[INFO] cloning repository https://github.com/nathantypanski/dailyprogrammer-386-partition-counts [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathantypanski/dailyprogrammer-386-partition-counts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Fdailyprogrammer-386-partition-counts", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Fdailyprogrammer-386-partition-counts'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dcab2b8abf16e8f454dd2afdbedff4a5279cfa7c [INFO] checking nathantypanski/dailyprogrammer-386-partition-counts against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Fdailyprogrammer-386-partition-counts" "/workspace/builds/worker-105/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nathantypanski/dailyprogrammer-386-partition-counts on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nathantypanski/dailyprogrammer-386-partition-counts [INFO] finished tweaking git repo https://github.com/nathantypanski/dailyprogrammer-386-partition-counts [INFO] tweaked toml for git repo https://github.com/nathantypanski/dailyprogrammer-386-partition-counts written to /workspace/builds/worker-105/source/Cargo.toml [INFO] crate git repo https://github.com/nathantypanski/dailyprogrammer-386-partition-counts already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 315717c0b45268a73cc564fd53d2fcf799314c0d0d81714234ede636dea683d4 [INFO] running `Command { std: "docker" "start" "-a" "315717c0b45268a73cc564fd53d2fcf799314c0d0d81714234ede636dea683d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "315717c0b45268a73cc564fd53d2fcf799314c0d0d81714234ede636dea683d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "315717c0b45268a73cc564fd53d2fcf799314c0d0d81714234ede636dea683d4", kill_on_drop: false }` [INFO] [stdout] 315717c0b45268a73cc564fd53d2fcf799314c0d0d81714234ede636dea683d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbfa9e71eccd6f3ffd8e14c64ca13465d3a115f5bcf2b64d16e50547c336d83e [INFO] running `Command { std: "docker" "start" "-a" "fbfa9e71eccd6f3ffd8e14c64ca13465d3a115f5bcf2b64d16e50547c336d83e", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking partition-counts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | &odd.next().expect("Should always be next"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | let _ = &odd.next().expect("Should always be next"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | &odd.next().expect("Should always be next"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | let _ = &odd.next().expect("Should always be next"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.57s [INFO] running `Command { std: "docker" "inspect" "fbfa9e71eccd6f3ffd8e14c64ca13465d3a115f5bcf2b64d16e50547c336d83e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbfa9e71eccd6f3ffd8e14c64ca13465d3a115f5bcf2b64d16e50547c336d83e", kill_on_drop: false }` [INFO] [stdout] fbfa9e71eccd6f3ffd8e14c64ca13465d3a115f5bcf2b64d16e50547c336d83e