[INFO] cloning repository https://github.com/DaltonCompSci/cs320_vssh_upgraded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaltonCompSci/cs320_vssh_upgraded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaltonCompSci%2Fcs320_vssh_upgraded", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaltonCompSci%2Fcs320_vssh_upgraded'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4b2ac0102018a889a58fa1d3e7a02fc6645cb8f
[INFO] testing DaltonCompSci/cs320_vssh_upgraded against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaltonCompSci%2Fcs320_vssh_upgraded" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaltonCompSci/cs320_vssh_upgraded on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DaltonCompSci/cs320_vssh_upgraded
[INFO] finished tweaking git repo https://github.com/DaltonCompSci/cs320_vssh_upgraded
[INFO] tweaked toml for git repo https://github.com/DaltonCompSci/cs320_vssh_upgraded written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DaltonCompSci/cs320_vssh_upgraded already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1075a978655d58a236771d78fedac1a346d5f8d056ea90163969102b27d0093e
[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" "1075a978655d58a236771d78fedac1a346d5f8d056ea90163969102b27d0093e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1075a978655d58a236771d78fedac1a346d5f8d056ea90163969102b27d0093e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1075a978655d58a236771d78fedac1a346d5f8d056ea90163969102b27d0093e", kill_on_drop: false }`
[INFO] [stdout] 1075a978655d58a236771d78fedac1a346d5f8d056ea90163969102b27d0093e
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abba1da06a34842557b3422d5fc92f3ff70161c9ca6c67bbc3d3e99d4c1e9de6
[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" "abba1da06a34842557b3422d5fc92f3ff70161c9ca6c67bbc3d3e99d4c1e9de6", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling cs320_vssh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `changed_dir`
[INFO] [stdout]   --> src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |              let changed_dir = env::set_current_dir(&path).is_ok();
[INFO] [stdout]    |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_changed_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 7.23s
[INFO] running `Command { std: "docker" "inspect" "abba1da06a34842557b3422d5fc92f3ff70161c9ca6c67bbc3d3e99d4c1e9de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abba1da06a34842557b3422d5fc92f3ff70161c9ca6c67bbc3d3e99d4c1e9de6", kill_on_drop: false }`
[INFO] [stdout] abba1da06a34842557b3422d5fc92f3ff70161c9ca6c67bbc3d3e99d4c1e9de6
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260cbe5ddf357bfbdd708c2a23582f7c935a7e124387f86b8804c66188263d6f
[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" "260cbe5ddf357bfbdd708c2a23582f7c935a7e124387f86b8804c66188263d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs320_vssh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `changed_dir`
[INFO] [stdout]   --> src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |              let changed_dir = env::set_current_dir(&path).is_ok();
[INFO] [stdout]    |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_changed_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "260cbe5ddf357bfbdd708c2a23582f7c935a7e124387f86b8804c66188263d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260cbe5ddf357bfbdd708c2a23582f7c935a7e124387f86b8804c66188263d6f", kill_on_drop: false }`
[INFO] [stdout] 260cbe5ddf357bfbdd708c2a23582f7c935a7e124387f86b8804c66188263d6f
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5b22a3b2283726247f1ea1b17807196ab0c6966ec84c9526657942cfc371720
[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" "f5b22a3b2283726247f1ea1b17807196ab0c6966ec84c9526657942cfc371720", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `changed_dir`
[INFO] [stderr]   --> src/main.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |              let changed_dir = env::set_current_dir(&path).is_ok();
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_changed_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cs320_vssh` (bin "cs320_vssh" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cs320_vssh-527919329dea8fe1)
[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" "f5b22a3b2283726247f1ea1b17807196ab0c6966ec84c9526657942cfc371720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b22a3b2283726247f1ea1b17807196ab0c6966ec84c9526657942cfc371720", kill_on_drop: false }`
[INFO] [stdout] f5b22a3b2283726247f1ea1b17807196ab0c6966ec84c9526657942cfc371720