[INFO] cloning repository https://github.com/ryanmccauley211/math-algos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanmccauley211/math-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanmccauley211%2Fmath-algos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanmccauley211%2Fmath-algos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bae413e0287162d6c0ab383df482dafafa1fbb1e [INFO] testing ryanmccauley211/math-algos against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanmccauley211%2Fmath-algos" "/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/ryanmccauley211/math-algos on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryanmccauley211/math-algos [INFO] finished tweaking git repo https://github.com/ryanmccauley211/math-algos [INFO] tweaked toml for git repo https://github.com/ryanmccauley211/math-algos written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ryanmccauley211/math-algos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 199bdf918d9309571ac5eff34906db84608f745c324178a42f78763a86391857 [INFO] running `Command { std: "docker" "start" "-a" "199bdf918d9309571ac5eff34906db84608f745c324178a42f78763a86391857", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "199bdf918d9309571ac5eff34906db84608f745c324178a42f78763a86391857", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "199bdf918d9309571ac5eff34906db84608f745c324178a42f78763a86391857", kill_on_drop: false }` [INFO] [stdout] 199bdf918d9309571ac5eff34906db84608f745c324178a42f78763a86391857 [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d58fdb955e6fd026213d1d57f01fb72d4c88e3897a8e72570c12d9a3334b4e42 [INFO] running `Command { std: "docker" "start" "-a" "d58fdb955e6fd026213d1d57f01fb72d4c88e3897a8e72570c12d9a3334b4e42", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling math-algos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/factors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/factors.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArgSettings`, `SubCommand` [INFO] [stdout] --> src/factors.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use clap::{Arg, App, SubCommand, ArgSettings, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/factors.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | if (target % i == 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.04s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d58fdb955e6fd026213d1d57f01fb72d4c88e3897a8e72570c12d9a3334b4e42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d58fdb955e6fd026213d1d57f01fb72d4c88e3897a8e72570c12d9a3334b4e42", kill_on_drop: false }` [INFO] [stdout] d58fdb955e6fd026213d1d57f01fb72d4c88e3897a8e72570c12d9a3334b4e42 [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bd81e020a512bf62ec59ee0605e717dbf6c5346b50f0db08e17dc99f7f85af1 [INFO] running `Command { std: "docker" "start" "-a" "5bd81e020a512bf62ec59ee0605e717dbf6c5346b50f0db08e17dc99f7f85af1", kill_on_drop: false }` [INFO] [stderr] Compiling math-algos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/factors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/factors.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArgSettings`, `SubCommand` [INFO] [stdout] --> src/factors.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use clap::{Arg, App, SubCommand, ArgSettings, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/factors.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | if (target % i == 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "5bd81e020a512bf62ec59ee0605e717dbf6c5346b50f0db08e17dc99f7f85af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bd81e020a512bf62ec59ee0605e717dbf6c5346b50f0db08e17dc99f7f85af1", kill_on_drop: false }` [INFO] [stdout] 5bd81e020a512bf62ec59ee0605e717dbf6c5346b50f0db08e17dc99f7f85af1 [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e312ac6a0c5ae9753a7824ff3d12a5c84488b15d9c5b51bf9244225c73ea41fd [INFO] running `Command { std: "docker" "start" "-a" "e312ac6a0c5ae9753a7824ff3d12a5c84488b15d9c5b51bf9244225c73ea41fd", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/factors.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/factors.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ArgSettings`, `SubCommand` [INFO] [stderr] --> src/factors.rs:4:22 [INFO] [stderr] | [INFO] [stderr] 4 | use clap::{Arg, App, SubCommand, ArgSettings, ArgMatches}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/factors.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | if (target % i == 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `math-algos` (bin "factors" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/factors-245cbc9c58b1fa05) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/multiples-fc5665aaa8275acb) [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" "e312ac6a0c5ae9753a7824ff3d12a5c84488b15d9c5b51bf9244225c73ea41fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e312ac6a0c5ae9753a7824ff3d12a5c84488b15d9c5b51bf9244225c73ea41fd", kill_on_drop: false }` [INFO] [stdout] e312ac6a0c5ae9753a7824ff3d12a5c84488b15d9c5b51bf9244225c73ea41fd