[INFO] updating cached repository https://github.com/ryanmccauley211/math-algos
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bae413e0287162d6c0ab383df482dafafa1fbb1e
[INFO] testing ryanmccauley211/math-algos against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanmccauley211%2Fmath-algos" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanmccauley211/math-algos on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanmccauley211/math-algos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 84f5e5744cfed57dc4ff2b264444d6fb20872ea0af8885e609856c07ffd96391
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "84f5e5744cfed57dc4ff2b264444d6fb20872ea0af8885e609856c07ffd96391"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term 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] [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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `"docker" "inspect" "84f5e5744cfed57dc4ff2b264444d6fb20872ea0af8885e609856c07ffd96391"`
[INFO] running `"docker" "rm" "-f" "84f5e5744cfed57dc4ff2b264444d6fb20872ea0af8885e609856c07ffd96391"`
[INFO] [stdout] 84f5e5744cfed57dc4ff2b264444d6fb20872ea0af8885e609856c07ffd96391
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae172b92fa4936da9ea7c7ec238618fa37d7123b5ba6caabe68a66e76cbab418
[INFO] running `"docker" "start" "-a" "ae172b92fa4936da9ea7c7ec238618fa37d7123b5ba6caabe68a66e76cbab418"`
[INFO] [stderr]    Compiling math-algos v0.1.0 (/opt/rustwide/workdir)
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "ae172b92fa4936da9ea7c7ec238618fa37d7123b5ba6caabe68a66e76cbab418"`
[INFO] running `"docker" "rm" "-f" "ae172b92fa4936da9ea7c7ec238618fa37d7123b5ba6caabe68a66e76cbab418"`
[INFO] [stdout] ae172b92fa4936da9ea7c7ec238618fa37d7123b5ba6caabe68a66e76cbab418
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cba25ba1e05750fd3d82d81dc341f0c354d84e5def0b49a4addf21395510a10
[INFO] running `"docker" "start" "-a" "4cba25ba1e05750fd3d82d81dc341f0c354d84e5def0b49a4addf21395510a10"`
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factors-bb60f1da0c7633ac
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiples-a74272c4d3309480
[INFO] running `"docker" "inspect" "4cba25ba1e05750fd3d82d81dc341f0c354d84e5def0b49a4addf21395510a10"`
[INFO] running `"docker" "rm" "-f" "4cba25ba1e05750fd3d82d81dc341f0c354d84e5def0b49a4addf21395510a10"`
[INFO] [stdout] 4cba25ba1e05750fd3d82d81dc341f0c354d84e5def0b49a4addf21395510a10