[INFO] fetching crate driverkit 0.3.0... [INFO] checking driverkit-0.3.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] extracting crate driverkit 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate driverkit 0.3.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate driverkit 0.3.0 [INFO] finished tweaking crates.io crate driverkit 0.3.0 [INFO] tweaked toml for crates.io crate driverkit 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate driverkit 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fef20ffcfa920709be23299a7c17498e014bf126fc42d08d0d642f0537e5144b [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" "fef20ffcfa920709be23299a7c17498e014bf126fc42d08d0d642f0537e5144b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fef20ffcfa920709be23299a7c17498e014bf126fc42d08d0d642f0537e5144b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fef20ffcfa920709be23299a7c17498e014bf126fc42d08d0d642f0537e5144b", kill_on_drop: false }` [INFO] [stdout] fef20ffcfa920709be23299a7c17498e014bf126fc42d08d0d642f0537e5144b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 62d5f57518be9f1715853b9eab060302c379b2b76f583663a924bcac20ba2aed [INFO] running `Command { std: "docker" "start" "-a" "62d5f57518be9f1715853b9eab060302c379b2b76f583663a924bcac20ba2aed", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling x86 v0.32.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking bit_field v0.10.0 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking mmap v0.1.1 [INFO] [stderr] Checking driverkit v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/linux/mem.rs:124:16 [INFO] [stdout] | [INFO] [stdout] 124 | Ok(f) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:128:32 [INFO] [stdout] | [INFO] [stdout] 128 | unsafe { volatile_load(&self.value) } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unaligned_references)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:133:33 [INFO] [stdout] | [INFO] [stdout] 133 | unsafe { volatile_store(&self.value as *const T as *mut T, value) } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:139:36 [INFO] [stdout] | [INFO] [stdout] 139 | unsafe { write!(f, "{:?}", self.value) } [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:145:34 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { write!(f, "{}", self.value) } [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:128:32 [INFO] [stdout] | [INFO] [stdout] 128 | unsafe { volatile_load(&self.value) } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unaligned_references)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:133:33 [INFO] [stdout] | [INFO] [stdout] 133 | unsafe { volatile_store(&self.value as *const T as *mut T, value) } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:139:36 [INFO] [stdout] | [INFO] [stdout] 139 | unsafe { write!(f, "{:?}", self.value) } [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/lib.rs:145:34 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { write!(f, "{}", self.value) } [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #82523 [INFO] [stdout] = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | unsafe { write!(f, "{:?}", self.value) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { write!(f, "{}", self.value) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | unsafe { write!(f, "{:?}", self.value) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { write!(f, "{}", self.value) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.58s [INFO] running `Command { std: "docker" "inspect" "62d5f57518be9f1715853b9eab060302c379b2b76f583663a924bcac20ba2aed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62d5f57518be9f1715853b9eab060302c379b2b76f583663a924bcac20ba2aed", kill_on_drop: false }` [INFO] [stdout] 62d5f57518be9f1715853b9eab060302c379b2b76f583663a924bcac20ba2aed