[INFO] cloning repository https://github.com/mblesel/rust_partdiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mblesel/rust_partdiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmblesel%2Frust_partdiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmblesel%2Frust_partdiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d37f97a2349e9ad3b127c10388c9f6e943e83333
[INFO] testing mblesel/rust_partdiff against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmblesel%2Frust_partdiff" "/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/mblesel/rust_partdiff on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mblesel/rust_partdiff
[INFO] finished tweaking git repo https://github.com/mblesel/rust_partdiff
[INFO] tweaked toml for git repo https://github.com/mblesel/rust_partdiff written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mblesel/rust_partdiff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e544bcc9d72b4500cf0520fff5b7df6ab443b2544f760f9ae0893f20109e4ac
[INFO] running `Command { std: "docker" "start" "-a" "3e544bcc9d72b4500cf0520fff5b7df6ab443b2544f760f9ae0893f20109e4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e544bcc9d72b4500cf0520fff5b7df6ab443b2544f760f9ae0893f20109e4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e544bcc9d72b4500cf0520fff5b7df6ab443b2544f760f9ae0893f20109e4ac", kill_on_drop: false }`
[INFO] [stdout] 3e544bcc9d72b4500cf0520fff5b7df6ab443b2544f760f9ae0893f20109e4ac
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 882b2d76f17bb415c6cd5ad0561c0a1464cdc39076f7a1795578d3434fa960e0
[INFO] running `Command { std: "docker" "start" "-a" "882b2d76f17bb415c6cd5ad0561c0a1464cdc39076f7a1795578d3434fa960e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_partdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IndexMut`, `Index`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Index,IndexMut};
[INFO] [stdout]   |                ^^^^^ ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/main.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let matrix = &mut arguments.matrices;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/main.rs:392:13
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let h = arguments.h;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/main.rs:394:13
[INFO] [stdout]     |
[INFO] [stdout] 394 |         for g in 0 .. arguments.num_matrices as usize
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:396:17
[INFO] [stdout]     |
[INFO] [stdout] 396 |             for i in 0..(n+1)
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `star` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |     let mut star: f64;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_star` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/main.rs:454:13
[INFO] [stdout]     |
[INFO] [stdout] 454 |         let matrix = &mut arguments.matrices;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/main.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |     let matrix = &mut arguments.matrices[results.m as usize];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interlines`
[INFO] [stdout]    --> src/main.rs:575:9
[INFO] [stdout]     |
[INFO] [stdout] 575 |     let interlines = options.interlines;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interlines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |     for y in 0..9 as usize
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:580:13
[INFO] [stdout]     |
[INFO] [stdout] 580 |         for x in 0..9 as usize
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0381]: use of possibly-uninitialized variable: `star`
[INFO] [stdout]    --> src/main.rs:482:21
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     star += fpisin_i * (pih * j as f64).sin();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of possibly-uninitialized `star`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0381]: use of possibly-uninitialized variable: `residuum`
[INFO] [stdout]    --> src/main.rs:496:41
[INFO] [stdout]     |
[INFO] [stdout] 496 |                     maxresiduum = match residuum
[INFO] [stdout]     |                                         ^^^^^^^^ use of possibly-uninitialized `residuum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0381`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_partdiff`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "882b2d76f17bb415c6cd5ad0561c0a1464cdc39076f7a1795578d3434fa960e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882b2d76f17bb415c6cd5ad0561c0a1464cdc39076f7a1795578d3434fa960e0", kill_on_drop: false }`
[INFO] [stdout] 882b2d76f17bb415c6cd5ad0561c0a1464cdc39076f7a1795578d3434fa960e0
