[INFO] cloning repository https://github.com/clauer23/rust-linear-algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clauer23/rust-linear-algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffbd0ed3a103acc5c7fb38c134cccd2b1e15b941
[INFO] testing clauer23/rust-linear-algebra against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclauer23%2Frust-linear-algebra" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clauer23/rust-linear-algebra on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clauer23/rust-linear-algebra
[INFO] finished tweaking git repo https://github.com/clauer23/rust-linear-algebra
[INFO] tweaked toml for git repo https://github.com/clauer23/rust-linear-algebra written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/clauer23/rust-linear-algebra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842b079577d3dd7637b76d932ab97a6b985c629c622d754a1fd8283a3bf88c89
[INFO] running `Command { std: "docker" "start" "-a" "842b079577d3dd7637b76d932ab97a6b985c629c622d754a1fd8283a3bf88c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842b079577d3dd7637b76d932ab97a6b985c629c622d754a1fd8283a3bf88c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842b079577d3dd7637b76d932ab97a6b985c629c622d754a1fd8283a3bf88c89", kill_on_drop: false }`
[INFO] [stdout] 842b079577d3dd7637b76d932ab97a6b985c629c622d754a1fd8283a3bf88c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8a32fa34539c17d1c299e732ba0acc13dca5aa94084047722b638ad0a47d83
[INFO] running `Command { std: "docker" "start" "-a" "eb8a32fa34539c17d1c299e732ba0acc13dca5aa94084047722b638ad0a47d83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling linear-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = cmp(1, 2);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex32`
[INFO] [stdout]   --> src/complex.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex64`
[INFO] [stdout]   --> src/complex.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `i`
[INFO] [stdout]   --> src/complex.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn i() -> Self {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.35s
[INFO] running `Command { std: "docker" "inspect" "eb8a32fa34539c17d1c299e732ba0acc13dca5aa94084047722b638ad0a47d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8a32fa34539c17d1c299e732ba0acc13dca5aa94084047722b638ad0a47d83", kill_on_drop: false }`
[INFO] [stdout] eb8a32fa34539c17d1c299e732ba0acc13dca5aa94084047722b638ad0a47d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6563412bc99d4b21bdda176423a75ce7d800c41fa6758dfd32a99bcc7cf69a1
[INFO] running `Command { std: "docker" "start" "-a" "d6563412bc99d4b21bdda176423a75ce7d800c41fa6758dfd32a99bcc7cf69a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linear-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let x = cmp(1, 2);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex32`
[INFO] [stdout]   --> src/complex.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex64`
[INFO] [stdout]   --> src/complex.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `i`
[INFO] [stdout]   --> src/complex.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn i() -> Self {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/linear_algebra-188c621cb46d2f0c)
[INFO] running `Command { std: "docker" "inspect" "d6563412bc99d4b21bdda176423a75ce7d800c41fa6758dfd32a99bcc7cf69a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6563412bc99d4b21bdda176423a75ce7d800c41fa6758dfd32a99bcc7cf69a1", kill_on_drop: false }`
[INFO] [stdout] d6563412bc99d4b21bdda176423a75ce7d800c41fa6758dfd32a99bcc7cf69a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9eaddb45668d747ad5ff124721ceb8479d4739fa0e5ca2b8dcf9eace42ebda1
[INFO] running `Command { std: "docker" "start" "-a" "e9eaddb45668d747ad5ff124721ceb8479d4739fa0e5ca2b8dcf9eace42ebda1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:8:9
[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] 8 |     let x = cmp(1, 2);
[INFO] [stdout] 
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Complex32`
[INFO] [stderr]   --> src/complex.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub type Complex32 = Complex<f32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Complex64`
[INFO] [stderr]   --> src/complex.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type Complex64 = Complex<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `i`
[INFO] [stderr]   --> src/complex.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn i() -> Self {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: `linear-algebra` (bin "linear-algebra" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.98s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linear_algebra-188c621cb46d2f0c)
[INFO] running `Command { std: "docker" "inspect" "e9eaddb45668d747ad5ff124721ceb8479d4739fa0e5ca2b8dcf9eace42ebda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9eaddb45668d747ad5ff124721ceb8479d4739fa0e5ca2b8dcf9eace42ebda1", kill_on_drop: false }`
[INFO] [stdout] e9eaddb45668d747ad5ff124721ceb8479d4739fa0e5ca2b8dcf9eace42ebda1