[INFO] fetching crate meio 0.97.0...
[INFO] checking meio-0.97.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate meio 0.97.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate meio 0.97.0 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 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-7-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]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] [stderr]       Adding env_logger v0.9.3 (latest: v0.11.5)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding hyper v0.14.30 (latest: v1.4.1)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding send_wrapper v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding tokio-util v0.6.10 (latest: v0.7.11)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.10.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b47a323453d152466e58fcec9ba8f8d025ee98d6b887728c0b937aed61391052
[INFO] running `Command { std: "docker" "start" "-a" "b47a323453d152466e58fcec9ba8f8d025ee98d6b887728c0b937aed61391052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47a323453d152466e58fcec9ba8f8d025ee98d6b887728c0b937aed61391052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47a323453d152466e58fcec9ba8f8d025ee98d6b887728c0b937aed61391052", kill_on_drop: false }`
[INFO] [stdout] b47a323453d152466e58fcec9ba8f8d025ee98d6b887728c0b937aed61391052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 308cf51a5b6f1ec16476258e777dee0a2c69e807d5d79907692bc153ae6b02c6
[INFO] running `Command { std: "docker" "start" "-a" "308cf51a5b6f1ec16476258e777dee0a2c69e807d5d79907692bc153ae6b02c6", kill_on_drop: false }`
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking hyper v0.14.30
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `Command { std: "docker" "inspect" "308cf51a5b6f1ec16476258e777dee0a2c69e807d5d79907692bc153ae6b02c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308cf51a5b6f1ec16476258e777dee0a2c69e807d5d79907692bc153ae6b02c6", kill_on_drop: false }`
[INFO] [stdout] 308cf51a5b6f1ec16476258e777dee0a2c69e807d5d79907692bc153ae6b02c6