[INFO] cloning repository https://github.com/saulane/rosnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saulane/rosnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulane%2Frosnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulane%2Frosnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3be2d751871f4323ed8d977b14c3bee7f292526a
[INFO] checking saulane/rosnet against try#d83b14207998f47b18a34e930157ac0d7c18b16e for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaulane%2Frosnet" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saulane/rosnet
[INFO] finished tweaking git repo https://github.com/saulane/rosnet
[INFO] tweaked toml for git repo https://github.com/saulane/rosnet written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saulane/rosnet on toolchain d83b14207998f47b18a34e930157ac0d7c18b16e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saulane/rosnet 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" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2099b2880ef03a6c376131618ba6dd8cb181f248cc7397eb938159a63cd84927
[INFO] running `Command { std: "docker" "start" "-a" "2099b2880ef03a6c376131618ba6dd8cb181f248cc7397eb938159a63cd84927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2099b2880ef03a6c376131618ba6dd8cb181f248cc7397eb938159a63cd84927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2099b2880ef03a6c376131618ba6dd8cb181f248cc7397eb938159a63cd84927", kill_on_drop: false }`
[INFO] [stdout] 2099b2880ef03a6c376131618ba6dd8cb181f248cc7397eb938159a63cd84927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+d83b14207998f47b18a34e930157ac0d7c18b16e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f74be87674c7d57b28d2ffad02c613c3f27c81f95d8e9c835f75eab8b0c2bb
[INFO] running `Command { std: "docker" "start" "-a" "e7f74be87674c7d57b28d2ffad02c613c3f27c81f95d8e9c835f75eab8b0c2bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking rosnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div` and `Sub`
[INFO] [stdout]  --> src/tensor.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ops::{Add, Div, Mul, Sub},
[INFO] [stdout]   |                ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div` and `Sub`
[INFO] [stdout]  --> src/tensor.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ops::{Add, Div, Mul, Sub},
[INFO] [stdout]   |                ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/tensor.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flattened_index` is never used
[INFO] [stdout]    --> src/tensor.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn flattened_index(index: &[usize], shape: &[usize]) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unflattened_index` is never used
[INFO] [stdout]    --> src/tensor.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn unflattened_index(index: usize, shape: &[usize]) -> Vec<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/tensor.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flattened_index` is never used
[INFO] [stdout]    --> src/tensor.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn flattened_index(index: &[usize], shape: &[usize]) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unflattened_index` is never used
[INFO] [stdout]    --> src/tensor.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn unflattened_index(index: usize, shape: &[usize]) -> Vec<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res1`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let res1 = t.sum(2);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_res1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res1`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let res1 = t.sum(2);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_res1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "e7f74be87674c7d57b28d2ffad02c613c3f27c81f95d8e9c835f75eab8b0c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f74be87674c7d57b28d2ffad02c613c3f27c81f95d8e9c835f75eab8b0c2bb", kill_on_drop: false }`
[INFO] [stdout] e7f74be87674c7d57b28d2ffad02c613c3f27c81f95d8e9c835f75eab8b0c2bb