[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#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextlevelprogrammer%2Fproject_euler" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nextlevelprogrammer/project_euler on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc90ba70ca9d0e8863fed461cd96d8724178e3dcad1d3f1404fc1f24b053f752
[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" "cc90ba70ca9d0e8863fed461cd96d8724178e3dcad1d3f1404fc1f24b053f752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc90ba70ca9d0e8863fed461cd96d8724178e3dcad1d3f1404fc1f24b053f752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc90ba70ca9d0e8863fed461cd96d8724178e3dcad1d3f1404fc1f24b053f752", kill_on_drop: false }`
[INFO] [stdout] cc90ba70ca9d0e8863fed461cd96d8724178e3dcad1d3f1404fc1f24b053f752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f519a44be638910c30d974118c952d05fe98dd0416c57b67c1a5b6af454999cd
[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" "f519a44be638910c30d974118c952d05fe98dd0416c57b67c1a5b6af454999cd", kill_on_drop: false }`
[INFO] [stderr]     Checking prime v0.1.0 (/opt/rustwide/workdir/dep/prime)
[INFO] [stderr]     Checking numbers v0.1.0 (/opt/rustwide/workdir/dep/numbers)
[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: 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[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: build failed
[INFO] running `Command { std: "docker" "inspect" "f519a44be638910c30d974118c952d05fe98dd0416c57b67c1a5b6af454999cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f519a44be638910c30d974118c952d05fe98dd0416c57b67c1a5b6af454999cd", kill_on_drop: false }`
[INFO] [stdout] f519a44be638910c30d974118c952d05fe98dd0416c57b67c1a5b6af454999cd