[INFO] cloning repository https://github.com/rakeshbs/rusty_nanograd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rakeshbs/rusty_nanograd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakeshbs%2Frusty_nanograd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakeshbs%2Frusty_nanograd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2fbba007bf00a82585dc18271d188ac4d9dd492 [INFO] building rakeshbs/rusty_nanograd 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%2Frakeshbs%2Frusty_nanograd" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rakeshbs/rusty_nanograd 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/rakeshbs/rusty_nanograd [INFO] finished tweaking git repo https://github.com/rakeshbs/rusty_nanograd [INFO] tweaked toml for git repo https://github.com/rakeshbs/rusty_nanograd written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rakeshbs/rusty_nanograd 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: unused manifest key: package.rand [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8fd578e693879fcfc942f06ba8950548b7f65264c158a101c830ff5b7e7f8adb [INFO] running `Command { std: "docker" "start" "-a" "8fd578e693879fcfc942f06ba8950548b7f65264c158a101c830ff5b7e7f8adb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fd578e693879fcfc942f06ba8950548b7f65264c158a101c830ff5b7e7f8adb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fd578e693879fcfc942f06ba8950548b7f65264c158a101c830ff5b7e7f8adb", kill_on_drop: false }` [INFO] [stdout] 8fd578e693879fcfc942f06ba8950548b7f65264c158a101c830ff5b7e7f8adb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9458c1c51c44b9d800ad0115fa5eb9b4794b34aa3b1efd9fa4bf32116041e756 [INFO] running `Command { std: "docker" "start" "-a" "9458c1c51c44b9d800ad0115fa5eb9b4794b34aa3b1efd9fa4bf32116041e756", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.rand [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rusty_nanograd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/node.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/tests.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | for i in 0..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neg` is never used [INFO] [stdout] --> src/node.rs:114:8 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn neg(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `exp` is never used [INFO] [stdout] --> src/node.rs:157:8 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn exp(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tanh` is never used [INFO] [stdout] --> src/node.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 170 | pub fn tanh(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `log2` is never used [INFO] [stdout] --> src/node.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 209 | pub fn log2(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `softmax` is never used [INFO] [stdout] --> src/node.rs:222:8 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn softmax(a: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "9458c1c51c44b9d800ad0115fa5eb9b4794b34aa3b1efd9fa4bf32116041e756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9458c1c51c44b9d800ad0115fa5eb9b4794b34aa3b1efd9fa4bf32116041e756", kill_on_drop: false }` [INFO] [stdout] 9458c1c51c44b9d800ad0115fa5eb9b4794b34aa3b1efd9fa4bf32116041e756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 499b060fe33fc3d59d8a9f2d69b99ef4238a8581fbc3f237589ecd577af046e1 [INFO] running `Command { std: "docker" "start" "-a" "499b060fe33fc3d59d8a9f2d69b99ef4238a8581fbc3f237589ecd577af046e1", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.rand [INFO] [stderr] Compiling rusty_nanograd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/node.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/tests.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | for i in 0..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neg` is never used [INFO] [stdout] --> src/node.rs:114:8 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn neg(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `exp` is never used [INFO] [stdout] --> src/node.rs:157:8 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn exp(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tanh` is never used [INFO] [stdout] --> src/node.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 170 | pub fn tanh(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `log2` is never used [INFO] [stdout] --> src/node.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 209 | pub fn log2(a: &NodeRef) -> NodeRef { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `softmax` is never used [INFO] [stdout] --> src/node.rs:222:8 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn softmax(a: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "499b060fe33fc3d59d8a9f2d69b99ef4238a8581fbc3f237589ecd577af046e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "499b060fe33fc3d59d8a9f2d69b99ef4238a8581fbc3f237589ecd577af046e1", kill_on_drop: false }` [INFO] [stdout] 499b060fe33fc3d59d8a9f2d69b99ef4238a8581fbc3f237589ecd577af046e1