[INFO] cloning repository https://github.com/krebernisak/priority-queue-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krebernisak/priority-queue-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrebernisak%2Fpriority-queue-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrebernisak%2Fpriority-queue-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 537f2a40e4fffc8f2fdff6e12e02e7284ebb7b0a
[INFO] checking krebernisak/priority-queue-rs against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrebernisak%2Fpriority-queue-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krebernisak/priority-queue-rs on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krebernisak/priority-queue-rs
[INFO] finished tweaking git repo https://github.com/krebernisak/priority-queue-rs
[INFO] tweaked toml for git repo https://github.com/krebernisak/priority-queue-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/krebernisak/priority-queue-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce119cb1afd2fabd936c1ff42af48a994344ccc9c59f9b296022d853b29b8c07
[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" "ce119cb1afd2fabd936c1ff42af48a994344ccc9c59f9b296022d853b29b8c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce119cb1afd2fabd936c1ff42af48a994344ccc9c59f9b296022d853b29b8c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce119cb1afd2fabd936c1ff42af48a994344ccc9c59f9b296022d853b29b8c07", kill_on_drop: false }`
[INFO] [stdout] ce119cb1afd2fabd936c1ff42af48a994344ccc9c59f9b296022d853b29b8c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e67429dc57df232b14e795c0183894635c3adb7b6be568df8e2244f84bc30998
[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" "e67429dc57df232b14e795c0183894635c3adb7b6be568df8e2244f84bc30998", kill_on_drop: false }`
[INFO] [stderr]     Checking priority_queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `priority_queue`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / use std::collections::BTreeMap;
[INFO] [stdout] 2   | | use std::convert::TryInto;
[INFO] [stdout] 3   | |
[INFO] [stdout] 4   | | pub trait PriorityQueue<Element> {
[INFO] [stdout] ...   |
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `priority_queue`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e67429dc57df232b14e795c0183894635c3adb7b6be568df8e2244f84bc30998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67429dc57df232b14e795c0183894635c3adb7b6be568df8e2244f84bc30998", kill_on_drop: false }`
[INFO] [stdout] e67429dc57df232b14e795c0183894635c3adb7b6be568df8e2244f84bc30998