[INFO] fetching crate handoff_counter 0.8.5... [INFO] testing handoff_counter-0.8.5 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate handoff_counter 0.8.5 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate handoff_counter 0.8.5 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate handoff_counter 0.8.5 [INFO] finished tweaking crates.io crate handoff_counter 0.8.5 [INFO] tweaked toml for crates.io crate handoff_counter 0.8.5 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab5b6982b6b71626ec0aeaa1d50cb1fce14fd07853d43c40c832b51edea2e9c4 [INFO] running `Command { std: "docker" "start" "-a" "ab5b6982b6b71626ec0aeaa1d50cb1fce14fd07853d43c40c832b51edea2e9c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab5b6982b6b71626ec0aeaa1d50cb1fce14fd07853d43c40c832b51edea2e9c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab5b6982b6b71626ec0aeaa1d50cb1fce14fd07853d43c40c832b51edea2e9c4", kill_on_drop: false }` [INFO] [stdout] ab5b6982b6b71626ec0aeaa1d50cb1fce14fd07853d43c40c832b51edea2e9c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64b37e1bb1f3ed7655a0cde855c10a5acece7b2c283002ca69bd13f9c7f1cf2e [INFO] running `Command { std: "docker" "start" "-a" "64b37e1bb1f3ed7655a0cde855c10a5acece7b2c283002ca69bd13f9c7f1cf2e", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling handoff_counter v0.8.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/handoff_counter.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Env` [INFO] [stdout] --> src/bin/simulate.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `Command { std: "docker" "inspect" "64b37e1bb1f3ed7655a0cde855c10a5acece7b2c283002ca69bd13f9c7f1cf2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64b37e1bb1f3ed7655a0cde855c10a5acece7b2c283002ca69bd13f9c7f1cf2e", kill_on_drop: false }` [INFO] [stdout] 64b37e1bb1f3ed7655a0cde855c10a5acece7b2c283002ca69bd13f9c7f1cf2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f41b59dbcb0b0d56253a23f4e1d85ff319d3a8e43ffa312e0832670009e32bb [INFO] running `Command { std: "docker" "start" "-a" "2f41b59dbcb0b0d56253a23f4e1d85ff319d3a8e43ffa312e0832670009e32bb", kill_on_drop: false }` [INFO] [stderr] Compiling handoff_counter v0.8.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/handoff_counter.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/handoff_counter.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Env` [INFO] [stdout] --> src/bin/simulate.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.16s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2f41b59dbcb0b0d56253a23f4e1d85ff319d3a8e43ffa312e0832670009e32bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f41b59dbcb0b0d56253a23f4e1d85ff319d3a8e43ffa312e0832670009e32bb", kill_on_drop: false }` [INFO] [stdout] 2f41b59dbcb0b0d56253a23f4e1d85ff319d3a8e43ffa312e0832670009e32bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d5800c5946d376d64ec645a36c2e4f7e55d67e2819aa50d998de8c9d69eec4c3 [INFO] running `Command { std: "docker" "start" "-a" "d5800c5946d376d64ec645a36c2e4f7e55d67e2819aa50d998de8c9d69eec4c3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/handoff_counter.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/handoff_counter.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut v = self.vals.get_mut(&self.id).unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Env` [INFO] [stderr] --> src/bin/simulate.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/handoff_counter-ca45a523892c5c17) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simulate-090f566a81627919) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests handoff_counter [INFO] [stdout] test tests::random_trace_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.19s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d5800c5946d376d64ec645a36c2e4f7e55d67e2819aa50d998de8c9d69eec4c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5800c5946d376d64ec645a36c2e4f7e55d67e2819aa50d998de8c9d69eec4c3", kill_on_drop: false }` [INFO] [stdout] d5800c5946d376d64ec645a36c2e4f7e55d67e2819aa50d998de8c9d69eec4c3