[INFO] fetching crate meio 0.97.0...
[INFO] checking meio-0.97.0 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate meio 0.97.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate meio 0.97.0 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meio 0.97.0
[INFO] finished tweaking crates.io crate meio 0.97.0
[INFO] tweaked toml for crates.io crate meio 0.97.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 103 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.6.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] [stderr]       Adding tokio-util v0.6.10 (available: v0.7.15)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d64acc75e61fc9d4a6065fda90e51742c842fe3d4ea25fdf002d49c02810d6b8
[INFO] running `Command { std: "docker" "start" "-a" "d64acc75e61fc9d4a6065fda90e51742c842fe3d4ea25fdf002d49c02810d6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64acc75e61fc9d4a6065fda90e51742c842fe3d4ea25fdf002d49c02810d6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64acc75e61fc9d4a6065fda90e51742c842fe3d4ea25fdf002d49c02810d6b8", kill_on_drop: false }`
[INFO] [stdout] d64acc75e61fc9d4a6065fda90e51742c842fe3d4ea25fdf002d49c02810d6b8
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97d1ffcfd6819a2b8f3de4bf53ecc68a7bd240d6e44c524abf53cc2412ccd4b
[INFO] running `Command { std: "docker" "start" "-a" "b97d1ffcfd6819a2b8f3de4bf53ecc68a7bd240d6e44c524abf53cc2412ccd4b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking meio v0.97.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:296:24
[INFO] [stdout]     |
[INFO] [stdout] 296 |     struct ActorSingle(usize);
[INFO] [stdout]     |            ----------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `Command { std: "docker" "inspect" "b97d1ffcfd6819a2b8f3de4bf53ecc68a7bd240d6e44c524abf53cc2412ccd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97d1ffcfd6819a2b8f3de4bf53ecc68a7bd240d6e44c524abf53cc2412ccd4b", kill_on_drop: false }`
[INFO] [stdout] b97d1ffcfd6819a2b8f3de4bf53ecc68a7bd240d6e44c524abf53cc2412ccd4b