[INFO] cloning repository https://github.com/mozabbas/complex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozabbas/complex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozabbas%2Fcomplex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozabbas%2Fcomplex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2666c9007bb0d92629ae48d874be05703de1bb31 [INFO] checking mozabbas/complex against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozabbas%2Fcomplex" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mozabbas/complex on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mozabbas/complex [INFO] finished tweaking git repo https://github.com/mozabbas/complex [INFO] tweaked toml for git repo https://github.com/mozabbas/complex written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mozabbas/complex 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking mozabbas/complex against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozabbas%2Fcomplex" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mozabbas/complex on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mozabbas/complex [INFO] finished tweaking git repo https://github.com/mozabbas/complex [INFO] tweaked toml for git repo https://github.com/mozabbas/complex written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mozabbas/complex 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fb571788ff3b7e7f08f118a9382dc5fbfc19a9b301ea145bf23eb1e50e9b56d [INFO] running `Command { std: "docker" "start" "-a" "4fb571788ff3b7e7f08f118a9382dc5fbfc19a9b301ea145bf23eb1e50e9b56d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fb571788ff3b7e7f08f118a9382dc5fbfc19a9b301ea145bf23eb1e50e9b56d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fb571788ff3b7e7f08f118a9382dc5fbfc19a9b301ea145bf23eb1e50e9b56d", kill_on_drop: false }` [INFO] [stdout] 4fb571788ff3b7e7f08f118a9382dc5fbfc19a9b301ea145bf23eb1e50e9b56d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8fd54cfe5f2baa2b49d9d4f25599927714eadf2e2195da9f5f943ba291046e1 [INFO] running `Command { std: "docker" "start" "-a" "f8fd54cfe5f2baa2b49d9d4f25599927714eadf2e2195da9f5f943ba291046e1", kill_on_drop: false }` [INFO] [stderr] Checking complex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Complex` is never constructed [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | struct Complex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | define_complex!(); [INFO] [stdout] | ----------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `Complex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `define_complex` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Complex` is never constructed [INFO] [stdout] --> src/lib.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 182 | struct Complex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Complex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Complex` is never constructed [INFO] [stdout] --> src/lib.rs:190:12 [INFO] [stdout] | [INFO] [stdout] 190 | struct Complex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Complex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Complex` is never constructed [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | struct Complex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | define_complex!(); [INFO] [stdout] | ----------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `Complex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `define_complex` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Complex` is never constructed [INFO] [stdout] --> src/lib.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 182 | struct Complex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Complex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Complex` is never constructed [INFO] [stdout] --> src/lib.rs:190:12 [INFO] [stdout] | [INFO] [stdout] 190 | struct Complex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Complex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | std::mem::forget(z); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `first_cut::Complex` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(forgetting_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 76 - std::mem::forget(z); [INFO] [stdout] 76 + let _ = z; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "f8fd54cfe5f2baa2b49d9d4f25599927714eadf2e2195da9f5f943ba291046e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8fd54cfe5f2baa2b49d9d4f25599927714eadf2e2195da9f5f943ba291046e1", kill_on_drop: false }` [INFO] [stdout] f8fd54cfe5f2baa2b49d9d4f25599927714eadf2e2195da9f5f943ba291046e1