[INFO] fetching crate cc-queue 0.0.1...
[INFO] checking cc-queue-0.0.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate cc-queue 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cc-queue 0.0.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cc-queue 0.0.1
[INFO] finished tweaking crates.io crate cc-queue 0.0.1
[INFO] tweaked toml for crates.io crate cc-queue 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50a1ee92ad7f690d6c4c67bd86a604548632cc55593f4055faf5f09db6f3e4d0
[INFO] running `Command { std: "docker" "start" "-a" "50a1ee92ad7f690d6c4c67bd86a604548632cc55593f4055faf5f09db6f3e4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a1ee92ad7f690d6c4c67bd86a604548632cc55593f4055faf5f09db6f3e4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a1ee92ad7f690d6c4c67bd86a604548632cc55593f4055faf5f09db6f3e4d0", kill_on_drop: false }`
[INFO] [stdout] 50a1ee92ad7f690d6c4c67bd86a604548632cc55593f4055faf5f09db6f3e4d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec45f1d2d45a7009ed16a1fbf7d037d685f6cd83892e4bd0b86540d22f7eac0
[INFO] running `Command { std: "docker" "start" "-a" "dec45f1d2d45a7009ed16a1fbf7d037d685f6cd83892e4bd0b86540d22f7eac0", kill_on_drop: false }`
[INFO] [stderr]     Checking cc-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/allocators/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::std::heap::Alloc;
[INFO] [stdout]   |            ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/allocators/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::std::heap::Heap;
[INFO] [stdout]   |            ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/allocators/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::std::heap::Layout;
[INFO] [stdout]   |            ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/allocators/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::std::heap::Alloc;
[INFO] [stdout]   |            ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/allocators/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::std::heap::Heap;
[INFO] [stdout]   |            ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/allocators/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::std::heap::Layout;
[INFO] [stdout]   |            ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `integer_atomics`
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(integer_atomics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `integer_atomics`
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(integer_atomics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cc-queue` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cc-queue` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "dec45f1d2d45a7009ed16a1fbf7d037d685f6cd83892e4bd0b86540d22f7eac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec45f1d2d45a7009ed16a1fbf7d037d685f6cd83892e4bd0b86540d22f7eac0", kill_on_drop: false }`
[INFO] [stdout] dec45f1d2d45a7009ed16a1fbf7d037d685f6cd83892e4bd0b86540d22f7eac0