[INFO] cloning repository https://github.com/CordlessCoder/structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CordlessCoder/structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Fstructures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Fstructures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e4c618cbbacf063bcdb53fee729a57b86e5b901
[INFO] checking CordlessCoder/structures against master#3f6250a7bb79e600d9036bbc7c8f65af43933643 for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Fstructures" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CordlessCoder/structures
[INFO] finished tweaking git repo https://github.com/CordlessCoder/structures
[INFO] tweaked toml for git repo https://github.com/CordlessCoder/structures written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CordlessCoder/structures on toolchain 3f6250a7bb79e600d9036bbc7c8f65af43933643
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CordlessCoder/structures 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" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 325a7c879c1cc37bba69c4ee5c3a76671587924299ee39d1d757fa0ae3de9c3e
[INFO] running `Command { std: "docker" "start" "-a" "325a7c879c1cc37bba69c4ee5c3a76671587924299ee39d1d757fa0ae3de9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "325a7c879c1cc37bba69c4ee5c3a76671587924299ee39d1d757fa0ae3de9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325a7c879c1cc37bba69c4ee5c3a76671587924299ee39d1d757fa0ae3de9c3e", kill_on_drop: false }`
[INFO] [stdout] 325a7c879c1cc37bba69c4ee5c3a76671587924299ee39d1d757fa0ae3de9c3e
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6bee33157132c0ddc76707bee1c6df49ab6d55156c3d7a6775fe7bd7a1e1bde
[INFO] running `Command { std: "docker" "start" "-a" "a6bee33157132c0ddc76707bee1c6df49ab6d55156c3d7a6775fe7bd7a1e1bde", kill_on_drop: false }`
[INFO] [stderr]     Checking structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `task::RawWakerVTable`
[INFO] [stdout]  --> src/table/mod.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem::MaybeUninit, ptr::NonNull, task::RawWakerVTable};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment
[INFO] [stdout]   --> src/table/mod.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Self { len: 0, raw: _ }
[INFO] [stdout]    |                             ^ `_` not allowed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::RawWakerVTable`
[INFO] [stdout]  --> src/table/mod.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem::MaybeUninit, ptr::NonNull, task::RawWakerVTable};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment
[INFO] [stdout]   --> src/table/mod.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Self { len: 0, raw: _ }
[INFO] [stdout]    |                             ^ `_` not allowed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structures` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `structures` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a6bee33157132c0ddc76707bee1c6df49ab6d55156c3d7a6775fe7bd7a1e1bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bee33157132c0ddc76707bee1c6df49ab6d55156c3d7a6775fe7bd7a1e1bde", kill_on_drop: false }`
[INFO] [stdout] a6bee33157132c0ddc76707bee1c6df49ab6d55156c3d7a6775fe7bd7a1e1bde
