[INFO] cloning repository https://github.com/yisun-git/Hypervisor_on_FC [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yisun-git/Hypervisor_on_FC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyisun-git%2FHypervisor_on_FC", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyisun-git%2FHypervisor_on_FC'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a6d8d11b360f4984e1700965ef735731a59fca1 [INFO] testing yisun-git/Hypervisor_on_FC against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyisun-git%2FHypervisor_on_FC" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yisun-git/Hypervisor_on_FC 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-9/source/.cargo/config [INFO] started tweaking git repo https://github.com/yisun-git/Hypervisor_on_FC [INFO] finished tweaking git repo https://github.com/yisun-git/Hypervisor_on_FC [INFO] tweaked toml for git repo https://github.com/yisun-git/Hypervisor_on_FC written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/yisun-git/Hypervisor_on_FC already has a lockfile, it will not be regenerated [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 cc v1.0.28 [INFO] [stderr] Downloaded unicode-xid v0.0.3 [INFO] [stderr] Downloaded dtoa v0.4.3 [INFO] [stderr] Downloaded syntex_syntax v0.42.0 [INFO] [stderr] Downloaded smallvec v0.2.1 [INFO] [stderr] Downloaded slab v0.3.0 [INFO] [stderr] Downloaded serde v1.0.89 [INFO] [stderr] Downloaded tokio-proto v0.1.1 [INFO] [stderr] Downloaded byteorder v1.2.1 [INFO] [stderr] Downloaded syntex_pos v0.42.0 [INFO] [stderr] Downloaded rand v0.4.5 [INFO] [stderr] Downloaded pnet_transport v0.21.0 [INFO] [stderr] Downloaded pnet_packet v0.21.0 [INFO] [stderr] Downloaded serde_json v1.0.17 [INFO] [stderr] Downloaded syn v0.15.29 [INFO] [stderr] Downloaded libc v0.2.47 [INFO] [stderr] Downloaded pnet_macros_support v0.21.0 [INFO] [stderr] Downloaded bitflags v0.5.0 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded kvm-ioctls v0.1.0 [INFO] [stderr] Downloaded mime v0.3.13 [INFO] [stderr] Downloaded pnet_macros v0.21.0 [INFO] [stderr] Downloaded 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v0.42.0 [INFO] [stderr] Downloaded syntex v0.42.2 [INFO] [stderr] Downloaded serde_derive v1.0.89 [INFO] [stderr] Downloaded memchr v2.1.3 [INFO] [stderr] Downloaded strsim v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 5882f4b319ddc3a558dcb3f11debb8994b81b3f695e52401a08f0eb8e76d69c8 [INFO] running `Command { std: "docker" "start" "-a" "5882f4b319ddc3a558dcb3f11debb8994b81b3f695e52401a08f0eb8e76d69c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5882f4b319ddc3a558dcb3f11debb8994b81b3f695e52401a08f0eb8e76d69c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5882f4b319ddc3a558dcb3f11debb8994b81b3f695e52401a08f0eb8e76d69c8", kill_on_drop: false }` [INFO] [stdout] 5882f4b319ddc3a558dcb3f11debb8994b81b3f695e52401a08f0eb8e76d69c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 11d81621c795d7777bbba6d6c821915f93e1d9585cab0ec736071ef1ec28941d [INFO] running `Command { std: "docker" "start" "-a" "11d81621c795d7777bbba6d6c821915f93e1d9585cab0ec736071ef1ec28941d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling futures v0.1.18 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling kvm-bindings v0.1.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling micro_http v0.1.0 (/opt/rustwide/workdir/micro_http) [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling smallvec v0.2.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling arch_gen v0.1.0 (/opt/rustwide/workdir/arch_gen) [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling take v0.1.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling virtio_gen v0.1.0 (/opt/rustwide/workdir/virtio_gen) [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling sys_util v0.1.0 (/opt/rustwide/workdir/sys_util) [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling memory_model v0.1.0 (/opt/rustwide/workdir/memory_model) [INFO] [stderr] Compiling fc_util v0.1.0 (/opt/rustwide/workdir/fc_util) [INFO] [stderr] Compiling timerfd v1.0.0 [INFO] [stderr] Compiling rand v0.4.5 [INFO] [stderr] Compiling kvm-ioctls v0.1.0 [INFO] [stderr] Compiling epoll v4.0.1 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling seccomp v0.1.0 (/opt/rustwide/workdir/seccomp) [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling net_gen v0.1.0 (/opt/rustwide/workdir/net_gen) [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> memory_model/src/guest_memory.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | mut buf: &mut [u8], [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stderr] Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel) [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling cpuid v0.1.0 (/opt/rustwide/workdir/cpuid) [INFO] [stderr] Compiling arch v0.1.0 (/opt/rustwide/workdir/arch) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> kernel/src/cmdline/mod.