[INFO] crate eko-gc 0.0.2 is already in cache
[INFO] testing eko-gc-0.0.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate eko-gc 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate eko-gc 0.0.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate eko-gc 0.0.2
[INFO] finished tweaking crates.io crate eko-gc 0.0.2
[INFO] tweaked toml for crates.io crate eko-gc 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 742d13ba6b8413b26e28ef23551206ce5ec91130c5e2ee94e6179df3ea8614f2
[INFO] running `"docker" "start" "-a" "742d13ba6b8413b26e28ef23551206ce5ec91130c5e2ee94e6179df3ea8614f2"`
[INFO] [stderr]    Compiling eko-gc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub(crate) boxes: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let gc_box: &GcBox<Trace> = unsafe { gc_box_ptr.as_ref() };
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut unmarked: Vec<*mut GcBox<Trace>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_box.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub(crate) next: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "742d13ba6b8413b26e28ef23551206ce5ec91130c5e2ee94e6179df3ea8614f2"`
[INFO] running `"docker" "rm" "-f" "742d13ba6b8413b26e28ef23551206ce5ec91130c5e2ee94e6179df3ea8614f2"`
[INFO] [stdout] 742d13ba6b8413b26e28ef23551206ce5ec91130c5e2ee94e6179df3ea8614f2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ce9fb46f2e99bf5bade8a8f6a164179a3e8f7ab524fa57354c0d1994f7fc8dc
[INFO] running `"docker" "start" "-a" "1ce9fb46f2e99bf5bade8a8f6a164179a3e8f7ab524fa57354c0d1994f7fc8dc"`
[INFO] [stderr]    Compiling eko-gc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub(crate) boxes: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let gc_box: &GcBox<Trace> = unsafe { gc_box_ptr.as_ref() };
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut unmarked: Vec<*mut GcBox<Trace>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_box.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub(crate) next: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub(crate) boxes: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let gc_box: &GcBox<Trace> = unsafe { gc_box_ptr.as_ref() };
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut unmarked: Vec<*mut GcBox<Trace>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_box.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub(crate) next: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "1ce9fb46f2e99bf5bade8a8f6a164179a3e8f7ab524fa57354c0d1994f7fc8dc"`
[INFO] running `"docker" "rm" "-f" "1ce9fb46f2e99bf5bade8a8f6a164179a3e8f7ab524fa57354c0d1994f7fc8dc"`
[INFO] [stdout] 1ce9fb46f2e99bf5bade8a8f6a164179a3e8f7ab524fa57354c0d1994f7fc8dc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afe77d7bc1a21f7eb6f9794de70968ac8bcfce9ed5dca91922c269c09c744871
[INFO] running `"docker" "start" "-a" "afe77d7bc1a21f7eb6f9794de70968ac8bcfce9ed5dca91922c269c09c744871"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub(crate) boxes: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let gc_box: &GcBox<Trace> = unsafe { gc_box_ptr.as_ref() };
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub(crate) boxes: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut unmarked: Vec<*mut GcBox<Trace>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_box.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub(crate) next: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let gc_box: &GcBox<Trace> = unsafe { gc_box_ptr.as_ref() };
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_arena.rs:82:38
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut unmarked: Vec<*mut GcBox<Trace>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc_box.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub(crate) next: Option<NonNull<GcBox<'gc, Trace>>>,
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/eko_gc-d86e9858bb86af75
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc-928b27c643ce361d
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test gc_tree ... ok
[INFO] [stdout] test gc_simple ... ok
[INFO] [stdout] test gc ... ok
[INFO] [stdout] test gc_ref ... ok
[INFO] [stdout] test gc_circular ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eko-gc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Gc (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Gc (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "afe77d7bc1a21f7eb6f9794de70968ac8bcfce9ed5dca91922c269c09c744871"`
[INFO] running `"docker" "rm" "-f" "afe77d7bc1a21f7eb6f9794de70968ac8bcfce9ed5dca91922c269c09c744871"`
[INFO] [stdout] afe77d7bc1a21f7eb6f9794de70968ac8bcfce9ed5dca91922c269c09c744871