[INFO] fetching crate pi_lfstack 0.1.5...
[INFO] checking pi_lfstack-0.1.5 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate pi_lfstack 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pi_lfstack 0.1.5 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_lfstack 0.1.5
[INFO] finished tweaking crates.io crate pi_lfstack 0.1.5
[INFO] tweaked toml for crates.io crate pi_lfstack 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b033b053d5265bc7cfa555ff5c8b39d211a04ab3b36543d6bb42e4f9b6526ffc
[INFO] running `Command { std: "docker" "start" "-a" "b033b053d5265bc7cfa555ff5c8b39d211a04ab3b36543d6bb42e4f9b6526ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b033b053d5265bc7cfa555ff5c8b39d211a04ab3b36543d6bb42e4f9b6526ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b033b053d5265bc7cfa555ff5c8b39d211a04ab3b36543d6bb42e4f9b6526ffc", kill_on_drop: false }`
[INFO] [stdout] b033b053d5265bc7cfa555ff5c8b39d211a04ab3b36543d6bb42e4f9b6526ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4289235503d41ee7f294c73426b77ed6926456272801546033f2ddd6cbbd54
[INFO] running `Command { std: "docker" "start" "-a" "2f4289235503d41ee7f294c73426b77ed6926456272801546033f2ddd6cbbd54", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking pi_lfstack v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `lfstack`
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate lfstack;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> tests/test.rs:258:50
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 cache_clone.lock().unwrap().push((*frame));
[INFO] [stdout]     |                                                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 258 -                 cache_clone.lock().unwrap().push((*frame));
[INFO] [stdout] 258 +                 cache_clone.lock().unwrap().push(*frame);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> tests/test.rs:297:50
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 cache_clone.lock().unwrap().push((*frame));
[INFO] [stdout]     |                                                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 297 -                 cache_clone.lock().unwrap().push((*frame));
[INFO] [stdout] 297 +                 cache_clone.lock().unwrap().push(*frame);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_lfstack` (test "test") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2f4289235503d41ee7f294c73426b77ed6926456272801546033f2ddd6cbbd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4289235503d41ee7f294c73426b77ed6926456272801546033f2ddd6cbbd54", kill_on_drop: false }`
[INFO] [stdout] 2f4289235503d41ee7f294c73426b77ed6926456272801546033f2ddd6cbbd54
