[INFO] cloning repository https://github.com/evant/prime-multiples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evant/prime-multiples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevant%2Fprime-multiples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevant%2Fprime-multiples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 058522b48d4cb9d508374d483c7070e4154ad5a4 [INFO] checking evant/prime-multiples against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevant%2Fprime-multiples" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/evant/prime-multiples on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/evant/prime-multiples [INFO] finished tweaking git repo https://github.com/evant/prime-multiples [INFO] tweaked toml for git repo https://github.com/evant/prime-multiples written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/evant/prime-multiples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8039be8cc17df17503b0baff0547d1eb8502b02f4b830d70e10953037cce1fc1 [INFO] running `Command { std: "docker" "start" "-a" "8039be8cc17df17503b0baff0547d1eb8502b02f4b830d70e10953037cce1fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8039be8cc17df17503b0baff0547d1eb8502b02f4b830d70e10953037cce1fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8039be8cc17df17503b0baff0547d1eb8502b02f4b830d70e10953037cce1fc1", kill_on_drop: false }` [INFO] [stdout] 8039be8cc17df17503b0baff0547d1eb8502b02f4b830d70e10953037cce1fc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07b6f3b4649f92e26ce258d1514415ab4465bb4450a6f537abdf2af1c12c27c4 [INFO] running `Command { std: "docker" "start" "-a" "07b6f3b4649f92e26ce258d1514415ab4465bb4450a6f537abdf2af1c12c27c4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling gmp-mpfr-sys v1.4.2 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Compiling rug v1.11.0 [INFO] [stderr] Checking primal-estimate v0.3.1 [INFO] [stderr] Checking smallvec v1.5.0 [INFO] [stderr] Checking az v1.0.0 [INFO] [stderr] Checking primal-bit v0.3.0 [INFO] [stderr] Checking primal-sieve v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking primal-check v0.3.1 [INFO] [stderr] Checking primal v0.3.0 [INFO] [stderr] Checking prime_multiples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | writeln!(results, "{}", n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | writeln!(results, "{}", n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 41s [INFO] running `Command { std: "docker" "inspect" "07b6f3b4649f92e26ce258d1514415ab4465bb4450a6f537abdf2af1c12c27c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07b6f3b4649f92e26ce258d1514415ab4465bb4450a6f537abdf2af1c12c27c4", kill_on_drop: false }` [INFO] [stdout] 07b6f3b4649f92e26ce258d1514415ab4465bb4450a6f537abdf2af1c12c27c4