[INFO] cloning repository https://github.com/KPMGE/auto-grad-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KPMGE/auto-grad-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKPMGE%2Fauto-grad-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKPMGE%2Fauto-grad-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9acb299e10f8d5b867e124de5d6051f48c5db96
[INFO] checking KPMGE/auto-grad-rs against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKPMGE%2Fauto-grad-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KPMGE/auto-grad-rs
[INFO] finished tweaking git repo https://github.com/KPMGE/auto-grad-rs
[INFO] tweaked toml for git repo https://github.com/KPMGE/auto-grad-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KPMGE/auto-grad-rs on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KPMGE/auto-grad-rs 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" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking KPMGE/auto-grad-rs against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKPMGE%2Fauto-grad-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KPMGE/auto-grad-rs
[INFO] finished tweaking git repo https://github.com/KPMGE/auto-grad-rs
[INFO] tweaked toml for git repo https://github.com/KPMGE/auto-grad-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KPMGE/auto-grad-rs on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KPMGE/auto-grad-rs 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" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.7.2
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[INFO] [stderr]   Downloaded rgb v0.8.51
[INFO] [stderr]   Downloaded plotlib v0.5.1
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[INFO] [stdout] fe72600b463ff39ce621eadae57e670b120cdabf296b222b4c5011a271111422
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a5b939f094f3d2f9690767c33a8216f304da18d85248651b6f34a1eeee3f9fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking arrayvec v0.7.6
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[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking weezl v0.1.10
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking equator v0.4.2
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[INFO] [stderr]     Checking auto-grad-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Cos` is never constructed
[INFO] [stdout]   --> src/functions/cos.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Cos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/functions/cos.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Cos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exp` is never constructed
[INFO] [stdout]   --> src/functions/exp.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Exp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/functions/exp.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Exp {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/functions/sigmoid.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Sigmoid {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/functions/sigmoid.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Sigmoid {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sigmoid` is never used
[INFO] [stdout]   --> src/functions/sigmoid.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Sigmoid {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 37 |     fn sigmoid(&self, val: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cos` is never constructed
[INFO] [stdout]   --> src/functions/cos.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Cos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/functions/cos.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Cos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exp` is never constructed
[INFO] [stdout]   --> src/functions/exp.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Exp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/functions/exp.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Exp {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/functions/sigmoid.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Sigmoid {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/functions/sigmoid.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Sigmoid {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sigmoid` is never used
[INFO] [stdout]   --> src/functions/sigmoid.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Sigmoid {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 37 |     fn sigmoid(&self, val: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a5b939f094f3d2f9690767c33a8216f304da18d85248651b6f34a1eeee3f9fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b939f094f3d2f9690767c33a8216f304da18d85248651b6f34a1eeee3f9fce", kill_on_drop: false }`
[INFO] [stdout] a5b939f094f3d2f9690767c33a8216f304da18d85248651b6f34a1eeee3f9fce