[INFO] cloning repository https://github.com/nimishchaudhari/RecursiveNet_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nimishchaudhari/RecursiveNet_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimishchaudhari%2FRecursiveNet_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimishchaudhari%2FRecursiveNet_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8a2e1289a94fadeb6cbec1daa1b9596d0b38a6e
[INFO] checking nimishchaudhari/RecursiveNet_rust against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimishchaudhari%2FRecursiveNet_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nimishchaudhari/RecursiveNet_rust
[INFO] finished tweaking git repo https://github.com/nimishchaudhari/RecursiveNet_rust
[INFO] tweaked toml for git repo https://github.com/nimishchaudhari/RecursiveNet_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nimishchaudhari/RecursiveNet_rust on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nimishchaudhari/RecursiveNet_rust 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f51a35e9df3b3b5b53e8ccf9ff6253ff16b0fc416d59ed78d70657ba5e6a67
[INFO] running `Command { std: "docker" "start" "-a" "a4f51a35e9df3b3b5b53e8ccf9ff6253ff16b0fc416d59ed78d70657ba5e6a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f51a35e9df3b3b5b53e8ccf9ff6253ff16b0fc416d59ed78d70657ba5e6a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f51a35e9df3b3b5b53e8ccf9ff6253ff16b0fc416d59ed78d70657ba5e6a67", kill_on_drop: false }`
[INFO] [stdout] a4f51a35e9df3b3b5b53e8ccf9ff6253ff16b0fc416d59ed78d70657ba5e6a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35be120e7f9183d84317f5eb6b72c6ff7d13f26cc08a3f5e5d4d418cce29a7c
[INFO] running `Command { std: "docker" "start" "-a" "b35be120e7f9183d84317f5eb6b72c6ff7d13f26cc08a3f5e5d4d418cce29a7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking rust_net_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `save_to_csv` is never used
[INFO] [stdout]    --> src/main.rs:308:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | impl ExperimentMetrics {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 308 |     fn save_to_csv(&self, filename: &str, architecture: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_standard_net` is never used
[INFO] [stdout]    --> src/main.rs:691:4
[INFO] [stdout]     |
[INFO] [stdout] 691 | fn train_standard_net(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_recursive_net` is never used
[INFO] [stdout]    --> src/main.rs:721:4
[INFO] [stdout]     |
[INFO] [stdout] 721 | fn train_recursive_net(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_to_csv` is never used
[INFO] [stdout]    --> src/main.rs:308:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | impl ExperimentMetrics {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 308 |     fn save_to_csv(&self, filename: &str, architecture: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_standard_net` is never used
[INFO] [stdout]    --> src/main.rs:691:4
[INFO] [stdout]     |
[INFO] [stdout] 691 | fn train_standard_net(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_recursive_net` is never used
[INFO] [stdout]    --> src/main.rs:721:4
[INFO] [stdout]     |
[INFO] [stdout] 721 | fn train_recursive_net(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "b35be120e7f9183d84317f5eb6b72c6ff7d13f26cc08a3f5e5d4d418cce29a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35be120e7f9183d84317f5eb6b72c6ff7d13f26cc08a3f5e5d4d418cce29a7c", kill_on_drop: false }`
[INFO] [stdout] b35be120e7f9183d84317f5eb6b72c6ff7d13f26cc08a3f5e5d4d418cce29a7c