[INFO] fetching crate ottavino-gc-arena 0.6.0...
[INFO] testing ottavino-gc-arena-0.6.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate ottavino-gc-arena 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ottavino-gc-arena 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ottavino-gc-arena 0.6.0
[INFO] tweaked toml for crates.io crate ottavino-gc-arena 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ottavino-gc-arena 0.6.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ottavino-gc-arena 0.6.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ottavino-gc-arena-derive v0.6.0
[INFO] [stderr]   Downloaded sptr v0.3.2
[INFO] [stderr]   Downloaded target-triple v1.0.0
[INFO] [stderr]   Downloaded trybuild v1.0.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee9b3bd8477dfbb09ee5d485b9dd868d98ff215295dbc4b5a81e52c95a4b0ce
[INFO] running `Command { std: "docker" "start" "-a" "7ee9b3bd8477dfbb09ee5d485b9dd868d98ff215295dbc4b5a81e52c95a4b0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee9b3bd8477dfbb09ee5d485b9dd868d98ff215295dbc4b5a81e52c95a4b0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee9b3bd8477dfbb09ee5d485b9dd868d98ff215295dbc4b5a81e52c95a4b0ce", kill_on_drop: false }`
[INFO] [stdout] 7ee9b3bd8477dfbb09ee5d485b9dd868d98ff215295dbc4b5a81e52c95a4b0ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ab552d7b749e2618691c3a47a7d887a04b1a575c9ec180898388c6033181e6e
[INFO] running `Command { std: "docker" "start" "-a" "3ab552d7b749e2618691c3a47a7d887a04b1a575c9ec180898388c6033181e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling ottavino-gc-arena-derive v0.6.0
[INFO] [stderr]    Compiling ottavino-gc-arena v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | static_collect!(str);
[INFO] [stdout]    | -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | static_collect!(core::ffi::CStr);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | static_collect!(std::path::Path);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | static_collect!(std::ffi::OsStr);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]    --> src/collect_impl.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn needs_trace() -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/types.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use sptr::Strict as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "3ab552d7b749e2618691c3a47a7d887a04b1a575c9ec180898388c6033181e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab552d7b749e2618691c3a47a7d887a04b1a575c9ec180898388c6033181e6e", kill_on_drop: false }`
[INFO] [stdout] 3ab552d7b749e2618691c3a47a7d887a04b1a575c9ec180898388c6033181e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4ccc42c3da53485f16e45e8a5edf3e6a61411dcd372644f60fb6c573f0a2da
[INFO] running `Command { std: "docker" "start" "-a" "2e4ccc42c3da53485f16e45e8a5edf3e6a61411dcd372644f60fb6c573f0a2da", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling toml_datetime v1.0.0+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | static_collect!(str);
[INFO] [stdout]    | -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | static_collect!(core::ffi::CStr);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | static_collect!(std::path::Path);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | static_collect!(std::ffi::OsStr);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]    --> src/collect_impl.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn needs_trace() -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/types.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use sptr::Strict as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling toml v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling trybuild v1.0.116
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ottavino-gc-arena v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]  --> tests/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gc_arena::{
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:645:9
[INFO] [stdout]     |
[INFO] [stdout] 645 |     use gc_arena::barrier::{field, unlock};
[INFO] [stdout]     |         ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `gc_arena`
[INFO] [stdout]  --> tests/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gc_arena::{
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `gc_arena`
[INFO] [stdout]  --> examples/linked_list.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc_arena::{Arena, Collect, Gc, Mutation, RefLock, Rootable};
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]   --> tests/tests.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[collect(no_drop)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]   --> examples/linked_list.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[collect(no_drop)]
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 12 + #[derive(Collect)]
[INFO] [stdout] 13 | struct Node<'gc, T: 'gc> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]   --> tests/tests.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[collect(no_drop)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]   --> tests/tests.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[collect(no_drop)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:190:7
[INFO] [stdout]     |
[INFO] [stdout] 190 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:219:7
[INFO] [stdout]     |
[INFO] [stdout] 219 |     #[collect(require_static)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:276:7
[INFO] [stdout]     |
[INFO] [stdout] 276 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ottavino-gc-arena` (example "linked_list") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:292:7
[INFO] [stdout]     |
[INFO] [stdout] 292 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:300:7
[INFO] [stdout]     |
[INFO] [stdout] 300 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:307:7
[INFO] [stdout]     |
[INFO] [stdout] 307 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | static_collect!(str);
[INFO] [stdout]    | -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | static_collect!(core::ffi::CStr);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | static_collect!(std::path::Path);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/collect_impl.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             fn needs_trace() -> bool {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | static_collect!(std::ffi::OsStr);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_collect` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:312:7
[INFO] [stdout]     |
