[INFO] cloning repository https://github.com/mgsloan/nightwriter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgsloan/nightwriter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Fnightwriter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Fnightwriter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a76ce37f3b386a50a59158dbbfdf455f2cb940ca [INFO] checking mgsloan/nightwriter against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Fnightwriter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mgsloan/nightwriter on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mgsloan/nightwriter [INFO] finished tweaking git repo https://github.com/mgsloan/nightwriter [INFO] tweaked toml for git repo https://github.com/mgsloan/nightwriter written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mgsloan/nightwriter already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.8 [INFO] [stderr] Downloaded autocfg v0.1.5 [INFO] [stderr] Downloaded memchr v2.3.0 [INFO] [stderr] Downloaded structopt v0.2.18 [INFO] [stderr] Downloaded cc v1.0.38 [INFO] [stderr] Downloaded x11 v2.18.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded chrono v0.4.7 [INFO] [stderr] Downloaded backtrace v0.3.34 [INFO] [stderr] Downloaded structopt-derive v0.2.18 [INFO] [stderr] Downloaded regex v1.3.3 [INFO] [stderr] Downloaded regex-syntax v0.6.13 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded quickcheck_derive v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f631fc8d2ecf78c33e7ee357867c63c75a49c2c4ea78c59fa2f648d969d392d6 [INFO] running `Command { std: "docker" "start" "-a" "f631fc8d2ecf78c33e7ee357867c63c75a49c2c4ea78c59fa2f648d969d392d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f631fc8d2ecf78c33e7ee357867c63c75a49c2c4ea78c59fa2f648d969d392d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f631fc8d2ecf78c33e7ee357867c63c75a49c2c4ea78c59fa2f648d969d392d6", kill_on_drop: false }` [INFO] [stdout] f631fc8d2ecf78c33e7ee357867c63c75a49c2c4ea78c59fa2f648d969d392d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f862e0898762d93212fcb78d2d3ef0c8649dd122f6d75dd78a91b2945eb846b [INFO] running `Command { std: "docker" "start" "-a" "0f862e0898762d93212fcb78d2d3ef0c8649dd122f6d75dd78a91b2945eb846b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking getrandom v0.1.8 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Checking backtrace v0.3.34 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling quickcheck_derive v0.2.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking nightwriter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/grab_keyboard.rs:124:47 [INFO] [stdout] | [INFO] [stdout] 124 | let mut buffer: [u8; 16] = unsafe { [mem::uninitialized(); 16] }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/grab_keyboard.rs:124:47 [INFO] [stdout] | [INFO] [stdout] 124 | let mut buffer: [u8; 16] = unsafe { [mem::uninitialized(); 16] }; [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/grab_keyboard.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | handle_keypress: &Fn(KeyPress) -> Result, Error>, [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] 24 | handle_keypress: &dyn Fn(KeyPress) -> Result, Error>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grab_keyboard.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | handle_keypress: &Fn(KeyPress) -> Result, Error>, [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] 24 | handle_keypress: &dyn Fn(KeyPress) -> Result, Error>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u8` does not permit being left uninitialized [INFO] [stdout] --> src/grab_keyboard.rs:124:42 [INFO] [stdout] | [INFO] [stdout] 124 | let mut buffer: [u8; 16] = unsafe { [mem::uninitialized(); 16] }; [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: the type `u8` does not permit being left uninitialized [INFO] [stdout] --> src/grab_keyboard.rs:124:42 [INFO] [stdout] | [INFO] [stdout] 124 | let mut buffer: [u8; 16] = unsafe { [mem::uninitialized(); 16] }; [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0f862e0898762d93212fcb78d2d3ef0c8649dd122f6d75dd78a91b2945eb846b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f862e0898762d93212fcb78d2d3ef0c8649dd122f6d75dd78a91b2945eb846b", kill_on_drop: false }` [INFO] [stdout] 0f862e0898762d93212fcb78d2d3ef0c8649dd122f6d75dd78a91b2945eb846b