[INFO] fetching crate ghost-gc 0.2.1... [INFO] checking ghost-gc-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate ghost-gc 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ghost-gc 0.2.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ghost-gc 0.2.1 [INFO] tweaked toml for crates.io crate ghost-gc 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ghost-gc 0.2.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ghost-gc 0.2.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9bee00678cceeb0941ce579196b95ceb3133d902ce6c3ba217fc9887fcc87ca [INFO] running `Command { std: "docker" "start" "-a" "f9bee00678cceeb0941ce579196b95ceb3133d902ce6c3ba217fc9887fcc87ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9bee00678cceeb0941ce579196b95ceb3133d902ce6c3ba217fc9887fcc87ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9bee00678cceeb0941ce579196b95ceb3133d902ce6c3ba217fc9887fcc87ca", kill_on_drop: false }` [INFO] [stdout] f9bee00678cceeb0941ce579196b95ceb3133d902ce6c3ba217fc9887fcc87ca [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5810787e69dfad2909e77f22397dc060e5da7871618ace38c4e73cb89d9a4af7 [INFO] running `Command { std: "docker" "start" "-a" "5810787e69dfad2909e77f22397dc060e5da7871618ace38c4e73cb89d9a4af7", kill_on_drop: false }` [INFO] [stderr] Checking ghost-gc v0.2.1 (/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/gc_vtable.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] 7 | pub struct GcVTable { [INFO] [stdout] 8 | collect: unsafe fn(GcBox, &Collector), [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/gc_vtable.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 9 | drop_in_place: unsafe fn(GcBox), [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] [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/gc_vtable.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] 7 | pub struct GcVTable { [INFO] [stdout] 8 | collect: unsafe fn(GcBox, &Collector), [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/gc_vtable.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 9 | drop_in_place: unsafe fn(GcBox), [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "5810787e69dfad2909e77f22397dc060e5da7871618ace38c4e73cb89d9a4af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5810787e69dfad2909e77f22397dc060e5da7871618ace38c4e73cb89d9a4af7", kill_on_drop: false }` [INFO] [stdout] 5810787e69dfad2909e77f22397dc060e5da7871618ace38c4e73cb89d9a4af7