[INFO] cloning repository https://github.com/chrischtel/rask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrischtel/rask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischtel%2Frask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischtel%2Frask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3f09df9e7a2569fa980444c245ea9a9e494fe85
[INFO] checking chrischtel/rask against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischtel%2Frask" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chrischtel/rask
[INFO] finished tweaking git repo https://github.com/chrischtel/rask
[INFO] tweaked toml for git repo https://github.com/chrischtel/rask written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chrischtel/rask on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chrischtel/rask 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 431891ccb363b24653723ca3e179947048769432ce8155578abfedff56fd65b5
[INFO] running `Command { std: "docker" "start" "-a" "431891ccb363b24653723ca3e179947048769432ce8155578abfedff56fd65b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "431891ccb363b24653723ca3e179947048769432ce8155578abfedff56fd65b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431891ccb363b24653723ca3e179947048769432ce8155578abfedff56fd65b5", kill_on_drop: false }`
[INFO] [stdout] 431891ccb363b24653723ca3e179947048769432ce8155578abfedff56fd65b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a0cbb79818eaceae5c7fb7d9b53f236cc1426f61dced97eb7f9f8accc1aa1d7
[INFO] running `Command { std: "docker" "start" "-a" "8a0cbb79818eaceae5c7fb7d9b53f236cc1426f61dced97eb7f9f8accc1aa1d7", kill_on_drop: false }`
[INFO] [stderr]     Checking rask-common v0.1.0 (/opt/rustwide/workdir/crates/rask-common)
[INFO] [stdout] error: struct `VirtualReg` is never constructed
[INFO] [stdout]   --> crates/rask-common/src/lib.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct VirtualReg(u32);
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rask-common` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `VirtualReg` is never constructed
[INFO] [stdout]   --> crates/rask-common/src/lib.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct VirtualReg(u32);
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rask-common` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8a0cbb79818eaceae5c7fb7d9b53f236cc1426f61dced97eb7f9f8accc1aa1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0cbb79818eaceae5c7fb7d9b53f236cc1426f61dced97eb7f9f8accc1aa1d7", kill_on_drop: false }`
[INFO] [stdout] 8a0cbb79818eaceae5c7fb7d9b53f236cc1426f61dced97eb7f9f8accc1aa1d7
