[INFO] fetching crate eko-gc 0.0.2... [INFO] testing eko-gc-0.0.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate eko-gc 0.0.2 into /workspace/builds/worker-47/source [INFO] validating manifest of crates.io crate eko-gc 0.0.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-47/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14c089aa4778c2974aec0c486a71e7f365b455229daf7fd2b92f0c1f28e375ed [INFO] running `Command { std: "docker" "start" "-a" "14c089aa4778c2974aec0c486a71e7f365b455229daf7fd2b92f0c1f28e375ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14c089aa4778c2974aec0c486a71e7f365b455229daf7fd2b92f0c1f28e375ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14c089aa4778c2974aec0c486a71e7f365b455229daf7fd2b92f0c1f28e375ed", kill_on_drop: false }` [INFO] [stdout] 14c089aa4778c2974aec0c486a71e7f365b455229daf7fd2b92f0c1f28e375ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a3612e526c76a63ec25aea2d3e59eab26fc729fd587ebded6a58d9b1c3ee5eb [INFO] running `Command { std: "docker" "start" "-a" "6a3612e526c76a63ec25aea2d3e59eab26fc729fd587ebded6a58d9b1c3ee5eb", kill_on_drop: false }` [INFO] [stderr] Compiling eko-gc v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:42:47 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) boxes: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | let gc_box: &GcBox = unsafe { gc_box_ptr.as_ref() }; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | let mut unmarked: Vec<*mut GcBox> = Vec::new(); [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_box.rs:22:46 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) next: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "6a3612e526c76a63ec25aea2d3e59eab26fc729fd587ebded6a58d9b1c3ee5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a3612e526c76a63ec25aea2d3e59eab26fc729fd587ebded6a58d9b1c3ee5eb", kill_on_drop: false }` [INFO] [stdout] 6a3612e526c76a63ec25aea2d3e59eab26fc729fd587ebded6a58d9b1c3ee5eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6fa3d65c54bc781af3c3b7c9f0982efe21812c2fa3386f390f3ed881f9692bd [INFO] running `Command { std: "docker" "start" "-a" "d6fa3d65c54bc781af3c3b7c9f0982efe21812c2fa3386f390f3ed881f9692bd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:42:47 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) boxes: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling eko-gc v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | let gc_box: &GcBox = unsafe { gc_box_ptr.as_ref() }; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | let mut unmarked: Vec<*mut GcBox> = Vec::new(); [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_box.rs:22:46 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) next: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:42:47 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) boxes: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | let gc_box: &GcBox = unsafe { gc_box_ptr.as_ref() }; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | let mut unmarked: Vec<*mut GcBox> = Vec::new(); [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_box.rs:22:46 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) next: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.90s [INFO] running `Command { std: "docker" "inspect" "d6fa3d65c54bc781af3c3b7c9f0982efe21812c2fa3386f390f3ed881f9692bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6fa3d65c54bc781af3c3b7c9f0982efe21812c2fa3386f390f3ed881f9692bd", kill_on_drop: false }` [INFO] [stdout] d6fa3d65c54bc781af3c3b7c9f0982efe21812c2fa3386f390f3ed881f9692bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 434129b9110011438b53d42f82f2f86e1baab84bf8bf27095f881498d654a354 [INFO] running `Command { std: "docker" "start" "-a" "434129b9110011438b53d42f82f2f86e1baab84bf8bf27095f881498d654a354", kill_on_drop: false }` [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>>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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 = unsafe { gc_box_ptr.as_ref() }; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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> = Vec::new(); [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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>>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `eko-gc` (lib) generated 4 warnings [INFO] [stderr] warning: `eko-gc` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/eko_gc-e126b70544606c20) [INFO] [stdout] [INFO] [stderr] Running tests/gc.rs (/opt/rustwide/target/debug/deps/gc-ae07c7fb24dafb78) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stderr] Doc-tests eko-gc [INFO] [stdout] test gc ... ok [INFO] [stdout] test gc_circular ... ok [INFO] [stdout] test gc_ref ... ok [INFO] [stdout] test gc_simple ... ok [INFO] [stdout] test gc_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - Gc (line 5) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Gc (line 28) - compile fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "434129b9110011438b53d42f82f2f86e1baab84bf8bf27095f881498d654a354", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "434129b9110011438b53d42f82f2f86e1baab84bf8bf27095f881498d654a354", kill_on_drop: false }` [INFO] [stdout] 434129b9110011438b53d42f82f2f86e1baab84bf8bf27095f881498d654a354