[INFO] cloning repository https://github.com/0xtito/rusty-micrograd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xtito/rusty-micrograd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtito%2Frusty-micrograd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtito%2Frusty-micrograd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a03d8e274b1b1b122c131c376220ecc85a70cb38
[INFO] checking 0xtito/rusty-micrograd/a03d8e274b1b1b122c131c376220ecc85a70cb38 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtito%2Frusty-micrograd" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xtito/rusty-micrograd on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xtito/rusty-micrograd
[INFO] finished tweaking git repo https://github.com/0xtito/rusty-micrograd
[INFO] tweaked toml for git repo https://github.com/0xtito/rusty-micrograd written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0xtito/rusty-micrograd 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3be218a0d015572b534e57e0637c8f9fa99450ff11f1028c5bbb7587cc0b9699
[INFO] running `Command { std: "docker" "start" "-a" "3be218a0d015572b534e57e0637c8f9fa99450ff11f1028c5bbb7587cc0b9699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3be218a0d015572b534e57e0637c8f9fa99450ff11f1028c5bbb7587cc0b9699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be218a0d015572b534e57e0637c8f9fa99450ff11f1028c5bbb7587cc0b9699", kill_on_drop: false }`
[INFO] [stdout] 3be218a0d015572b534e57e0637c8f9fa99450ff11f1028c5bbb7587cc0b9699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba99202a892872ee94732cab7dafc517143040476ce8f9368e1814788a87ff2
[INFO] running `Command { std: "docker" "start" "-a" "7ba99202a892872ee94732cab7dafc517143040476ce8f9368e1814788a87ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bytemuck v1.15.0
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[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking rawpointer v0.2.1
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[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]    Compiling pathfinder_simd v0.5.3
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
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[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking image v0.24.9
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[INFO] [stderr]     Checking freetype v0.7.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rusty-micrograd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/neuron.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Neuron {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn from(nin: i32) -> Neuron {
[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] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/neuron.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Neuron {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn from(nin: i32) -> Neuron {
[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 13.25s
[INFO] running `Command { std: "docker" "inspect" "7ba99202a892872ee94732cab7dafc517143040476ce8f9368e1814788a87ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba99202a892872ee94732cab7dafc517143040476ce8f9368e1814788a87ff2", kill_on_drop: false }`
[INFO] [stdout] 7ba99202a892872ee94732cab7dafc517143040476ce8f9368e1814788a87ff2