[INFO] cloning repository https://github.com/benaryorg/rust-prime_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benaryorg/rust-prime_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-prime_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-prime_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 778eaa6f6afe9d3e2c23d67668864ecf9f8afa11
[INFO] testing benaryorg/rust-prime_generator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-prime_generator" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-prime_generator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-prime_generator
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-prime_generator
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-prime_generator written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-prime_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ace148a49b3c578a91dd28e28b62415e5a4c724ccef8f51a75d031768fc26b
[INFO] running `Command { std: "docker" "start" "-a" "c9ace148a49b3c578a91dd28e28b62415e5a4c724ccef8f51a75d031768fc26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ace148a49b3c578a91dd28e28b62415e5a4c724ccef8f51a75d031768fc26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ace148a49b3c578a91dd28e28b62415e5a4c724ccef8f51a75d031768fc26b", kill_on_drop: false }`
[INFO] [stdout] c9ace148a49b3c578a91dd28e28b62415e5a4c724ccef8f51a75d031768fc26b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13583f8a5908c5d06e063e1fd668103d57afef040ec5165e280b7f61c3e1af7c
[INFO] running `Command { std: "docker" "start" "-a" "13583f8a5908c5d06e063e1fd668103d57afef040ec5165e280b7f61c3e1af7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     'outer: for i in (3..LIMIT)
[INFO] [stdout]   |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` 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 0.62s
[INFO] running `Command { std: "docker" "inspect" "13583f8a5908c5d06e063e1fd668103d57afef040ec5165e280b7f61c3e1af7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13583f8a5908c5d06e063e1fd668103d57afef040ec5165e280b7f61c3e1af7c", kill_on_drop: false }`
[INFO] [stdout] 13583f8a5908c5d06e063e1fd668103d57afef040ec5165e280b7f61c3e1af7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa2d48cfd64bd91a0eb788c8faf37582fc60eda2ff3463599f995d087c37f89
[INFO] running `Command { std: "docker" "start" "-a" "cfa2d48cfd64bd91a0eb788c8faf37582fc60eda2ff3463599f995d087c37f89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     'outer: for i in (3..LIMIT)
[INFO] [stdout]   |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "cfa2d48cfd64bd91a0eb788c8faf37582fc60eda2ff3463599f995d087c37f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa2d48cfd64bd91a0eb788c8faf37582fc60eda2ff3463599f995d087c37f89", kill_on_drop: false }`
[INFO] [stdout] cfa2d48cfd64bd91a0eb788c8faf37582fc60eda2ff3463599f995d087c37f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a627009e224cde3ec82c25296ae717639cbc192c76680d0de1506ef4541a8d63
[INFO] running `Command { std: "docker" "start" "-a" "a627009e224cde3ec82c25296ae717639cbc192c76680d0de1506ef4541a8d63", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     'outer: for i in (3..LIMIT)
[INFO] [stderr]   |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `primes` (bin "primes" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/primes-38f6e5aa3bdfa6dd)
[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" "a627009e224cde3ec82c25296ae717639cbc192c76680d0de1506ef4541a8d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a627009e224cde3ec82c25296ae717639cbc192c76680d0de1506ef4541a8d63", kill_on_drop: false }`
[INFO] [stdout] a627009e224cde3ec82c25296ae717639cbc192c76680d0de1506ef4541a8d63