[INFO] cloning repository https://github.com/skies-unbroken/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skies-unbroken/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskies-unbroken%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskies-unbroken%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e820095a0ccc1eadc7ee5de7ff829b551fe18536
[INFO] testing skies-unbroken/matrix against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskies-unbroken%2Fmatrix" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skies-unbroken/matrix on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skies-unbroken/matrix
[INFO] finished tweaking git repo https://github.com/skies-unbroken/matrix
[INFO] tweaked toml for git repo https://github.com/skies-unbroken/matrix written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skies-unbroken/matrix 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab00fd0662e5397fc35584d575b57aae692545da0418b7d96e917b784ddeddaa
[INFO] running `Command { std: "docker" "start" "-a" "ab00fd0662e5397fc35584d575b57aae692545da0418b7d96e917b784ddeddaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab00fd0662e5397fc35584d575b57aae692545da0418b7d96e917b784ddeddaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab00fd0662e5397fc35584d575b57aae692545da0418b7d96e917b784ddeddaa", kill_on_drop: false }`
[INFO] [stdout] ab00fd0662e5397fc35584d575b57aae692545da0418b7d96e917b784ddeddaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6976ec0ee5f71b2ea4f0555652eeada71df2bc79b34e267572c211df49181e3a
[INFO] running `Command { std: "docker" "start" "-a" "6976ec0ee5f71b2ea4f0555652eeada71df2bc79b34e267572c211df49181e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]    --> src/lib.rs:327:33
[INFO] [stdout]     |
[INFO] [stdout] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]    --> src/lib.rs:327:44
[INFO] [stdout]     |
[INFO] [stdout] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6976ec0ee5f71b2ea4f0555652eeada71df2bc79b34e267572c211df49181e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6976ec0ee5f71b2ea4f0555652eeada71df2bc79b34e267572c211df49181e3a", kill_on_drop: false }`
[INFO] [stdout] 6976ec0ee5f71b2ea4f0555652eeada71df2bc79b34e267572c211df49181e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f95257bda84c5c296912e94023ccf435bc2000d58995855b2a6c270fb237e6f7
[INFO] running `Command { std: "docker" "start" "-a" "f95257bda84c5c296912e94023ccf435bc2000d58995855b2a6c270fb237e6f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]    --> src/lib.rs:327:33
[INFO] [stdout]     |
[INFO] [stdout] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]    --> src/lib.rs:327:44
[INFO] [stdout]     |
[INFO] [stdout] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]    --> src/lib.rs:327:33
[INFO] [stdout]     |
[INFO] [stdout] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]    --> src/lib.rs:327:44
[INFO] [stdout]     |
[INFO] [stdout] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "f95257bda84c5c296912e94023ccf435bc2000d58995855b2a6c270fb237e6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95257bda84c5c296912e94023ccf435bc2000d58995855b2a6c270fb237e6f7", kill_on_drop: false }`
[INFO] [stdout] f95257bda84c5c296912e94023ccf435bc2000d58995855b2a6c270fb237e6f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d6ca0ef8ec552f2e407067868e9f4f2a09bafeed7c7c1fbb37623661229be2a
[INFO] running `Command { std: "docker" "start" "-a" "9d6ca0ef8ec552f2e407067868e9f4f2a09bafeed7c7c1fbb37623661229be2a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `r1`
[INFO] [stderr]    --> src/lib.rs:327:33
[INFO] [stderr]     |
[INFO] [stderr] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r2`
[INFO] [stderr]    --> src/lib.rs:327:44
[INFO] [stderr]     |
[INFO] [stderr] 327 |         pub fn submatrix(&self, r1: usize, r2: usize) -> Matrix {
[INFO] [stderr]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stderr] 
[INFO] [stderr] warning: `calc` (lib) generated 2 warnings (run `cargo fix --lib -p calc` to apply 2 suggestions)
[INFO] [stderr] warning: `calc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/calc-004c68365162bea2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::elementary ... FAILED
[INFO] [stdout] test tests::macro_expansion ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::elementary stdout ----
[INFO] [stdout] Error: MatrixError { m: "The given index (2) is bigger than the maximum index for a matrix of this size (1)" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::elementary
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9d6ca0ef8ec552f2e407067868e9f4f2a09bafeed7c7c1fbb37623661229be2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6ca0ef8ec552f2e407067868e9f4f2a09bafeed7c7c1fbb37623661229be2a", kill_on_drop: false }`
[INFO] [stdout] 9d6ca0ef8ec552f2e407067868e9f4f2a09bafeed7c7c1fbb37623661229be2a
