[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 against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtito%2Frusty-micrograd" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xtito/rusty-micrograd on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c38e5d0f2d8d992acb5b39b3614ba8f0a3806170032d2de160b2055bcd6cac
[INFO] running `Command { std: "docker" "start" "-a" "c6c38e5d0f2d8d992acb5b39b3614ba8f0a3806170032d2de160b2055bcd6cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c38e5d0f2d8d992acb5b39b3614ba8f0a3806170032d2de160b2055bcd6cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c38e5d0f2d8d992acb5b39b3614ba8f0a3806170032d2de160b2055bcd6cac", kill_on_drop: false }`
[INFO] [stdout] c6c38e5d0f2d8d992acb5b39b3614ba8f0a3806170032d2de160b2055bcd6cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b2f9a4ef9a74d4ba2513abb0c6022e3b31740cea3d6a24474fe70aff0af9b2a
[INFO] running `Command { std: "docker" "start" "-a" "2b2f9a4ef9a74d4ba2513abb0c6022e3b31740cea3d6a24474fe70aff0af9b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking simd-adler32 v0.3.7
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[INFO] [stderr]    Compiling cc v1.0.97
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[INFO] [stderr]     Checking jpeg-decoder v0.3.1
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[INFO] [stderr]    Compiling font-kit v0.11.0
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[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
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[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
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[INFO] [stderr]     Checking rand_core v0.6.4
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[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "2b2f9a4ef9a74d4ba2513abb0c6022e3b31740cea3d6a24474fe70aff0af9b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2f9a4ef9a74d4ba2513abb0c6022e3b31740cea3d6a24474fe70aff0af9b2a", kill_on_drop: false }`
[INFO] [stdout] 2b2f9a4ef9a74d4ba2513abb0c6022e3b31740cea3d6a24474fe70aff0af9b2a
