[INFO] fetching crate gc 0.5.0...
[INFO] checking gc-0.5.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate gc 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gc 0.5.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc 0.5.0
[INFO] finished tweaking crates.io crate gc 0.5.0
[INFO] tweaked toml for crates.io crate gc 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gc_derive v0.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99d46586774ea454c52ae3550a6e8464964d6c7f50216cd4634ad75e6d97a1d1
[INFO] running `Command { std: "docker" "start" "-a" "99d46586774ea454c52ae3550a6e8464964d6c7f50216cd4634ad75e6d97a1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99d46586774ea454c52ae3550a6e8464964d6c7f50216cd4634ad75e6d97a1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d46586774ea454c52ae3550a6e8464964d6c7f50216cd4634ad75e6d97a1d1", kill_on_drop: false }`
[INFO] [stdout] 99d46586774ea454c52ae3550a6e8464964d6c7f50216cd4634ad75e6d97a1d1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74d910be9a556a656f7f0bc8e3e42ef14ddffdec1253576b9b460d9c853a954
[INFO] running `Command { std: "docker" "start" "-a" "b74d910be9a556a656f7f0bc8e3e42ef14ddffdec1253576b9b460d9c853a954", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking gc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]  --> tests/ignore_trace.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Finalize, Trace)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/ignore_trace.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{force_collect, Finalize, Gc, Trace};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]  --> tests/from_box.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Trace, Finalize)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/from_box.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{Finalize, Gc, Trace};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]  --> tests/from_box.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Trace, Finalize)]
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/from_box.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{Finalize, Gc, Trace};
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]  --> tests/ignore_trace.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Finalize, Trace)]
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/ignore_trace.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{force_collect, Finalize, Gc, Trace};
[INFO] [stdout]   |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_ignore_trace` in this scope
[INFO] [stdout]  --> tests/ignore_trace.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct S(#[unsafe_ignore_trace] Gc<()>);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]  --> tests/trace_impl.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Copy, Clone, Finalize)]
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/trace_impl.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{Finalize, Trace};
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Bar: Trace` is not satisfied
[INFO] [stdout]  --> tests/from_box.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Foo for Bar {}
[INFO] [stdout]   |              ^^^ the trait `Trace` is not implemented for `Bar`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the following other types implement trait `Trace`:
[INFO] [stdout]             bool
[INFO] [stdout]             char
[INFO] [stdout]             isize
[INFO] [stdout]             i8
[INFO] [stdout]             i16
[INFO] [stdout]             i32
[INFO] [stdout]             i64
[INFO] [stdout]             i128
[INFO] [stdout]           and 147 others
[INFO] [stdout] note: required by a bound in `Foo`
[INFO] [stdout]  --> tests/from_box.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Foo: Trace {}
[INFO] [stdout]   |            ^^^^^ required by this bound in `Foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `S: Trace` is not satisfied
[INFO] [stdout]   --> tests/ignore_trace.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Gc::new(S(Gc::new(())));
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^ the trait `Trace` is not implemented for `S`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Gc::<T>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T: Trace> Gc<T> {
[INFO] [stdout]    |         ^^^^^ required by this bound in `Gc::<T>::new`
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Gc::new(&S(Gc::new(())));
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]  --> tests/derive_bounds.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Finalize, Trace)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/derive_bounds.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{Finalize, Gc, Trace};
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]  --> tests/derive_bounds.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Finalize, Trace)]
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/derive_bounds.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gc::{Finalize, Gc, Trace};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Trace, Clone, Finalize)]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc` (test "from_box") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find derive macro `Trace` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Trace, Finalize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Finalize` in this scope
[INFO] [stdout]   --> tests/trace_impl.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(Trace, Finalize)]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Finalize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/trace_impl.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use gc::{Finalize, Trace};
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Thunk<NotTrace>: Trace` is not satisfied
[INFO] [stdout]   --> tests/derive_bounds.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _: Gc<Thunk<NotTrace>> = Gc::new(Thunk(|| NotTrace));
[INFO] [stdout]    |                                  ------- ^^^^^^^^^^^^^^^^^^ the trait `Trace` is not implemented for `Thunk<NotTrace>`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Gc::<T>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T: Trace> Gc<T> {
[INFO] [stdout]    |         ^^^^^ required by this bound in `Gc::<T>::new`
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _: Gc<Thunk<NotTrace>> = Gc::new(&Thunk(|| NotTrace));
[INFO] [stdout]    |                                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc` (test "ignore_trace") due to 5 previous errors
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc` (test "derive_bounds") due to 4 previous errors
[INFO] [stdout] error[E0277]: the trait bound `Foo: Finalize` is not satisfied
[INFO] [stdout]   --> tests/trace_impl.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | unsafe impl Trace for Foo {
[INFO] [stdout]    |                       ^^^ the trait `Finalize` is not implemented for `Foo`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Finalize`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              i128
[INFO] [stdout]            and 147 others
[INFO] [stdout] note: required by a bound in `Trace`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/trace.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub unsafe trait Trace: Finalize {
[INFO] [stdout]    |                         ^^^^^^^^ required by this bound in `Trace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc` (test "trace_impl") due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "b74d910be9a556a656f7f0bc8e3e42ef14ddffdec1253576b9b460d9c853a954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74d910be9a556a656f7f0bc8e3e42ef14ddffdec1253576b9b460d9c853a954", kill_on_drop: false }`
[INFO] [stdout] b74d910be9a556a656f7f0bc8e3e42ef14ddffdec1253576b9b460d9c853a954
