[INFO] fetching crate managed-heap 0.1.5... [INFO] checking managed-heap-0.1.5 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate managed-heap 0.1.5 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate managed-heap 0.1.5 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate managed-heap 0.1.5 [INFO] finished tweaking crates.io crate managed-heap 0.1.5 [INFO] tweaked toml for crates.io crate managed-heap 0.1.5 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37cc546d1398318945f8acee02ce3546d532a96622ffd788f3ee0cd5b693cd41 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "37cc546d1398318945f8acee02ce3546d532a96622ffd788f3ee0cd5b693cd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37cc546d1398318945f8acee02ce3546d532a96622ffd788f3ee0cd5b693cd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37cc546d1398318945f8acee02ce3546d532a96622ffd788f3ee0cd5b693cd41", kill_on_drop: false }` [INFO] [stdout] 37cc546d1398318945f8acee02ce3546d532a96622ffd788f3ee0cd5b693cd41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b732f70c3d9a230539be60a5fad98baf39dbbe12a23494013fca0e5b3a456d7d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b732f70c3d9a230539be60a5fad98baf39dbbe12a23494013fca0e5b3a456d7d", kill_on_drop: false }` [INFO] [stderr] Checking managed-heap v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/block/set.rs:23:38 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn iter<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/heap.rs:144:38 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn used<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn gc(&mut self, roots: &mut [&mut GcRoot]) [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/trace.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 20 | fn children<'a>(&'a mut self) -> Box + 'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/block/set.rs:23:38 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn iter<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/heap.rs:144:38 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn used<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn gc(&mut self, roots: &mut [&mut GcRoot]) [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:101:50 [INFO] [stdout] | [INFO] [stdout] 101 | fn children<'a>(&'a mut self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:173:41 [INFO] [stdout] | [INFO] [stdout] 173 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:180:41 [INFO] [stdout] | [INFO] [stdout] 180 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:187:37 [INFO] [stdout] | [INFO] [stdout] 187 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:215:50 [INFO] [stdout] | [INFO] [stdout] 215 | fn children<'a>(&'a mut self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:364:41 [INFO] [stdout] | [INFO] [stdout] 364 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:371:41 [INFO] [stdout] | [INFO] [stdout] 371 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:378:37 [INFO] [stdout] | [INFO] [stdout] 378 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:395:41 [INFO] [stdout] | [INFO] [stdout] 395 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:403:41 [INFO] [stdout] | [INFO] [stdout] 403 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:411:37 [INFO] [stdout] | [INFO] [stdout] 411 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:431:45 [INFO] [stdout] | [INFO] [stdout] 431 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:438:45 [INFO] [stdout] | [INFO] [stdout] 438 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:445:41 [INFO] [stdout] | [INFO] [stdout] 445 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/managed.rs:450:41 [INFO] [stdout] | [INFO] [stdout] 450 | let mut roots: Vec<&mut GcRoot> = vec![&mut gc_root]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/trace.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 20 | fn children<'a>(&'a mut self) -> Box + 'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "b732f70c3d9a230539be60a5fad98baf39dbbe12a23494013fca0e5b3a456d7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b732f70c3d9a230539be60a5fad98baf39dbbe12a23494013fca0e5b3a456d7d", kill_on_drop: false }` [INFO] [stdout] b732f70c3d9a230539be60a5fad98baf39dbbe12a23494013fca0e5b3a456d7d