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | ' '...'~' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> arch/src/x86_64/gdt.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / (((u64::from(base) & 0xff00_0000u64) << (56 - 24)) [INFO] [stdout] 15 | | | ((u64::from(flags) & 0x0000_f0ffu64) << 40) [INFO] [stdout] 16 | | | ((u64::from(limit) & 0x000f_0000u64) << (48 - 16)) [INFO] [stdout] 17 | | | ((u64::from(base) & 0x00ff_ffffu64) << 16) [INFO] [stdout] 18 | | | (u64::from(limit) & 0x0000_ffffu64)) [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 14 | ((u64::from(base) & 0xff00_0000u64) << (56 - 24)) [INFO] [stdout] 15 | | ((u64::from(flags) & 0x0000_f0ffu64) << 40) [INFO] [stdout] 16 | | ((u64::from(limit) & 0x000f_0000u64) << (48 - 16)) [INFO] [stdout] 17 | | ((u64::from(base) & 0x00ff_ffffu64) << 16) [INFO] [stdout] 18 | | (u64::from(limit) & 0x0000_ffffu64) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> arch/src/x86_64/gdt.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / ((((entry) & 0xFF00_0000_0000_0000) >> 32) [INFO] [stdout] 23 | | | (((entry) & 0x0000_00FF_0000_0000) >> 16) [INFO] [stdout] 24 | | | (((entry) & 0x0000_0000_FFFF_0000) >> 16)) [INFO] [stdout] | |____________________________________________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 | (((entry) & 0xFF00_0000_0000_0000) >> 32) [INFO] [stdout] 23 | | (((entry) & 0x0000_00FF_0000_0000) >> 16) [INFO] [stdout] 24 | | (((entry) & 0x0000_0000_FFFF_0000) >> 16) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> arch/src/x86_64/interrupts.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | (((reg) & !0x700) | ((mode) << 8)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> arch/src/x86_64/mod.rs:50:39 [INFO] [stdout] | [INFO] [stdout] 50 | const FIRST_ADDR_PAST_32BITS: usize = (1 << 32); [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> arch/src/x86_64/mod.rs:51:35 [INFO] [stdout] | [INFO] [stdout] 51 | const MEM_32BIT_GAP_SIZE: usize = (768 << 20); [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling tokio-uds v0.1.7 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling net_util v0.1.0 (/opt/rustwide/workdir/net_util) [INFO] [stderr] Compiling hyper v0.11.16 [INFO] [stderr] Compiling jailer v0.15.0 (/opt/rustwide/workdir/jailer) [INFO] [stderr] Compiling logger v0.1.0 (/opt/rustwide/workdir/logger) [INFO] [stderr] Compiling json-patch v0.2.1 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> logger/src/writers.rs:47:41 [INFO] [stdout] | [INFO] [stdout] 47 | fn get_line_writer(&self) -> Result<(MutexGuard>)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> logger/src/lib.rs:157:60 [INFO] [stdout] | [INFO] [stdout] 157 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering, ATOMIC_USIZE_INIT}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> logger/src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | static STATE: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> logger/src/lib.rs:537:21 [INFO] [stdout] | [INFO] [stdout] 537 | match STATE.compare_and_swap(UNINITIALIZED, locked_state, Ordering::SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/lib.rs:761:57 [INFO] [stdout] | [INFO] [stdout] 761 | Err(LoggerError::LogMetricFailure(e.description().to_string())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/error.rs:54:61 [INFO] [stdout] | [INFO] [stdout] 54 | format!("Failed to open pipe. Error: {}", e.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/error.rs:57:62 [INFO] [stdout] | [INFO] [stdout] 57 | format!("Failed to write logs. Error: {}", e.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/error.rs:60:62 [INFO] [stdout] | [INFO] [stdout] 60 | format!("Failed to flush logs. Error: {}", e.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rate_limiter v0.1.0 (/opt/rustwide/workdir/rate_limiter) [INFO] [stderr] Compiling mmds v0.1.0 (/opt/rustwide/workdir/mmds) [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling dumbo v0.1.0 (/opt/rustwide/workdir/dumbo) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> dumbo/src/tcp/connection.rs:939:17 [INFO] [stdout] | [INFO] [stdout] 939 | let mut actual_end = if seq_at_or_after(self.remote_rwnd_edge, payload_end) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling devices v0.1.0 (/opt/rustwide/workdir/devices) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> devices/src/bus.rs:77:43 [INFO] [stdout] | [INFO] [stdout] 77 | devices: BTreeMap>>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [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] --> devices/src/bus.rs:88:67 [INFO] [stdout] | [INFO] [stdout] 88 | fn first_before(&self, addr: u64) -> Option<(BusRange, &Mutex)> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/bus.rs:98:64 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn get_device(&self, addr: u64) -> Option<(u64, &Mutex)> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/bus.rs:109:48 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn insert(&mut self, device: Arc>, base: u64, len: u64) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/legacy/serial.