[INFO] fetching crate MA_rs 0.1.0...
[INFO] testing MA_rs-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate MA_rs 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate MA_rs 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate MA_rs 0.1.0
[INFO] tweaked toml for crates.io crate MA_rs 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate MA_rs 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate MA_rs 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02beccabee7dcd70b9e6ac66c26d321af6a216c045767d5f0e8cde295d0962e2
[INFO] running `Command { std: "docker" "start" "-a" "02beccabee7dcd70b9e6ac66c26d321af6a216c045767d5f0e8cde295d0962e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02beccabee7dcd70b9e6ac66c26d321af6a216c045767d5f0e8cde295d0962e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02beccabee7dcd70b9e6ac66c26d321af6a216c045767d5f0e8cde295d0962e2", kill_on_drop: false }`
[INFO] [stdout] 02beccabee7dcd70b9e6ac66c26d321af6a216c045767d5f0e8cde295d0962e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 595629e10687224df6eac56fa6a35806d23a83d038f649443bdfa6c194bd4cb0
[INFO] running `Command { std: "docker" "start" "-a" "595629e10687224df6eac56fa6a35806d23a83d038f649443bdfa6c194bd4cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling MA_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `strides` and `dtype` are never read
[INFO] [stdout]   --> src/tensor.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tensor {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     strides: Option<Vec<usize>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     dtype: DType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tensor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MA_rs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ma_rs`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hinge`
[INFO] [stdout]  --> src/main.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use MA_rs::loss::{mae, mse, rmse, cross_entropy, hinge};
[INFO] [stdout]   |                                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "595629e10687224df6eac56fa6a35806d23a83d038f649443bdfa6c194bd4cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595629e10687224df6eac56fa6a35806d23a83d038f649443bdfa6c194bd4cb0", kill_on_drop: false }`
[INFO] [stdout] 595629e10687224df6eac56fa6a35806d23a83d038f649443bdfa6c194bd4cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2fdbe483a54c1afb750f2109b2bfd550de37c4712ce41633f5a3120fbe46534
[INFO] running `Command { std: "docker" "start" "-a" "b2fdbe483a54c1afb750f2109b2bfd550de37c4712ce41633f5a3120fbe46534", kill_on_drop: false }`
[INFO] [stdout] warning: fields `strides` and `dtype` are never read
[INFO] [stdout]   --> src/tensor.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tensor {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     strides: Option<Vec<usize>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     dtype: DType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tensor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling MA_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `MA_rs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ma_rs`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `regression`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/regression.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `MA_rs` (example "regression") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `hinge`
[INFO] [stdout]  --> src/main.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use MA_rs::loss::{mae, mse, rmse, cross_entropy, hinge};
[INFO] [stdout]   |                                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `mnist`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/mnist.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `MA_rs` (example "mnist") due to 1 previous error
[INFO] [stdout] warning: fields `strides` and `dtype` are never read
[INFO] [stdout]   --> src/tensor.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tensor {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     strides: Option<Vec<usize>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     dtype: DType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tensor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `cifar10`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/cifar10.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `MA_rs` (example "cifar10") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b2fdbe483a54c1afb750f2109b2bfd550de37c4712ce41633f5a3120fbe46534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fdbe483a54c1afb750f2109b2bfd550de37c4712ce41633f5a3120fbe46534", kill_on_drop: false }`
[INFO] [stdout] b2fdbe483a54c1afb750f2109b2bfd550de37c4712ce41633f5a3120fbe46534
