[INFO] cloning repository https://github.com/Trehinos/balanced-neuron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trehinos/balanced-neuron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrehinos%2Fbalanced-neuron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrehinos%2Fbalanced-neuron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19031668dd638684b8fa3698598df19bd96e52e2
[INFO] building Trehinos/balanced-neuron against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrehinos%2Fbalanced-neuron" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Trehinos/balanced-neuron
[INFO] finished tweaking git repo https://github.com/Trehinos/balanced-neuron
[INFO] tweaked toml for git repo https://github.com/Trehinos/balanced-neuron written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Trehinos/balanced-neuron on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Trehinos/balanced-neuron 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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] building Trehinos/balanced-neuron against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrehinos%2Fbalanced-neuron" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Trehinos/balanced-neuron
[INFO] finished tweaking git repo https://github.com/Trehinos/balanced-neuron
[INFO] tweaked toml for git repo https://github.com/Trehinos/balanced-neuron written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Trehinos/balanced-neuron on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Trehinos/balanced-neuron 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.39
[INFO] [stderr]   Downloaded balanced-ternary v1.1.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded zerocopy v0.8.21
[INFO] [stderr]   Downloaded balanced-direction v0.2.1
[INFO] [stderr]   Downloaded syn v2.0.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 882beb6700b5b087edc5f352e23e315fcd97aa8a79a9c6ae9f1818e8cb2119e0
[INFO] running `Command { std: "docker" "start" "-a" "882beb6700b5b087edc5f352e23e315fcd97aa8a79a9c6ae9f1818e8cb2119e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882beb6700b5b087edc5f352e23e315fcd97aa8a79a9c6ae9f1818e8cb2119e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882beb6700b5b087edc5f352e23e315fcd97aa8a79a9c6ae9f1818e8cb2119e0", kill_on_drop: false }`
[INFO] [stdout] 882beb6700b5b087edc5f352e23e315fcd97aa8a79a9c6ae9f1818e8cb2119e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a427ce4943294b5531622f4a97d85979435879154de58e8d3db51dade19fc212
[INFO] running `Command { std: "docker" "start" "-a" "a427ce4943294b5531622f4a97d85979435879154de58e8d3db51dade19fc212", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.21
[INFO] [stderr]    Compiling balanced-ternary v1.1.3
[INFO] [stderr]    Compiling balanced-direction v0.2.1
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling balanced-neuron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/layers.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let input = previous.forward(self.inputs[i]);
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "a427ce4943294b5531622f4a97d85979435879154de58e8d3db51dade19fc212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a427ce4943294b5531622f4a97d85979435879154de58e8d3db51dade19fc212", kill_on_drop: false }`
[INFO] [stdout] a427ce4943294b5531622f4a97d85979435879154de58e8d3db51dade19fc212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a32edf3368d48fba998bb9d81bb88d3da00472cc8b630626f38538dcea7d74a
[INFO] running `Command { std: "docker" "start" "-a" "2a32edf3368d48fba998bb9d81bb88d3da00472cc8b630626f38538dcea7d74a", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/layers.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let input = previous.forward(self.inputs[i]);
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling balanced-neuron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/layers.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let input = previous.forward(self.inputs[i]);
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "2a32edf3368d48fba998bb9d81bb88d3da00472cc8b630626f38538dcea7d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a32edf3368d48fba998bb9d81bb88d3da00472cc8b630626f38538dcea7d74a", kill_on_drop: false }`
[INFO] [stdout] 2a32edf3368d48fba998bb9d81bb88d3da00472cc8b630626f38538dcea7d74a