[INFO] fetching crate requiem-rt 1.0.0... [INFO] building requiem-rt-1.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate requiem-rt 1.0.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate requiem-rt 1.0.0 [INFO] finished tweaking crates.io crate requiem-rt 1.0.0 [INFO] tweaked toml for crates.io crate requiem-rt 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate requiem-rt 1.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 58 packages to latest compatible versions [INFO] [stderr] Adding tokio v0.2.25 (available: v1.47.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded requiem-threadpool v0.3.1 [INFO] [stderr] Downloaded requiem-macros v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a44cdd20a951ea65da52872c40a0bb922fe961fe748978362f71a4ae5e54984 [INFO] running `Command { std: "docker" "start" "-a" "9a44cdd20a951ea65da52872c40a0bb922fe961fe748978362f71a4ae5e54984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a44cdd20a951ea65da52872c40a0bb922fe961fe748978362f71a4ae5e54984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a44cdd20a951ea65da52872c40a0bb922fe961fe748978362f71a4ae5e54984", kill_on_drop: false }` [INFO] [stdout] 9a44cdd20a951ea65da52872c40a0bb922fe961fe748978362f71a4ae5e54984 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c101e29a4b33799fb5ed5bcaacb6f6e58f87b40d0c6b092845e9e9e052b39d1b [INFO] running `Command { std: "docker" "start" "-a" "c101e29a4b33799fb5ed5bcaacb6f6e58f87b40d0c6b092845e9e9e052b39d1b", kill_on_drop: false }` [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling copyless v0.1.5 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling requiem-macros v0.1.1 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling requiem-threadpool v0.3.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling requiem-rt v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: field `system` is never read [INFO] [stdout] --> src/builder.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub(crate) struct AsyncSystemRunner { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] 112 | stop: Receiver, [INFO] [stdout] 113 | system: System, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AsyncSystemRunner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | #![deny(rust_2018_idioms, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `system` is never read [INFO] [stdout] --> src/builder.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct SystemRunner { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | system: System, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SystemRunner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `requiem-rt` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c101e29a4b33799fb5ed5bcaacb6f6e58f87b40d0c6b092845e9e9e052b39d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c101e29a4b33799fb5ed5bcaacb6f6e58f87b40d0c6b092845e9e9e052b39d1b", kill_on_drop: false }` [INFO] [stdout] c101e29a4b33799fb5ed5bcaacb6f6e58f87b40d0c6b092845e9e9e052b39d1b