[INFO] fetching crate ghost-gc 0.2.1...
[INFO] testing ghost-gc-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ghost-gc 0.2.1 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ghost-gc 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d4eeb4cbc51efa61c1db04c0465bf10cd1f32192cf7244ef3edb17b36bd6ce
[INFO] running `Command { std: "docker" "start" "-a" "15d4eeb4cbc51efa61c1db04c0465bf10cd1f32192cf7244ef3edb17b36bd6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d4eeb4cbc51efa61c1db04c0465bf10cd1f32192cf7244ef3edb17b36bd6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d4eeb4cbc51efa61c1db04c0465bf10cd1f32192cf7244ef3edb17b36bd6ce", kill_on_drop: false }`
[INFO] [stdout] 15d4eeb4cbc51efa61c1db04c0465bf10cd1f32192cf7244ef3edb17b36bd6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3997e032802a9f803e9c4d157d73a6e26eb2690a94d20526e1ec80ba735efdb3
[INFO] running `Command { std: "docker" "start" "-a" "3997e032802a9f803e9c4d157d73a6e26eb2690a94d20526e1ec80ba735efdb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<Erased>, &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 <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/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<Erased>),
[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 0.53s
[INFO] running `Command { std: "docker" "inspect" "3997e032802a9f803e9c4d157d73a6e26eb2690a94d20526e1ec80ba735efdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3997e032802a9f803e9c4d157d73a6e26eb2690a94d20526e1ec80ba735efdb3", kill_on_drop: false }`
[INFO] [stdout] 3997e032802a9f803e9c4d157d73a6e26eb2690a94d20526e1ec80ba735efdb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ea5b7b3a58375b863dde22d89afaba08ed2a2ba621005dce3a874a4ac4905ff5
[INFO] running `Command { std: "docker" "start" "-a" "ea5b7b3a58375b863dde22d89afaba08ed2a2ba621005dce3a874a4ac4905ff5", kill_on_drop: false }`
[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<Erased>, &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 <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/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<Erased>),
[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]    Compiling 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<Erased>, &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 <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/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<Erased>),
[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 `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "ea5b7b3a58375b863dde22d89afaba08ed2a2ba621005dce3a874a4ac4905ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5b7b3a58375b863dde22d89afaba08ed2a2ba621005dce3a874a4ac4905ff5", kill_on_drop: false }`
[INFO] [stdout] ea5b7b3a58375b863dde22d89afaba08ed2a2ba621005dce3a874a4ac4905ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8ce235c69cb27370c703447b778ad8f04260cc549a5e66c50b9601f45c19a551
[INFO] running `Command { std: "docker" "start" "-a" "8ce235c69cb27370c703447b778ad8f04260cc549a5e66c50b9601f45c19a551", kill_on_drop: false }`
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]  --> src/gc_vtable.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
[INFO] [stderr]   |                              --------- in this derive macro expansion
[INFO] [stderr] 7 | pub struct GcVTable {
[INFO] [stderr] 8 |     collect: unsafe fn(GcBox<Erased>, &Collector),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the address of the same function can vary between different codegen units
[INFO] [stderr]   = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr]   = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]  --> src/gc_vtable.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
[INFO] [stderr]   |                              --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 9 |     drop_in_place: unsafe fn(GcBox<Erased>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the address of the same function can vary between different codegen units
[INFO] [stderr]   = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]   = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `ghost-gc` (lib) generated 2 warnings
[INFO] [stderr] warning: `ghost-gc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ghost_gc-6d9f52463934e4af)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test gc_box::tests::gcinner_layout_sanity ... ok
[INFO] [stdout] test write::tests::basic_projection ... ok
[INFO] [stdout] test write::tests::incorrect_projection - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/graph.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/graph-365163e2befbaf19)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ce235c69cb27370c703447b778ad8f04260cc549a5e66c50b9601f45c19a551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce235c69cb27370c703447b778ad8f04260cc549a5e66c50b9601f45c19a551", kill_on_drop: false }`
[INFO] [stdout] 8ce235c69cb27370c703447b778ad8f04260cc549a5e66c50b9601f45c19a551