[INFO] fetching crate stackr-rs 0.1.14...
[INFO] checking stackr-rs-0.1.14 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate stackr-rs 0.1.14 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stackr-rs 0.1.14
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stackr-rs 0.1.14
[INFO] tweaked toml for crates.io crate stackr-rs 0.1.14 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackr-rs 0.1.14 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 crates.io crate stackr-rs 0.1.14 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5e95ce93245a290668f1979d4ff1ce2de03ffb2cd1334676a8186f045c11879e
[INFO] running `Command { std: "docker" "start" "-a" "5e95ce93245a290668f1979d4ff1ce2de03ffb2cd1334676a8186f045c11879e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e95ce93245a290668f1979d4ff1ce2de03ffb2cd1334676a8186f045c11879e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e95ce93245a290668f1979d4ff1ce2de03ffb2cd1334676a8186f045c11879e", kill_on_drop: false }`
[INFO] [stdout] 5e95ce93245a290668f1979d4ff1ce2de03ffb2cd1334676a8186f045c11879e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 06388c998d9b6bf9bdd56a068420d806e8fd1459a4f427c0c2f1bc2a1435590a
[INFO] running `Command { std: "docker" "start" "-a" "06388c998d9b6bf9bdd56a068420d806e8fd1459a4f427c0c2f1bc2a1435590a", kill_on_drop: false }`
[INFO] [stderr]     Checking stackr-rs v0.1.14 (/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/interpreter/ram_value.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]   |                        --------- in this derive macro expansion
[INFO] [stdout] 4 | pub(crate) enum RamValue<State> {
[INFO] [stdout] 5 |     BuiltIn(BuiltIn<State>),
[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/interpreter/ram_value.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]   |                        --------- in this derive macro expansion
[INFO] [stdout] 4 | pub(crate) enum RamValue<State> {
[INFO] [stdout] 5 |     BuiltIn(BuiltIn<State>),
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "06388c998d9b6bf9bdd56a068420d806e8fd1459a4f427c0c2f1bc2a1435590a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06388c998d9b6bf9bdd56a068420d806e8fd1459a4f427c0c2f1bc2a1435590a", kill_on_drop: false }`
[INFO] [stdout] 06388c998d9b6bf9bdd56a068420d806e8fd1459a4f427c0c2f1bc2a1435590a