[INFO] cloning repository https://github.com/gcp/rustywin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gcp/rustywin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcp%2Frustywin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcp%2Frustywin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c05856f61343ac2f75592b0c0f954a3e048497e9 [INFO] checking gcp/rustywin against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcp%2Frustywin" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gcp/rustywin 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/gcp/rustywin [INFO] finished tweaking git repo https://github.com/gcp/rustywin [INFO] tweaked toml for git repo https://github.com/gcp/rustywin written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gcp/rustywin 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... 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"/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] 38a424711d02348d1d2a063a0222751f25c40ac62387586f6b471383664d1a47 [INFO] running `Command { std: "docker" "start" "-a" "38a424711d02348d1d2a063a0222751f25c40ac62387586f6b471383664d1a47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38a424711d02348d1d2a063a0222751f25c40ac62387586f6b471383664d1a47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38a424711d02348d1d2a063a0222751f25c40ac62387586f6b471383664d1a47", kill_on_drop: false }` [INFO] [stdout] 38a424711d02348d1d2a063a0222751f25c40ac62387586f6b471383664d1a47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 644d6cad618efff6c4b549b6ad8522a6640d438f9ba014ea8cd94d17703b6fbb [INFO] running `Command { std: "docker" "start" "-a" "644d6cad618efff6c4b549b6ad8522a6640d438f9ba014ea8cd94d17703b6fbb", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking dirs v1.0.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking nom v4.1.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking rustywin v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IResult`, `Needed`, `le_i16` [INFO] [stdout] --> src/analyze.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use nom::{le_i16, le_u16, le_u24, le_u32, le_u8, IResult, Needed}; [INFO] [stdout] | ^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/socket.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/socket.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use dirs; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate dirs; [INFO] [stdout] | ------------------ the item `dirs` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/socket.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/socket.rs:12:48 [INFO] [stdout] | [INFO] [stdout] 11 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Seek` is already imported here [INFO] [stdout] 12 | use std::io::{BufReader, BufWriter, ErrorKind, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/socketloop.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/analyze.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / quick_error! { [INFO] [stdout] 10 | | #[derive(Debug)] [INFO] [stdout] 11 | | pub enum ParseError { [INFO] [stdout] 12 | | ParseFail { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/analyze.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / quick_error! { [INFO] [stdout] 10 | | #[derive(Debug)] [INFO] [stdout] 11 | | pub enum ParseError { [INFO] [stdout] 12 | | ParseFail { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:36:31 [INFO] [stdout] | [INFO] [stdout] 36 | pub type DumpFile = Arc>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] 36 | pub type DumpFile = Arc>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IResult`, `Needed`, `le_i16` [INFO] [stdout] --> src/analyze.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use nom::{le_i16, le_u16, le_u24, le_u32, le_u8, IResult, Needed}; [INFO] [stdout] | ^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/socket.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/socket.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use dirs; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate dirs; [INFO] [stdout] | ------------------ the item `dirs` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/socket.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/socket.rs:12:48 [INFO] [stdout] | [INFO] [stdout] 11 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Seek` is already imported here [INFO] [stdout] 12 | use std::io::{BufReader, BufWriter, ErrorKind, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/socketloop.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/analyze.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / quick_error! { [INFO] [stdout] 10 | | #[derive(Debug)] [INFO] [stdout] 11 | | pub enum ParseError { [INFO] [stdout] 12 | | ParseFail { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/analyze.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | / quick_error! { [INFO] [stdout] 10 | | #[derive(Debug)] [INFO] [stdout] 11 | | pub enum ParseError { [INFO] [stdout] 12 | | ParseFail { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:36:31 [INFO] [stdout] | [INFO] [stdout] 36 | pub type DumpFile = Arc>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] 36 | pub type DumpFile = Arc>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reject_buff` [INFO] [stdout] --> src/socketloop.rs:287:21 [INFO] [stdout] | [INFO] [stdout] 287 | let reject_buff = filtered_buffer_pair.1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reject_buff` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Denied` is never constructed [INFO] [stdout] --> src/analyze.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub enum Outcome { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 23 | Allowed, [INFO] [stdout] 24 | Denied, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Outcome` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `screen_num` is never used [INFO] [stdout] --> src/display.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl X11ConnectionDescriptor { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn screen_num(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reject_buff` [INFO] [stdout] --> src/socketloop.rs:287:21 [INFO] [stdout] | [INFO] [stdout] 287 | let reject_buff = filtered_buffer_pair.1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reject_buff` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Denied` is never constructed [INFO] [stdout] --> src/analyze.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub enum Outcome { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 23 | Allowed, [INFO] [stdout] 24 | Denied, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Outcome` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `screen_num` is never used [INFO] [stdout] --> src/display.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl X11ConnectionDescriptor { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn screen_num(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.18s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "644d6cad618efff6c4b549b6ad8522a6640d438f9ba014ea8cd94d17703b6fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "644d6cad618efff6c4b549b6ad8522a6640d438f9ba014ea8cd94d17703b6fbb", kill_on_drop: false }` [INFO] [stdout] 644d6cad618efff6c4b549b6ad8522a6640d438f9ba014ea8cd94d17703b6fbb