[INFO] fetching crate matrix-simp 0.3.0... [INFO] testing matrix-simp-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate matrix-simp 0.3.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate matrix-simp 0.3.0 [INFO] finished tweaking crates.io crate matrix-simp 0.3.0 [INFO] tweaked toml for crates.io crate matrix-simp 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate matrix-simp 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.2.19 [INFO] [stderr] Downloaded autocfg v1.5.0 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c23d370af7aa2be9e1de039968b7b036156af52de2214fa611511283f30f10ff [INFO] running `Command { std: "docker" "start" "-a" "c23d370af7aa2be9e1de039968b7b036156af52de2214fa611511283f30f10ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c23d370af7aa2be9e1de039968b7b036156af52de2214fa611511283f30f10ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c23d370af7aa2be9e1de039968b7b036156af52de2214fa611511283f30f10ff", kill_on_drop: false }` [INFO] [stdout] c23d370af7aa2be9e1de039968b7b036156af52de2214fa611511283f30f10ff [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6e557912388356c597558f712d847c22ffdf1808e672ae77267246835469fe4 [INFO] running `Command { std: "docker" "start" "-a" "f6e557912388356c597558f712d847c22ffdf1808e672ae77267246835469fe4", kill_on_drop: false }` [INFO] [stderr] Compiling matrix-simp v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "f6e557912388356c597558f712d847c22ffdf1808e672ae77267246835469fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6e557912388356c597558f712d847c22ffdf1808e672ae77267246835469fe4", kill_on_drop: false }` [INFO] [stdout] f6e557912388356c597558f712d847c22ffdf1808e672ae77267246835469fe4 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a4af5d64dfa7770f7df12b27683fc263ad42fa1f1e2e4c0e4c07946faf5b22b [INFO] running `Command { std: "docker" "start" "-a" "6a4af5d64dfa7770f7df12b27683fc263ad42fa1f1e2e4c0e4c07946faf5b22b", kill_on_drop: false }` [INFO] [stderr] Compiling matrix-simp v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:422:13 [INFO] [stdout] | [INFO] [stdout] 422 | let mut mat1: Matrix = Matrix::from(data1); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "6a4af5d64dfa7770f7df12b27683fc263ad42fa1f1e2e4c0e4c07946faf5b22b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a4af5d64dfa7770f7df12b27683fc263ad42fa1f1e2e4c0e4c07946faf5b22b", kill_on_drop: false }` [INFO] [stdout] 6a4af5d64dfa7770f7df12b27683fc263ad42fa1f1e2e4c0e4c07946faf5b22b [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e10dec0ffbe02d041464e4e4575b430c8b1b49adf541d10cb2a3353508ca5c94 [INFO] running `Command { std: "docker" "start" "-a" "e10dec0ffbe02d041464e4e4575b430c8b1b49adf541d10cb2a3353508ca5c94", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:422:13 [INFO] [stderr] | [INFO] [stderr] 422 | let mut mat1: Matrix = Matrix::from(data1); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `matrix-simp` (lib test) generated 1 warning (run `cargo fix --lib -p matrix-simp --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_simp-f35a140a8e8cb823) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stderr] Doc-tests matrix_simp [INFO] [stdout] test tests::init_val ... ok [INFO] [stdout] test tests::init_zeroes ... ok [INFO] [stdout] test tests::test_div_scalar ... ok [INFO] [stdout] test tests::test_exp ... ok [INFO] [stdout] test tests::test_from_2d_slice ... ok [INFO] [stdout] test tests::test_from_2d_vec ... ok [INFO] [stdout] test tests::test_get_row ... ok [INFO] [stdout] test tests::test_get_col ... ok [INFO] [stdout] test tests::test_matrix_addition ... ok [INFO] [stdout] test tests::test_mult ... ok [INFO] [stdout] test tests::test_one_over ... ok [INFO] [stdout] test tests::test_mult_scalar ... ok [INFO] [stdout] test tests::test_piece_by_mult ... ok [INFO] [stdout] test tests::test_transpose ... ok [INFO] [stdout] test tests::test_matrix_subtraction ... ok [INFO] [stdout] test tests::test_from_reg_add ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e10dec0ffbe02d041464e4e4575b430c8b1b49adf541d10cb2a3353508ca5c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e10dec0ffbe02d041464e4e4575b430c8b1b49adf541d10cb2a3353508ca5c94", kill_on_drop: false }` [INFO] [stdout] e10dec0ffbe02d041464e4e4575b430c8b1b49adf541d10cb2a3353508ca5c94