[INFO] cloning repository https://github.com/stanieltron/uni
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stanieltron/uni" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanieltron%2Funi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanieltron%2Funi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45eb03029201e49565bb1e36e98c44cdbf09353a
[INFO] testing stanieltron/uni against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanieltron%2Funi" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stanieltron/uni on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stanieltron/uni
[INFO] finished tweaking git repo https://github.com/stanieltron/uni
[INFO] tweaked toml for git repo https://github.com/stanieltron/uni written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/stanieltron/uni already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "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] 3e10da78fa0620881fda5e02042bd1ba6aabe3903a9c37d54ddaf2d9fad637e5
[INFO] running `Command { std: "docker" "start" "-a" "3e10da78fa0620881fda5e02042bd1ba6aabe3903a9c37d54ddaf2d9fad637e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e10da78fa0620881fda5e02042bd1ba6aabe3903a9c37d54ddaf2d9fad637e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e10da78fa0620881fda5e02042bd1ba6aabe3903a9c37d54ddaf2d9fad637e5", kill_on_drop: false }`
[INFO] [stdout] 3e10da78fa0620881fda5e02042bd1ba6aabe3903a9c37d54ddaf2d9fad637e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3e1ef039dde3f354c1b06db5b87651ccc9fefb95f07cf9cc23b0ae65828bd8
[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" "fa3e1ef039dde3f354c1b06db5b87651ccc9fefb95f07cf9cc23b0ae65828bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling uni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let precision: f64 = 1.0;
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_percentage`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let precision_percentage: f64 = 1000.0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_percentage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for i in 0..1000 {
[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 0.94s
[INFO] running `Command { std: "docker" "inspect" "fa3e1ef039dde3f354c1b06db5b87651ccc9fefb95f07cf9cc23b0ae65828bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3e1ef039dde3f354c1b06db5b87651ccc9fefb95f07cf9cc23b0ae65828bd8", kill_on_drop: false }`
[INFO] [stdout] fa3e1ef039dde3f354c1b06db5b87651ccc9fefb95f07cf9cc23b0ae65828bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] ae49288e482fe0e5d76e6b4f8807e2d018c96152a9621cc5c7598b84b7d61fb9
[INFO] running `Command { std: "docker" "start" "-a" "ae49288e482fe0e5d76e6b4f8807e2d018c96152a9621cc5c7598b84b7d61fb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling uni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let precision: f64 = 1.0;
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_percentage`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let precision_percentage: f64 = 1000.0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_percentage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for i in 0..1000 {
[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 0.99s
[INFO] running `Command { std: "docker" "inspect" "ae49288e482fe0e5d76e6b4f8807e2d018c96152a9621cc5c7598b84b7d61fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae49288e482fe0e5d76e6b4f8807e2d018c96152a9621cc5c7598b84b7d61fb9", kill_on_drop: false }`
[INFO] [stdout] ae49288e482fe0e5d76e6b4f8807e2d018c96152a9621cc5c7598b84b7d61fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae88b0e8ab9abc7a7af284678063c76247b8e84da91cd1bae7de9e2aca4c5a98
[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" "ae88b0e8ab9abc7a7af284678063c76247b8e84da91cd1bae7de9e2aca4c5a98", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `precision`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 9 |     let precision: f64 = 1.0;
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision_percentage`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let precision_percentage: f64 = 1000.0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_percentage`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..1000 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uni-88532bffbf5577c5
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uni-e7d27534dcb0f5ce
[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] [stderr]    Doc-tests uni
[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" "ae88b0e8ab9abc7a7af284678063c76247b8e84da91cd1bae7de9e2aca4c5a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae88b0e8ab9abc7a7af284678063c76247b8e84da91cd1bae7de9e2aca4c5a98", kill_on_drop: false }`
[INFO] [stdout] ae88b0e8ab9abc7a7af284678063c76247b8e84da91cd1bae7de9e2aca4c5a98