[INFO] cloning repository https://github.com/Adamwewe/RustyGrad [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adamwewe/RustyGrad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamwewe%2FRustyGrad", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamwewe%2FRustyGrad'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f038d0b57c9859134c41ea786fe3a9d228ee850b [INFO] checking Adamwewe/RustyGrad/f038d0b57c9859134c41ea786fe3a9d228ee850b against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamwewe%2FRustyGrad" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Adamwewe/RustyGrad [INFO] finished tweaking git repo https://github.com/Adamwewe/RustyGrad [INFO] tweaked toml for git repo https://github.com/Adamwewe/RustyGrad written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Adamwewe/RustyGrad on toolchain 4455c8937007f3cc3c078375a335d86dbab391ce [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Adamwewe/RustyGrad 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" "+4455c8937007f3cc3c078375a335d86dbab391ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding equivalent v1.0.2 [INFO] [stderr] Adding fixedbitset v0.4.2 [INFO] [stderr] Adding hashbrown v0.15.4 [INFO] [stderr] Adding indexmap v2.9.0 [INFO] [stderr] Adding petgraph v0.6.5 (available: v0.8.2) [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff99a01b91c48d0fa89ee891c9c6ba56d560b7ab13e68f98ff04dca6a7385aef [INFO] running `Command { std: "docker" "start" "-a" "ff99a01b91c48d0fa89ee891c9c6ba56d560b7ab13e68f98ff04dca6a7385aef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff99a01b91c48d0fa89ee891c9c6ba56d560b7ab13e68f98ff04dca6a7385aef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff99a01b91c48d0fa89ee891c9c6ba56d560b7ab13e68f98ff04dca6a7385aef", kill_on_drop: false }` [INFO] [stdout] ff99a01b91c48d0fa89ee891c9c6ba56d560b7ab13e68f98ff04dca6a7385aef [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" "-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" "+4455c8937007f3cc3c078375a335d86dbab391ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77686d6f376f06be7da1d5c0fb44bbf9dd401bbaaf30e9b25efeb7d828c107df [INFO] running `Command { std: "docker" "start" "-a" "77686d6f376f06be7da1d5c0fb44bbf9dd401bbaaf30e9b25efeb7d828c107df", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking petgraph v0.6.5 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking rusty_grad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::convert::Into` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::Into` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:228:30 [INFO] [stdout] | [INFO] [stdout] 228 | let bytes = unsafe { std::mem::transmute::(bits) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this with: `u64::to_ne_bytes(bits)` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:228:30 [INFO] [stdout] | [INFO] [stdout] 228 | let bytes = unsafe { std::mem::transmute::(bits) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this with: `u64::to_ne_bytes(bits)` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::Into` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::Into` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::Into; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let mut f = (|| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:228:30 [INFO] [stdout] | [INFO] [stdout] 228 | let bytes = unsafe { std::mem::transmute::(bits) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this with: `u64::to_ne_bytes(bits)` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:228:30 [INFO] [stdout] | [INFO] [stdout] 228 | let bytes = unsafe { std::mem::transmute::(bits) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this with: `u64::to_ne_bytes(bits)` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut variable : Value = Value::new(32.0, "a".into(), Some(1.0)); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut variable : Value = Value::new(32.0, "a".into(), Some(1.0)); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut variable : Value = Value::new(32.0, "a".into(), Some(1.0)); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `grader` and `tanh` are never used [INFO] [stdout] --> src/lib.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn grader(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn tanh(&mut self) -> Self [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut variable : Value = Value::new(32.0, "a".into(), Some(1.0)); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `grader` and `tanh` are never used [INFO] [stdout] --> src/lib.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn grader(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn tanh(&mut self) -> Self [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.96s [INFO] running `Command { std: "docker" "inspect" "77686d6f376f06be7da1d5c0fb44bbf9dd401bbaaf30e9b25efeb7d828c107df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77686d6f376f06be7da1d5c0fb44bbf9dd401bbaaf30e9b25efeb7d828c107df", kill_on_drop: false }` [INFO] [stdout] 77686d6f376f06be7da1d5c0fb44bbf9dd401bbaaf30e9b25efeb7d828c107df