[INFO] cloning repository https://github.com/olegnn/union_impl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegnn/union_impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion_impl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion_impl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06749933250a49b45161749e2400911b1cdb25d3 [INFO] checking olegnn/union_impl against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion_impl" "/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/olegnn/union_impl 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/olegnn/union_impl [INFO] finished tweaking git repo https://github.com/olegnn/union_impl [INFO] tweaked toml for git repo https://github.com/olegnn/union_impl written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/olegnn/union_impl 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c35e0161b3353ae687c4d82673a72a5142728dc9f164a0acecbbfe1624a467a [INFO] running `Command { std: "docker" "start" "-a" "3c35e0161b3353ae687c4d82673a72a5142728dc9f164a0acecbbfe1624a467a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c35e0161b3353ae687c4d82673a72a5142728dc9f164a0acecbbfe1624a467a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c35e0161b3353ae687c4d82673a72a5142728dc9f164a0acecbbfe1624a467a", kill_on_drop: false }` [INFO] [stdout] 3c35e0161b3353ae687c4d82673a72a5142728dc9f164a0acecbbfe1624a467a [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47402a17fbda7927a48e289be404169bfc6e6749e37bcbf95e07fcd47253faea [INFO] running `Command { std: "docker" "start" "-a" "47402a17fbda7927a48e289be404169bfc6e6749e37bcbf95e07fcd47253faea", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Checking union_impl v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ActionExpr` [INFO] [stdout] --> src/expr_chain/expr/mod.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | pub use action_expr::{ActionExpr, ProcessActionExpr, DefaultActionExpr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ActionExpr` [INFO] [stdout] --> src/expr_chain/expr/mod.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | pub use action_expr::{ActionExpr, ProcessActionExpr, DefaultActionExpr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/handler/mod.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use syn::{Expr, self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate syn; [INFO] [stdout] | ----------------- the item `syn` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/handler/mod.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use syn::{Expr, self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate syn; [INFO] [stdout] | ----------------- the item `syn` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "47402a17fbda7927a48e289be404169bfc6e6749e37bcbf95e07fcd47253faea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47402a17fbda7927a48e289be404169bfc6e6749e37bcbf95e07fcd47253faea", kill_on_drop: false }` [INFO] [stdout] 47402a17fbda7927a48e289be404169bfc6e6749e37bcbf95e07fcd47253faea [INFO] checking olegnn/union_impl against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion_impl" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/olegnn/union_impl 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/olegnn/union_impl [INFO] finished tweaking git repo https://github.com/olegnn/union_impl [INFO] tweaked toml for git repo https://github.com/olegnn/union_impl written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/olegnn/union_impl 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5fd9cf5686fd6809af44825a8376897c3af1c28a5a11d82ca8254367b27b4591 [INFO] running `Command { std: "docker" "start" "-a" "5fd9cf5686fd6809af44825a8376897c3af1c28a5a11d82ca8254367b27b4591", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fd9cf5686fd6809af44825a8376897c3af1c28a5a11d82ca8254367b27b4591", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fd9cf5686fd6809af44825a8376897c3af1c28a5a11d82ca8254367b27b4591", kill_on_drop: false }` [INFO] [stdout] 5fd9cf5686fd6809af44825a8376897c3af1c28a5a11d82ca8254367b27b4591 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5556f63670f2262963c7aa1089a0fc2d2b6562586834fceb5b9fb9a82a9f5f2d [INFO] running `Command { std: "docker" "start" "-a" "5556f63670f2262963c7aa1089a0fc2d2b6562586834fceb5b9fb9a82a9f5f2d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `syn` (lib) [INFO] running `Command { std: "docker" "inspect" "5556f63670f2262963c7aa1089a0fc2d2b6562586834fceb5b9fb9a82a9f5f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5556f63670f2262963c7aa1089a0fc2d2b6562586834fceb5b9fb9a82a9f5f2d", kill_on_drop: false }` [INFO] [stdout] 5556f63670f2262963c7aa1089a0fc2d2b6562586834fceb5b9fb9a82a9f5f2d