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | out: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/legacy/serial.rs:73:52 [INFO] [stdout] | [INFO] [stdout] 73 | fn new(interrupt_evt: EventFd, out: Option>) -> Serial { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/legacy/serial.rs:90:53 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new_out(interrupt_evt: EventFd, out: Box) -> Serial { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/block.rs:445:30 [INFO] [stdout] | [INFO] [stdout] 445 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/block.rs:452:34 [INFO] [stdout] | [INFO] [stdout] 452 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/mmio.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | device: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn VirtioDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/mmio.rs:105:46 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn new(mem: GuestMemory, device: Box) -> std::io::Result { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn VirtioDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:281:17 [INFO] [stdout] | [INFO] [stdout] 281 | 0x00...0xff if data.len() == 4 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:306:18 [INFO] [stdout] | [INFO] [stdout] 306 | 0x100...0xfff => self.device.read_config(offset - 0x100, data), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:327:17 [INFO] [stdout] | [INFO] [stdout] 327 | 0x00...0xff if data.len() == 4 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:367:18 [INFO] [stdout] | [INFO] [stdout] 367 | 0x100...0xfff => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/net.rs:629:30 [INFO] [stdout] | [INFO] [stdout] 629 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/net.rs:636:34 [INFO] [stdout] | [INFO] [stdout] 636 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> devices/src/virtio/net.rs:843:17 [INFO] [stdout] | [INFO] [stdout] 843 | let mut mmds_ns = if self.allow_mmds_requests { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vmm v0.1.0 (/opt/rustwide/workdir/vmm) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> vmm/src/device_manager/mmio.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | device: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn devices::virtio::VirtioDevice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [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] --> vmm/src/lib.rs:509:25 [INFO] [stdout] | [INFO] [stdout] 509 | handler: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:510:28 [INFO] [stdout] | [INFO] [stdout] 510 | receiver: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:514:35 [INFO] [stdout] | [INFO] [stdout] 514 | fn new(receiver: Receiver>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:613:69 [INFO] [stdout] | [INFO] [stdout] 613 | fn allocate_tokens(&mut self, count: usize) -> (u64, Sender>) { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:661:72 [INFO] [stdout] | [INFO] [stdout] 661 | fn get_device_handler(&mut self, device_idx: usize) -> Result<&mut EpollHandler> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> vmm/src/lib.rs:1405:9 [INFO] [stdout] | [INFO] [stdout] 1405 | 'poll: loop { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling api_server v0.1.0 (/opt/rustwide/workdir/api_server) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> api_server/src/http_service.rs:473:23 [INFO] [stdout] | [INFO] [stdout] 473 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling firecracker v0.15.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.25s [INFO] running `Command { std: "docker" "inspect" "11d81621c795d7777bbba6d6c821915f93e1d9585cab0ec736071ef1ec28941d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11d81621c795d7777bbba6d6c821915f93e1d9585cab0ec736071ef1ec28941d", kill_on_drop: false }` [INFO] [stdout] 11d81621c795d7777bbba6d6c821915f93e1d9585cab0ec736071ef1ec28941d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e1dbd61a77be0527ef52129ba156b76053b567d0e92ea4c5c9b7766a8b02483a [INFO] running `Command { std: "docker" "start" "-a" "e1dbd61a77be0527ef52129ba156b76053b567d0e92ea4c5c9b7766a8b02483a", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling micro_http v0.1.0 (/opt/rustwide/workdir/micro_http) [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling kvm-bindings v0.1.0 [INFO] [stderr] Compiling arch_gen v0.1.0 (/opt/rustwide/workdir/arch_gen) [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling virtio_gen v0.1.0 (/opt/rustwide/workdir/virtio_gen) [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling sys_util v0.1.0 (/opt/rustwide/workdir/sys_util) [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling fc_util v0.1.0 (/opt/rustwide/workdir/fc_util) [INFO] [stderr] Compiling memory_model v0.1.0 (/opt/rustwide/workdir/memory_model) [INFO] [stderr] Compiling timerfd v1.0.0 [INFO] [stderr] Compiling rand v0.4.5 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling epoll v4.0.1 [INFO] [stderr] Compiling seccomp v0.1.0 (/opt/rustwide/workdir/seccomp) [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling net_gen v0.1.0 (/opt/rustwide/workdir/net_gen) [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> memory_model/src/guest_memory.