[INFO] fetching crate x86test 0.0.5... [INFO] building x86test-0.0.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate x86test 0.0.5 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate x86test 0.0.5 [INFO] finished tweaking crates.io crate x86test 0.0.5 [INFO] tweaked toml for crates.io crate x86test 0.0.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate x86test 0.0.5 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding klogger v0.0.10 (available: v0.0.16) [INFO] [stderr] Adding x86 v0.47.0 (available: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 732d15eb7857cefc0a11ab12e078ddc23b77895126ea1950183d2366bafcaaeb [INFO] running `Command { std: "docker" "start" "-a" "732d15eb7857cefc0a11ab12e078ddc23b77895126ea1950183d2366bafcaaeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "732d15eb7857cefc0a11ab12e078ddc23b77895126ea1950183d2366bafcaaeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "732d15eb7857cefc0a11ab12e078ddc23b77895126ea1950183d2366bafcaaeb", kill_on_drop: false }` [INFO] [stdout] 732d15eb7857cefc0a11ab12e078ddc23b77895126ea1950183d2366bafcaaeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43f387af0d41da36b995333e5a0a08b5137eea357d1d35e37dc9044587d55c8c [INFO] running `Command { std: "docker" "start" "-a" "43f387af0d41da36b995333e5a0a08b5137eea357d1d35e37dc9044587d55c8c", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling x86 v0.47.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling raw-cpuid v10.7.0 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling memmap v0.2.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling errno v0.1.8 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling termcodes v0.0.1 [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling kvm-sys v0.3.0 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling mmap v0.1.1 [INFO] [stderr] Compiling x86test-types v0.0.5 [INFO] [stderr] Compiling klogger v0.0.10 [INFO] [stderr] Compiling x86test-macro v0.0.5 [INFO] [stderr] Compiling x86test v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/hypervisor/mod.rs:95:64 [INFO] [stdout] | [INFO] [stdout] 95 | pub(crate) fn create_vcpu(&'a mut self, init_fn: VAddr) -> kvm::Vcpu { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 95 | pub(crate) fn create_vcpu(&'a mut self, init_fn: VAddr) -> kvm::Vcpu<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/hypervisor/vspace.rs:116:56 [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn new(pmem: &'a mut PhysicalMemory) -> VSpace { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn new(pmem: &'a mut PhysicalMemory) -> VSpace<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/hypervisor/mod.rs:243:21 [INFO] [stdout] | [INFO] [stdout] 243 | UnexpectedWrite(u16, u32), [INFO] [stdout] | --------------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IoHandleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 243 - UnexpectedWrite(u16, u32), [INFO] [stdout] 243 + UnexpectedWrite((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/hypervisor/mod.rs:244:20 [INFO] [stdout] | [INFO] [stdout] 244 | UnexpectedRead(u16), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IoHandleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 244 - UnexpectedRead(u16), [INFO] [stdout] 244 + UnexpectedRead(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.52s [INFO] running `Command { std: "docker" "inspect" "43f387af0d41da36b995333e5a0a08b5137eea357d1d35e37dc9044587d55c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43f387af0d41da36b995333e5a0a08b5137eea357d1d35e37dc9044587d55c8c", kill_on_drop: false }` [INFO] [stdout] 43f387af0d41da36b995333e5a0a08b5137eea357d1d35e37dc9044587d55c8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67eef8dbd3e5b8da6399d8e8cd5166e9810cca3a9101ab97a0268c33f9827e8c [INFO] running `Command { std: "docker" "start" "-a" "67eef8dbd3e5b8da6399d8e8cd5166e9810cca3a9101ab97a0268c33f9827e8c", kill_on_drop: false }` [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/hypervisor/mod.rs:95:64 [INFO] [stdout] | [INFO] [stdout] 95 | pub(crate) fn create_vcpu(&'a mut self, init_fn: VAddr) -> kvm::Vcpu { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 95 | pub(crate) fn create_vcpu(&'a mut self, init_fn: VAddr) -> kvm::Vcpu<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/hypervisor/vspace.rs:116:56 [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn new(pmem: &'a mut PhysicalMemory) -> VSpace { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn new(pmem: &'a mut PhysicalMemory) -> VSpace<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/hypervisor/mod.rs:243:21 [INFO] [stdout] | [INFO] [stdout] 243 | UnexpectedWrite(u16, u32), [INFO] [stdout] | --------------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IoHandleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 243 - UnexpectedWrite(u16, u32), [INFO] [stdout] 243 + UnexpectedWrite((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/hypervisor/mod.rs:244:20 [INFO] [stdout] | [INFO] [stdout] 244 | UnexpectedRead(u16), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IoHandleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 244 - UnexpectedRead(u16), [INFO] [stdout] 244 + UnexpectedRead(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling x86test v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/hypervisor/mod.rs:243:21 [INFO] [stdout] | [INFO] [stdout] 243 | UnexpectedWrite(u16, u32), [INFO] [stdout] | --------------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IoHandleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 243 - UnexpectedWrite(u16, u32), [INFO] [stdout] 243 + UnexpectedWrite((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/hypervisor/mod.rs:244:20 [INFO] [stdout] | [INFO] [stdout] 244 | UnexpectedRead(u16), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IoHandleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 244 - UnexpectedRead(u16), [INFO] [stdout] 244 + UnexpectedRead(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/hypervisor/vspace.rs:116:56 [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn new(pmem: &'a mut PhysicalMemory) -> VSpace { [INFO] [stdout] | -- ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 116 | pub(crate) fn new(pmem: &'a mut PhysicalMemory) -> VSpace<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/hypervisor/mod.rs:95:64 [INFO] [stdout] | [INFO] [stdout] 95 | pub(crate) fn create_vcpu(&'a mut self, init_fn: VAddr) -> kvm::Vcpu { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 95 | pub(crate) fn create_vcpu(&'a mut self, init_fn: VAddr) -> kvm::Vcpu<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "67eef8dbd3e5b8da6399d8e8cd5166e9810cca3a9101ab97a0268c33f9827e8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67eef8dbd3e5b8da6399d8e8cd5166e9810cca3a9101ab97a0268c33f9827e8c", kill_on_drop: false }` [INFO] [stdout] 67eef8dbd3e5b8da6399d8e8cd5166e9810cca3a9101ab97a0268c33f9827e8c