[INFO] fetching crate ccl_owning_ref 0.4.2... [INFO] checking ccl_owning_ref-0.4.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate ccl_owning_ref 0.4.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ccl_owning_ref 0.4.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ccl_owning_ref 0.4.2 [INFO] finished tweaking crates.io crate ccl_owning_ref 0.4.2 [INFO] tweaked toml for crates.io crate ccl_owning_ref 0.4.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ccl_stable_deref_trait v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c64e177c9d19fa2a1065741a9895e99341cc7d167897e5779338a2f359e0898 [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" "8c64e177c9d19fa2a1065741a9895e99341cc7d167897e5779338a2f359e0898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c64e177c9d19fa2a1065741a9895e99341cc7d167897e5779338a2f359e0898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c64e177c9d19fa2a1065741a9895e99341cc7d167897e5779338a2f359e0898", kill_on_drop: false }` [INFO] [stdout] 8c64e177c9d19fa2a1065741a9895e99341cc7d167897e5779338a2f359e0898 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a23fda36523d199951545e067515848f3386b8174bac1d2b007d3bda85aa91ac [INFO] running `Command { std: "docker" "start" "-a" "a23fda36523d199951545e067515848f3386b8174bac1d2b007d3bda85aa91ac", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking ccl_stable_deref_trait v1.0.2 [INFO] [stderr] Checking ccl_owning_ref v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1009:28 [INFO] [stdout] | [INFO] [stdout] 1009 | where O: Send, for<'a> (&'a T): Send {} [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1011:28 [INFO] [stdout] | [INFO] [stdout] 1011 | where O: Sync, for<'a> (&'a T): Sync {} [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1014:28 [INFO] [stdout] | [INFO] [stdout] 1014 | where O: Send, for<'a> (&'a mut T): Send {} [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1016:28 [INFO] [stdout] | [INFO] [stdout] 1016 | where O: Sync, for<'a> (&'a mut T): Sync {} [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1018:16 [INFO] [stdout] | [INFO] [stdout] 1018 | impl Debug for Erased { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1138:23 [INFO] [stdout] | [INFO] [stdout] 1138 | type Erased = Box; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1144:22 [INFO] [stdout] | [INFO] [stdout] 1144 | type Erased = Rc; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1150:23 [INFO] [stdout] | [INFO] [stdout] 1150 | type Erased = Arc; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1157:42 [INFO] [stdout] | [INFO] [stdout] 1157 | pub type ErasedBoxRef = OwningRef, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1159:40 [INFO] [stdout] | [INFO] [stdout] 1159 | pub type ErasedRcRef = OwningRef, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1161:42 [INFO] [stdout] | [INFO] [stdout] 1161 | pub type ErasedArcRef = OwningRef, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1164:48 [INFO] [stdout] | [INFO] [stdout] 1164 | pub type ErasedBoxRefMut = OwningRefMut, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1009:28 [INFO] [stdout] | [INFO] [stdout] 1009 | where O: Send, for<'a> (&'a T): Send {} [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1011:28 [INFO] [stdout] | [INFO] [stdout] 1011 | where O: Sync, for<'a> (&'a T): Sync {} [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1014:28 [INFO] [stdout] | [INFO] [stdout] 1014 | where O: Send, for<'a> (&'a mut T): Send {} [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1016:28 [INFO] [stdout] | [INFO] [stdout] 1016 | where O: Sync, for<'a> (&'a mut T): Sync {} [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1018:16 [INFO] [stdout] | [INFO] [stdout] 1018 | impl Debug for Erased { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1138:23 [INFO] [stdout] | [INFO] [stdout] 1138 | type Erased = Box; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1144:22 [INFO] [stdout] | [INFO] [stdout] 1144 | type Erased = Rc; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1150:23 [INFO] [stdout] | [INFO] [stdout] 1150 | type Erased = Arc; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1157:42 [INFO] [stdout] | [INFO] [stdout] 1157 | pub type ErasedBoxRef = OwningRef, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1159:40 [INFO] [stdout] | [INFO] [stdout] 1159 | pub type ErasedRcRef = OwningRef, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1161:42 [INFO] [stdout] | [INFO] [stdout] 1161 | pub type ErasedArcRef = OwningRef, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1164:48 [INFO] [stdout] | [INFO] [stdout] 1164 | pub type ErasedBoxRefMut = OwningRefMut, U>; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1287:27 [INFO] [stdout] | [INFO] [stdout] 1287 | let o: BoxRef = o.