[INFO] fetching crate piper 0.2.4... [INFO] checking piper-0.2.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate piper 0.2.4 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate piper 0.2.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate piper 0.2.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate piper 0.2.4 [INFO] tweaked toml for crates.io crate piper 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 87 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.16) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded easy-parallel v3.3.1 [INFO] [stderr] Downloaded portable-atomic-util v0.2.2 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aedabf52eb3f6cbe34cbbe6adc68e2452641b95b9003b024ecf2c8f0fdb56335 [INFO] running `Command { std: "docker" "start" "-a" "aedabf52eb3f6cbe34cbbe6adc68e2452641b95b9003b024ecf2c8f0fdb56335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aedabf52eb3f6cbe34cbbe6adc68e2452641b95b9003b024ecf2c8f0fdb56335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aedabf52eb3f6cbe34cbbe6adc68e2452641b95b9003b024ecf2c8f0fdb56335", kill_on_drop: false }` [INFO] [stdout] aedabf52eb3f6cbe34cbbe6adc68e2452641b95b9003b024ecf2c8f0fdb56335 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff8c163f5660c6dbfb80daa00c7dd3166bd73b1d06f0ba2c5bbf8a6305742958 [INFO] running `Command { std: "docker" "start" "-a" "ff8c163f5660c6dbfb80daa00c7dd3166bd73b1d06f0ba2c5bbf8a6305742958", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking easy-parallel v3.3.1 [INFO] [stderr] Checking piper v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:543:13 [INFO] [stdout] | [INFO] [stdout] 543 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:569:13 [INFO] [stdout] | [INFO] [stdout] 569 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:847:13 [INFO] [stdout] | [INFO] [stdout] 847 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:869:13 [INFO] [stdout] | [INFO] [stdout] 869 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking polling v3.7.3 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking async-executor v1.13.0 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking async-io v2.3.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:543:13 [INFO] [stdout] | [INFO] [stdout] 543 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:569:13 [INFO] [stdout] | [INFO] [stdout] 569 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:847:13 [INFO] [stdout] | [INFO] [stdout] 847 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:869:13 [INFO] [stdout] | [INFO] [stdout] 869 | Poll::Ready(Err(e)) => match e {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.75s [INFO] running `Command { std: "docker" "inspect" "ff8c163f5660c6dbfb80daa00c7dd3166bd73b1d06f0ba2c5bbf8a6305742958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff8c163f5660c6dbfb80daa00c7dd3166bd73b1d06f0ba2c5bbf8a6305742958", kill_on_drop: false }` [INFO] [stdout] ff8c163f5660c6dbfb80daa00c7dd3166bd73b1d06f0ba2c5bbf8a6305742958