbrahim/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/KarimIbrahim/monkey_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarimIbrahim%2Fmonkey_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarimIbrahim%2Fmonkey_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6684d9d9ae257dbc81e6941afef8247b0d915e1
[INFO] checking KarimIbrahim/monkey_interpreter against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarimIbrahim%2Fmonkey_interpreter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KarimIbrahim/monkey_interpreter
[INFO] finished tweaking git repo https://github.com/KarimIbrahim/monkey_interpreter
[INFO] tweaked toml for git repo https://github.com/KarimIbrahim/monkey_interpreter written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KarimIbrahim/monkey_interpreter on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KarimIbrahim/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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 810d606d64f96394902c2aa6e7ada77437ff759ab56966f6423a2cbba9bba9c9
[INFO] running `Command { std: "docker" "start" "-a" "810d606d64f96394902c2aa6e7ada77437ff759ab56966f6423a2cbba9bba9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810d606d64f96394902c2aa6e7ada77437ff759ab56966f6423a2cbba9bba9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810d606d64f96394902c2aa6e7ada77437ff759ab56966f6423a2cbba9bba9c9", kill_on_drop: false }`
[INFO] [stdout] 810d606d64f96394902c2aa6e7ada77437ff759ab56966f6423a2cbba9bba9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8f247c4be55ee69101b764fa9e19a1d5a1ff8e998452b9bc3b6fed86ca2343e
[INFO] running `Command { std: "docker" "start" "-a" "a8f247c4be55ee69101b764fa9e19a1d5a1ff8e998452b9bc3b6fed86ca2343e", kill_on_drop: false }`
[INFO] [stderr]     Checking whoami v1.4.1
[INFO] [stderr]     Checking unindent v0.2.1
[INFO] [stderr]     Checking monkey_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/object.rs:251:18
[INFO] [stdout]     |
[INFO] [stdout] 251 |             ) => l_fun == r_fun,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 251 -             ) => l_fun == r_fun,
[INFO] [stdout] 251 +             ) => std::ptr::fn_addr_eq(*l_fun, *r_fun),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/object.rs:251:18
[INFO] [stdout]     |
[INFO] [stdout] 251 |             ) => l_fun == r_fun,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 251 -             ) => l_fun == r_fun,
[INFO] [stdout] 251 +             ) => std::ptr::fn_addr_eq(*l_fun, *r_fun),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> tests/parser_test.rs:416:27
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let type_id = expected.deref().type_id();
[INFO] [stdout]     |                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `dyn Any` does not implement `Deref`, so calling `deref` on `&dyn Any` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a8f247c4be55ee69101b764fa9e19a1d5a1ff8e998452b9bc3b6fed86ca2343e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f247c4be55ee69101b764fa9e19a1d5a1ff8e998452b9bc3b6fed86ca2343e", kill_on_drop: false }`
[INFO] [stdout] a8f247c4be55ee69101b764fa9e19a1d5a1ff8e998452b9bc3b6fed86ca2343e