[INFO] cloning repository https://github.com/nateq314/projeuler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nateq314/projeuler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnateq314%2Fprojeuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnateq314%2Fprojeuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65cfb2bf00d129c1982d784c5ed1ba125e4d2f19
[INFO] testing nateq314/projeuler-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnateq314%2Fprojeuler-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nateq314/projeuler-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nateq314/projeuler-rust
[INFO] finished tweaking git repo https://github.com/nateq314/projeuler-rust
[INFO] tweaked toml for git repo https://github.com/nateq314/projeuler-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nateq314/projeuler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f07d8f2388763e71ce5cecfd89e2532db234d26737cdf21c31a932bdda470eb
[INFO] running `Command { std: "docker" "start" "-a" "6f07d8f2388763e71ce5cecfd89e2532db234d26737cdf21c31a932bdda470eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f07d8f2388763e71ce5cecfd89e2532db234d26737cdf21c31a932bdda470eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f07d8f2388763e71ce5cecfd89e2532db234d26737cdf21c31a932bdda470eb", kill_on_drop: false }`
[INFO] [stdout] 6f07d8f2388763e71ce5cecfd89e2532db234d26737cdf21c31a932bdda470eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49c760de93d42dfe919fc3518243e280fdb05039e51e4f99f2d09fbbfe0505b9
[INFO] running `Command { std: "docker" "start" "-a" "49c760de93d42dfe919fc3518243e280fdb05039e51e4f99f2d09fbbfe0505b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling projeuler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/problems/problem001.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solution() -> String {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/problems/problem002.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solution() -> String {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "49c760de93d42dfe919fc3518243e280fdb05039e51e4f99f2d09fbbfe0505b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c760de93d42dfe919fc3518243e280fdb05039e51e4f99f2d09fbbfe0505b9", kill_on_drop: false }`
[INFO] [stdout] 49c760de93d42dfe919fc3518243e280fdb05039e51e4f99f2d09fbbfe0505b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86b8d5ae8d48efacf352746171d147cb5a754b73f5a81f5b7ce566cbf36b079f
[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" "86b8d5ae8d48efacf352746171d147cb5a754b73f5a81f5b7ce566cbf36b079f", kill_on_drop: false }`
[INFO] [stderr]    Compiling projeuler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/problems/problem001.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solution() -> String {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/problems/problem002.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solution() -> String {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "86b8d5ae8d48efacf352746171d147cb5a754b73f5a81f5b7ce566cbf36b079f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b8d5ae8d48efacf352746171d147cb5a754b73f5a81f5b7ce566cbf36b079f", kill_on_drop: false }`
[INFO] [stdout] 86b8d5ae8d48efacf352746171d147cb5a754b73f5a81f5b7ce566cbf36b079f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddd74a9802cdeb2818321bf40f716334554427d490fbad00bf937a9ad5d58f8a
[INFO] running `Command { std: "docker" "start" "-a" "ddd74a9802cdeb2818321bf40f716334554427d490fbad00bf937a9ad5d58f8a", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `solution`
[INFO] [stderr]  --> src/problems/problem001.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn solution() -> String {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solution`
[INFO] [stderr]  --> src/problems/problem002.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn solution() -> String {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `projeuler-rust` (bin "projeuler-rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/projeuler_rust-c0d4bc9e9527f156)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddd74a9802cdeb2818321bf40f716334554427d490fbad00bf937a9ad5d58f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd74a9802cdeb2818321bf40f716334554427d490fbad00bf937a9ad5d58f8a", kill_on_drop: false }`
[INFO] [stdout] ddd74a9802cdeb2818321bf40f716334554427d490fbad00bf937a9ad5d58f8a