[INFO] fetching crate ralgeb 0.1.0...
[INFO] testing ralgeb-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ralgeb 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ralgeb 0.1.0
[INFO] finished tweaking crates.io crate ralgeb 0.1.0
[INFO] tweaked toml for crates.io crate ralgeb 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ralgeb 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a509558ed213ec709ab40a37b0d63035eed75c251a5fb240860435485ac877e5
[INFO] running `Command { std: "docker" "start" "-a" "a509558ed213ec709ab40a37b0d63035eed75c251a5fb240860435485ac877e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a509558ed213ec709ab40a37b0d63035eed75c251a5fb240860435485ac877e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a509558ed213ec709ab40a37b0d63035eed75c251a5fb240860435485ac877e5", kill_on_drop: false }`
[INFO] [stdout] a509558ed213ec709ab40a37b0d63035eed75c251a5fb240860435485ac877e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] edc31269bccae3570bb4506eeff4e193e4ea239ff226b77fd423cd47562d42e7
[INFO] running `Command { std: "docker" "start" "-a" "edc31269bccae3570bb4506eeff4e193e4ea239ff226b77fd423cd47562d42e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ralgeb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cause` is never read
[INFO] [stdout]   --> src/matrix.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ErrorCause {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     cause: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "edc31269bccae3570bb4506eeff4e193e4ea239ff226b77fd423cd47562d42e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc31269bccae3570bb4506eeff4e193e4ea239ff226b77fd423cd47562d42e7", kill_on_drop: false }`
[INFO] [stdout] edc31269bccae3570bb4506eeff4e193e4ea239ff226b77fd423cd47562d42e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b473e76cff5bfa7f499a1fd954f8bd997559bc5baa3c792f43866aa1f4e90ea4
[INFO] running `Command { std: "docker" "start" "-a" "b473e76cff5bfa7f499a1fd954f8bd997559bc5baa3c792f43866aa1f4e90ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ralgeb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cause` is never read
[INFO] [stdout]   --> src/matrix.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ErrorCause {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     cause: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cause` is never read
[INFO] [stdout]   --> src/matrix.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ErrorCause {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     cause: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b473e76cff5bfa7f499a1fd954f8bd997559bc5baa3c792f43866aa1f4e90ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b473e76cff5bfa7f499a1fd954f8bd997559bc5baa3c792f43866aa1f4e90ea4", kill_on_drop: false }`
[INFO] [stdout] b473e76cff5bfa7f499a1fd954f8bd997559bc5baa3c792f43866aa1f4e90ea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6a9271d75bf5fdc2e62ba009e89806299cabff51a5c1312fa3e568016956acc9
[INFO] running `Command { std: "docker" "start" "-a" "6a9271d75bf5fdc2e62ba009e89806299cabff51a5c1312fa3e568016956acc9", kill_on_drop: false }`
[INFO] [stderr] warning: field `cause` is never read
[INFO] [stderr]   --> src/matrix.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct ErrorCause {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 31 |     cause: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ralgeb` (lib) generated 1 warning
[INFO] [stderr] warning: `ralgeb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ralgeb-c9719b49fcc0f314)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test circle::tests::area ... ok
[INFO] [stdout] test circle::tests::circumference ... ok
[INFO] [stdout] test circle::tests::new_circle ... ok
[INFO] [stdout] test combinatorics::tests::combinations ... ok
[INFO] [stdout] test combinatorics::tests::fact ... ok
[INFO] [stdout] test combinatorics::tests::permutation ... ok
[INFO] [stdout] test line::tests::line_length ... ok
[INFO] [stdout] test line::tests::new_line ... ok
[INFO] [stdout] test line::tests::slope ... ok
[INFO] [stdout] test line::tests::theta ... ok
[INFO] [stdout] test matrix::tests::add_matrix ... ok
[INFO] [stdout] test matrix::tests::get_principal ... ok
[INFO] [stdout] test matrix::tests::get_row ... ok
[INFO] [stdout] test matrix::tests::identity ... ok
[INFO] [stdout] test matrix::tests::multiply ... ok
[INFO] [stdout] test matrix::tests::new_mat ... ok
[INFO] [stdout] test matrix::tests::new_zero_matrix ... ok
[INFO] [stdout] test matrix::tests::replace_row ... ok
[INFO] [stdout] test matrix::tests::subtract_matrix ... ok
[INFO] [stdout] test matrix::tests::transpose ... ok
[INFO] [stdout] test point::tests::point_new ... ok
[INFO] [stdout] test matrix::tests::scalar_mat_mul ... ok
[INFO] [stdout] test point::tests::get_origin ... ok
[INFO] [stdout] test matrix::tests::scalar_row_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a9271d75bf5fdc2e62ba009e89806299cabff51a5c1312fa3e568016956acc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9271d75bf5fdc2e62ba009e89806299cabff51a5c1312fa3e568016956acc9", kill_on_drop: false }`
[INFO] [stdout] 6a9271d75bf5fdc2e62ba009e89806299cabff51a5c1312fa3e568016956acc9