[INFO] cloning repository https://github.com/D3PSI/synap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/D3PSI/synap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD3PSI%2Fsynap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD3PSI%2Fsynap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2afc609d01ea67ed3abcb003e9c46f2d5f0bc4af
[INFO] checking D3PSI/synap against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD3PSI%2Fsynap" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/D3PSI/synap
[INFO] finished tweaking git repo https://github.com/D3PSI/synap
[INFO] tweaked toml for git repo https://github.com/D3PSI/synap written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/D3PSI/synap 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] crate git repo https://github.com/D3PSI/synap 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0c8c74ad40841488d7bf8906dd7868430bf9571ebacfa1aaba9c0aa3ae33ef4d
[INFO] running `Command { std: "docker" "start" "-a" "0c8c74ad40841488d7bf8906dd7868430bf9571ebacfa1aaba9c0aa3ae33ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8c74ad40841488d7bf8906dd7868430bf9571ebacfa1aaba9c0aa3ae33ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8c74ad40841488d7bf8906dd7868430bf9571ebacfa1aaba9c0aa3ae33ef4d", kill_on_drop: false }`
[INFO] [stdout] 0c8c74ad40841488d7bf8906dd7868430bf9571ebacfa1aaba9c0aa3ae33ef4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423481808c046ba7ee0cd1ce53533caed0bde76a4442b21ecc30d50826e996ea
[INFO] running `Command { std: "docker" "start" "-a" "423481808c046ba7ee0cd1ce53533caed0bde76a4442b21ecc30d50826e996ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking synap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::nn::*`
[INFO] [stdout]   --> src/nn/nn.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::nn::*;
[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: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:184:37
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn lu_decomp_naive<T: Field<T>>(matrix: &Matrix<T>) -> (Matrix<T>, Matrix<T>) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn qr_decomp_naive<T: Field<T>>(matrix: &Matrix<T>) -> (Matrix<T>, Matrix<T>) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:192:31
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn det_naive<T: Field<T>>(matrix: &Matrix<T>) -> T {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:196:32
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn rank_naive<T: Field<T>>(matrix: &Matrix<T>) -> usize {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn gram_schmidt<T: Field<T>>(matrix: &Matrix<T>) -> Matrix<T> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synap` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:184:37
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn lu_decomp_naive<T: Field<T>>(matrix: &Matrix<T>) -> (Matrix<T>, Matrix<T>) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn qr_decomp_naive<T: Field<T>>(matrix: &Matrix<T>) -> (Matrix<T>, Matrix<T>) {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:192:31
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn det_naive<T: Field<T>>(matrix: &Matrix<T>) -> T {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:196:32
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn rank_naive<T: Field<T>>(matrix: &Matrix<T>) -> usize {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]    --> src/algebra/algorithms.rs:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn gram_schmidt<T: Field<T>>(matrix: &Matrix<T>) -> Matrix<T> {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synap` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "423481808c046ba7ee0cd1ce53533caed0bde76a4442b21ecc30d50826e996ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423481808c046ba7ee0cd1ce53533caed0bde76a4442b21ecc30d50826e996ea", kill_on_drop: false }`
[INFO] [stdout] 423481808c046ba7ee0cd1ce53533caed0bde76a4442b21ecc30d50826e996ea
