[INFO] cloning repository https://github.com/KPMGE/auto-grad-rs
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[INFO] [stdout] a9acb299e10f8d5b867e124de5d6051f48c5db96
[INFO] building KPMGE/auto-grad-rs against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKPMGE%2Fauto-grad-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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
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[INFO] validating manifest of git repo https://github.com/KPMGE/auto-grad-rs on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
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[INFO] [stdout] cf292919805b5ceaa822780094dac4236cbaba24b309694c6e24d8bc92750b1c
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[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
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[INFO] [stderr]    Compiling minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 42s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "cf292919805b5ceaa822780094dac4236cbaba24b309694c6e24d8bc92750b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf292919805b5ceaa822780094dac4236cbaba24b309694c6e24d8bc92750b1c", kill_on_drop: false }`
[INFO] [stdout] cf292919805b5ceaa822780094dac4236cbaba24b309694c6e24d8bc92750b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b81114508baeed4576ba907d3b1125f6677c644df41d2fcb929db82bb534a7
[INFO] running `Command { std: "docker" "start" "-a" "97b81114508baeed4576ba907d3b1125f6677c644df41d2fcb929db82bb534a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto-grad-rs v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "97b81114508baeed4576ba907d3b1125f6677c644df41d2fcb929db82bb534a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b81114508baeed4576ba907d3b1125f6677c644df41d2fcb929db82bb534a7", kill_on_drop: false }`
[INFO] [stdout] 97b81114508baeed4576ba907d3b1125f6677c644df41d2fcb929db82bb534a7