[INFO] cloning repository https://github.com/Logarithmus/matrix-ops-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logarithmus/matrix-ops-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmatrix-ops-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmatrix-ops-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e4ada2aa2a56515bcc902efa2568b10671458fe8 [INFO] testing Logarithmus/matrix-ops-rs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fmatrix-ops-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Logarithmus/matrix-ops-rs [INFO] finished tweaking git repo https://github.com/Logarithmus/matrix-ops-rs [INFO] tweaked toml for git repo https://github.com/Logarithmus/matrix-ops-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Logarithmus/matrix-ops-rs 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] crate git repo https://github.com/Logarithmus/matrix-ops-rs 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 862531dab7a0e082a530e824f6bf804cfbee10440cec1f8b54f0e135363f1557 [INFO] running `Command { std: "docker" "start" "-a" "862531dab7a0e082a530e824f6bf804cfbee10440cec1f8b54f0e135363f1557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "862531dab7a0e082a530e824f6bf804cfbee10440cec1f8b54f0e135363f1557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "862531dab7a0e082a530e824f6bf804cfbee10440cec1f8b54f0e135363f1557", kill_on_drop: false }` [INFO] [stdout] 862531dab7a0e082a530e824f6bf804cfbee10440cec1f8b54f0e135363f1557 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 30c8ac9eabd711a36b127fb3cb5c541b8c55811d6cde19e2da5235651c8a7130 [INFO] running `Command { std: "docker" "start" "-a" "30c8ac9eabd711a36b127fb3cb5c541b8c55811d6cde19e2da5235651c8a7130", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling vavp_lab1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/matrix.rs:234:29 [INFO] [stdout] | [INFO] [stdout] 234 | let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Matrix` does not implement `Borrow`, so calling `borrow` on `&Matrix` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 234 - let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] 234 + let (mat1, mat2) = (mat1, mat2.borrow()); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Matrix`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 9 + #[derive(Clone)] [INFO] [stdout] 10 | pub struct Matrix { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/matrix.rs:234:44 [INFO] [stdout] | [INFO] [stdout] 234 | let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Matrix` does not implement `Borrow`, so calling `borrow` on `&Matrix` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 234 - let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] 234 + let (mat1, mat2) = (mat1.borrow(), mat2); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Matrix`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 9 + #[derive(Clone)] [INFO] [stdout] 10 | pub struct Matrix { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s [INFO] running `Command { std: "docker" "inspect" "30c8ac9eabd711a36b127fb3cb5c541b8c55811d6cde19e2da5235651c8a7130", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30c8ac9eabd711a36b127fb3cb5c541b8c55811d6cde19e2da5235651c8a7130", kill_on_drop: false }` [INFO] [stdout] 30c8ac9eabd711a36b127fb3cb5c541b8c55811d6cde19e2da5235651c8a7130 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7ce8ed628e369007cfa3f27e31a35fec8002b2a72ce9f8f48c661869a358f094 [INFO] running `Command { std: "docker" "start" "-a" "7ce8ed628e369007cfa3f27e31a35fec8002b2a72ce9f8f48c661869a358f094", kill_on_drop: false }` [INFO] [stderr] Compiling vavp_lab1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/matrix.rs:234:29 [INFO] [stdout] | [INFO] [stdout] 234 | let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Matrix` does not implement `Borrow`, so calling `borrow` on `&Matrix` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 234 - let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] 234 + let (mat1, mat2) = (mat1, mat2.borrow()); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Matrix`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 9 + #[derive(Clone)] [INFO] [stdout] 10 | pub struct Matrix { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/matrix.rs:234:44 [INFO] [stdout] | [INFO] [stdout] 234 | let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Matrix` does not implement `Borrow`, so calling `borrow` on `&Matrix` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 234 - let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] 234 + let (mat1, mat2) = (mat1.borrow(), mat2); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Matrix`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 9 + #[derive(Clone)] [INFO] [stdout] 10 | pub struct Matrix { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "7ce8ed628e369007cfa3f27e31a35fec8002b2a72ce9f8f48c661869a358f094", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ce8ed628e369007cfa3f27e31a35fec8002b2a72ce9f8f48c661869a358f094", kill_on_drop: false }` [INFO] [stdout] 7ce8ed628e369007cfa3f27e31a35fec8002b2a72ce9f8f48c661869a358f094 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c6688b5a8674246e929de73fa4175de37149fed21dbe2046843bdde3afa86af3 [INFO] running `Command { std: "docker" "start" "-a" "c6688b5a8674246e929de73fa4175de37149fed21dbe2046843bdde3afa86af3", kill_on_drop: false }` [INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stderr] --> src/matrix.rs:234:29 [INFO] [stderr] | [INFO] [stderr] 234 | let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `Matrix` does not implement `Borrow`, so calling `borrow` on `&Matrix` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 234 - let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stderr] 234 + let (mat1, mat2) = (mat1, mat2.borrow()); [INFO] [stderr] | [INFO] [stderr] help: if you meant to clone `Matrix`, implement `Clone` for it [INFO] [stderr] | [INFO] [stderr] 9 + #[derive(Clone)] [INFO] [stderr] 10 | pub struct Matrix { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] [INFO] [stderr] --> src/matrix.rs:234:44 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 234 | let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: the type `Matrix` does not implement `Borrow`, so calling `borrow` on `&Matrix` copies the reference, which does not do anything and can be removed [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 234 - let (mat1, mat2) = (mat1.borrow(), mat2.borrow()); [INFO] [stderr] 234 + let (mat1, mat2) = (mat1.borrow(), mat2); [INFO] [stderr] | [INFO] [stderr] help: if you meant to clone `Matrix`, implement `Clone` for it [INFO] [stderr] | [INFO] [stderr] 9 + #[derive(Clone)] [INFO] [stderr] 10 | pub struct Matrix { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `vavp_lab1` (bin "vavp_lab1" test) generated 2 warnings (run `cargo fix --bin "vavp_lab1" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/vavp_lab1-423cd668ad7dea91) [INFO] running `Command { std: "docker" "inspect" "c6688b5a8674246e929de73fa4175de37149fed21dbe2046843bdde3afa86af3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6688b5a8674246e929de73fa4175de37149fed21dbe2046843bdde3afa86af3", kill_on_drop: false }` [INFO] [stdout] c6688b5a8674246e929de73fa4175de37149fed21dbe2046843bdde3afa86af3