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | mut buf: &mut [u8], [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling kvm-ioctls v0.1.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel) [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling arch v0.1.0 (/opt/rustwide/workdir/arch) [INFO] [stderr] Compiling cpuid v0.1.0 (/opt/rustwide/workdir/cpuid) [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> kernel/src/cmdline/mod.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | ' '...'~' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> arch/src/x86_64/gdt.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / (((u64::from(base) & 0xff00_0000u64) << (56 - 24)) [INFO] [stdout] 15 | | | ((u64::from(flags) & 0x0000_f0ffu64) << 40) [INFO] [stdout] 16 | | | ((u64::from(limit) & 0x000f_0000u64) << (48 - 16)) [INFO] [stdout] 17 | | | ((u64::from(base) & 0x00ff_ffffu64) << 16) [INFO] [stdout] 18 | | | (u64::from(limit) & 0x0000_ffffu64)) [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 14 | ((u64::from(base) & 0xff00_0000u64) << (56 - 24)) [INFO] [stdout] 15 | | ((u64::from(flags) & 0x0000_f0ffu64) << 40) [INFO] [stdout] 16 | | ((u64::from(limit) & 0x000f_0000u64) << (48 - 16)) [INFO] [stdout] 17 | | ((u64::from(base) & 0x00ff_ffffu64) << 16) [INFO] [stdout] 18 | | (u64::from(limit) & 0x0000_ffffu64) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> arch/src/x86_64/gdt.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / ((((entry) & 0xFF00_0000_0000_0000) >> 32) [INFO] [stdout] 23 | | | (((entry) & 0x0000_00FF_0000_0000) >> 16) [INFO] [stdout] 24 | | | (((entry) & 0x0000_0000_FFFF_0000) >> 16)) [INFO] [stdout] | |____________________________________________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 | (((entry) & 0xFF00_0000_0000_0000) >> 32) [INFO] [stdout] 23 | | (((entry) & 0x0000_00FF_0000_0000) >> 16) [INFO] [stdout] 24 | | (((entry) & 0x0000_0000_FFFF_0000) >> 16) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> arch/src/x86_64/interrupts.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | (((reg) & !0x700) | ((mode) << 8)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> arch/src/x86_64/mod.rs:50:39 [INFO] [stdout] | [INFO] [stdout] 50 | const FIRST_ADDR_PAST_32BITS: usize = (1 << 32); [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> arch/src/x86_64/mod.rs:51:35 [INFO] [stdout] | [INFO] [stdout] 51 | const MEM_32BIT_GAP_SIZE: usize = (768 << 20); [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling tokio-uds v0.1.7 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling tempfile v3.0.5 [INFO] [stderr] Compiling hyper v0.11.16 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling net_util v0.1.0 (/opt/rustwide/workdir/net_util) [INFO] [stderr] Compiling jailer v0.15.0 (/opt/rustwide/workdir/jailer) [INFO] [stderr] Compiling logger v0.1.0 (/opt/rustwide/workdir/logger) [INFO] [stderr] Compiling json-patch v0.2.1 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> logger/src/writers.rs:47:41 [INFO] [stdout] | [INFO] [stdout] 47 | fn get_line_writer(&self) -> Result<(MutexGuard>)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> logger/src/lib.rs:157:60 [INFO] [stdout] | [INFO] [stdout] 157 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering, ATOMIC_USIZE_INIT}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> logger/src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | static STATE: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> logger/src/lib.rs:537:21 [INFO] [stdout] | [INFO] [stdout] 537 | match STATE.compare_and_swap(UNINITIALIZED, locked_state, Ordering::SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/lib.rs:761:57 [INFO] [stdout] | [INFO] [stdout] 761 | Err(LoggerError::LogMetricFailure(e.description().to_string())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/error.rs:54:61 [INFO] [stdout] | [INFO] [stdout] 54 | format!("Failed to open pipe. Error: {}", e.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/error.rs:57:62 [INFO] [stdout] | [INFO] [stdout] 57 | format!("Failed to write logs. Error: {}", e.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> logger/src/error.rs:60:62 [INFO] [stdout] | [INFO] [stdout] 60 | format!("Failed to flush logs. Error: {}", e.