[INFO] cloning repository https://github.com/RockyTV/bhaskara-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RockyTV/bhaskara-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyTV%2Fbhaskara-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyTV%2Fbhaskara-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b691c2b8949e85ffdd41ed9590c5d7e88700c96
[INFO] testing RockyTV/bhaskara-rs against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyTV%2Fbhaskara-rs" "/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/RockyTV/bhaskara-rs on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RockyTV/bhaskara-rs
[INFO] finished tweaking git repo https://github.com/RockyTV/bhaskara-rs
[INFO] tweaked toml for git repo https://github.com/RockyTV/bhaskara-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RockyTV/bhaskara-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932ab8ae441370cc8b662a45c1a949131be3ce7f2ce5bce9623ebd0691cf34b9
[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" "932ab8ae441370cc8b662a45c1a949131be3ce7f2ce5bce9623ebd0691cf34b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932ab8ae441370cc8b662a45c1a949131be3ce7f2ce5bce9623ebd0691cf34b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932ab8ae441370cc8b662a45c1a949131be3ce7f2ce5bce9623ebd0691cf34b9", kill_on_drop: false }`
[INFO] [stdout] 932ab8ae441370cc8b662a45c1a949131be3ce7f2ce5bce9623ebd0691cf34b9
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3006d538e122c940ea5401217cf78d0495bebe0998bcf164f4ee14befd2045d
[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" "b3006d538e122c940ea5401217cf78d0495bebe0998bcf164f4ee14befd2045d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bhaskara v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `x1` is never read
[INFO] [stdout]   --> src/main.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x2` is never read
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b3006d538e122c940ea5401217cf78d0495bebe0998bcf164f4ee14befd2045d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3006d538e122c940ea5401217cf78d0495bebe0998bcf164f4ee14befd2045d", kill_on_drop: false }`
[INFO] [stdout] b3006d538e122c940ea5401217cf78d0495bebe0998bcf164f4ee14befd2045d
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5497edbda4f7336643ae4c7b1ea15e4725b51b8ecd5f0ce920b20800287c05ad
[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" "5497edbda4f7336643ae4c7b1ea15e4725b51b8ecd5f0ce920b20800287c05ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling bhaskara v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `x1` is never read
[INFO] [stdout]   --> src/main.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x2` is never read
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5497edbda4f7336643ae4c7b1ea15e4725b51b8ecd5f0ce920b20800287c05ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5497edbda4f7336643ae4c7b1ea15e4725b51b8ecd5f0ce920b20800287c05ad", kill_on_drop: false }`
[INFO] [stdout] 5497edbda4f7336643ae4c7b1ea15e4725b51b8ecd5f0ce920b20800287c05ad
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb4f406b4a887b48f583b005e491d0f833aa94635dd1a5c355825702bfb7dbf9
[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" "eb4f406b4a887b48f583b005e491d0f833aa94635dd1a5c355825702bfb7dbf9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `x1` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:43:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stdout] 
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x2` is never read
[INFO] [stderr]   --> src/main.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bhaskara-878758f3b0819de6
[INFO] running `Command { std: "docker" "inspect" "eb4f406b4a887b48f583b005e491d0f833aa94635dd1a5c355825702bfb7dbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4f406b4a887b48f583b005e491d0f833aa94635dd1a5c355825702bfb7dbf9", kill_on_drop: false }`
[INFO] [stdout] eb4f406b4a887b48f583b005e491d0f833aa94635dd1a5c355825702bfb7dbf9