[INFO] cloning repository https://github.com/joppe/writing-an-interpreter-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joppe/writing-an-interpreter-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoppe%2Fwriting-an-interpreter-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoppe%2Fwriting-an-interpreter-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 97c2b370549207372481271b0630ef9bb3a2f3c2 [INFO] checking joppe/writing-an-interpreter-in-rust against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoppe%2Fwriting-an-interpreter-in-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/joppe/writing-an-interpreter-in-rust [INFO] finished tweaking git repo https://github.com/joppe/writing-an-interpreter-in-rust [INFO] tweaked toml for git repo https://github.com/joppe/writing-an-interpreter-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/joppe/writing-an-interpreter-in-rust on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/joppe/writing-an-interpreter-in-rust 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 016682c8df45b1c1c62b13ed671f4ba70bf0332aac6f3457e00bc059db74ef05 [INFO] running `Command { std: "docker" "start" "-a" "016682c8df45b1c1c62b13ed671f4ba70bf0332aac6f3457e00bc059db74ef05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "016682c8df45b1c1c62b13ed671f4ba70bf0332aac6f3457e00bc059db74ef05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "016682c8df45b1c1c62b13ed671f4ba70bf0332aac6f3457e00bc059db74ef05", kill_on_drop: false }` [INFO] [stdout] 016682c8df45b1c1c62b13ed671f4ba70bf0332aac6f3457e00bc059db74ef05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d426b3983c7b5fe75a1940806a1ddfb06f43bf4e68c6ae239931c10b55c3abdf [INFO] running `Command { std: "docker" "start" "-a" "d426b3983c7b5fe75a1940806a1ddfb06f43bf4e68c6ae239931c10b55c3abdf", kill_on_drop: false }` [INFO] [stderr] Checking writing-an-interpreter-in-rust 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:16:21 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 16 | Builtin(String, BuiltinFunction), [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 [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:16:21 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, PartialEq, Clone)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 16 | Builtin(String, BuiltinFunction), [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 [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "d426b3983c7b5fe75a1940806a1ddfb06f43bf4e68c6ae239931c10b55c3abdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d426b3983c7b5fe75a1940806a1ddfb06f43bf4e68c6ae239931c10b55c3abdf", kill_on_drop: false }` [INFO] [stdout] d426b3983c7b5fe75a1940806a1ddfb06f43bf4e68c6ae239931c10b55c3abdf