[INFO] fetching crate counting-networks 0.1.3...
[INFO] checking counting-networks-0.1.3 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate counting-networks 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate counting-networks 0.1.3 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate counting-networks 0.1.3
[INFO] finished tweaking crates.io crate counting-networks 0.1.3
[INFO] tweaked toml for crates.io crate counting-networks 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afe8d5a8ecae420d7aaf9a78280c76bd9ae21c1732ac95f5c74735dd43bb020e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afe8d5a8ecae420d7aaf9a78280c76bd9ae21c1732ac95f5c74735dd43bb020e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afe8d5a8ecae420d7aaf9a78280c76bd9ae21c1732ac95f5c74735dd43bb020e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe8d5a8ecae420d7aaf9a78280c76bd9ae21c1732ac95f5c74735dd43bb020e", kill_on_drop: false }`
[INFO] [stdout] afe8d5a8ecae420d7aaf9a78280c76bd9ae21c1732ac95f5c74735dd43bb020e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee06cd9c9cbf1d542e5877366d874887e813f62e76cc4e68a69e9e99be9886be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee06cd9c9cbf1d542e5877366d874887e813f62e76cc4e68a69e9e99be9886be", kill_on_drop: false }`
[INFO] [stderr]     Checking counting-networks v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/networks/bitonic.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::heap::{Alloc, 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/networks/bitonic.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stdout]   |          ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `counting-networks`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ee06cd9c9cbf1d542e5877366d874887e813f62e76cc4e68a69e9e99be9886be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee06cd9c9cbf1d542e5877366d874887e813f62e76cc4e68a69e9e99be9886be", kill_on_drop: false }`
[INFO] [stdout] ee06cd9c9cbf1d542e5877366d874887e813f62e76cc4e68a69e9e99be9886be