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1408:33 [INFO] [stdout] | [INFO] [stdout] 1408 | let e: OwningRef, [u8]> = c.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1409:33 [INFO] [stdout] | [INFO] [stdout] 1409 | let f: OwningRef, [u8]> = d.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1425:35 [INFO] [stdout] | [INFO] [stdout] 1425 | let _e: OwningRef, [u8]> = c.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1426:35 [INFO] [stdout] | [INFO] [stdout] 1426 | let _f: OwningRef, [u8]> = d.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1434:24 [INFO] [stdout] | [INFO] [stdout] 1434 | let y: Box = x; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1444:24 [INFO] [stdout] | [INFO] [stdout] 1444 | let y: Box = x; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1725:30 [INFO] [stdout] | [INFO] [stdout] 1725 | let o: BoxRefMut = o.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1827:38 [INFO] [stdout] | [INFO] [stdout] 1827 | let _e: OwningRefMut, [u8]> = c.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1828:38 [INFO] [stdout] | [INFO] [stdout] 1828 | let _f: OwningRefMut, [u8]> = d.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1841:38 [INFO] [stdout] | [INFO] [stdout] 1841 | let _e: OwningRefMut, [u8]> = c.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1842:38 [INFO] [stdout] | [INFO] [stdout] 1842 | let _f: OwningRefMut, [u8]> = d.erase_owner(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Erased` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1850:24 [INFO] [stdout] | [INFO] [stdout] 1850 | let y: Box = x; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1860:24 [INFO] [stdout] | [INFO] [stdout] 1860 | let y: Box = x; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1870:24 [INFO] [stdout] | [INFO] [stdout] 1870 | let y: Box = x; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1880:24 [INFO] [stdout] | [INFO] [stdout] 1880 | let y: Box = x; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/lib.rs:1436:13 [INFO] [stdout] | [INFO] [stdout] 1436 | OwningRef::new(y).try_map(|x| x.downcast_ref::().ok_or(())).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_err` that must be used [INFO] [stdout] --> src/lib.rs:1446:13 [INFO] [stdout] | [INFO] [stdout] 1446 | OwningRef::new(y).try_map(|x| x.downcast_ref::().ok_or(())).is_err(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is err, consider `.unwrap_err()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/lib.rs:1852:13 [INFO] [stdout] | [INFO] [stdout] 1852 | OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::().ok_or(())).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_err` that must be used [INFO] [stdout] --> src/lib.rs:1862:13 [INFO] [stdout] | [INFO] [stdout] 1862 | OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::().ok_or(())).is_err(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is err, consider `.unwrap_err()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/lib.rs:1872:13 [INFO] [stdout] | [INFO] [stdout] 1872 | OwningRefMut::new(y).try_map(|x| x.downcast_ref::().ok_or(())).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_err` that must be used [INFO] [stdout] --> src/lib.rs:1882:13 [INFO] [stdout] | [INFO] [stdout] 1882 | OwningRefMut::new(y).try_map(|x| x.downcast_ref::().ok_or(())).is_err(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is err, consider `.unwrap_err()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.05s [INFO] running `Command { std: "docker" "inspect" "a23fda36523d199951545e067515848f3386b8174bac1d2b007d3bda85aa91ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a23fda36523d199951545e067515848f3386b8174bac1d2b007d3bda85aa91ac", kill_on_drop: false }` [INFO] [stdout] a23fda36523d199951545e067515848f3386b8174bac1d2b007d3bda85aa91ac