[INFO] cloning repository https://github.com/PlacidFireball/csci460-homework3-rust-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PlacidFireball/csci460-homework3-rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlacidFireball%2Fcsci460-homework3-rust-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlacidFireball%2Fcsci460-homework3-rust-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eef4071802fc2b1f49475c3be70e1f8d4349a7b7
[INFO] testing PlacidFireball/csci460-homework3-rust-project against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlacidFireball%2Fcsci460-homework3-rust-project" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PlacidFireball/csci460-homework3-rust-project on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PlacidFireball/csci460-homework3-rust-project
[INFO] finished tweaking git repo https://github.com/PlacidFireball/csci460-homework3-rust-project
[INFO] tweaked toml for git repo https://github.com/PlacidFireball/csci460-homework3-rust-project written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/PlacidFireball/csci460-homework3-rust-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab65d3806d59cac627c1328e1e243257a599b8309231249b3b4feffa3daea0ec
[INFO] running `Command { std: "docker" "start" "-a" "ab65d3806d59cac627c1328e1e243257a599b8309231249b3b4feffa3daea0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab65d3806d59cac627c1328e1e243257a599b8309231249b3b4feffa3daea0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab65d3806d59cac627c1328e1e243257a599b8309231249b3b4feffa3daea0ec", kill_on_drop: false }`
[INFO] [stdout] ab65d3806d59cac627c1328e1e243257a599b8309231249b3b4feffa3daea0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74b77ab51fc1ab85c4e59f5d22694422be06907f73f71886eb72db206dd0ef07
[INFO] running `Command { std: "docker" "start" "-a" "74b77ab51fc1ab85c4e59f5d22694422be06907f73f71886eb72db206dd0ef07", kill_on_drop: false }`
[INFO] [stderr]    Compiling csci460-homework3-rust-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 for i in 0..self.progress {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 for i in 0..self.progress {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 for i in 0..self.progress {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "74b77ab51fc1ab85c4e59f5d22694422be06907f73f71886eb72db206dd0ef07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b77ab51fc1ab85c4e59f5d22694422be06907f73f71886eb72db206dd0ef07", kill_on_drop: false }`
[INFO] [stdout] 74b77ab51fc1ab85c4e59f5d22694422be06907f73f71886eb72db206dd0ef07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c1570c3b0b34d72a667c9986dd87f8e2bd7064e1f1edf196ba021049b32e77
[INFO] running `Command { std: "docker" "start" "-a" "09c1570c3b0b34d72a667c9986dd87f8e2bd7064e1f1edf196ba021049b32e77", kill_on_drop: false }`
[INFO] [stderr]    Compiling csci460-homework3-rust-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 for i in 0..self.progress {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 for i in 0..self.progress {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 for i in 0..self.progress {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "09c1570c3b0b34d72a667c9986dd87f8e2bd7064e1f1edf196ba021049b32e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c1570c3b0b34d72a667c9986dd87f8e2bd7064e1f1edf196ba021049b32e77", kill_on_drop: false }`
[INFO] [stdout] 09c1570c3b0b34d72a667c9986dd87f8e2bd7064e1f1edf196ba021049b32e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f52f991ed4d14b5feb929f8f4488dc27cd996a685a9c1f029e22a0928d69f39d
[INFO] running `Command { std: "docker" "start" "-a" "f52f991ed4d14b5feb929f8f4488dc27cd996a685a9c1f029e22a0928d69f39d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 for i in 0..self.progress {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 for i in 0..self.progress {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 for i in 0..self.progress {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `csci460-homework3-rust-project` (bin "csci460-homework3-rust-project" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/csci460_homework3_rust_project-c2d8ddb1e541b736)
[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" "f52f991ed4d14b5feb929f8f4488dc27cd996a685a9c1f029e22a0928d69f39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52f991ed4d14b5feb929f8f4488dc27cd996a685a9c1f029e22a0928d69f39d", kill_on_drop: false }`
[INFO] [stdout] f52f991ed4d14b5feb929f8f4488dc27cd996a685a9c1f029e22a0928d69f39d