[INFO] [stdout] 312 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]    --> src/collect_impl.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn needs_trace() -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:326:7
[INFO] [stdout]     |
[INFO] [stdout] 326 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:328:11
[INFO] [stdout]     |
[INFO] [stdout] 328 |         #[collect(require_static)]
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:334:7
[INFO] [stdout]     |
[INFO] [stdout] 334 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:337:15
[INFO] [stdout]     |
[INFO] [stdout] 337 |             #[collect(require_static)]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout]     |
[INFO] [stdout] 335 +     #[derive(Collect)]
[INFO] [stdout] 336 |     enum Test8 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:349:7
[INFO] [stdout]     |
[INFO] [stdout] 349 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:359:7
[INFO] [stdout]     |
[INFO] [stdout] 359 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:495:7
[INFO] [stdout]     |
[INFO] [stdout] 495 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:539:7
[INFO] [stdout]     |
[INFO] [stdout] 539 |     #[collect(require_static)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:547:7
[INFO] [stdout]     |
[INFO] [stdout] 547 |     #[collect(require_static)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:577:11
[INFO] [stdout]     |
[INFO] [stdout] 577 |         #[collect(require_static)]
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:648:7
[INFO] [stdout]     |
[INFO] [stdout] 648 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:654:7
[INFO] [stdout]     |
[INFO] [stdout] 654 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:688:7
[INFO] [stdout]     |
[INFO] [stdout] 688 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:734:7
[INFO] [stdout]     |
[INFO] [stdout] 734 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:786:7
[INFO] [stdout]     |
[INFO] [stdout] 786 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:843:7
[INFO] [stdout]     |
[INFO] [stdout] 843 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:898:7
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `collect` in this scope
[INFO] [stdout]    --> tests/tests.rs:930:7
[INFO] [stdout]     |
[INFO] [stdout] 930 |     #[collect(no_drop)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `collect` is an attribute that can be used by the derive macro `Collect`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/types.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use sptr::Strict as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 247 |     test_layout!(size = 0, align = 1);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 248 |     test_layout!(size = 1, align = 1);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 249 |     test_layout!(size = 2, align = 1);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 251 |     test_layout!(size = 0, align = 2);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 252 |     test_layout!(size = 2, align = 2);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 253 |     test_layout!(size = 4, align = 2);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 255 |     test_layout!(size = 0, align = 4);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 256 |     test_layout!(size = 4, align = 4);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 257 |     test_layout!(size = 8, align = 4);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 259 |     test_layout!(size = 0, align = 8);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 260 |     test_layout!(size = 8, align = 8);
[INFO] [stdout]     |     --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 261 |     test_layout!(size = 16, align = 8);
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 263 |     test_layout!(size = 0, align = 16);
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 264 |     test_layout!(size = 16, align = 16);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 265 |     test_layout!(size = 32, align = 16);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 267 |     test_layout!(size = 0, align = 32);
[INFO] [stdout]     |     ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 268 |     test_layout!(size = 32, align = 32);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let ptr = gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |                       ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout] ...
[INFO] [stdout] 269 |     test_layout!(size = 64, align = 32);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the macro `test_layout` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:473:5
[INFO] [stdout]     |
[INFO] [stdout] 473 |     gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `arena`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 473 -     gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout] 473 +     arena::rootless_mutate(|mc| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:553:5
[INFO] [stdout]     |
[INFO] [stdout] 553 |     gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `arena`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 553 -     gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout] 553 +     arena::rootless_mutate(|mc| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:575:5
[INFO] [stdout]     |
[INFO] [stdout] 575 |     gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout]     |     ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ottavino_gc_arena::arena;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `arena`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 575 -     gc_arena::arena::rootless_mutate(|mc| {
[INFO] [stdout] 575 +     arena::rootless_mutate(|mc| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]    --> tests/tests.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     use std::fmt::Display;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `gc_arena` in this scope
[INFO] [stdout]    --> tests/tests.rs:605:30
[INFO] [stdout]     |
[INFO] [stdout] 605 |         fn trace(&self, cc: &gc_arena::Collection) {
[INFO] [stdout]     |                              ^^^^^^^^ use of unresolved module or unlinked crate `gc_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `gc_arena`, use `cargo add gc_arena` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ottavino-gc-arena` (test "tests") due to 56 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2e4ccc42c3da53485f16e45e8a5edf3e6a61411dcd372644f60fb6c573f0a2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4ccc42c3da53485f16e45e8a5edf3e6a61411dcd372644f60fb6c573f0a2da", kill_on_drop: false }`
[INFO] [stdout] 2e4ccc42c3da53485f16e45e8a5edf3e6a61411dcd372644f60fb6c573f0a2da