[INFO] fetching crate bioyino-metric 0.5.0...
[INFO] checking bioyino-metric-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate bioyino-metric 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bioyino-metric 0.5.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bioyino-metric 0.5.0
[INFO] finished tweaking crates.io crate bioyino-metric 0.5.0
[INFO] tweaked toml for crates.io crate bioyino-metric 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages
[INFO] [stderr]       Adding capnp v0.14.11 (latest: v0.19.3)
[INFO] [stderr]       Adding capnpc v0.14.9 (latest: v0.19.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical-parse-integer v0.8.6
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.5
[INFO] [stderr]   Downloaded lazysort v0.2.1
[INFO] [stderr]   Downloaded lexical-core v0.8.5
[INFO] [stderr]   Downloaded capnpc v0.14.9
[INFO] [stderr]   Downloaded capnp v0.14.11
[INFO] [stderr]   Downloaded lexical-util v0.8.5
[INFO] [stderr]   Downloaded lexical-write-float v0.8.5
[INFO] [stderr]   Downloaded lexical-parse-float v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e510cfd7ad3c3f876fd6526ed3a671b88f3e04055232b5ebfc0123437b0b2ea
[INFO] running `Command { std: "docker" "start" "-a" "6e510cfd7ad3c3f876fd6526ed3a671b88f3e04055232b5ebfc0123437b0b2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e510cfd7ad3c3f876fd6526ed3a671b88f3e04055232b5ebfc0123437b0b2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e510cfd7ad3c3f876fd6526ed3a671b88f3e04055232b5ebfc0123437b0b2ea", kill_on_drop: false }`
[INFO] [stdout] 6e510cfd7ad3c3f876fd6526ed3a671b88f3e04055232b5ebfc0123437b0b2ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f288bd80cef56fe5b277796e18f74dd21d0a15cdb8194418d581e94cfe331c42
[INFO] running `Command { std: "docker" "start" "-a" "f288bd80cef56fe5b277796e18f74dd21d0a15cdb8194418d581e94cfe331c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling capnp v0.14.11
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking lazysort v0.2.1
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling capnpc v0.14.9
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bioyino-metric v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]    --> src/aggregate.rs:407:28
[INFO] [stdout]     |
[INFO] [stdout] 404 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 407 |     use std::collections::{HashMap, HashSet};
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 7.57s
[INFO] running `Command { std: "docker" "inspect" "f288bd80cef56fe5b277796e18f74dd21d0a15cdb8194418d581e94cfe331c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f288bd80cef56fe5b277796e18f74dd21d0a15cdb8194418d581e94cfe331c42", kill_on_drop: false }`
[INFO] [stdout] f288bd80cef56fe5b277796e18f74dd21d0a15cdb8194418d581e94cfe331c42