[INFO] cloning repository https://github.com/dorakueyon/rust-monkey-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dorakueyon/rust-monkey-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdorakueyon%2Frust-monkey-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdorakueyon%2Frust-monkey-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 997aa38e248e75d63a1f4300e439827061998f3d
[INFO] checking dorakueyon/rust-monkey-compiler against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdorakueyon%2Frust-monkey-compiler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dorakueyon/rust-monkey-compiler
[INFO] finished tweaking git repo https://github.com/dorakueyon/rust-monkey-compiler
[INFO] tweaked toml for git repo https://github.com/dorakueyon/rust-monkey-compiler written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dorakueyon/rust-monkey-compiler on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dorakueyon/rust-monkey-compiler 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71aa616fce05a98eb555834fd4de93e223861d4e34f3b924963e883f441cb983
[INFO] running `Command { std: "docker" "start" "-a" "71aa616fce05a98eb555834fd4de93e223861d4e34f3b924963e883f441cb983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71aa616fce05a98eb555834fd4de93e223861d4e34f3b924963e883f441cb983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71aa616fce05a98eb555834fd4de93e223861d4e34f3b924963e883f441cb983", kill_on_drop: false }`
[INFO] [stdout] 71aa616fce05a98eb555834fd4de93e223861d4e34f3b924963e883f441cb983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 691196394b17c144b0f75d13c4e288102cb5a93f10138669c3894c85d167783d
[INFO] running `Command { std: "docker" "start" "-a" "691196394b17c144b0f75d13c4e288102cb5a93f10138669c3894c85d167783d", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-mini-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Lexer` and `Parser`
[INFO] [stdout]  --> src/evaluator.rs:2:76
[INFO] [stdout]   |
[INFO] [stdout] 2 |     BlockStatement, Environment, Errors, Expression, HashPair, Identifier, Lexer, Object, Parser,
[INFO] [stdout]   |                                                                            ^^^^^          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug, PartialEq, Clone, Eq, Ord, PartialOrd)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |         func: fn(Vec<Object>) -> Object,
[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] 
[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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug, PartialEq, Clone, Eq, Ord, PartialOrd)]
[INFO] [stdout]    |                                       --- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |         func: fn(Vec<Object>) -> Object,
[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] 
[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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug, PartialEq, Clone, Eq, Ord, PartialOrd)]
[INFO] [stdout]    |                                            ---------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |         func: fn(Vec<Object>) -> Object,
[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] 
[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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug, PartialEq, Clone, Eq, Ord, PartialOrd)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |         func: fn(Vec<Object>) -> Object,
[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] 
[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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug, PartialEq, Clone, Eq, Ord, PartialOrd)]
[INFO] [stdout]    |                                       --- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |         func: fn(Vec<Object>) -> Object,
[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] 
[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:61:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Debug, PartialEq, Clone, Eq, Ord, PartialOrd)]
[INFO] [stdout]    |                                            ---------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |         func: fn(Vec<Object>) -> Object,
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "691196394b17c144b0f75d13c4e288102cb5a93f10138669c3894c85d167783d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691196394b17c144b0f75d13c4e288102cb5a93f10138669c3894c85d167783d", kill_on_drop: false }`
[INFO] [stdout] 691196394b17c144b0f75d13c4e288102cb5a93f10138669c3894c85d167783d