[INFO] cloning repository https://github.com/archer884/jmarcher-euler-10
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/jmarcher-euler-10" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fjmarcher-euler-10", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fjmarcher-euler-10'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 529a3774b9d27f8b3fee573d8075bcd34d8a9f34
[INFO] checking archer884/jmarcher-euler-10 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fjmarcher-euler-10" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/jmarcher-euler-10 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archer884/jmarcher-euler-10
[INFO] finished tweaking git repo https://github.com/archer884/jmarcher-euler-10
[INFO] tweaked toml for git repo https://github.com/archer884/jmarcher-euler-10 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/jmarcher-euler-10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[INFO] [stderr]   Downloaded primal-check v0.2.3
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded primal-sieve v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1195cd620405814aeccbd24764e38b0e8192250b2783a3f3b0449a817b5f7dcd
[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" "1195cd620405814aeccbd24764e38b0e8192250b2783a3f3b0449a817b5f7dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1195cd620405814aeccbd24764e38b0e8192250b2783a3f3b0449a817b5f7dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1195cd620405814aeccbd24764e38b0e8192250b2783a3f3b0449a817b5f7dcd", kill_on_drop: false }`
[INFO] [stdout] 1195cd620405814aeccbd24764e38b0e8192250b2783a3f3b0449a817b5f7dcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 228f6b43a17a0f331762dc686e57f2851b7221c7f5125b4fa0a6c0bf61f39017
[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" "228f6b43a17a0f331762dc686e57f2851b7221c7f5125b4fa0a6c0bf61f39017", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.8
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking jmarcher-euler-10 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn new(limit: u64) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "228f6b43a17a0f331762dc686e57f2851b7221c7f5125b4fa0a6c0bf61f39017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228f6b43a17a0f331762dc686e57f2851b7221c7f5125b4fa0a6c0bf61f39017", kill_on_drop: false }`
[INFO] [stdout] 228f6b43a17a0f331762dc686e57f2851b7221c7f5125b4fa0a6c0bf61f39017