[INFO] cloning repository https://github.com/XiaoConstantine/rusty-tensor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XiaoConstantine/rusty-tensor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaoConstantine%2Frusty-tensor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaoConstantine%2Frusty-tensor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ddeac1dc45ce0d83504a32f9c43db99be8b141d [INFO] checking XiaoConstantine/rusty-tensor/5ddeac1dc45ce0d83504a32f9c43db99be8b141d against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaoConstantine%2Frusty-tensor" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/XiaoConstantine/rusty-tensor on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/XiaoConstantine/rusty-tensor [INFO] finished tweaking git repo https://github.com/XiaoConstantine/rusty-tensor [INFO] tweaked toml for git repo https://github.com/XiaoConstantine/rusty-tensor written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/XiaoConstantine/rusty-tensor 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88c04bc166963d0ff38cdc2e1930505c0a2579d84b8d0635582844cf7e0f40b1 [INFO] running `Command { std: "docker" "start" "-a" "88c04bc166963d0ff38cdc2e1930505c0a2579d84b8d0635582844cf7e0f40b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88c04bc166963d0ff38cdc2e1930505c0a2579d84b8d0635582844cf7e0f40b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c04bc166963d0ff38cdc2e1930505c0a2579d84b8d0635582844cf7e0f40b1", kill_on_drop: false }` [INFO] [stdout] 88c04bc166963d0ff38cdc2e1930505c0a2579d84b8d0635582844cf7e0f40b1 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19e98cfdf54a626979899454d981709aab837bedf1225c76dfd06d2046492035 [INFO] running `Command { std: "docker" "start" "-a" "19e98cfdf54a626979899454d981709aab837bedf1225c76dfd06d2046492035", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking rusty-tensor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Tensor` is never constructed [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Tensor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `backward` are never used [INFO] [stdout] --> src/main.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Tensor { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 13 | fn new(data: ArrayD) -> Tensor { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn backward(&self, allow_fill: bool) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Function` is never constructed [INFO] [stdout] --> src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct Function { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FunctionTrait` is never used [INFO] [stdout] --> src/main.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | trait FunctionTrait { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `save_for_backward` are never used [INFO] [stdout] --> src/main.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 52 | impl Function { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 53 | fn new(parents: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn save_for_backward(&mut self, tensors: ArrayD) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `save_for_backward` is never used [INFO] [stdout] --> src/main.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 52 | impl Function { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | fn save_for_backward(&mut self, tensors: ArrayD) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s [INFO] running `Command { std: "docker" "inspect" "19e98cfdf54a626979899454d981709aab837bedf1225c76dfd06d2046492035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19e98cfdf54a626979899454d981709aab837bedf1225c76dfd06d2046492035", kill_on_drop: false }` [INFO] [stdout] 19e98cfdf54a626979899454d981709aab837bedf1225c76dfd06d2046492035