[INFO] fetching crate x86 0.39.0... [INFO] testing x86-0.39.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate x86 0.39.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate x86 0.39.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4/source/rust-toolchain [INFO] started tweaking crates.io crate x86 0.39.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate x86 0.39.0 [INFO] tweaked toml for crates.io crate x86 0.39.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded raw-cpuid v9.0.0 [INFO] [stderr] Downloaded heapless v0.5.6 [INFO] [stderr] Downloaded klogger v0.0.7 [INFO] [stderr] Downloaded x86 v0.37.0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", 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] 0fde2c1e49cf54b4f7d70f8ea8aa84d865eedac3012e3f7ebd29eeb44c39f70f [INFO] running `Command { std: "docker" "start" "-a" "0fde2c1e49cf54b4f7d70f8ea8aa84d865eedac3012e3f7ebd29eeb44c39f70f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fde2c1e49cf54b4f7d70f8ea8aa84d865eedac3012e3f7ebd29eeb44c39f70f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fde2c1e49cf54b4f7d70f8ea8aa84d865eedac3012e3f7ebd29eeb44c39f70f", kill_on_drop: false }` [INFO] [stdout] 0fde2c1e49cf54b4f7d70f8ea8aa84d865eedac3012e3f7ebd29eeb44c39f70f [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfabd1d5cf2f987c13466d9d3986a3483c2da5adbfab1e28c7205f273f8e58db [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" "cfabd1d5cf2f987c13466d9d3986a3483c2da5adbfab1e28c7205f273f8e58db", kill_on_drop: false }` [INFO] [stderr] Compiling x86 v0.39.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling raw-cpuid v9.0.0 [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/dtables.rs:53:64 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [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/dtables.rs:53:76 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [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/dtables.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.61s [INFO] running `Command { std: "docker" "inspect" "cfabd1d5cf2f987c13466d9d3986a3483c2da5adbfab1e28c7205f273f8e58db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfabd1d5cf2f987c13466d9d3986a3483c2da5adbfab1e28c7205f273f8e58db", kill_on_drop: false }` [INFO] [stdout] cfabd1d5cf2f987c13466d9d3986a3483c2da5adbfab1e28c7205f273f8e58db [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f639ca9ca3659dece1890a498f09cb05967180588f1d93467cff7b3d5ea44bb [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" "8f639ca9ca3659dece1890a498f09cb05967180588f1d93467cff7b3d5ea44bb", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling x86 v0.37.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling termcodes v0.0.1 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/dtables.rs:53:64 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [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/dtables.rs:53:76 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [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/dtables.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling klogger v0.0.7 [INFO] [stderr] Compiling x86 v0.39.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `x86test` [INFO] [stdout] --> tests/kvm/bin.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate x86test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `x86` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: reference to packed field is unaligned [INFO] [stdout] --> src/dtables.rs:53:64 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [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/dtables.rs:53:76 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [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/dtables.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | unsafe { write!(f, "DescriptorTablePointer ({} {:?})", self.limit, self.base) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8f639ca9ca3659dece1890a498f09cb05967180588f1d93467cff7b3d5ea44bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f639ca9ca3659dece1890a498f09cb05967180588f1d93467cff7b3d5ea44bb", kill_on_drop: false }` [INFO] [stdout] 8f639ca9ca3659dece1890a498f09cb05967180588f1d93467cff7b3d5ea44bb