[INFO] cloning repository https://github.com/cc-aegis/sandrone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cc-aegis/sandrone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc-aegis%2Fsandrone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc-aegis%2Fsandrone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ee852a39450de9c7d0c2c3ec2ee708651019095
[INFO] checking cc-aegis/sandrone against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc-aegis%2Fsandrone" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cc-aegis/sandrone
[INFO] finished tweaking git repo https://github.com/cc-aegis/sandrone
[INFO] tweaked toml for git repo https://github.com/cc-aegis/sandrone written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cc-aegis/sandrone on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cc-aegis/sandrone 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60f53c07a13fe6a5a4044f53fd835705e3f00de86644541326e401759b4b7959
[INFO] running `Command { std: "docker" "start" "-a" "60f53c07a13fe6a5a4044f53fd835705e3f00de86644541326e401759b4b7959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f53c07a13fe6a5a4044f53fd835705e3f00de86644541326e401759b4b7959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f53c07a13fe6a5a4044f53fd835705e3f00de86644541326e401759b4b7959", kill_on_drop: false }`
[INFO] [stdout] 60f53c07a13fe6a5a4044f53fd835705e3f00de86644541326e401759b4b7959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1dff61db65195651293f0de11f95bbe0ad7ca2887e9526637ce56ea7b699041
[INFO] running `Command { std: "docker" "start" "-a" "e1dff61db65195651293f0de11f95bbe0ad7ca2887e9526637ce56ea7b699041", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking sandrone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fast_sigmoid` and `linear`
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::activation_functions::{fast_sigmoid, relu, linear};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngExt`
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::RngExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/model.rs:83:63
[INFO] [stdout]    |
[INFO] [stdout] 83 |             result.input_biases[rand::random_range(range)] += (random() - 0.5);
[INFO] [stdout]    |                                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -             result.input_biases[rand::random_range(range)] += (random() - 0.5);
[INFO] [stdout] 83 +             result.input_biases[rand::random_range(range)] += random() - 0.5 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/model.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 neuron.1 += (random() - 0.5);
[INFO] [stdout]    |                             ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                 neuron.1 += (random() - 0.5);
[INFO] [stdout] 91 +                 neuron.1 += random() - 0.5 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/model.rs:93:38
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 neuron.0[synapse] += (random() - 0.5);
[INFO] [stdout]    |                                      ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -                 neuron.0[synapse] += (random() - 0.5);
[INFO] [stdout] 93 +                 neuron.0[synapse] += random() - 0.5 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fast_sigmoid` and `linear`
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::activation_functions::{fast_sigmoid, relu, linear};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngExt`
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::RngExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/model.rs:83:63
[INFO] [stdout]    |
[INFO] [stdout] 83 |             result.input_biases[rand::random_range(range)] += (random() - 0.5);
[INFO] [stdout]    |                                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -             result.input_biases[rand::random_range(range)] += (random() - 0.5);
[INFO] [stdout] 83 +             result.input_biases[rand::random_range(range)] += random() - 0.5 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/model.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 neuron.1 += (random() - 0.5);
[INFO] [stdout]    |                             ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -                 neuron.1 += (random() - 0.5);
[INFO] [stdout] 91 +                 neuron.1 += random() - 0.5 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/model.rs:93:38
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 neuron.0[synapse] += (random() - 0.5);
[INFO] [stdout]    |                                      ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -                 neuron.0[synapse] += (random() - 0.5);
[INFO] [stdout] 93 +                 neuron.0[synapse] += random() - 0.5 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_sigmoid` is never used
[INFO] [stdout]  --> src/activation_functions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn fast_sigmoid(x: f16) -> f16 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear` is never used
[INFO] [stdout]   --> src/activation_functions.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn linear(x: f16) -> f16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_sigmoid` is never used
[INFO] [stdout]  --> src/activation_functions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn fast_sigmoid(x: f16) -> f16 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear` is never used
[INFO] [stdout]   --> src/activation_functions.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn linear(x: f16) -> f16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "e1dff61db65195651293f0de11f95bbe0ad7ca2887e9526637ce56ea7b699041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dff61db65195651293f0de11f95bbe0ad7ca2887e9526637ce56ea7b699041", kill_on_drop: false }`
[INFO] [stdout] e1dff61db65195651293f0de11f95bbe0ad7ca2887e9526637ce56ea7b699041
