[INFO] cloning repository https://github.com/nextlevelprogrammer/project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nextlevelprogrammer/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextlevelprogrammer%2Fproject_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextlevelprogrammer%2Fproject_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47369f5df05c759b4145af92c96e3574a21a5968
[INFO] checking nextlevelprogrammer/project_euler against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextlevelprogrammer%2Fproject_euler" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nextlevelprogrammer/project_euler on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nextlevelprogrammer/project_euler
[INFO] finished tweaking git repo https://github.com/nextlevelprogrammer/project_euler
[INFO] tweaked toml for git repo https://github.com/nextlevelprogrammer/project_euler written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nextlevelprogrammer/project_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7fc9dfc31cc61159a63c61cec69906bdc9380d2580afbab34c8b7d3b79503ef
[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" "c7fc9dfc31cc61159a63c61cec69906bdc9380d2580afbab34c8b7d3b79503ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7fc9dfc31cc61159a63c61cec69906bdc9380d2580afbab34c8b7d3b79503ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fc9dfc31cc61159a63c61cec69906bdc9380d2580afbab34c8b7d3b79503ef", kill_on_drop: false }`
[INFO] [stdout] c7fc9dfc31cc61159a63c61cec69906bdc9380d2580afbab34c8b7d3b79503ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d14c8bfce8c61f419fc89aeb6e3a2e455bfe4c1b9d3a624ee59491f15bc4a6ca
[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" "d14c8bfce8c61f419fc89aeb6e3a2e455bfe4c1b9d3a624ee59491f15bc4a6ca", kill_on_drop: false }`
[INFO] [stderr]     Checking numbers v0.1.0 (/opt/rustwide/workdir/dep/numbers)
[INFO] [stderr]     Checking prime v0.1.0 (/opt/rustwide/workdir/dep/prime)
[INFO] [stderr]     Checking project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `numbers::is_perfect_square`
[INFO] [stdout]  --> src/bin/p09.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use numbers::is_perfect_square;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `is_perfect_square` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `numbers::is_perfect_square`
[INFO] [stdout]  --> src/bin/p09.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use numbers::is_perfect_square;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `is_perfect_square` in the root
[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 `project_euler`
[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" "d14c8bfce8c61f419fc89aeb6e3a2e455bfe4c1b9d3a624ee59491f15bc4a6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14c8bfce8c61f419fc89aeb6e3a2e455bfe4c1b9d3a624ee59491f15bc4a6ca", kill_on_drop: false }`
[INFO] [stdout] d14c8bfce8c61f419fc89aeb6e3a2e455bfe4c1b9d3a624ee59491f15bc4a6ca