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rate_limiter v0.1.0 (/opt/rustwide/workdir/rate_limiter) [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mmds v0.1.0 (/opt/rustwide/workdir/mmds) [INFO] [stderr] Compiling dumbo v0.1.0 (/opt/rustwide/workdir/dumbo) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> dumbo/src/tcp/connection.rs:939:17 [INFO] [stdout] | [INFO] [stdout] 939 | let mut actual_end = if seq_at_or_after(self.remote_rwnd_edge, payload_end) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling devices v0.1.0 (/opt/rustwide/workdir/devices) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> devices/src/bus.rs:77:43 [INFO] [stdout] | [INFO] [stdout] 77 | devices: BTreeMap>>, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [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] --> devices/src/bus.rs:88:67 [INFO] [stdout] | [INFO] [stdout] 88 | fn first_before(&self, addr: u64) -> Option<(BusRange, &Mutex)> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/bus.rs:98:64 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn get_device(&self, addr: u64) -> Option<(u64, &Mutex)> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/bus.rs:109:48 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn insert(&mut self, device: Arc>, base: u64, len: u64) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/legacy/serial.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | out: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/legacy/serial.rs:73:52 [INFO] [stdout] | [INFO] [stdout] 73 | fn new(interrupt_evt: EventFd, out: Option>) -> Serial { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/legacy/serial.rs:90:53 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new_out(interrupt_evt: EventFd, out: Box) -> Serial { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/block.rs:445:30 [INFO] [stdout] | [INFO] [stdout] 445 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/block.rs:452:34 [INFO] [stdout] | [INFO] [stdout] 452 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/mmio.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | device: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn VirtioDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/mmio.rs:105:46 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn new(mem: GuestMemory, device: Box) -> std::io::Result { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn VirtioDevice` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:281:17 [INFO] [stdout] | [INFO] [stdout] 281 | 0x00...0xff if data.len() == 4 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:306:18 [INFO] [stdout] | [INFO] [stdout] 306 | 0x100...0xfff => self.device.read_config(offset - 0x100, data), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:327:17 [INFO] [stdout] | [INFO] [stdout] 327 | 0x00...0xff if data.len() == 4 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> devices/src/virtio/mmio.rs:367:18 [INFO] [stdout] | [INFO] [stdout] 367 | 0x100...0xfff => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/net.rs:629:30 [INFO] [stdout] | [INFO] [stdout] 629 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> devices/src/virtio/net.rs:636:34 [INFO] [stdout] | [INFO] [stdout] 636 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> devices/src/virtio/net.rs:843:17 [INFO] [stdout] | [INFO] [stdout] 843 | let mut mmds_ns = if self.allow_mmds_requests { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vmm v0.1.0 (/opt/rustwide/workdir/vmm) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> vmm/src/device_manager/mmio.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | device: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn devices::virtio::VirtioDevice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [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] --> vmm/src/lib.rs:509:25 [INFO] [stdout] | [INFO] [stdout] 509 | handler: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:510:28 [INFO] [stdout] | [INFO] [stdout] 510 | receiver: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:514:35 [INFO] [stdout] | [INFO] [stdout] 514 | fn new(receiver: Receiver>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:613:69 [INFO] [stdout] | [INFO] [stdout] 613 | fn allocate_tokens(&mut self, count: usize) -> (u64, Sender>) { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> vmm/src/lib.rs:661:72 [INFO] [stdout] | [INFO] [stdout] 661 | fn get_device_handler(&mut self, device_idx: usize) -> Result<&mut EpollHandler> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> vmm/src/lib.rs:1405:9 [INFO] [stdout] | [INFO] [stdout] 1405 | 'poll: loop { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling api_server v0.1.0 (/opt/rustwide/workdir/api_server) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> api_server/src/http_service.rs:473:23 [INFO] [stdout] | [INFO] [stdout] 473 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling firecracker v0.15.