[INFO] updating cached repository https://github.com/alexvesey/fizzbuzz
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61ed2f4d9d924b1655628d6886b7597f5ff92d29
[INFO] testing alexvesey/fizzbuzz against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexvesey%2Ffizzbuzz" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexvesey/fizzbuzz on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexvesey/fizzbuzz
[INFO] finished tweaking git repo https://github.com/alexvesey/fizzbuzz
[INFO] tweaked toml for git repo https://github.com/alexvesey/fizzbuzz written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/alexvesey/fizzbuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab36ffd98e711b836ab8d035dd4aa6c59fa40cb76ca4f3713d2157712ded7c8a
[INFO] running `Command { std: "docker" "start" "-a" "ab36ffd98e711b836ab8d035dd4aa6c59fa40cb76ca4f3713d2157712ded7c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab36ffd98e711b836ab8d035dd4aa6c59fa40cb76ca4f3713d2157712ded7c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab36ffd98e711b836ab8d035dd4aa6c59fa40cb76ca4f3713d2157712ded7c8a", kill_on_drop: false }`
[INFO] [stdout] ab36ffd98e711b836ab8d035dd4aa6c59fa40cb76ca4f3713d2157712ded7c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 534e3aeeef9f10d77e90b88993ea34929faf173850f351524b58e1ea177b2669
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "534e3aeeef9f10d77e90b88993ea34929faf173850f351524b58e1ea177b2669", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |         if ( i % 3 == 0) { output += "Fizz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         if ( i % 5 == 0) { output += "Buzz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         if (output == "") {output += &i.to_string()}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "534e3aeeef9f10d77e90b88993ea34929faf173850f351524b58e1ea177b2669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534e3aeeef9f10d77e90b88993ea34929faf173850f351524b58e1ea177b2669", kill_on_drop: false }`
[INFO] [stdout] 534e3aeeef9f10d77e90b88993ea34929faf173850f351524b58e1ea177b2669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c25bbe3433d8ffa27948f98b444c0ca3cf551c9e7e78af853cfbb3ddf318f639
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c25bbe3433d8ffa27948f98b444c0ca3cf551c9e7e78af853cfbb3ddf318f639", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |         if ( i % 3 == 0) { output += "Fizz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         if ( i % 5 == 0) { output += "Buzz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         if (output == "") {output += &i.to_string()}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "c25bbe3433d8ffa27948f98b444c0ca3cf551c9e7e78af853cfbb3ddf318f639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25bbe3433d8ffa27948f98b444c0ca3cf551c9e7e78af853cfbb3ddf318f639", kill_on_drop: false }`
[INFO] [stdout] c25bbe3433d8ffa27948f98b444c0ca3cf551c9e7e78af853cfbb3ddf318f639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bd1e57ebbc87312cd544463fec8cf6041dbb193f1bd1e51f0ebd4ecb16f5b45
[INFO] running `Command { std: "docker" "start" "-a" "1bd1e57ebbc87312cd544463fec8cf6041dbb193f1bd1e51f0ebd4ecb16f5b45", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |         if ( i % 3 == 0) { output += "Fizz"}
[INFO] [stderr]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |         if ( i % 5 == 0) { output += "Buzz"}
[INFO] [stderr]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if (output == "") {output += &i.to_string()}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz-3240447ef959dc11
[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] running `Command { std: "docker" "inspect" "1bd1e57ebbc87312cd544463fec8cf6041dbb193f1bd1e51f0ebd4ecb16f5b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd1e57ebbc87312cd544463fec8cf6041dbb193f1bd1e51f0ebd4ecb16f5b45", kill_on_drop: false }`
[INFO] [stdout] 1bd1e57ebbc87312cd544463fec8cf6041dbb193f1bd1e51f0ebd4ecb16f5b45