[INFO] cloning repository https://github.com/tiziano88/shuttle-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiziano88/shuttle-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fshuttle-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fshuttle-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1422b3d4da98e47078e348cc2e08f931a10c2455 [INFO] checking tiziano88/shuttle-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fshuttle-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiziano88/shuttle-rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiziano88/shuttle-rs [INFO] finished tweaking git repo https://github.com/tiziano88/shuttle-rs [INFO] tweaked toml for git repo https://github.com/tiziano88/shuttle-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tiziano88/shuttle-rs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 718bfa7a9b905420a4cffd1b9956490408af653fafab8708b221a4497c90e9bc [INFO] running `Command { std: "docker" "start" "-a" "718bfa7a9b905420a4cffd1b9956490408af653fafab8708b221a4497c90e9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "718bfa7a9b905420a4cffd1b9956490408af653fafab8708b221a4497c90e9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "718bfa7a9b905420a4cffd1b9956490408af653fafab8708b221a4497c90e9bc", kill_on_drop: false }` [INFO] [stdout] 718bfa7a9b905420a4cffd1b9956490408af653fafab8708b221a4497c90e9bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4ab2102cb726ca4ebca13eec782ec48ce2c2c89eab0ffe17de05a5cd6d031dc [INFO] running `Command { std: "docker" "start" "-a" "c4ab2102cb726ca4ebca13eec782ec48ce2c2c89eab0ffe17de05a5cd6d031dc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking toml v0.5.7 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking wheel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{Read, Write}; [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::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:150:26 [INFO] [stdout] | [INFO] [stdout] 150 | let home = std::env::home_dir().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:150:26 [INFO] [stdout] | [INFO] [stdout] 150 | let home = std::env::home_dir().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event` [INFO] [stdout] --> src/main.rs:248:13 [INFO] [stdout] | [INFO] [stdout] 248 | let event = x11_dl::xlib::XMotionEvent { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `x` is never used [INFO] [stdout] --> src/main.rs:243:4 [INFO] [stdout] | [INFO] [stdout] 243 | fn x() { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:135:37 [INFO] [stdout] | [INFO] [stdout] 135 | ... exec(a); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 135 | let _ = exec(a); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event` [INFO] [stdout] --> src/main.rs:248:13 [INFO] [stdout] | [INFO] [stdout] 248 | let event = x11_dl::xlib::XMotionEvent { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `x` is never used [INFO] [stdout] --> src/main.rs:243:4 [INFO] [stdout] | [INFO] [stdout] 243 | fn x() { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:135:37 [INFO] [stdout] | [INFO] [stdout] 135 | ... exec(a); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 135 | let _ = exec(a); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s [INFO] running `Command { std: "docker" "inspect" "c4ab2102cb726ca4ebca13eec782ec48ce2c2c89eab0ffe17de05a5cd6d031dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4ab2102cb726ca4ebca13eec782ec48ce2c2c89eab0ffe17de05a5cd6d031dc", kill_on_drop: false }` [INFO] [stdout] c4ab2102cb726ca4ebca13eec782ec48ce2c2c89eab0ffe17de05a5cd6d031dc [INFO] checking tiziano88/shuttle-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fshuttle-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiziano88/shuttle-rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiziano88/shuttle-rs [INFO] finished tweaking git repo https://github.com/tiziano88/shuttle-rs [INFO] tweaked toml for git repo https://github.com/tiziano88/shuttle-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tiziano88/shuttle-rs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 48e367aa395eb85cd59da2724d9f458c046064c3a86e9f5ad58d5e3b54bfc1e4 [INFO] running `Command { std: "docker" "start" "-a" "48e367aa395eb85cd59da2724d9f458c046064c3a86e9f5ad58d5e3b54bfc1e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48e367aa395eb85cd59da2724d9f458c046064c3a86e9f5ad58d5e3b54bfc1e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e367aa395eb85cd59da2724d9f458c046064c3a86e9f5ad58d5e3b54bfc1e4", kill_on_drop: false }` [INFO] [stdout] 48e367aa395eb85cd59da2724d9f458c046064c3a86e9f5ad58d5e3b54bfc1e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d7c2b445fd3c6dcfeecda536da1add624dfa4fb03507d9ac4f7f711f4ab565d [INFO] running `Command { std: "docker" "start" "-a" "0d7c2b445fd3c6dcfeecda536da1add624dfa4fb03507d9ac4f7f711f4ab565d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.3/src/inflate/core.rs:1060:9 [INFO] [stdout] | [INFO] [stdout] 1060 | / match state { [INFO] [stdout] 1061 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1062 | | l.bit_buf = 0; [INFO] [stdout] 1063 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1592 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1593 | | }; [INFO] [stdout] | |_________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.2.0/src/enumerator.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | / match self.enumerator.context.device_from_syspath(syspath) { [INFO] [stdout] 160 | | Ok(d) => return Some(d), [INFO] [stdout] 161 | | Err(_) => continue [INFO] [stdout] 162 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libudev` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0d7c2b445fd3c6dcfeecda536da1add624dfa4fb03507d9ac4f7f711f4ab565d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d7c2b445fd3c6dcfeecda536da1add624dfa4fb03507d9ac4f7f711f4ab565d", kill_on_drop: false }` [INFO] [stdout] 0d7c2b445fd3c6dcfeecda536da1add624dfa4fb03507d9ac4f7f711f4ab565d