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 29.44s [INFO] running `Command { std: "docker" "inspect" "e1dbd61a77be0527ef52129ba156b76053b567d0e92ea4c5c9b7766a8b02483a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1dbd61a77be0527ef52129ba156b76053b567d0e92ea4c5c9b7766a8b02483a", kill_on_drop: false }` [INFO] [stdout] e1dbd61a77be0527ef52129ba156b76053b567d0e92ea4c5c9b7766a8b02483a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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", kill_on_drop: false }` [INFO] [stdout] 53f733b02d9551a0f4cbf2ac23c5608a3be9251b9d3a91576ef6428f49753a39 [INFO] running `Command { std: "docker" "start" "-a" "53f733b02d9551a0f4cbf2ac23c5608a3be9251b9d3a91576ef6428f49753a39", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> memory_model/src/guest_memory.rs:220:9 [INFO] [stderr] | [INFO] [stderr] 220 | mut buf: &mut [u8], [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> arch/src/x86_64/gdt.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | / (((u64::from(base) & 0xff00_0000u64) << (56 - 24)) [INFO] [stderr] 15 | | | ((u64::from(flags) & 0x0000_f0ffu64) << 40) [INFO] [stderr] 16 | | | ((u64::from(limit) & 0x000f_0000u64) << (48 - 16)) [INFO] [stderr] 17 | | | ((u64::from(base) & 0x00ff_ffffu64) << 16) [INFO] [stderr] 18 | | | (u64::from(limit) & 0x0000_ffffu64)) [INFO] [stderr] | |______________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 14 | ((u64::from(base) & 0xff00_0000u64) << (56 - 24)) [INFO] [stderr] 15 | | ((u64::from(flags) & 0x0000_f0ffu64) << 40) [INFO] [stderr] 16 | | ((u64::from(limit) & 0x000f_0000u64) << (48 - 16)) [INFO] [stderr] 17 | | ((u64::from(base) & 0x00ff_ffffu64) << 16) [INFO] [stderr] 18 | | (u64::from(limit) & 0x0000_ffffu64) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> arch/src/x86_64/gdt.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / ((((entry) & 0xFF00_0000_0000_0000) >> 32) [INFO] [stderr] 23 | | | (((entry) & 0x0000_00FF_0000_0000) >> 16) [INFO] [stderr] 24 | | | (((entry) & 0x0000_0000_FFFF_0000) >> 16)) [INFO] [stderr] | |____________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 22 | (((entry) & 0xFF00_0000_0000_0000) >> 32) [INFO] [stderr] 23 | | (((entry) & 0x0000_00FF_0000_0000) >> 16) [INFO] [stderr] 24 | | (((entry) & 0x0000_0000_FFFF_0000) >> 16) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> arch/src/x86_64/interrupts.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | (((reg) & !0x700) | ((mode) << 8)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> arch/src/x86_64/mod.rs:50:39 [INFO] [stderr] | [INFO] [stderr] 50 | const FIRST_ADDR_PAST_32BITS: usize = (1 << 32); [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> arch/src/x86_64/mod.rs:51:35 [INFO] [stderr] | [INFO] [stderr] 51 | const MEM_32BIT_GAP_SIZE: usize = (768 << 20); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> kernel/src/cmdline/mod.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | ' '...'~' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> logger/src/writers.rs:47:41 [INFO] [stderr] | [INFO] [stderr] 47 | fn get_line_writer(&self) -> Result<(MutexGuard>)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stderr] --> logger/src/lib.rs:157:60 [INFO] [stderr] | [INFO] [stderr] 157 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering, ATOMIC_USIZE_INIT}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stderr] --> logger/src/lib.rs:185:29 [INFO] [stderr] | [INFO] [stderr] 185 | static STATE: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> logger/src/lib.rs:537:21 [INFO] [stderr] | [INFO] [stderr] 537 | match STATE.compare_and_swap(UNINITIALIZED, locked_state, Ordering::SeqCst) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> logger/src/lib.rs:761:57 [INFO] [stderr] | [INFO] [stderr] 761 | Err(LoggerError::LogMetricFailure(e.description().to_string())) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> logger/src/error.rs:54:61 [INFO] [stderr] | [INFO] [stderr] 54 | format!("Failed to open pipe. Error: {}", e.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> logger/src/error.rs:57:62 [INFO] [stderr] | [INFO] [stderr] 57 | format!("Failed to write logs. Error: {}", e.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> logger/src/error.rs:60:62 [INFO] [stderr] | [INFO] [stderr] 60 | format!("Failed to flush logs. Error: {}", e.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> dumbo/src/tcp/connection.rs:939:17 [INFO] [stderr] | [INFO] [stderr] 939 | let mut actual_end = if seq_at_or_after(self.remote_rwnd_edge, payload_end) { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/bus.rs:77:43 [INFO] [stderr] | [INFO] [stderr] 77 | devices: BTreeMap>>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/bus.rs:88:67 [INFO] [stderr] | [INFO] [stderr] 88 | fn first_before(&self, addr: u64) -> Option<(BusRange, &Mutex)> { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/bus.rs:98:64 [INFO] [stderr] | [INFO] [stderr] 98 | pub fn get_device(&self, addr: u64) -> Option<(u64, &Mutex)> { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/bus.rs:109:48 [INFO] [stderr] | [INFO] [stderr] 109 | pub fn insert(&mut self, device: Arc>, base: u64, len: