[INFO] fetching crate vrcp 0.1.0-alpha.2...
[INFO] checking vrcp-0.1.0-alpha.2 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate vrcp 0.1.0-alpha.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vrcp 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate vrcp 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate vrcp 0.1.0-alpha.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vrcp 0.1.0-alpha.2 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vrcp 0.1.0-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a365072510069891d66e97f1578f65eb7849ca7eceba857850a03d102ccaa5f6
[INFO] running `Command { std: "docker" "start" "-a" "a365072510069891d66e97f1578f65eb7849ca7eceba857850a03d102ccaa5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a365072510069891d66e97f1578f65eb7849ca7eceba857850a03d102ccaa5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a365072510069891d66e97f1578f65eb7849ca7eceba857850a03d102ccaa5f6", kill_on_drop: false }`
[INFO] [stdout] a365072510069891d66e97f1578f65eb7849ca7eceba857850a03d102ccaa5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a03478c12680ea73a09bc82a31340055e83ae56867be108726aaf793fa82bef
[INFO] running `Command { std: "docker" "start" "-a" "7a03478c12680ea73a09bc82a31340055e83ae56867be108726aaf793fa82bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking sysinfo v0.34.2
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking vrcp v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Connection` is never constructed
[INFO] [stdout]    --> src/lib.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct Connection {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vrcp` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Connection` is never constructed
[INFO] [stdout]    --> src/lib.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct Connection {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vrcp` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7a03478c12680ea73a09bc82a31340055e83ae56867be108726aaf793fa82bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a03478c12680ea73a09bc82a31340055e83ae56867be108726aaf793fa82bef", kill_on_drop: false }`
[INFO] [stdout] 7a03478c12680ea73a09bc82a31340055e83ae56867be108726aaf793fa82bef
