[INFO] fetching crate lc3_vm 0.1.0... [INFO] checking lc3_vm-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate lc3_vm 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate lc3_vm 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lc3_vm 0.1.0 [INFO] finished tweaking crates.io crate lc3_vm 0.1.0 [INFO] tweaked toml for crates.io crate lc3_vm 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 6 packages [INFO] [stderr] Adding signal-hook v0.1.17 (latest: v0.3.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5524eac917a3204daa8fc906e727f6a7e2a022e479701a1acd63cc9c4d4c4d2 [INFO] running `Command { std: "docker" "start" "-a" "e5524eac917a3204daa8fc906e727f6a7e2a022e479701a1acd63cc9c4d4c4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5524eac917a3204daa8fc906e727f6a7e2a022e479701a1acd63cc9c4d4c4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5524eac917a3204daa8fc906e727f6a7e2a022e479701a1acd63cc9c4d4c4d2", kill_on_drop: false }` [INFO] [stdout] e5524eac917a3204daa8fc906e727f6a7e2a022e479701a1acd63cc9c4d4c4d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ab14b1268ba8a8bdb443bee048d8d7df908219785363f14207aed3486051964 [INFO] running `Command { std: "docker" "start" "-a" "2ab14b1268ba8a8bdb443bee048d8d7df908219785363f14207aed3486051964", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking lc3_vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:672:9 [INFO] [stdout] | [INFO] [stdout] 672 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/select.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use libc::{self, c_int}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/sys/select.rs:19:39 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:672:9 [INFO] [stdout] | [INFO] [stdout] 672 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/select.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use libc::{self, c_int}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RawFd` is imported redundantly [INFO] [stdout] --> src/sys/select.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 133 | use super::*; [INFO] [stdout] | -------- the item `RawFd` is already imported here [INFO] [stdout] 134 | use std::os::unix::io::RawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/sys/select.rs:19:39 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sys/terminal.rs:39:52 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sys/terminal.rs:39:52 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `fd_set` does not permit being left uninitialized [INFO] [stdout] --> src/sys/select.rs:19:34 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `fd_set` does not permit being left uninitialized [INFO] [stdout] --> src/sys/select.rs:19:34 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "2ab14b1268ba8a8bdb443bee048d8d7df908219785363f14207aed3486051964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ab14b1268ba8a8bdb443bee048d8d7df908219785363f14207aed3486051964", kill_on_drop: false }` [INFO] [stdout] 2ab14b1268ba8a8bdb443bee048d8d7df908219785363f14207aed3486051964 [INFO] checking lc3_vm-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate lc3_vm 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate lc3_vm 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lc3_vm 0.1.0 [INFO] finished tweaking crates.io crate lc3_vm 0.1.0 [INFO] tweaked toml for crates.io crate lc3_vm 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4775fa77003fd9ce1dae0d0af59fc43aa04af0ad2cb959c18eb5a6a38d3937e8 [INFO] running `Command { std: "docker" "start" "-a" "4775fa77003fd9ce1dae0d0af59fc43aa04af0ad2cb959c18eb5a6a38d3937e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4775fa77003fd9ce1dae0d0af59fc43aa04af0ad2cb959c18eb5a6a38d3937e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4775fa77003fd9ce1dae0d0af59fc43aa04af0ad2cb959c18eb5a6a38d3937e8", kill_on_drop: false }` [INFO] [stdout] 4775fa77003fd9ce1dae0d0af59fc43aa04af0ad2cb959c18eb5a6a38d3937e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7d53e87cb74041f1fdcc9c4d14d7600061f512493951539e9f8ac40da773409 [INFO] running `Command { std: "docker" "start" "-a" "b7d53e87cb74041f1fdcc9c4d14d7600061f512493951539e9f8ac40da773409", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking lc3_vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:672:9 [INFO] [stdout] | [INFO] [stdout] 672 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/select.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use libc::{self, c_int}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/sys/select.rs:19:39 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/errno.rs:672:9 [INFO] [stdout] | [INFO] [stdout] 672 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys/select.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use libc::{self, c_int}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RawFd` is imported redundantly [INFO] [stdout] --> src/sys/select.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 133 | use super::*; [INFO] [stdout] | -------- the item `RawFd` is already imported here [INFO] [stdout] 134 | use std::os::unix::io::RawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/sys/select.rs:19:39 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sys/terminal.rs:39:52 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sys/terminal.rs:39:52 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn spawn_control_c_handler() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `fd_set` does not permit being left uninitialized [INFO] [stdout] --> src/sys/select.rs:19:34 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `fd_set` does not permit being left uninitialized [INFO] [stdout] --> src/sys/select.rs:19:34 [INFO] [stdout] | [INFO] [stdout] 19 | let mut fdset = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "b7d53e87cb74041f1fdcc9c4d14d7600061f512493951539e9f8ac40da773409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7d53e87cb74041f1fdcc9c4d14d7600061f512493951539e9f8ac40da773409", kill_on_drop: false }` [INFO] [stdout] b7d53e87cb74041f1fdcc9c4d14d7600061f512493951539e9f8ac40da773409