u64) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn BusDevice` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/legacy/serial.rs:69:21 [INFO] [stderr] | [INFO] [stderr] 69 | out: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/legacy/serial.rs:73:52 [INFO] [stderr] | [INFO] [stderr] 73 | fn new(interrupt_evt: EventFd, out: Option>) -> Serial { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/legacy/serial.rs:90:53 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn new_out(interrupt_evt: EventFd, out: Box) -> Serial { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/virtio/block.rs:445:30 [INFO] [stderr] | [INFO] [stderr] 445 | sender: mpsc::Sender>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/virtio/block.rs:452:34 [INFO] [stderr] | [INFO] [stderr] 452 | sender: mpsc::Sender>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/virtio/mmio.rs:88:17 [INFO] [stderr] | [INFO] [stderr] 88 | device: Box, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn VirtioDevice` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/virtio/mmio.rs:105:46 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn new(mem: GuestMemory, device: Box) -> std::io::Result { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn VirtioDevice` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> devices/src/virtio/mmio.rs:281:17 [INFO] [stderr] | [INFO] [stderr] 281 | 0x00...0xff if data.len() == 4 => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> devices/src/virtio/mmio.rs:306:18 [INFO] [stderr] | [INFO] [stderr] 306 | 0x100...0xfff => self.device.read_config(offset - 0x100, data), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> devices/src/virtio/mmio.rs:327:17 [INFO] [stderr] | [INFO] [stderr] 327 | 0x00...0xff if data.len() == 4 => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> devices/src/virtio/mmio.rs:367:18 [INFO] [stderr] | [INFO] [stderr] 367 | 0x100...0xfff => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/virtio/net.rs:629:30 [INFO] [stderr] | [INFO] [stderr] 629 | sender: mpsc::Sender>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> devices/src/virtio/net.rs:636:34 [INFO] [stderr] | [INFO] [stderr] 636 | sender: mpsc::Sender>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> devices/src/virtio/net.rs:843:17 [INFO] [stderr] | [INFO] [stderr] 843 | let mut mmds_ns = if self.allow_mmds_requests { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> vmm/src/device_manager/mmio.rs:96:21 [INFO] [stderr] | [INFO] [stderr] 96 | device: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn devices::virtio::VirtioDevice` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> vmm/src/lib.rs:509:25 [INFO] [stderr] | [INFO] [stderr] 509 | handler: Option>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> vmm/src/lib.rs:510:28 [INFO] [stderr] | [INFO] [stderr] 510 | receiver: Receiver>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> vmm/src/lib.rs:514:35 [INFO] [stderr] | [INFO] [stderr] 514 | fn new(receiver: Receiver>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> vmm/src/lib.rs:613:69 [INFO] [stderr] | [INFO] [stderr] 613 | fn allocate_tokens(&mut self, count: usize) -> (u64, Sender>) { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> vmm/src/lib.rs:661:72 [INFO] [stderr] | [INFO] [stderr] 661 | fn get_device_handler(&mut self, device_idx: usize) -> Result<&mut EpollHandler> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EpollHandler` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unused label [INFO] [stderr] --> vmm/src/lib.rs:1405:9 [INFO] [stderr] | [INFO] [stderr] 1405 | 'poll: loop { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> api_server/src/http_service.rs:473:23 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 1 test [INFO] [stderr] 473 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/firecracker-cc22a78f3114ab07) [INFO] [stdout] test tests::test_main ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_main stdout ---- [INFO] [stdout] 2021-06-09T04:51:02.394620697 [anonymous-instance:ERROR:src/main.rs:55] Firecracker panicked at 'Cannot create VMM: Cannot open /dev/kvm. Error: No such file or directory (os error 2)', vmm/src/lib.rs:2013:18 [INFO] [stdout] Could not validate backtrace! [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: _RNvNtCseBtwnUsy3Yo_11firecracker5testss_9test_main (0x56017371bbbc) [INFO] [stdout] at src/main.rs:280 [INFO] [stdout] 1: _RNCNvNtCseBtwnUsy3Yo_11firecracker5tests9test_main0B5_ (0x56017371b4e9) [INFO] [stdout] at src/main.rs:230 [INFO] [stdout] 2: _RNvYNCNvNtCseBtwnUsy3Yo_11firecracker5tests9test_main0INtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuE9call_onceB8_ (0x56017371cb5d) [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227 [INFO] [stdout] 3: _RNvYFEuINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuE9call_onceCskuIlympLvb3_4test (0x560173743202) [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227 [INFO] [stdout] _RINvCskuIlympLvb3_4test28___rust_begin_short_backtraceFEuEB2_ [INFO] [stdout] at library/test/src/lib.rs:577 [INFO] [stdout] 4: _RNvXsG_NtCshECKBmVgND8_5alloc5boxedINtB5_3BoxDINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuNtNtBP_6marker4SendEL_EIBJ_uE9call_onceCskuIlympLvb3_4test (0x560173741ccb) [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575 [INFO] [stdout] _RNvXss_NtCsahqMUB7vfgm_3std5panicINtB5_16AssertUnwindSafeINtNtCshECKBmVgND8_5alloc5boxed3BoxDINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuNtNtB1A_6marker4SendEL_EEIB1u_uE9call_onceCskuIlympLvb3_4test [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346 [INFO] [stdout] _RINvNvNtCsahqMUB7vfgm_3std9panicking3try7do_callINtNtB6_5panic16AssertUnwindSafeINtNtCshECKBmVgND8_5alloc5boxed3BoxDINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuNtNtB1X_6marker4SendEL_EEuECskuIlympLvb3_4test [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401 [INFO] [stdout] _RINvNtCsahqMUB7vfgm_3std9panicking3tryuINtNtB4_5panic16AssertUnwindSafeINtNtCshECKBmVgND8_5alloc5boxed3BoxDINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuNtNtB1O_6marker4SendEL_EEECskuIlympLvb3_4test [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365 [INFO] [stdout] _RINvNtCsahqMUB7vfgm_3std5panic12catch_unwindINtB2_16AssertUnwindSafeINtNtCshECKBmVgND8_5alloc5boxed3BoxDINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuNtNtB1L_6marker4SendEL_EEuECskuIlympLvb3_4test [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433 [INFO] [stdout] _RNvCskuIlympLvb3_4test19run_test_in_process [INFO] [stdout] at library/test/src/lib.rs:600 [INFO] [stdout] _RNCNvNvCskuIlympLvb3_4test8run_test14run_test_inner0B5_ [INFO] [stdout] at library/test/src/lib.rs:492 [INFO] [stdout] 5: _RNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0B5_ (0x560173721991) [INFO] [stdout] at library/test/src/lib.rs:519 [INFO] [stdout] _RINvNtNtCsahqMUB7vfgm_3std10sys_common9backtrace28___rust_begin_short_backtraceNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uEB1l_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125 [INFO] [stdout] 6: _RNCNCINvMNtCsahqMUB7vfgm_3std6threadNtB7_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE00B18_ (0x560173722277) [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:481 [INFO] [stdout] _RNvXss_NtCsahqMUB7vfgm_3std5panicINtB5_16AssertUnwindSafeNCNCINvMNtB7_6threadNtB11_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE00EINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuE9call_onceB1O_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346 [INFO] [stdout] _RINvNvNtCsahqMUB7vfgm_3std9panicking3try7do_callINtNtB6_5panic16AssertUnwindSafeNCNCINvMNtB6_6threadNtB1o_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE00EuEB2b_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401 [INFO] [stdout] _RINvNtCsahqMUB7vfgm_3std9panicking3tryuINtNtB4_5panic16AssertUnwindSafeNCNCINvMNtB4_6threadNtB1f_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE00EEB22_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365 [INFO] [stdout] _RINvNtCsahqMUB7vfgm_3std5panic12catch_unwindINtB2_16AssertUnwindSafeNCNCINvMNtB4_6threadNtB1c_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE00EuEB1Z_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433 [INFO] [stdout] _RNCINvMNtCsahqMUB7vfgm_3std6threadNtB5_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE0B16_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:480 [INFO] [stdout] _RNSNvYNCINvMNtCsahqMUB7vfgm_3std6threadNtBa_7Builder15spawn_uncheckedNCNvNvCskuIlympLvb3_4test8run_test14run_test_inners_0uE0INtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuE9call_once6vtableB1b_ [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227 [INFO] [stdout] 7: _RNvXsG_NtCshECKBmVgND8_5alloc5boxedINtB5_3BoxDINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuEL_EIBJ_uE9call_onceCsahqMUB7vfgm_3std (0x560173c4be86) [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575 [INFO] [stdout] _RNvXsG_NtCshECKBmVgND8_5alloc5boxedINtB5_3BoxIBy_DINtNtNtCskrsM4FCwAVA_4core3ops8function6FnOnceuEp6OutputuEL_EEIBN_uE9call_onceCsahqMUB7vfgm_3std [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575 [INFO] [stdout] _RNvNvMs0_NtNtNtCsahqMUB7vfgm_3std3sys4unix6threadNtB7_6Thread3new12thread_start [INFO] [stdout] at library/std/src/sys/unix/thread.rs:71 [INFO] [stdout] 8: start_thread (0x7f08fc34d608) [INFO] [stdout] 9: __clone (0x7f08fc11f292) [INFO] [stdout] 10: (0x0) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_main [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin firecracker' [INFO] running `Command { std: "docker" "inspect" "53f733b02d9551a0f4cbf2ac23c5608a3be9251b9d3a91576ef6428f49753a39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53f733b02d9551a0f4cbf2ac23c5608a3be9251b9d3a91576ef6428f49753a39", kill_on_drop: false }` [INFO] [stdout] 53f733b02d9551a0f4cbf2ac23c5608a3be9251b9d3a91576ef6428f49753a39