[INFO] fetching crate rustices 0.1.0...
[INFO] testing rustices-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rustices 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rustices 0.1.0
[INFO] finished tweaking crates.io crate rustices 0.1.0
[INFO] tweaked toml for crates.io crate rustices 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustices 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.3.1 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe280484393fd3fa21011b1e9e5f478e75b9633f7695a9c8ec778f5e7d715079
[INFO] running `Command { std: "docker" "start" "-a" "fe280484393fd3fa21011b1e9e5f478e75b9633f7695a9c8ec778f5e7d715079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe280484393fd3fa21011b1e9e5f478e75b9633f7695a9c8ec778f5e7d715079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe280484393fd3fa21011b1e9e5f478e75b9633f7695a9c8ec778f5e7d715079", kill_on_drop: false }`
[INFO] [stdout] fe280484393fd3fa21011b1e9e5f478e75b9633f7695a9c8ec778f5e7d715079
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1fca21742127aa30f31e1a12e64d9cc1f8808379ce775d6da54e68c1106357b
[INFO] running `Command { std: "docker" "start" "-a" "f1fca21742127aa30f31e1a12e64d9cc1f8808379ce775d6da54e68c1106357b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling rustices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Matrix<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from`, `new`, `get`, `get_row`, `get_column`, and `set` are never used
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> Matrix<T> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 20 |     fn from(data: Vec<Vec<T>>) -> Matrix<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(rows: usize, cols: usize, value: T) -> Matrix<T>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn get(&self, row: usize, col: usize) -> &T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn get_row(&self, row: usize) -> Vec<T> 
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn get_column(&self, column: usize) -> Vec<T>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn set(&mut self, row: usize, col: usize, value: T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_random` is never used
[INFO] [stdout]   --> src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Matrix<i32> {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 71 |     fn new_random(rows: usize, cols: usize, min: i32, max: i32) -> Matrix<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "f1fca21742127aa30f31e1a12e64d9cc1f8808379ce775d6da54e68c1106357b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fca21742127aa30f31e1a12e64d9cc1f8808379ce775d6da54e68c1106357b", kill_on_drop: false }`
[INFO] [stdout] f1fca21742127aa30f31e1a12e64d9cc1f8808379ce775d6da54e68c1106357b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 970ae40a5c2dae02b571756a5e9b0db3fb7a83ee8344dfacbe1769dafc8807a9
[INFO] running `Command { std: "docker" "start" "-a" "970ae40a5c2dae02b571756a5e9b0db3fb7a83ee8344dfacbe1769dafc8807a9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Matrix<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from`, `new`, `get`, `get_row`, `get_column`, and `set` are never used
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> Matrix<T> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 20 |     fn from(data: Vec<Vec<T>>) -> Matrix<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(rows: usize, cols: usize, value: T) -> Matrix<T>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn get(&self, row: usize, col: usize) -> &T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn get_row(&self, row: usize) -> Vec<T> 
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn get_column(&self, column: usize) -> Vec<T>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn set(&mut self, row: usize, col: usize, value: T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new_random` is never used
[INFO] [stdout]   --> src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Matrix<i32> {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 71 |     fn new_random(rows: usize, cols: usize, min: i32, max: i32) -> Matrix<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_row`, `get_column`, and `set` are never used
[INFO] [stdout]   --> src/lib.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> Matrix<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn get_row(&self, row: usize) -> Vec<T> 
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn get_column(&self, column: usize) -> Vec<T>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn set(&mut self, row: usize, col: usize, value: T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "970ae40a5c2dae02b571756a5e9b0db3fb7a83ee8344dfacbe1769dafc8807a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970ae40a5c2dae02b571756a5e9b0db3fb7a83ee8344dfacbe1769dafc8807a9", kill_on_drop: false }`
[INFO] [stdout] 970ae40a5c2dae02b571756a5e9b0db3fb7a83ee8344dfacbe1769dafc8807a9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90348bac9d8ab0a411450d53a858867b54bbeeacca982c2cb4dad7648cc25ba4
[INFO] running `Command { std: "docker" "start" "-a" "90348bac9d8ab0a411450d53a858867b54bbeeacca982c2cb4dad7648cc25ba4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Matrix` is never constructed
[INFO] [stderr]   --> src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Matrix<T> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `from`, `new`, `get`, `get_row`, `get_column`, and `set` are never used
[INFO] [stderr]   --> src/lib.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<T> Matrix<T> {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] 20 |     fn from(data: Vec<Vec<T>>) -> Matrix<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     fn new(rows: usize, cols: usize, value: T) -> Matrix<T>
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     fn get(&self, row: usize, col: usize) -> &T {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     fn get_row(&self, row: usize) -> Vec<T> 
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     fn get_column(&self, column: usize) -> Vec<T>
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     fn set(&mut self, row: usize, col: usize, value: T) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_random` is never used
[INFO] [stderr]   --> src/lib.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | impl Matrix<i32> {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 71 |     fn new_random(rows: usize, cols: usize, min: i32, max: i32) -> Matrix<i32> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustices` (lib) generated 4 warnings (run `cargo fix --lib -p rustices` to apply 1 suggestion)
[INFO] [stderr] warning: methods `get_row`, `get_column`, and `set` are never used
[INFO] [stderr]   --> src/lib.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<T> Matrix<T> {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     fn get_row(&self, row: usize) -> Vec<T> 
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     fn get_column(&self, column: usize) -> Vec<T>
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     fn set(&mut self, row: usize, col: usize, value: T) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustices` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustices-6106e1eb97bde58d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::create_matrix_from_vecs ... ok
[INFO] [stdout] test tests::multiply_matrices ... ok
[INFO] [stdout] test tests::create_zero_matrix ... ok
[INFO] [stdout] test tests::scalar_multiply ... ok
[INFO] [stdout] test tests::random_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustices
[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" "90348bac9d8ab0a411450d53a858867b54bbeeacca982c2cb4dad7648cc25ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90348bac9d8ab0a411450d53a858867b54bbeeacca982c2cb4dad7648cc25ba4", kill_on_drop: false }`
[INFO] [stdout] 90348bac9d8ab0a411450d53a858867b54bbeeacca982c2cb4dad7648cc25ba4
