[INFO] cloning repository https://github.com/andem20/rust-matrix-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andem20/rust-matrix-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandem20%2Frust-matrix-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandem20%2Frust-matrix-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c7f88317c4c420656049870885bdc3a20322e39
[INFO] checking andem20/rust-matrix-lib against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandem20%2Frust-matrix-lib" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andem20/rust-matrix-lib
[INFO] finished tweaking git repo https://github.com/andem20/rust-matrix-lib
[INFO] tweaked toml for git repo https://github.com/andem20/rust-matrix-lib written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andem20/rust-matrix-lib on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andem20/rust-matrix-lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c374c8b97a70d6e535c42588a70e6aa533e5a2dd4b55a8c756a687735ec7f85
[INFO] running `Command { std: "docker" "start" "-a" "8c374c8b97a70d6e535c42588a70e6aa533e5a2dd4b55a8c756a687735ec7f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c374c8b97a70d6e535c42588a70e6aa533e5a2dd4b55a8c756a687735ec7f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c374c8b97a70d6e535c42588a70e6aa533e5a2dd4b55a8c756a687735ec7f85", kill_on_drop: false }`
[INFO] [stdout] 8c374c8b97a70d6e535c42588a70e6aa533e5a2dd4b55a8c756a687735ec7f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3c138ab22639fc14a2c9c540c9a4bc2e25686482493ca6403c722ff19afbb0
[INFO] running `Command { std: "docker" "start" "-a" "bc3c138ab22639fc14a2c9c540c9a4bc2e25686482493ca6403c722ff19afbb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tensor v0.1.0 (/opt/rustwide/workdir/tensor)
[INFO] [stdout] warning: unused variable: `tensor`
[INFO] [stdout]   --> tensor/src/tensor_mod.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn broadcast<const L: usize, const Z: usize>(&self, tensor: &Tensor<T, L, Z>) -> Self {
[INFO] [stdout]    |                                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tensor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tensor`
[INFO] [stdout]   --> tensor/src/tensor_mod.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         tensor: &Tensor<T, L, Z>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tensor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tensor`
[INFO] [stdout]   --> tensor/src/tensor_mod.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn broadcast<const L: usize, const Z: usize>(&self, tensor: &Tensor<T, L, Z>) -> Self {
[INFO] [stdout]    |                                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tensor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tensor`
[INFO] [stdout]   --> tensor/src/tensor_mod.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         tensor: &Tensor<T, L, Z>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tensor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking matrix-library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]   --> src/matrix/artihemetic.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn dot(&mut self, matrix: &Matrix) -> Self {
[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: `matrix`
[INFO] [stdout]   --> src/matrix/artihemetic.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn dot(&mut self, matrix: &Matrix) -> Self {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "bc3c138ab22639fc14a2c9c540c9a4bc2e25686482493ca6403c722ff19afbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3c138ab22639fc14a2c9c540c9a4bc2e25686482493ca6403c722ff19afbb0", kill_on_drop: false }`
[INFO] [stdout] bc3c138ab22639fc14a2c9c540c9a4bc2e25686482493ca6403c722ff19afbb0