[INFO] cloning repository https://github.com/bobisme/rustrnn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bobisme/rustrnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25573dfa1c0223e4f9a2aa843b63132b139e904a
[INFO] building bobisme/rustrnn against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bobisme/rustrnn on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bobisme/rustrnn
[INFO] finished tweaking git repo https://github.com/bobisme/rustrnn
[INFO] tweaked toml for git repo https://github.com/bobisme/rustrnn written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bobisme/rustrnn 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39ba45d1cc853332d6ea9f048dcd6a2641fa12351ea92f13fafb3ee0455dd86
[INFO] running `Command { std: "docker" "start" "-a" "f39ba45d1cc853332d6ea9f048dcd6a2641fa12351ea92f13fafb3ee0455dd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39ba45d1cc853332d6ea9f048dcd6a2641fa12351ea92f13fafb3ee0455dd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39ba45d1cc853332d6ea9f048dcd6a2641fa12351ea92f13fafb3ee0455dd86", kill_on_drop: false }`
[INFO] [stdout] f39ba45d1cc853332d6ea9f048dcd6a2641fa12351ea92f13fafb3ee0455dd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fda8ca55cf4688593bccec5221106ff9b0d627aac3a9d887568929f7a68789
[INFO] running `Command { std: "docker" "start" "-a" "d4fda8ca55cf4688593bccec5221106ff9b0d627aac3a9d887568929f7a68789", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/layer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, and `input_size` are never used
[INFO] [stdout]   --> src/layer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Layer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(input_size: usize, size: usize) -> Layer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn input_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d4fda8ca55cf4688593bccec5221106ff9b0d627aac3a9d887568929f7a68789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fda8ca55cf4688593bccec5221106ff9b0d627aac3a9d887568929f7a68789", kill_on_drop: false }`
[INFO] [stdout] d4fda8ca55cf4688593bccec5221106ff9b0d627aac3a9d887568929f7a68789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ed59f4653bffaee7cbc56434c95c39ecb20e5ef2a20a771bbda3bd585cdda2
[INFO] running `Command { std: "docker" "start" "-a" "89ed59f4653bffaee7cbc56434c95c39ecb20e5ef2a20a771bbda3bd585cdda2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `weights` is never read
[INFO] [stdout]  --> src/layer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Layer {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub weights: Matrix,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/matrix.rs:440:13
[INFO] [stdout]     |
[INFO] [stdout] 440 |             m1 + &m2;
[INFO] [stdout]     |             ^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 440 |             let _ = m1 + &m2;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/matrix.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 |             m1 - &m2;
[INFO] [stdout]     |             ^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 488 |             let _ = m1 - &m2;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "89ed59f4653bffaee7cbc56434c95c39ecb20e5ef2a20a771bbda3bd585cdda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ed59f4653bffaee7cbc56434c95c39ecb20e5ef2a20a771bbda3bd585cdda2", kill_on_drop: false }`
[INFO] [stdout] 89ed59f4653bffaee7cbc56434c95c39ecb20e5ef2a20a771bbda3bd585cdda2